Nexus repo validates Docker images on production.cloudflare.docker.com
In Nexus logs I find a lot of calls to production.cloudflare.docker.com:2018-11-05 14:13:43,416+0100 DEBUG [qtp72695066-56] ADV org.sonatype.nexus.httpclient.outbound -...
View ArticleDocker broken after upgrade
sudo systemctl start dockerJob for docker.service failed because the control process exited with error code. See "systemctl status docker.service" and "journalctl -xe" for details.sudo journalctl...
View ArticleCleaning up old releases in Nexus 2 and 3
In Nexus 2 there is the task "remove releases from repository", where you can further refine the scope by specifying a "repository target" (=a filter).... problem is, the only option you have is the...
View ArticleSwagger getting started
At first I tried to go to http://editor.swagger.io/ , generate the Maven project to generate a RestEasy-EAP server, build and deploy to Wildfly 12. There I got this error:ERROR...
View Articlejcmd GC.heap_dump File exists
The instructions here https://docs.oracle.com/javase/8/docs/technotes/guides/troubleshoot/tooldescr006.html say:Create a heap dump (hprof dump)jcmd GC.heap_dump filename=MyheapdumpThis is wrong. First,...
View Articleapache httpd on centos
sudo yum install httpd mod_sslsystemctl status httpdsystemctl start httpdJob for httpd.service failed because the control process exited with error code. See "systemctl status httpd.service" and...
View ArticleWELD is a holy piece of crap
All of a sudden I get this, and the HTML page is basically blank2019-01-14 16:21:54,369 WARN [org.jboss.weld.Servlet] (http-/127.0.0.1:8180-1) WELD-000714 HttpContextLifecycle guard leak detected. The...
View ArticleInstalling spring boot CLI and spring cloud on centos
wget http://repo.spring.io/release/org/springframework/boot/spring-boot-cli/2.1.2.RELEASE/spring-boot-cli-2.1.2.RELEASE-bin.zipunzip spring-boot-cli-2.1.2.RELEASE-bin.zipvi .bash_profileexport...
View ArticleVirtualBox and Hyper-V on Windows 10 PRO
I have recently installed Windows PRO. During installation of Hyper-V, it duly warns you that you will no longer be able to use VirtualBox. Which is true, because when I start a VM in VirtualBOx I get...
View ArticleRunning Centos on Windows
once you have upgraded to Windows PRO, you can install https://docs.docker.com/docker-for-windows/install/ Docker for WindowsThen open your Git Bash shell and run:winpty docker run --name centos -i -t...
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Minikube on Centos
I want to have a "mini" version of Kubernetes on my Centos laptop.I would prefer not to install an Hypervisor, since k8s can use "--vm-driver=none"...but I give it a try to install VirtualBox...
View ArticleJenkinsX and GKE on Centos
Install JX:https://gist.github.com/vfarcic/8cef206b4df0b1bbec3060d1d45c2a80mkdir -p ~/.jx/bincurl -L https://github.com/jenkins-x/jx/releases/download/v1.3.634/jx-linux-amd64.tar.gz \ | tar xzv -C...
View Articleaz CLI for Azure Kubernetes Services (AKS)
https://docs.microsoft.com/en-us/cli/azure/install-azure-cli-windows?view=azure-cli-latestI am installing AZ on Windows. At the end of installation, I reboot (maybe not needed...)az login -> this...
View ArticleViktor Farcic and Jenkins-X
https://leanpub.com/the-devops-2-6-toolkitThe ebook is available to read for free - the first 60 pages.
View ArticleCKA Certification (Kubernetes Administrator)
https://github.com/cncf/curriculum/blob/master/CKA_Curriculum_V1.12.0.pdf here the topics to be coveredI would start by reading the official doc https://kubernetes.io/docs/concepts/Kubernetes Master :...
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Hands On Full Stack Development with Spring Boot 2.0 and React by Juha Hinkula
you are warned: "incula" is a terrible word in Italian, so if you talk about this book with Italians you should be very...
View ArticleExcellent Kubernetes Developer Certification training on Udemy
https://www.udemy.com/certified-kubernetes-application-developer for only 11 USD !Mumshad Mannambeth is a fantastic trainer, focusing on concepts but analyzing every detail in a very visual manner.
View ArticleKubernetes cheat sheets
https://kubernetes.io/docs/reference/kubectl/cheatsheet/alias k=kubectlPODShttps://kubernetes.io/docs/concepts/workloads/pods/pod-overview/kubectl run nginx --image=nginxkubectl create -f...
View ArticleKubernetes cheat sheet 2
Namespaceskubectl get pods --namespace=devkubectl get pods --namespace=defaultkubectl config set-context $(kubectl config current-context) --namespace=devConfigMapkubectl create configmap myconfigmap...
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