Useful commands for exim (mini cheatsheet)
Exim commands to manage your email To print a list …
CSF CLI (Command Line Interface) Cheat Sheet
Useful CSF SSH Command Line Commands in a “cheat sheet” …
How to delete all local Docker images?
Question: I recently started using Docker and never realized that …
Add system user and generate RSA keypair + sudoers
Bash script to add user to the system (Dbian/Ubuntu) Visit …
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How to Install and Configure Ansible on Windows?
Ansible is a popular open-source automation tool that allows system …
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Zimbra reports “ Error: Queue report unavailable – mail system is down ”
After unexpected cold boot when you reboot Zimbra you can …
Zimbra reports “ Error: Queue report unavailable – mail system is down ” Read More »
how to setup proxy for apt in ubuntu / debian
Aptitude will not use the HTTP Proxy environment variables. Instead, …
Changing column collation and character set in mysql database / schema
In the examples below, change: To create the ALTER SQLs, …
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how to disable ipv6 networking on debian / ubuntu
On modern systems IPV6 protocol enabled by default. And in …
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Windows Server 2012 / 2016 how to add a program to startup
Windows Server 2012 doesn’t have the familiar Startup menu. To …
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postgresql: how to reset forgotten postgres password
Everything flows and changes, and sometimes is forgotten over time. …
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