
gpg: failed to start the dirmngr
When i add a key with apt-key command, i get error [email protected]:~# apt-key adv –recv-keys –keyserver keys.gnupg.net E1F958385BFE2B6E Executing: /tmp/apt-key-gpghome.0BP6Ro2t54/gpg.1.sh

Install Remote Desktop in Debian/Ubuntu
To install and use Linux remote server as desktop, first install lite weight desktop environment like XFCE on your server.

Debian
When I install Debian 9 from CD, it did install with /etc/apt/sources.list pointing to CD. To get this work properly,

Install Monit on Ubuntu
Monit can be used to monitor services, restart them if required. To install monit, run To start monit, run Monitor

Install ionCube on Debian 9
Download latest version of ionCube loader from Check PHP version with On Debian 9, default will be PHP 7.0, so

Install GeoIP PHP Module in Ubuntu
To install GeoIP php module in Ubuntu, run To enable module, run You can see the PHP module with command

Install pureftpd on Ubuntu
To install pure-ftpd on Ubuntu, run Create a system user Enable Unix Authentication To allow system user to login using

Reinstall a package using apt
To reinstall a package, run Example dpkg apt

dpkg
dpkg package pre-removal script returned error dpkg dependency problems not removing To force delete a package, run List all Installed