Adam Bien memorable quote about maintainability
https://youtu.be/O1VTx0psUgo?t=569For me how I see the JAX-RS movement is the followingno one cares of my clients about JAX-RS Rest or whatever.What we would to have is to build the application quickly...
View Articlekeycloak wikipedia
As usual, the fascist side of Wikipedia attracts swarms of wikilosers, in search of a victim to club down to death.My article on Keycloak has been marked for deletion, so I am saving it here for the...
View ArticleGreat OpenShift presentation : OpenShift 3 Walkthrough
Here the code https://github.com/gshipley/openshift3mlbparksIn case you want to take the DO280 certification.... https://www.redhat.com/en/services/training/do280-red-hat-openshift-administration-iI...
View ArticleExcellent Docker presentation by Preethi Kasireddy
https://medium.freecodecamp.org/a-beginner-friendly-introduction-to-containers-vms-and-docker-79a9e3e119bWhere you learn:- difference between a Container and a VM- what is an Hypervisor (hosted or...
View ArticleOpenshift REST Client API written in Java
https://github.com/openshift/openshift-restclient-java/immensely more usable than the CLI...I ask myself who wants to learn by heart the hyper-complicated Openshift command line interface, when you can...
View Articleoc cluster up : how to enable admin privileges
Once you install OpenShift with "oc cluster up", you are confronted with a frustrating situation: you are told to login asoc login -u system -p adminto be a cluster administrator, but in reality you...
View Articlequick nfs mount on CentOS
#find your ipifconfig#create folder to sharesudo mkdir -p /drbd/main/shared #who cares about securitysudo chmod -R 777 /drbd/#create folder where local files should appearmkdir -p...
View ArticleGetting started with Ansible in Docker
Since OpenShift uses Ansible, and also since I hate Puppet, I love Python, Ansible is based on Python and I always wanted to learn a Provisioning tool other from Puppet to prove that Puppet folks are...
View Articlesystemd
Really interesting reading https://en.wikipedia.org/wiki/SystemdFor instance, I didn't know that systemd has PID = 1ps -ef | grep systemdroot 1 0 0 Dec16 ? 00:10:38 /usr/lib/systemd/systemd...
View Articledocker create vs docker run
This exercise takes a base image jboss/wildfly, spins a container, add a ping.war in the deployments folder and commits a new image named wildflywithping. You can easily reproduce yourself, all you...
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docker insecure registry
I have been tortured for a long time by this:sudo oc cluster up[sudo] password for centos: Starting OpenShift using openshift/origin:v3.7.0 ...-- Checking OpenShift client ... OK-- Checking Docker...
View Articleetcd
What is etcd ? https://en.wikipedia.org/wiki/Container_Linux_by_CoreOS#ETCDWho is CoreOS ? https://en.wikipedia.org/wiki/Container_Linux_by_CoreOS#CoreOS and https://coreos.com/sudo yum install...
View Articleinstall kubectl and gcloud on CentOS
curl -LO https://storage.googleapis.com/kubernetes-release/release/$(curl -s https://storage.googleapis.com/kubernetes-release/release/stable.txt)/bin/linux/amd64/kubectlchmod +x ./kubectlsudo mv...
View ArticleOpenshift "Could not resolve host: github.com; Unknown error"
if you get the error"Could not resolve host: github.com; Unknown error"when building your POD, the solution is simply:sudo oc cluster downsudo iptables -Fsudo oc cluster...
View Articlemaven wildfly archetype push to github
To get started with a basic webapp for wildfly:mvn archetype:generate -DarchetypeArtifactId=wildfly-javaee7-webapp-archetype -DarchetypeGroupId=org.wildfly.archetype...
View ArticleRules to make good training material
In the last 10 months I have been stuffing myself night and days, weekend and holidays, with training. Most of that training was decent, some excellent, some really appalling. What makes a material...
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Happy 2018 to everyone!
This year will be an extraordinary year of further devastation of this planet, more fires and floods, more US military expansion and control, more lies and propaganda, more military spending, more...
View ArticleLinux misc (iptables, dig, rpm)
echo $LANGen_US.UTF-8CTRL-SHIFT-U allows you to enter the 4 letters for a Unicode character (eg 03bb is greek lambda)localectl System Locale: LANG=en_US.UTF-8 VC Keymap: it X11 Layout: it,us X11...
View ArticleGnome hotcorner: most annoying unwanted feature ever
I have moved away from Windows because I was really fed up with Microsoft. Installed Centos with Gnome. To discover that Gnome is even worse!If by mistake you put the mouse on the screen border, all...
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