DevOps CoE Best practices
DevOps Center of Exelence (CoE) is a new trend in team work when DevOps team is no longer concentrated on the single project. It is more a service team insid...
Recent Posts
Parrallel stages in Jenkins Groovy pipeline
Parrallel stages in Jenkins Groovy pipeline
Jenkins auth over AWS Cognito
Jenkins auth over AWS Cognito
Copy the Jenkins job
Copy the Jenkins job
Install Nginx from the source code
There are many casess when we need to compile the the sofware from the source code. Nginx is a briliant case when the can’t enable geoip module or mod_securi...
Get Inique IP addresses from Apache access.log
The following can be used to fetch the unique records from apache access.log. This example covers IP addresses of the clients but this example can be used to...
Configure RabbitMQ failover cluster
RabbitMQ is a universal bus to be used to exchange messages between the applications. There are other solutions like Kafka, AWS SQS, Google Pubsub, etc. If y...
Error not a TTY on docker exec in ansible
One of the ansible playbooks that I was refactoring recently had a multiple shell steps with docker exec in them. After updating to the latest docker the pla...
Vagrant authorization issue when executing kitchen create in Chef
Chef can fail with the following error running kitchen create command if you have Vagrant 1.8.5:
Change default umask for files in custom folder
Umask in Linux is a pattern of permissions for created files. Typically specified globally in /etc/profile or on a per-user basis in .bashrc files in the hom...
Problems with re-login into Jenkins
Today I ran into a problem with re-login in Jenkins. After the session was broken as a result of restarting the Tomcat daemon, I was asked to log in with a n...
Sudo without password in linux to run a single command
Suppose we needed to allow one user on the system to execute an application that requires sudo without entering a password. In order to do this you need to ...
Setup Unison in CentOS 7
Unison is one of the utilities that is used to replicate files between servers. A big advantage of Unison is its support for master-master replication.
Add new php-handler in Plesk
List php modes form command line:
Synchronizing Files Between Two Windows Servers
Usually people use robocopy to synchronize files between Windows servers. In principle robocopy handles this task just fine, but only as long as your servers...