Create gitlab container expiry config in every repo in a group
The link contains a simple shell script to push a cleanup policy Show archive.org snapshot for gitlab repositories in a group.
Please mind that this will overwrite the configuration for all the repositories with the given settings.
Related cards:
FAQ for When PostgreSQL Indexes Are Corrupted After Locale Changes
When changing glibc versions, it's possible to end up with corrupt indexes in PostgreSQL.
Are My Indexes Affected?
If your database has...
HowTo: Clone and refresh all repos in a GitLab Group
If the project you're working on has, say, 39 repositories and counting in GitLab and you need all the repos checked out for some reason, here's how to do it.
Checking out all repos
- Create a personal access token for GitLab that has the `A...
HowTo apply Test Driven Development to Container Images
Apply Test Driven Development(TDD) to the process of building container images by defining test before writing code and automate the testing process. Iterate through the TDD cycle while developing and running the tests later in continuous integrat...
Keepalived VRRP FAQ
How can I configure virtual IP's?
There are two parameter to set up virtual ips in Keepalived:
virtual_ipaddress
Addresses defined here are included into the VRRP Packages and are therefore limited in number, especially with IPv6.
Add...
Installing throttled to fix Lenovo laptops with nvidia graphics running Ubuntu losing performance after a while
We have observed Lenovo laptops with nvidia graphics losing performance after they have been in use for a few minutes. While we have not been able to pinpoint exactly what triggered the performance loss, we have found it mostly correlated with hig...
HowTo: enable termination protection for all EC2 instances not in autoscaling groups via aws cli
aws ec2 describe-instances --output text --query 'Reservations[].Instances[?!not_null(Tags[?Key == `aws:autoscaling:groupName`].Value)] | [].[InstanceId]' | xargs -L1 -t aws ec2 modify-instance-attribute --disable-api-termination --instance-id...
How to Protect container images with production tag from ECR lifecycle rules
If you want to automatically delete old container images from your Elastic Container Registry, the solution is a quite simple ECR Lifecycle Rule that deletes images e.g. 7 days after they have been pushed to the registry.
If you however want to _...
HowTo Generate Nagios Config with puppet fast
Creating Nagios Config with puppet
Let's have a look at the classic way of managing Nagios configuration with exported Puppet resources.
Here is [a good article about the topic](https://www.ericholzbach.net/blog/automating-nagios-with-puppet-a...
Useful PostgreSQL commands
on the bash (issued as postgres user)
Start/Stop/Restart PostgreSQL
pg_ctl -D $configdir start|stop|restart
Start/Stop/Restart the corresponding PostgreSQL using the given configuration directory. The configuration directory sh...
Elasticsearch unassigned replica shards on single node instances
If you have a single node elasticsearch instance and indices with replicas enabled your cluster state will be yellow. If you have replica shards they should be moved to a different node for high availability purposes. With a single node this can't...
