It happens from time to time that a job in a GitLab pipeline fails. Sometimes, however, the error message is...
Intel CPUs receive updates, including security relevant upgrades, through 2 channels: Firmware/UEFI BIOS updates can also update the microcode in...
journalctl _CMDLINE=dockerd podman journalctl SYSLOG_IDENTIFIER=podman identifying potential filter fields journalctl -o verbose journalctl -o json | jq
When a nginx reverse proxy complains about upstreams sending too big headers, tweaking the buffers responsibly can help to prevent...
If you have for e.g. a Java application which outputs multiline stack traces inside a container running in kubernetes you...
We had a strange behaviour on one of our mariadb-servers: Everyday at around midnight we saw that the root...
You might use screen or tmux to run a temporary command on a server which continues to run after the...
If you get e.g. this error message when you try to run puppet agent: Error: Failed to apply catalog: undefined...
If freshclam updates are failing even though the update servers are available and you find error messages like the following...
If one etcd node is no longer a member of the remaining etcd cluster or fails to connect you need...
Hint This applies only to distributions based on Debian. Requirement You need to setup the PostgreSQL Apt Repository first.
on the bash (issued as postgres user) Start/Stop/Restart PostgreSQL pg_ctl -D $configdir start|stop|restart Start/Stop/Restart the corresponding PostgreSQL...
This is a way to run multiple redis server on one ubuntu server. These steps you have to do only...
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When things go wrong, for example, caused by a bad commit, we need to revert back to an earlier known...
Rails wraps your parameters into an interface called StrongParameters. In most cases, your form submits your data in a nested...