To block incoming emails in Proxmox Mail Gateway that contain attachments with a specific extension, for example, .cab I recommend blocking both the extension (MIME type) and the filename (files that end with .cab). To do this first log in to...
Sometimes it’s useful to enable visitors to your site to upload content, for example, photos, which can then be displayed on the site. Folders on a website, for example, an images folder will typically have permissions of 755, which means that...
A runlevel is one of the modes that a Unix-based OS will run on. Each runlevel has a certain number of services stopped or started, giving the user control over the behavior of the machine. The following runlevels are defined by default under Red...
On cPanel servers user forwarders and autoresponders are located in the /etc/valiases/ directory and separate for each domain (Forwarders and autoresponders for all email addresses under domain example.net are located in the...
In this tutorial we will see about Sticky Bit, so what is a sticky Bit and how to set it in Linux? The sticky bit is set on directories to forbid all the users in the system to rename or delete the directory or the files/directories inside the...
MariaDB failed to start outputing this error: [ERROR] Aria engine is not enabled or did not start. The Aria engine must be enabled to continue as mysqld was configured with –with-aria-tmp-tables to fix this move the aria_log_control file: mv...
When you first create a new server, there are a few configuration steps that you should take early on as part of the basic setup. This will increase the security and usability of your server and will give you a solid foundation for subsequent...
When importing a dump file from MariaDB to MySQL the following error appears and forces MySQL service to restart: ERROR 2013 (HY000) at line 2286533: Lost connection to MySQL server during query error in MySQL error log file: 2022-02-02T12:07:43...