With Ubuntu 24.04 it's not longer possible to setup FDE with BTRFS The new installer won't offer you...
When setting up cronjobs, commands somtimes output something every time. If these commands don't support limiting their output to...
Ever needed to migrate data between Redis instances? Give RIOT - Redis Input/Output Tools a try. It supports migration to different...
There are different kind of memory measurement metrics in Linux. These are the differences: Code Name Description vsz virtual memory...
Add apt source: apt update -y && apt install -y gpg sudo wget curl sudo install -dm 755 /etc/apt/keyrings
If you want someone to be able to access your rails console, but don't want them to be able...
You can use pg_repack to do a VACUUM FULL without holding an exclusive lock during processing. There is still...
Apply Test Driven Development(TDD) to the process of building container images by defining test before writing code and automate...
Creating Nagios Config with puppet Let's have a look at the classic way of managing Nagios configuration with exported...
There is a gem puppet-ghostbuster which can help you find dead code in puppet projects. To use it, (as...
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...
A convenient way to test SNS Subscription Filter Policies is using an email address as the subscription endpoint. However, for...
When a nginx reverse proxy complains about upstreams sending too big headers, tweaking the buffers responsibly can help to prevent...
A severe bug was found in ImageMagick by Bryan Gonzalez from Ocelot Team. It allows to embed the content of...
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.
There are cases where we have multiple exported resources that are identical. There are nodes that provide the same services...
In Puppet, there are some differences between defined and function types when it comes to code encapsulation. In most cases...
When configuring prometheus scrape_configs, you may use relabel_configs to filter your metrics or change some fields. Your config...
When using many or very long entries of MIME-types that shoudl be gziped in gzip_types directives in nginx...
If you use third party APT sources you might end up with unmaintained packages after removing the external source or...