https://alexander.holbreich.org/ Recent content on Alexander Holbreich Hugo -- 0.126.2 en-us Sat, 08 Feb 2025 00:00:00 +0000 https://alexander.holbreich.org/adr_method/ Sat, 08 Feb 2025 00:00:00 +0000 https://alexander.holbreich.org/adr_method/ Architecture Decision Records (ADRs) are lightweight documents that capture architectural decisions along with their context and consequences, fostering transparency and continuity within agile teams. This article explores the origins of ADRs, their practical implementation, and real-world examples, highlighting how they enhance decision acceptance by involving engineers directly impacted by the outcomes. By combining ADRs with the Advice Process, organizations can achieve decentralized, collaborative decision-making, effectively leveraging collective expertise while maintaining architectural integrity. https://alexander.holbreich.org/composable-architecture/ Mon, 27 May 2024 00:00:00 +0000 https://alexander.holbreich.org/composable-architecture/ Composable Architecture, DXP, Headless, API First. Exploration of modern understanding. https://alexander.holbreich.org/t520/ Wed, 23 Aug 2023 00:00:00 +0000 https://alexander.holbreich.org/t520/ Laptop details https://alexander.holbreich.org/hardware/ Fri, 20 Jan 2023 00:00:00 +0000 https://alexander.holbreich.org/hardware/ Git: very needed commands, configs and Q&A https://alexander.holbreich.org/fedora-upgrades/ Sat, 08 Oct 2022 00:00:00 +0000 https://alexander.holbreich.org/fedora-upgrades/ Fedora Feature Log and Upgrade commands https://alexander.holbreich.org/jdk21-virtual-threads/ Tue, 04 Oct 2022 00:00:00 +0000 https://alexander.holbreich.org/jdk21-virtual-threads/ An introduction to JDK 21 virtual threads and practicals examples https://alexander.holbreich.org/hardware/ Thu, 20 Jan 2022 00:00:00 +0000 https://alexander.holbreich.org/hardware/ Hardware log https://alexander.holbreich.org/gitops-journey/ Tue, 08 Jun 2021 00:00:00 +0000 https://alexander.holbreich.org/gitops-journey/ Description of a typical journey towards the GitOps with Flux https://alexander.holbreich.org/2020-2029/ Sun, 18 Apr 2021 00:00:00 +0000 https://alexander.holbreich.org/2020-2029/ Blog chronicle from 2020 to the future https://alexander.holbreich.org/2010-2019/ Sat, 17 Apr 2021 00:00:00 +0000 https://alexander.holbreich.org/2010-2019/ Blog and my Life chronicle from 2010 to 2019 https://alexander.holbreich.org/2007-2009/ Fri, 16 Apr 2021 00:00:00 +0000 https://alexander.holbreich.org/2007-2009/ Blog and my Life chronicle from 2007 to 2009 https://alexander.holbreich.org/hugo/ Fri, 02 Apr 2021 00:00:00 +0000 https://alexander.holbreich.org/hugo/ How I switched from Ghost Blog to Hugo and how you can do it too. https://alexander.holbreich.org/eks-on-aws-with-terraform/ Mon, 02 Nov 2020 00:00:00 +0000 https://alexander.holbreich.org/eks-on-aws-with-terraform/ How to set up AWS EKS Kubernetes cluster with Terraform, by DevOps expert https://alexander.holbreich.org/kube-state-metrics-1-8-0-all-metrics-docu/ Tue, 05 May 2020 00:00:00 +0000 https://alexander.holbreich.org/kube-state-metrics-1-8-0-all-metrics-docu/ Listing of Kube-state-metrics with comments. For kube-state-metrics 1.8.0 https://alexander.holbreich.org/upgrading-fedora/ Mon, 04 May 2020 00:00:00 +0000 https://alexander.holbreich.org/upgrading-fedora/ Fedora Linux upgrading guide: Step by Step https://alexander.holbreich.org/filebeat-kubernetes/ Sun, 26 Apr 2020 00:00:00 +0000 https://alexander.holbreich.org/filebeat-kubernetes/ Setup of Filebeat on a Kubernetes cluster for logs scraping https://alexander.holbreich.org/logstash-kubernetes/ Sat, 25 Apr 2020 00:00:00 +0000 https://alexander.holbreich.org/logstash-kubernetes/ Setuping Logstash on a Kubernetes cluster - The L in the ELK stack https://alexander.holbreich.org/open-distro-for-elasticsearch/ Wed, 22 Apr 2020 00:00:00 +0000 https://alexander.holbreich.org/open-distro-for-elasticsearch/ Elasticsearch Open Distro on AWS vs Elasticsearch from Elastic https://alexander.holbreich.org/2019-terraforming-aws/ Tue, 04 Jun 2019 00:00:00 +0000 https://alexander.holbreich.org/2019-terraforming-aws/ Terraforming of the AWS: Getting started set up AWS cloud Resource with terraform https://alexander.holbreich.org/systemd-services/ Mon, 28 May 2018 00:00:00 +0000 https://alexander.holbreich.org/systemd-services/ Listing and details to services in Linux Systemd https://alexander.holbreich.org/docker-components-explained/ Fri, 27 Apr 2018 00:00:00 +0000 https://alexander.holbreich.org/docker-components-explained/ Docker components explained: DockerD, Containerd, runC, containerd-ctr, containerd-shim https://alexander.holbreich.org/elasticsearch-indices/ Wed, 22 Nov 2017 00:00:00 +0000 https://alexander.holbreich.org/elasticsearch-indices/ Elasticsearch: Explaining clustering and indices https://alexander.holbreich.org/elasticsearch-datastructures/ Mon, 20 Nov 2017 00:00:00 +0000 https://alexander.holbreich.org/elasticsearch-datastructures/ Review of the Elasticsearch’s internal data structures. A