Recently emerging package =dev-lang/go-1.13.4 under Gentoo failed on one of our virtual servers with: The above log shows that the emerge fails in the installation…
Build docker image with custom Dockerfile name – docker build requires exactly 1 argument
Docker uses the Dockerfile to build docker images, but what if you want to change the name and (or) the path of this file? By…
autorelabel failed to relabel the root filesystem on boot when enabling the selinux on CentOS 8
This article is of a kind – “/.autorelabel” file does not work, because the enable of SELINUX ended with unreachable server. Enabling the SELINUX should…
SSD cache device to a software RAID5 using LVM2
Continuing our series LVM2 plus cache device: single hard disk with a SSD device SSD cache device to a hard disk drive using LVM, which…
Technical details of Fedora Workstation 31 (Gnome GUI)
This article is for those of you who do not want to install a whole new operating system only to discover some technical details about…
Install Fedora Workstation 31 (Gnome GUI)
This tutorial will show you the simple steps of installing a modern Linux Distribution like Fedora 31 Workstation with Gnome for the user graphical interface….
Docker change the port mapping of an existing container
Unfortunately, it is not possible to change the port mapping (forwarded ports from the hosts to the container) of an existing RUNNING container! Not only…
docker and dind service (.gitlab-ci.yml) with self-signed certificate and x509: certificate signed by unknown authority
When using GitLab and the CI/CD for building docker images you may stumble on such error using the “docker:dind” (dind stands for docker in docker)…
Install CentOS 8 over the old OS and preserve the storage partitions
Always put your root partition separate from the storage (aka data) partitions. root partition should be only for system files and nothing more! Keeping this…
Install gitlab-ce (community edition) in docker container with HTTPS and docker registry
This article is a howto install of the official docker gitlab-ce (GitLab Community Edition). GitLab maintains a docker image in the Docker registry and this…