Error: Invalid command ‘SSLEngine’, perhaps misspelled or defined by a module not included in the server configuration

Find Files and Directories in CentOS The find command helps you locate files and folders on your hard disk. There are additional parameters that can be passed to the command that help you find files and folders in multiple ways. Find by filename, modified time, find files and folders. Basic syntax find /path/to/search -option1 -option2…

I am getting an error message that read as follows: rmdir: failed to remove ‘trip-pictures’: Directory not empty How can I remove non empty directory in Linux using the cli? There are two commands that one can use to delete non empty directories in Linux operating system: rmdir command – Delete directory only if it…

In this article, we will explain swap space, and learn how to create swap space using a swap file in Linux: this is important in case we don’t have a swap partition created on the hard disk. Swap space/partition is space on a disk created for use by the operating system when memory has been…

ERROR:- The response from the remote server was: 550 Please turn on SMTP Authentication in your mail client. mail-qk1-f172.google.com [209.85.222.172]:36503 is not permitted to relay through this server without authentication. SOLUTION:- Manage SMTP restrictions Click Enable to deny users the ability to bypass your mail server to send mail. To allow users the ability to bypass your…

Question How to configure the passive ports range for ProFTPd on a server behind a firewall? Answer Note: When configuring the passive port range, a selected port range must be in the non-privileged range (e.g., greater than or equal to 1024). It is strongly recommended that the chosen range should be large enough to handle…