Ubuntu 20.04 LTS server edition offers the following software and versions: Software linux kernel – 5.4.0 – 5.4.0-29-generic System linux-firmware – 1.187 libc – 2.31…
Minimal installation of Ubuntu server 20.04 LTS
This tutorial will show you the simple steps of installing a modern Linux Distribution – Ubuntu server 20.04 LTS edition. Following most of the default…
Data too large, data for [] would be [] which is larger than the limit of
Rsyslog writing to Elasticsearch could lead to an error for some of the records and missing to save them in the backend: Unfortunately, such writes…
collectd nginx plugin: curl_easy_perform failed because of selinux
Enabling the Nginx plugin for collectd under CentOS (or any other system using SELinux) might be confusing for a newbie. Most sources on the Internet…
aptly remove a package from a repository using the cli
Here is a fast tip – how to remove a package from our local aptly repository: Remove the package from the local repository. Create a…
Kibana server is not ready yet – and Waiting for that migration to complete in the logs
Now, living in the cloud and big data there is a time when the admin may need to save all their logs in a central…
Cron missing path – executing docker/podman – adding network: failed to locate iptables
If you have ever happened to execute some complex scripts using the cron system you were inevitable to discover the Linux environment was different than…
lvm2: remove unknown physical volume device in a logical volume with a caching using vgreduce
Following the article SSD cache device to a hard disk drive using LVM the initial setup is: Single slow 2T harddisk. So no redundancy. If…
Inactive array – mdadm: Cannot get array info for /dev/md126
Replacing a disk maybe sometimes challenging, especially with software RAID. If the software RAID1 went inactive this article might be for you! Booting from a…
Mirror a PPA repositories using aptly – PHP (ppa:ondrej/php)
This is a simple example of how to mirror a PPA repository to a local server. The Ubuntu PPA to mirror is ppa:ondrej/php, which offers…