The general purpose T instance types are a good starting point. But depending on the CPU utilization of your workload...
When you are using PgBouncer with e.g. a Ruby on Rails application which uses different application_names for the PostgreSQL...
You can use pg_repack to do a VACUUM FULL without holding an exclusive lock during processing. There is still...
Creating Nagios Config with puppet Let's have a look at the classic way of managing Nagios configuration with exported...
For some reason you have to pass the password hash if you want to create a role in postgres. To...
Legt man im DNS beispielsweise einen CNAME-Eintrag an, sollte das Ziel am Ende einen Punkt haben, also z.b. d31337.cloudfront.net...
It's not possible to change the bwlimit of Proxmox storages via the Web-UI (at least in Proxmox 7...
Attention This is an edge-case. You probably don't want to mix different database dumps. It also requires that...
It is possible to manipulate the forwarded ports of an established interactive SSH session. This is done by opening the...
A lot of web applications require being called over https, which is a good thing. It's possible to configure...
When a nginx reverse proxy complains about upstreams sending too big headers, tweaking the buffers responsibly can help to prevent...
To delete a specific redis-DB you need to use the FLUSHDB-command in combination with the SELECT-command. For...
We had a strange behaviour on one of our mariadb-servers: Everyday at around midnight we saw that the root...
When changing glibc versions, it's possible to end up with corrupt indexes in PostgreSQL. Are My Indexes Affected?
When changing the glibc version, it's possible that the upgrade also includes changes to how locales work.
You might use screen or tmux to run a temporary command on a server which continues to run after the...
The owner of a scheduled CI/CD pipeline in GitLab will always be notified if the pipeline fails. Follow these steps...
If your postgres database is only accessible from inside a kubernetes cluster, e.g. if it's configured in AWS RDS...
Here's a one-liner to view base64 encoded secrets in kubernetes. Make sure you have jq installed.
Instead of using Puppet exported resources you can use the puppetdb_query feature. This can result in more complex code...
If you're using many terraform root modules in a repository, downloading common providers like the AWS one can quickly...
We have observed Lenovo laptops with nvidia graphics losing performance after they have been in use for a few minutes...
If you have a very large datadir in MariaDB and you want to transfer the data to another host (e.g...
If you're about to handle X509 certificates and don't want to remember/google a handful of openssl commands you...