Category: Fedora / RedHat / CentOS

PostgreSQL 9.4 for RHEL/CentOS 8 – x86_64 – Failed to download metadata for repo ‘pgdg94’ Error: Failed to download metadata for repo ‘pgdg94’

when trying to update CentOS8 with PostgreSQL installed in this tutorial this errors shows up: repo: downloading from remote: pgdg94 error: Status code: 404 for ( PostgreSQL 9.4 for RHEL/CentOS 8 – x86_64 261 B/s | 162 B 00:00 […]

GNU Linux Distributions – about Fedora -> CentOS -> RedHat

imho: CentOS is a rock solid server operating system. Why is CentOS perfect for servers? a server (usually) is build for a specific purpose and should have as little software installed as possible (more software = more reliability, speed and […]

RedHat podcasts – season 1 episode 1 – The OS wars
15.01.2020 direct link: by: Tweets by saronyitbarek  

the second nftables howto – it is fast and …… complicated

firewall & pinguin: iptables where do thou go? it is said that when using “ip-sets” iptables and nftables achieve almost same performance (amounts of ips possible to block, without server becoming slow/unresponsive) Redhat and nftables on DDoS “so the only […]

Fedora CentOS RedHat – adding new fonts to the system for LibreOffice to use

Adding new fonts for all users To install fonts for all users for example the boring company font: one need to login as root and create a directory under /usr/share/fonts/ # tested on hostnamectl Static hostname: centos.localdomain Chassis: laptop […]

all xfs related man pages

from version: hostnamectl Operating System: CentOS Linux 7 (Core) CPE OS Name: cpe:/o:centos:centos:7 Kernel: Linux 5.X Architecture: x86-64 cat /etc/system-release-cpe cpe:/o:centos:centos:7 all xfs related man pages: […]

how to change uuid of logical lvm partitions

problem: manually changing uuids is tidious and might not yield the result you want. unfortunately have not succeeded yet with integrating an old harddisk.vdi (same uuids) back into the template vm (same uuids) – so the recommendation is: reinstall os […]


changing port for vestacp backend will also change port for /phpmyadmin vim /usr/local/vesta/nginx/conf/nginx.conf # find this lines # Vhost server { listen 8083; <- change new port :wq # save and quit # restart vesta service vesta restart what you […]


# yum based (fedora/redhat/centos) yum update –exclude=kernel* # apt based apt-mark hold package-name* # to unhold: apt-mark unhold package-name*


i want to create a autostart script that starts whenever the server starts. mkdir /scripts vim /scripts/ #!/bin/bash echo “========= starting up docker service” systemctl start docker echo “========= starting up docker containers” docker start containername vim /scripts/ #!/bin/bash echo […]

VestaCP disable roundcube webmail

CentOS7: # search for roundcube config file find / -name *roundcubemail.conf* /usr/local/vesta/install/rhel/6/roundcube/roundcubemail.conf /usr/local/vesta/install/rhel/7/roundcube/roundcubemail.conf /usr/local/vesta/install/rhel/5/roundcube/roundcubemail.conf /etc/httpd/conf.d/roundcubemail.conf # search for installed packages yum list installed |grep roundcube roundcubemail.noarch # is enough to disable roundcube rm -rf /etc/httpd/conf.d/roundcubemail.conf # seems to be no […]