tutorial https://alexander.holbreich.org/elasticsearch-configuration/ Fri, 17 Nov 2017 00:00:00 +0000 https://alexander.holbreich.org/elasticsearch-configuration/ Elasticsearch cluster configuration: Best practices https://alexander.holbreich.org/kubernetes-on-ubuntu/ Mon, 28 Aug 2017 00:00:00 +0000 https://alexander.holbreich.org/kubernetes-on-ubuntu/ Installing Kubernetes on Ubuntu Linux: Set by Step Guide for entry level https://alexander.holbreich.org/thoughts-on-elasticsearch/ Fri, 18 Aug 2017 00:00:00 +0000 https://alexander.holbreich.org/thoughts-on-elasticsearch/ Elasticsearch introduction and review https://alexander.holbreich.org/jenkins-in-2017/ Fri, 14 Jul 2017 00:00:00 +0000 https://alexander.holbreich.org/jenkins-in-2017/ Jenkins installation and configuration with Docker https://alexander.holbreich.org/debian-to-stretch/ Mon, 19 Jun 2017 00:00:00 +0000 https://alexander.holbreich.org/debian-to-stretch/ Upgrading debian Jessie to Stretch: Best practices https://alexander.holbreich.org/docker-moby/ Sat, 20 May 2017 00:00:00 +0000 https://alexander.holbreich.org/docker-moby/ What is Docker and what is Docker Moby https://alexander.holbreich.org/terraform-google-cloud/ Tue, 02 May 2017 00:00:00 +0000 https://alexander.holbreich.org/terraform-google-cloud/ How to setup cloud resources in the Google Cloud with terraform https://alexander.holbreich.org/terraforming-aws-notes/ Fri, 28 Apr 2017 00:00:00 +0000 https://alexander.holbreich.org/terraforming-aws-notes/ Terraforming of the AWS cloud: Side notes https://alexander.holbreich.org/aws-automation/ Mon, 03 Apr 2017 00:00:00 +0000 https://alexander.holbreich.org/aws-automation/ Review of AWS Cloud automation tools: Terraform, Ansible & Cloudformation https://alexander.holbreich.org/serverless-manifesto/ Fri, 10 Feb 2017 00:00:00 +0000 https://alexander.holbreich.org/serverless-manifesto/ The Serverless Compute Manifesto: The Details https://alexander.holbreich.org/kube-aws/ Thu, 17 Nov 2016 00:00:00 +0000 https://alexander.holbreich.org/kube-aws/ Kubernetes installation with CoreOS Nodes on the AWS Cloud https://alexander.holbreich.org/container-management-list/ Thu, 20 Oct 2016 00:00:00 +0000 https://alexander.holbreich.org/container-management-list/ List of Container Management Systems in 2016 https://alexander.holbreich.org/aws-for-docker-containers-first-impressions/ Wed, 05 Oct 2016 00:00:00 +0000 https://alexander.holbreich.org/aws-for-docker-containers-first-impressions/ A Review of AWS for Docker containers in 2016. https://alexander.holbreich.org/jwt/ Thu, 29 Sep 2016 00:00:00 +0000 https://alexander.holbreich.org/jwt/ Introduction to JSON Web Tokens. Suitable for Beginners with java examples https://alexander.holbreich.org/modularity-agile/ Sun, 25 Sep 2016 00:00:00 +0000 https://alexander.holbreich.org/modularity-agile/ Article exploring the concept of modularity in software system design and shows how it enable your organisation to be more agile https://alexander.holbreich.org/public-ansible-role/ Mon, 12 Sep 2016 00:00:00 +0000 https://alexander.holbreich.org/public-ansible-role/ Writing own Ansible role for maven https://alexander.holbreich.org/go-lang-start/ Thu, 23 Jun 2016 00:00:00 +0000 https://alexander.holbreich.org/go-lang-start/ Golang. How to start guide for beginner https://alexander.holbreich.org/ansible/ Thu, 21 Apr 2016 00:00:00 +0000 https://alexander.holbreich.org/ansible/ Introduction to Ansible DevOps tool https://alexander.holbreich.org/message-authentication/ Tue, 29 Mar 2016 00:00:00 +0000 https://alexander.holbreich.org/message-authentication/ Cryptographic Message Authentication explained in details. Suitable for Beginners with Java examples https://alexander.holbreich.org/symmetric-key-cryptography/ Thu, 17 Mar 2016 00:00:00 +0000 https://alexander.holbreich.org/symmetric-key-cryptography/ Symmetric Cryptography explained in details. Suitable for Beginners with code examples https://alexander.holbreich.org/cryptographic-hash-functions/ Wed, 16 Mar 2016 00:00:00 +0000 https://alexander.holbreich.org/cryptographic-hash-functions/ Introduction to Cryptographic Hash Functions. Suitable for Beginners. Examples included https://alexander.holbreich.org/cryptography-basics/ Wed, 16 Mar 2016 00:00:00 +0000 https://alexander.holbreich.org/cryptography-basics/ Cryptography basics explain. Good Read for beginners https://alexander.holbreich.org/angularjs_start/ Wed, 06 Jan 2016 00:00:00 +0000 https://alexander.holbreich.org/angularjs_start/ Introduction to Angular 2.0 a Javascript, TypeScript Web Framework https://alexander.holbreich.org/hello-ghost/ Sat, 19 Dec 2015 00:00:00 +0000 https://alexander.holbreich.org/hello-ghost/ How I switched off Wordpress and migrated my Blog to Ghost Platform https://alexander.holbreich.org/docker-ghost-image/ Thu, 17 Dec 2015 00:00:00 +0000 https://alexander.holbreich.org/docker-ghost-image/ Use my Docker image for Ghost Blog or create your own https://alexander.holbreich.org/package-manager-vs-docker/ Sat, 05 Sep 2015 00:00:00 +0000 