Devel blog

If you hit this error at the beginning of 2020 most probably you do have dependency in your chart that points to deprecated repo. You must updated URI in charts.yaml (or requirements.yaml) Name Old Location New Location stable https://kubernetes-charts.storage.googleapis.com https://charts.helm.sh/stable incubator https://kubernetes-charts-incubator.storage.googleapis.com https://charts.helm.sh/incubator Reference: https://helm.sh/blog/new-location-stable-incubator-charts/

Most of the time you do not want to simply force deletion of given namespace. If there are some resources hanging you do want to clean them up first. Especially if you share your cluster with other teams. Why? Imagine you will force delete your namespace (meaning someone else will be able to create namespace […]

After bumping to latest docker (19.03.12) or minikube (0.12.1) you might quickly realise that you cannot push images from under maven build lifecycle. This is because docker guys bumped go lang dependency which by default is using TLS 1.3 Either add -Djdk.tls.client.protocols=TLSv1.2 to your java / maven command line or update your java to the […]

This will start series of blog posts about cost savings on Amazon. There are many typical mistakes that everyone is making, quick wins action that you can take to save some costs both for big scale and small scale deployments. When you migrate to the cloud most probably you will be using Ec2 and RDS […]

Due to some reason I had to go with 48 kernel and not 4.4 default one. After some time I realized that my virtualbox is no longer working… This is one of nice things with Ubuntu.. It works all together flawlessly until you start messing with it (for instance when you need latest software and […]

Just do: sudo wget -O /etc/yum.repos.d/jenkins.repo http://pkg.jenkins-ci.org/redhat/jenkins.repo sudo rpm –import http://pkg.jenkins-ci.org/redhat/jenkins-ci.org.key sudo yum install jenkins

Peace of simple  functionality I’ve been lacking for some time in dolphin was “send to ” option which would create an email with attached file(s). I have no idea why it does not exists “out of box” but there is quite simple way of adding this. This descriptions applies to KDE4. /usr/share/kde4/services/ServiceMenus contains list of […]

Error obviously suggests problem with library versions. Generally first step  to solve this is to find out in what version of library below method is used, what version we  are using (jar may be provided by your application, by application server or sometimes in java libs folder). java.lang.NoSuchMethodError: javax.servlet.jsp.tagext.TagAttributeInfo.(Ljava/lang/String;ZLjava/lang/String;ZZ)V  org.apache.jasper.compiler.TagLibraryInfoImpl.createAttribute (TagLibraryInfoImpl.java:577) Most often conflict is […]

Have you read news that gentoo developers have sent you? eselect news read 2009-04-06-x_server-1_5 xorg-server 1.5 now have option to use hal to configure devices (in future xorg.conf will be not needed atall) and by default looks for configuration options for devices in /etc/hal/ You can: 1. Disable new feature be adding Option “AutoAddDevices” “false” […]