Installing CentOS 8 in relatively old hardware maybe a real challenge because of an old hardware device like storage, network, or both. This article shows…
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storcli with multiple disks from different enclosures
Creating a Virtual device with the AVAGO storcli command-line tool under Linux. Two examples are included: All disks are from one of the enclosure. All…
Upgrading Ubuntu 18 to Ubuntu 20 – software versions upgrade table – head to head
In the following article a comparison between two LTS versions of Ubuntu is presented – Ubuntu 18.04 LTS (Bionic) versus Ubuntu 20.04 LTS (Focal). The…
Configure Bond (802.3ad LACP) device in CentOS 8 – configuration files
Upgrading to a bond device is a common step when the server exhausts its current network port bandwidth. The hardware setup of the bond example…
Set up (802.3ad LACP) bonding when installing CentOS 8
This article is to show how the user could install CentOS 8 (the steps are the same with CentOS 7) with a much complex network…
Chromium browser in Ubuntu 20.04 LTS without snap to use in docker container
Ubuntu team has its own vision for the snap (https://snapcraft.io/) service and that’s why they have moved the really big and difficult to maintain Chromium…
Copy files with read errors successfully – skipping only errors (i.e. bad sectors)
Sometimes disks have errors or an SSD disk has a bad NAND cell. Saving the whole hard disk data may not be needed and when…
Software and technical overview of Ubuntu 20.04 LTS server edition
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…
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…