https://alexander.holbreich.org/package-manager-vs-docker/ Software delivery via Docker containers is much better than with your OS package managers https://alexander.holbreich.org/updating-debian-wheezy-to-jessie/ Mon, 27 Apr 2015 00:00:00 +0000 https://alexander.holbreich.org/updating-debian-wheezy-to-jessie/ Set by Step Tutorial: Upgrading Debian Linux wheezy to jessie https://alexander.holbreich.org/google-cloud-sql/ Mon, 23 Mar 2015 00:00:00 +0000 https://alexander.holbreich.org/google-cloud-sql/ Google Cloud SQL: A Review in 2015 and then review of later improvements https://alexander.holbreich.org/docker-exec/ Thu, 16 Oct 2014 00:00:00 +0000 https://alexander.holbreich.org/docker-exec/ How to enter Docker container with “docker exec” https://alexander.holbreich.org/systemd-on-debian-what-do-you-think/ Mon, 06 Oct 2014 00:00:00 +0000 https://alexander.holbreich.org/systemd-on-debian-what-do-you-think/ Systemd comes to Debian Linux. The Discussion. https://alexander.holbreich.org/moving-docker-images-different-partition/ Mon, 14 Jul 2014 00:00:00 +0000 https://alexander.holbreich.org/moving-docker-images-different-partition/ Moving docker images location to different partition https://alexander.holbreich.org/my-trusted-docker-images/ Thu, 24 Apr 2014 00:00:00 +0000 https://alexander.holbreich.org/my-trusted-docker-images/ Creating own trusted Docker images and uploading to Docker hub https://alexander.holbreich.org/docker-on-google-computer-engine/ Tue, 22 Apr 2014 00:00:00 +0000 https://alexander.holbreich.org/docker-on-google-computer-engine/ Tutorial: Docker on the Google Computer Engine (GCP) https://alexander.holbreich.org/switching-from-livefyre-to-disqus/ Mon, 14 Apr 2014 00:00:00 +0000 https://alexander.holbreich.org/switching-from-livefyre-to-disqus/ Why i switched from Livefyre to DISQUS comments https://alexander.holbreich.org/start-using-docker/ Wed, 29 Jan 2014 00:00:00 +0000 https://alexander.holbreich.org/start-using-docker/ Introduction to Docker and plea why you should use it right now https://alexander.holbreich.org/cassandra-data-model/ Tue, 05 Nov 2013 00:00:00 +0000 https://alexander.holbreich.org/cassandra-data-model/ Introduction to the data model of Apache Cassandra NoSQL database https://alexander.holbreich.org/installing-apache-cassandra/ Thu, 17 Oct 2013 00:00:00 +0000 https://alexander.holbreich.org/installing-apache-cassandra/ Installing and configuring Apache Cassandra https://alexander.holbreich.org/local-network-for-virtual-machines/ Sun, 28 Jul 2013 00:00:00 +0000 https://alexander.holbreich.org/local-network-for-virtual-machines/ Local Network for local virtual machines: Ready to use bash script https://alexander.holbreich.org/debian-aptitude-recipes/ Mon, 17 Jun 2013 00:00:00 +0000 https://alexander.holbreich.org/debian-aptitude-recipes/ Introduction to Debian aptitude https://alexander.holbreich.org/qemu-kvm-introduction/ Fri, 01 Mar 2013 00:00:00 +0000 https://alexander.holbreich.org/qemu-kvm-introduction/ Introduction to QEMU and Kernel-based Virtual Machine (KVM) https://alexander.holbreich.org/jee-ejb-fail/ Fri, 02 Nov 2012 00:00:00 +0000 https://alexander.holbreich.org/jee-ejb-fail/ JEE EJB: Why EJB was not goog idea and failed https://alexander.holbreich.org/sonatype-nexus-setup/ Fri, 12 Oct 2012 00:00:00 +0000 https://alexander.holbreich.org/sonatype-nexus-setup/ Installation and Configuration of Sonatype Nexus - artefact repository https://alexander.holbreich.org/maven-concepts/ Mon, 08 Oct 2012 00:00:00 +0000 https://alexander.holbreich.org/maven-concepts/ Introduction to Maven Basic concepts https://alexander.holbreich.org/maven-installation/ Wed, 26 Sep 2012 00:00:00 +0000 https://alexander.holbreich.org/maven-installation/ Apache Maven Installation step by step tutorial https://alexander.holbreich.org/ivefyre-3-52/ Fri, 14 Sep 2012 00:00:00 +0000 https://alexander.holbreich.org/ivefyre-3-52/ Result of Upgrading to Livefyre 3.52 https://alexander.holbreich.org/livefyre/ Tue, 11 Sep 2012 00:00:00 +0000 https://alexander.holbreich.org/livefyre/ Switching commenting system to Livefyre https://alexander.holbreich.org/apache-camel/ Mon, 10 Sep 2012 00:00:00 +0000 https://alexander.holbreich.org/apache-camel/ Introduction to Apache Camel https://alexander.holbreich.org/osgi_ds/ Wed, 05 Sep 2012 00:00:00 +0000 https://alexander.holbreich.org/osgi_ds/ Understanding of OSGi and OSGi Bundles and Declarative Services https://alexander.holbreich.org/jdk-console-tools/ Thu, 02 Aug 2012 00:00:00 +0000 https://alexander.holbreich.org/jdk-console-tools/ Overview on Oracle jdk console tools https://alexander.holbreich.org/release-your-entities/ Wed, 22 Feb 2012 00:00:00 +0000 https://alexander.holbreich.org/release-your-entities/ How to repair architecture bug when JPA entities are leaking to Frontend https://alexander.holbreich.org/samba-configuration/ Sun, 12 Feb 2012 00:00:00 +0000 https://alexander.holbreich.org/samba-configuration/ Linux Samba Service configuration to be used by Windows clients https://alexander.holbreich.org/eclipse-tycho-build/ Wed, 01 Feb 2012 00:00:00 +0000 https://alexander.holbreich.org/eclipse-tycho-build/ Building Eclipse Rich Client Application automatically (Tycho) https://alexander.holbreich.org/packing-tar-gzip-bzip2-zip/ Sat, 31 Dec 2011 00:00:00 +0000 https://alexander.holbreich.org/packing-tar-gzip-bzip2-zip/ Linux: Packing with tar gzip, bzip2 and zip... https://alexander.holbreich.org/jboss-7-setup-linux/ Thu, 10 Nov 2011 00:00:00 +0000 https://alexander.holbreich.org/jboss-7-setup-linux/ Setup of JBoss 7 on debian linux. Step by step tutorial https://alexander.holbreich.org/java-7-on-debian/ Wed, 09 Nov 2011 00:00:00 +0000 https://alexander.holbreich.org/java-7-on-debian/ Installing Oracle Java 7 on Debian https://alexander.holbreich.org/favorite-eclipse-uml-plugin/ Sun, 21 Aug 2011 00:00:00 +0000 https://alexander.holbreich.org/favorite-eclipse-uml-plugin/ What is your favorite Free or Open-Source UML Plug-in? Every year I try some of them and remove them after few hours. As I remember, they were resource-hungry or just bad in reverse engineering Some weeks ago i tried ObjectAid UML Explorer Class Diagram and liked it. It could quickly and easily create simple class Diagrams - just by Drag & Drop. And I had no problems with static constructors or inner classes and other stuff in the code which causes problems to other Plug-ins. https://alexander.holbreich.org/bootcharting/ Sun, 10 Jul 2011 00:00:00 +0000 https://alexander.holbreich.org/bootcharting/ The chart shows how the Ubuntu boot process is going on my 5 years old Thinkpad T60. Bootchart utility does such charts automatically. If you are interesting in how easy it is to enable such bootcharting read below. Installing bootchart You need bootchart and pybootchartgui apt-get install bootchart apt-get install pybootchartgui That will automatically add bootchart logger to your grub configuration. Restart your machine and look for an image file in /var/log/bootchart directory. https://alexander.holbreich.org/git/ Sat, 26 Feb 2011 00:00:00 +0000 https://alexander.holbreich.org/git/ Introduction to and the Configuration of Git https://alexander.holbreich.org/javaee5-vs-javaee6/ Sat, 29 Jan 2011 00:00:00 +0000 https://alexander.holbreich.org/javaee5-vs-javaee6/ Java EE 5 vs Java EE 6 https://alexander.holbreich.org/subversion-on-debian-linux/ Sun, 28 Nov 2010 00:00:00 +0000 https://alexander.holbreich.org/subversion-on-debian-linux/ Configuring Subversion on Debian Linux: Step by Step https://alexander.holbreich.org/lsof/ Thu, 25 Nov 2010 00:00:00 +0000 https://alexander.holbreich.org/lsof/ As you might already know many interesting Linux resources are modeled as files. File define a simple and well understood interface for linux tools. In this article an would like to highlight a very useful Linux tool utilizes exactly this, a lsof (aka “list open files”) command. To describe lsof in one sentence. Actually it shows all files used by some processes of a system, but it’s more interesting as it might sound. https://alexander.holbreich.org/102-posts/ Tue, 23 Nov 2010 00:00:00 +0000 https://alexander.holbreich.org/102-posts/ I noticed that my last post was a 101 post on this blog which is a good occasion to do some self-evaluation. I started to write here in January 2007 it’s nearly 4 years ago. You see I’m not a very productive blogger. Nevertheless, I wrote some interesting things which have attracted some people or comments. I’ve learned pretty much and I tried different themes. I think in the future I will write more and more technical stuff. https://alexander.holbreich.org/ubuntu-vs-windows-xp/ Sat, 20 Nov 2010 00:00:00 +0000 https://alexander.holbreich.org/ubuntu-vs-windows-xp/ Comparing startup time of Ubuntu vs. Windows XP on my Thinkpad https://alexander.holbreich.org/java-webservices-jsrs-overview/ Wed, 20 Oct 2010 00:00:00 +0000 https://alexander.holbreich.org/java-webservices-jsrs-overview/ Java WebServices: an JSR overview https://alexander.holbreich.org/use-jira/ Tue, 25 May 2010 00:00:00 +0000 https://alexander.holbreich.org/use-jira/ Probably most of modern IT-related people know Atlassian JIRA - issue and project tracking system. Maybe many of you know other popular tracking system like Bugzilla, GNATS, and many many others. Personally, I like JIRA last but not least because I worked many years with it and I’m impressed with a simplicity of the workflows it offers. However, this is not one post that should bring JIRA near to you. But if you know that you need it, now is best time to get it, because Atlassian started their “Get Started” Price, which now allows you to by full functional JIRA for only 10$ for ever - even with one year support. https://alexander.holbreich.org/the-queen-and-11-presidents/ Sun, 07 Mar 2010 00:00:00 +0000 https://alexander.holbreich.org/the-queen-and-11-presidents/ Queen Elizabeth II head of the Commonwealth and daughter of George VI. She was born on 21 April 1926 and have seen lot of politics and historical acts in her life, because now she is 84! As her father dies in 1952, she become