Auto upgrade software in Ubuntu/Debian
To auto upgrade software packages in Ubuntu/Debian, install apt install -y unattended-upgrades Edit vi /etc/apt/apt.conf.d/50unattended-upgrades In this file, you can configure various…
Ubuntu
Install PowerDNS on Ubuntu 20.04
PowerDNS is an OpenSource DNS server. Update apt repo apt-get update && apt-get upgrade -y On Ubuntu, systemd-resolved listen to port 53.…
Prevent Notification steal focus on Ubuntu 18.04
On Ubuntu, some times notifications steal focus from current application. This annoying when you are working on terminal. This is due to…
Download a package using apt on Debian/Ubuntu
On Debian and Ubuntu servers, you can download a package using apt download command. apt download PKG_NAME Package will get downloaded to…
Blocking Package Upgrade on Debian/Ubuntu
To block packages from upgrading, you can use command apt-mark hold. apt-mark hold PKG_NAME Example apt-mark hold libtomcat8-java tomcat8 tomcat8-admin tomcat8-common To…
Change Apache User in Ubuntu
On Ubuntu/Debian server, apache run as user www-data. When you install Apache web server on your local computer for developement purpose, it…
Install wireguard VPN on Ubuntu
To install wireguard VPN on ubuntu, run apt update apt install software-properties-common apt install linux-headers-$(uname -r) add-apt-repository ppa:wireguard/wireguard apt-get update apt-get install…
Disable sshd start on boot in ubuntu
On my local computer, i have installed openssh-server, but i don’t want it always enabled. To disable openssh-server from auto start on…
apachectl status www-browser not found
On a Ubuntu server, run i run apachectl status, i get following error. root@server:~# apachectl status /usr/sbin/apachectl: 113: /usr/sbin/apachectl: www-browser: not found…
MariaDB ERROR 1524 Plugin unix_socket is not loaded
After upgrading MariaDB on Ubuntu server, i got following error root@server:~# mysql ERROR 1524 (HY000): Plugin ‘unix_socket’ is not loaded root@server:~# Users…
apt-get An error occurred during the signature verification
When running apt update, i get following error W: An error occurred during the signature verification. The repository is not updated and…
netplan
Ubuntu Server 20.04 set static IP with netplan Ubuntu Server 20.04 configure OVH failover IP Configure KVM Bridge Network using netplan Configure…