Important wkhtmltopdf is deprecated and shouldn't be used anymore. Please consider switching to another tool We can install wkhtmltopdf...
Sometime we've seen this error when executing e.g. bundle exec rake asset:precompile: double free or corruption (out)
With Ubuntu 24.04 it's not longer possible to setup FDE with BTRFS The new installer won't offer you...
sudo gitlab-rails console Note This takes some minutes to start Send a mail Use the following...
There are different kind of memory measurement metrics in Linux. These are the differences: Code Name Description vsz virtual memory...
If you want someone to be able to access your rails console, but don't want them to be able...
If you want to find out what type of network card is used for a given network interface on a...
It happens from time to time that a job in a GitLab pipeline fails. Sometimes, however, the error message is...
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...
If you want to automatically delete old container images from your Elastic Container Registry, the solution is a quite simple...
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...
If you want to check the configuration of a running JVM process you can use jcmd. List the running processes...
To measure the time of your HTTP request with curl, you can use the -w (--write-out) option:
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.
There are cases where we have multiple exported resources that are identical. There are nodes that provide the same services...
The Oracle mysql client has an odd behavior if your server uses latin1 as default character-set-server. Command
Nginx is capable of forwarding a unix socket to UDP backend servers. This is quite handy for load balance syslog...
You might use screen or tmux to run a temporary command on a server which continues to run after the...
Instead of using Puppet exported resources you can use the puppetdb_query feature. This can result in more complex code...
If you want to expand your Areca Raid by swapping out the disks for larger ones you will need to...