the Queen regnant an met 11 Presidents of United States till now: https://alexander.holbreich.org/exim-mail-google/ Sun, 14 Feb 2010 00:00:00 +0000 https://alexander.holbreich.org/exim-mail-google/ How to send E-Mails with Exim installed on Linux: Google account example https://alexander.holbreich.org/ssh-tunnel-without-password/ Mon, 08 Feb 2010 00:00:00 +0000 https://alexander.holbreich.org/ssh-tunnel-without-password/ How to do SSH tunnels https://alexander.holbreich.org/java-jboss-debian-linux/ Fri, 29 Jan 2010 00:00:00 +0000 https://alexander.holbreich.org/java-jboss-debian-linux/ Installing and configuring JBoss 5 GA on Debian linux https://alexander.holbreich.org/software-raid-debian/ Mon, 11 Jan 2010 00:00:00 +0000 https://alexander.holbreich.org/software-raid-debian/ Configuring software RAID on Linux: Step by Step https://alexander.holbreich.org/tar-gzip/ Sun, 01 Feb 2009 00:00:00 +0000 https://alexander.holbreich.org/tar-gzip/ Unpacking under Linux with tar, gzip, bzip2, z and more https://alexander.holbreich.org/how-to-duplicate-magento-installation/ Thu, 29 Jan 2009 00:00:00 +0000 https://alexander.holbreich.org/how-to-duplicate-magento-installation/ In this article I explain how to create a copy of the running Magento online shop system. One of the purposes of having duplicates is e.g. the need of the separation of the developing an test environment. Tests are very important. Especially in Magento ;) Many people do official Magento upgrades on productive environments and suffer from it. You don’t need to do so, use always test environment first! So the copy process of Magento shop has following main steps https://alexander.holbreich.org/my-pagerank/ Wed, 14 Jan 2009 00:00:00 +0000 https://alexander.holbreich.org/my-pagerank/ My google page-rank is back today. Some days ago I moved that blog to the new domain (alexander.holbreich.org). I’ve placed a .htaccess redirect Rewrite Rule ^(.*)$ http://alexander.holbreich.org/$1 [R=301,L] to the old domain to preserve some humble SEO result of this page. But for some weeks new Blog had no page-rank. Now he is here and the effect of Permanent redirect on google is proved! https://alexander.holbreich.org/folder-monitr-a-flickr-upload-tool/ Sat, 10 Jan 2009 00:00:00 +0000 https://alexander.holbreich.org/folder-monitr-a-flickr-upload-tool/ Folder Monitr allows automatically upload of Pictures to the Flickr. This tool is very useful to me because it can work automatically in the background and therefore reduce one manual step in my picture processing. So basically i can now use only Lightroom end export my developed pictures to the “watched” folder and they will automatically upload to flickr in the background. All tags are taken and even Set can be specified by subfoldering, which is also cool. https://alexander.holbreich.org/solved-magento-hy000-problem/ Sun, 04 Jan 2009 00:00:00 +0000 https://alexander.holbreich.org/solved-magento-hy000-problem/ How to fix Magento Error - 'SQLSTATE[HY000]: General error' https://alexander.holbreich.org/wpopularity-progress/ Sun, 20 Jul 2008 00:00:00 +0000 https://alexander.holbreich.org/wpopularity-progress/ Hello friends, I’m pleasure to report progress in development of wPopularity plug-in. Yesterday I took some time just for me and wPopularity. After hours of bootstrap debugging (change, ftp upload, look ofr changes) of wPopularity I finally understood why activation problems occurred. Also I refactored the plugin. But i’m still not at the and. The next released version is at least 1.0.0. I do not plan to test it on Wordpress version below 2. https://alexander.holbreich.org/malware-notification/ Sat, 26 Apr 2008 00:00:00 +0000 https://alexander.holbreich.org/malware-notification/ At first, it is a quite bad feeling. All pages of holbreich.de1 flow out of google index :(. According to Murphy’s Law that happened when I was at some seminar and therefore had not time for my personal page. Google is kindly enough and tries to contact you in such case, when they about to throw your site out of the index because your site is malware infected. In such one unlucky case you get the Malware Notification. https://alexander.holbreich.org/magento-09/ Sun, 30 Mar 2008 00:00:00 +0000 https://alexander.holbreich.org/magento-09/ What to expect from Magento release 0.9.... https://alexander.holbreich.org/in-the-meantime/ Wed, 19 Mar 2008 00:00:00 +0000 https://alexander.holbreich.org/in-the-meantime/ My last post is nearly ten days ago - unforgivable ;) Unfortunately, I have had no time or better say I had few time, much small things to do and no motivation. Yesterday I had my birthday and thank goodness, that has marked some turning point in me. So today I was more productive and a little motivated, I’ve even begun write this article down. And I’m more confident about today and the weekend. https://alexander.holbreich.org/digg-effect/ Mon, 10 Mar 2008 00:00:00 +0000 https://alexander.holbreich.org/digg-effect/ SEO Question: DIGG Effect is worth it? https://alexander.holbreich.org/factors-of-success-in-social-news-communities/ Thu, 06 Mar 2008 00:00:00 +0000 https://alexander.holbreich.org/factors-of-success-in-social-news-communities/ Initially, I just wanted to report about some experience on Crowd news platform - DIGG, but then i noticed that I try to cover at least two different topics in one post, so I decided to split. In that article, I will cover key factors of success on news-driven social communities like well-known DIGG and will cover my first serious steps with DIGG in the next article. Currently, I’m the number 49 of top users of the Russian DIGG sister RDS1, therefore I think to have some experience and some kind of instinctive feeling for mechanisms in such communities. https://alexander.holbreich.org/yahoo-buzz/ Tue, 26 Feb 2008 00:00:00 +0000 https://alexander.holbreich.org/yahoo-buzz/ Yahoo Buzz is launched. This should be probably the Yahoo’s answer to Digg. Let’s prove this theory. At first look on Yahoo Buzz we see several categories of news and voting buttons aside of them with the ability to voting up. Digg principle so far. The difference of the new Yahoo service is that Yahoo Buzz seemed to be intended to work closely with Yahoo’s already existing news providers and services. https://alexander.holbreich.org/w-popularity-plug-in/ Sat, 16 Feb 2008 00:00:00 +0000 https://alexander.holbreich.org/w-popularity-plug-in/ New Wordpress plug-in is born. I’ve created a new branch from the latest version of famous Popularity Contest Plugin. While the Popularity Contest Plugin does not support widgets natively, you need to code your templates to show most popular list of post on the Sidebar. My Widgetized Popularity Contest Plugin - short W-Popularity solves that, by providing dynamically widget for it. Here are the features of the first public version of my W-Popularity Plugin: https://alexander.holbreich.org/mark-meta-widget-with-nofollow/ Fri, 15 Feb 2008 00:00:00 +0000 https://alexander.holbreich.org/mark-meta-widget-with-nofollow/ Due SEO considerations it is not recommended (e.g. by Matt Cutts) to spend precious page rank on links like log-in, register forms, rss pages and other meta stuff. One should mark them as nofollow and that is one example where nofollow attribute can be turned in something useful. Nearly every Wordpress blog would have something like Meta section in the sidebar, every link there should be marked as nofollow. Unfortunately they are not coded in one widget, they are distributed over two files in the standard wordpress installation. https://alexander.holbreich.org/headspace-meta-information-plug-in/ Thu, 14 Feb 2008 00:00:00 +0000 https://alexander.holbreich.org/headspace-meta-information-plug-in/ If you keep on blogging you sure want that people read it. In that case early or later you will be interested in SEO basics. Site Meta-information One of the important aspects of is properly made page for the search engine optimization point of view. I don’t want to cover all these points in this article, if interested, you can read Wordpress SEO - The Beginners Guide by Joost de Valk, which is good introduction in the theme. https://alexander.holbreich.org/wordpress-233-fixes-xml-rpc-bug/ Tue, 05 Feb 2008 00:00:00 +0000 https://alexander.holbreich.org/wordpress-233-fixes-xml-rpc-bug/ Please upgrade your Wordpress blog as sun as possible to the released version 2.3.3, because there are security reasons for it. Further check the content of your posts in the code perspective, because maybe it was changed by some intruders, which have possibly used XML-RCP Bug in the Wordpress version 2.3.2. … A flaw was found in our XML-RPC implementation such that a specially crafted request would allow any valid user to edit posts of any other user on that blog. https://alexander.holbreich.org/category-vs-tag/ Sat, 02 Feb 2008 00:00:00 +0000 https://alexander.holbreich.org/category-vs-tag/ SEO discussion: Category vs Tag https://alexander.holbreich.org/pligg-990-test/ Fri, 01 Feb 2008 00:00:00 +0000 https://alexander.holbreich.org/pligg-990-test/ Pligg developers have released version 9.9.0 of Pligg CMS quite months ago. Now a had time to test it. In comparison to my last pligg installation of pligg 9.8.2 this version is more stable. It does not broke pages with PHP errors in the browser on every second click and you get good feeling navigating through it. But some bugs are still there. Some links still does not work (without reporting PHP exception to the user), e. https://alexander.holbreich.org/subdomains-vs-subdirectories/ Thu, 24 Jan 2008 00:00:00 +0000 https://alexander.holbreich.org/subdomains-vs-subdirectories/ SEO Debate: Subdomains vs. Subdirectories https://alexander.holbreich.org/yahoo-shortcuts-plug-in-deletes-posts/ Wed, 23 Jan 2008 00:00:00 +0000 https://alexander.holbreich.org/yahoo-shortcuts-plug-in-deletes-posts/ You can imagine how angry i’m now!!! I just deactivated this peace o shit (excuse me, but there is no other name for that Yahoo Shortcut Plug-In) i the second. Cause that Plug-in deletes my whole article as I clicked