How to Set Up Software RAID 1
mdadm is used to manage software RAID. Install mdadm package with To set up RAID 1 (mirror), you need 2 drives or…
Ubuntu
How to extract .deb file in Ubuntu?
You can use dpkg-deb command to extract the contents of a .deb file in the Ubuntu or Debian system. Example: Here we…
Keeping Ubuntu Secure with Unattended-Upgrades
Keeping your operating system up-to-date is crucial for maintaining security and stability. For Ubuntu/Debian users, the unattended-upgrades package offers a solution to…
DHCP
DHCP, or Dynamic Host Configuration Protocol, is a network management protocol that automates the process of assigning IP addresses and other network…
How to Disable apt Ubuntu Pro Advertisement
On running “apt upgrade” command on Ubuntu 20.04 and newer, Ubuntu shows an advertisement about Ubuntu Pro subscription. To disable the Ubuntu…
Install MATE desktop with xrdp on Ubuntu Server
Login to ubuntu server using SSH and run the following command to install MATE desktop environment apt install ubuntu-mate-desktop Create a normal…
How to change varnish port in Ubuntu
To change the varnish port, run the command systemctl edit varnish It opens an editor, in the editor, paste the following [Service]…
rsyslog Unsafe symlinks encountered in /var/log, refusing
When updating packages on an Ubuntu server, I got the error “Unsafe symlinks encountered in /var/log, refusing.”. root@ip-172-31-45-33:/var# apt upgrade -y Reading…
apt error doesn’t support architecture ‘i386’
On an Ubuntu server, when running “apt update” command, I got the following error message root@s196379:~# apt update Hit:1 http://mirror.fcix.net/ubuntu focal InRelease…
How to install dropbear SSH server
Dropbear is a Lightweight SSH server. You can use it as openssh server alternative. Dropbear is particularly useful for embedded type Linux…
Reset nextcloud admin password (snap install)
To reset the admin password of a nextcloud installed using the snap package, run sudo nextcloud.occ user:resetpassword USER_NAME_HERE It will ask for…
How to install .NET SDK in Ubuntu 20.04
To install .NET on ubuntu 20.04, run the following commands wget https://packages.microsoft.com/config/ubuntu/20.04/packages-microsoft-prod.deb -O packages-microsoft-prod.deb sudo dpkg -i packages-microsoft-prod.deb rm packages-microsoft-prod.deb sudo apt-get…