X

Linux & Unix

How to enable auto updates in Ubuntu 20.04

It is important to keep your Linux server up to date with security updates. Linux distributions like Ubuntu and Debian…

How to chmod files only on Linux

Sometimes, you might want to apply a chmod to files only and not directories. This guide shows you three different…

[Solved] MySQL: Too many connections error

This guide shows you how to solve the error message "Connect to MySQL server 127.0.0.1: Too many connections". The error…

RoundCube error: config.inc.php was not found.

This tutorial shows you how to solve the RoundCube webmail error message: config.inc.php was not found. on an ISPConfig Debian server…

How to reset the MySQL root password

The following steps describe the procedure to reset the MySQL root password on Linux. The same procedure works for MariaDB…

How to redirect an HTTP connection to HTTPS in Apache webserver

HTTP connections can be redirected to HTTPS using the apache mod_rewrite module. Mod_rewrite should be available in every apache installation.…

Redirect a subdomain in Apache and keep the URL in the address bar

This tutorial shows you how to use redirect rules in the Apache web server. If you want to redirect a…

How to convert filenames or text to lowercase on the Linux command line

There is no simple 'tolower' command on the bash, but you can convert uppercase characters to lowercase with a little…

[Solved] Postfix: “queue file write error”

If you get an error like: Apr 15 12:41:03 webb4 postfix/sendmail[11234]: fatal: web1_user(12967): queue file write error in your mail…

How to speed up logins in pure-ftpd on Debian or Ubuntu Linux by disabling name resolution

If you experience problems with slow logins in pure-ftpd, this is often caused by a problem with the resolving of…

X

Headline

You can control the ways in which we improve and personalize your experience. Please choose whether you wish to allow the following:

Privacy Settings