on the button to check the Shortcuts. :( And this is happened to me on the same article two times today! I don’t have any backup for that, cause i write my articles on the browser and it worked fantastic so far. https://alexander.holbreich.org/polyglot/ Tue, 08 Jan 2008 08:08:09 +0100 https://alexander.holbreich.org/polyglot/ ‘Polyglot’ is next Wordpress plug-in I want to tell you about. You maybe already has notice this flags at the post caption. As you may think this is translation of this post. Such translations are possible with polyglot Plug-in. The Plug-In homepage has an installation instruction, read it before begin with installations. Actual you need to copy polyglot to your Wordpress installation and then put something like this <?php if(functionexists('polyglotother_langs')) { //display existing language versions of the post polyglot_other_langs(' ','<ul>', '</ul>', '<li>', '</li>'); }? https://alexander.holbreich.org/my-top-10-wordpress-plug-ins-i-wont-miss/ Thu, 27 Dec 2007 00:00:00 +0000 https://alexander.holbreich.org/my-top-10-wordpress-plug-ins-i-wont-miss/ Here is the list of Wordpress plug-ins, that i personally don’t wanna miss ony every Wordpress installation. My Top 10 Wordpress Plug-Ins Askimet DoFollow GoogleAnalytics GoogleXMLSitemaps Instant Upgrade Simple Database Backup Simple Trackback Validation Similar Posts 404-Notifier Share-This-Classic or similar Social book-marker Details Askimet should be nothing new for every blogger. DoFollow. I see often that bloggers are to lazy with “nofollow” problem. “nofollow” attributes should be used wisely Read why. https://alexander.holbreich.org/update-your-wordpress-with-one-click/ Sun, 23 Dec 2007 00:00:00 +0000 https://alexander.holbreich.org/update-your-wordpress-with-one-click/ How many lifetime people spend to administrate their software. Upgrading, updating, patches, bug-fixes etc. Also in case of Wordpress new versions arrive pretty often, and it’s recommended to upgrade, because several security relevant fixes or some very cool features you was long time waiting for, might be included in next release. I’m not kidding with security after my wordpress was hacked But updating Wordpress means download, backup, copy files per FTP, creating an moving of backups. https://alexander.holbreich.org/pligg-982/ Sat, 15 Dec 2007 00:00:00 +0000 https://alexander.holbreich.org/pligg-982/ Pligg engine stands behind of many “public voting” - social web 2.0 sites. Most prominent of such is digg.com (it’s not pligg based i guess). Today I tried out the pligg 9.8.2 beta engine, which is the current released version at the moment. I’m impressed with pligg functions, and configuration possibilities, so I think I can use pligg in my future pet projects. But I’m not impressed with the quality of the current version. https://alexander.holbreich.org/magento/ Sun, 09 Dec 2007 00:00:00 +0000 https://alexander.holbreich.org/magento/ Magento: Introduction to new eCommerce shop https://alexander.holbreich.org/good-php-online-shop-for-money/ Tue, 13 Nov 2007 00:00:00 +0000 https://alexander.holbreich.org/good-php-online-shop-for-money/ It is nearly impossible to compare the advantages and disadvantages of online shop systems because they are complex systems with a variety of functions, that build for different needs. I’m talking about such a system for small and micro-businesses, where processes can be built around the functionality of such systems to some degree. So this post can be only my personal impression of a system that I compared so far. https://alexander.holbreich.org/will-new-java-browser-plug-in-make-java-applets-sexy-again/ Thu, 01 Nov 2007 00:00:00 +0000 https://alexander.holbreich.org/will-new-java-browser-plug-in-make-java-applets-sexy-again/ Everybody knows the drawbacks of Java Applets. Long loading times, browser freezing, and stability problems. That fact does not make java applet popular1. Most of those problems lie in the quality of the java browser plug-in itself, which was not really good and was not improved over a longer time. Sun has ground up rewritten the browser java Plug-in. Following was done in this rebuild. Improved scripting support (So javascript integration is better) Improved reliability Supports more powerful applets (applets can ask for more memory) Better windows vista support (signed applets) Enterprise features (run one applet in a particular JRE version) The last point sounds very interesting to me. https://alexander.holbreich.org/semantic-spam-attack/ Wed, 24 Oct 2007 00:00:00 +0000 https://alexander.holbreich.org/semantic-spam-attack/ Today i notice five new comments on my blog that passed spam-filter and waited for approving. They all seemed to be OK. Example is: Yes we all know about that, but you published this on 2005, now it became very famous, moreover it very difficult to handle , all keys are very different so new people couldn’t work properly, its takes too much of time to take download, xp speed is better than vista in pc but in mac vista is best it works nice and speed