
How to change varnish port in Ubuntu
To change the varnish port, run the command It opens an editor, in the editor, paste the following This will

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.”. This is due

apt error doesn’t support architecture ‘i386’
On an Ubuntu server, when running “apt update” command, I got the following error message This error is because the

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

Reset nextcloud admin password (snap install)
To reset the admin password of a nextcloud installed using the snap package, run It will ask for the new

How to install .NET SDK in Ubuntu 20.04
To install .NET on ubuntu 20.04, run the following commands To find all versions of .NET SDK available, run To

How to convert images to webp format in Ubuntu
Webp is a new image format for the web. It can be used on websites for the fast and efficient

Install CSF firewall on Ubuntu Server
First, install libwww-perl package needed for CSF firewall Install CSF with Change following settings in csf.conf file If you need

dpkg dependency problems not removing
When removing a package, I got the following error message It is fixed by specifying –ignore-depends=plesk-core in apt command. Example

dpkg package pre-removal script returned error
On a Plesk server, MySQL somehow went missing. When I tried to remove a package, I get error To fix

Convert image to WebP format in Ubuntu
WebP is an image format for web by Google. The size of webp images are much smaller compared with other

bash: /usr/bin/man: No such file or directory
On Ubuntu, I get the following error This is fixed by installing man with apt-get