too, every operation will done easily. https://alexander.holbreich.org/curiosity-how-ide-features-affects-design-quality/ Mon, 27 Aug 2007 00:00:00 +0000 https://alexander.holbreich.org/curiosity-how-ide-features-affects-design-quality/ Don’t believe that? Than listen to the story… Occupational i deal with people who works with already aged version WSAD IDE (Rational Application Developer for Web Sphere). I think they use version 5 which is based on eclipse platform in version 2.0 or 2.1 where code folding was not supported. Code folding feature of eclipse based IDE allows you to clap currently not interesting code fragments like methods, constructors or import statements just in place in your current editor window. https://alexander.holbreich.org/dont-let-triggers-take-control/ Sat, 11 Aug 2007 10:08:09 +0100 https://alexander.holbreich.org/dont-let-triggers-take-control/ Architectural advice: Don't let trigger take control https://alexander.holbreich.org/i-was-hacked-thank-open-source/ Fri, 13 Jul 2007 10:08:09 +0100 https://alexander.holbreich.org/i-was-hacked-thank-open-source/ Maybe you notice the downtime of this site last days. Unfortunately it was hacked by someone for unknown purpose. The attacker used some exploit in Wordpress or some plug in or maybe the problem in k2 wordpress theme. Some malfunction of these open source components was used out, so that attacker have added lines like echo passthru($_GET[1]); to some of php files. That gives them access to shell of my user account on this server. https://alexander.holbreich.org/html5-differences/ Sat, 16 Jun 2007 10:08:09 +0100 https://alexander.holbreich.org/html5-differences/ New Elements in the new HTML 5 standard https://alexander.holbreich.org/home-page-v30/ Sat, 16 Jun 2007 08:08:09 +0100 https://alexander.holbreich.org/home-page-v30/ Now i’ve changed my homepage ultimately! From now on, my main content is blog content and all other things will be arranged around it. I’ve made some permanent redirection (301) rewriting rules so Google crawlers and browsers should not have problems to deal with changes. But i’m not sure about your feed readers. In any case every content from old path http://alexander.holbreich.org/blog/ was moved and redirected to http://alexander.holbreich.org/ including rss feeds. https://alexander.holbreich.org/master-of-business-information-technology-soon/ Mon, 19 Mar 2007 22:01:09 +0100 https://alexander.holbreich.org/master-of-business-information-technology-soon/ Master of Business Information Technology https://alexander.holbreich.org/nofollow-considered-harmful/ Sat, 03 Feb 2007 21:09:09 +0100 https://alexander.holbreich.org/nofollow-considered-harmful/ “nofollow” Background The rel="nofollow" html attribute was initially proposed by google and was supported by MSN and Yahoo! The intention was to stem spam-links, that can largely occur in some webpages, especially blog comments. The famous blog engines founded that idea very cool and most of them are setting the nofollow attribute out of the box. WordPress does it by default too. But like many of good-mentioned ideas can lead to some not wanted problems. https://alexander.holbreich.org/jim-gray-is-lost-at-sea/ Tue, 30 Jan 2007 22:00:09 +0100 https://alexander.holbreich.org/jim-gray-is-lost-at-sea/ Every computer science (Informatics) Student, who came across transactions should be heard of Jim Gray. Also know for his book “Transaction Processing. Concepts and Techniques” that his wrote with Andreas Reuter. If i’m not mistaken he was curating science work of Sergey Brin (Google Founder) and Werner Vogels (CTO, VC at Amazon) Now its been reported that Jim Gray is missing at sea :( Update: Having been missing for five years as of May 16, 2012, Gray is legally assumed to have died at sea. https://alexander.holbreich.org/aptana-ide/ Sat, 27 Jan 2007 00:00:00 +0000 https://alexander.holbreich.org/aptana-ide/ Introduction to Aptana IDE https://alexander.holbreich.org/first-look-at-java-persistence-api/ Sat, 13 Jan 2007 21:09:09 +0100 https://alexander.holbreich.org/first-look-at-java-persistence-api/ First Look at Java Persistence API (JPA) https://alexander.holbreich.org/hello-world/ Sat, 06 Jan 2007 21:10:10 +0100 https://alexander.holbreich.org/hello-world/ Welcome to the first entry on this personal blog https://alexander.holbreich.org/random/home-pc/ Mon, 01 Jan 0001 00:00:00 +0000 https://alexander.holbreich.org/random/home-pc/ systemd-analyze Startup finished in 8.937s (firmware) + 3.231s (loader) + 1.137s (kernel) + 3.320s (initrd) + 7.747s (userspace) = 24.374s graphical.target reached after 7.728s in userspace. Startup finished in 8.939s (firmware) + 5.345s (loader) + 1.114s (kernel) + 3.221s (initrd) + 7.804s (userspace) = 26.426s graphical.target reached after 7.780s in userspace. Startup finished in 8.935s (firmware) + 1.424s (loader) + 1.104s (kernel) + 3.274s (initrd) + 7.913s (userspace) = 22.652s graphical. https://alexander.holbreich.org/home/ Mon, 01 Jan 0001 00:00:00 +0000 https://alexander.holbreich.org/home/