During my infant years working on UNIX systems, I regularly required a column listing output of files and directories. I have always been a ‘lazy typist’, so instead of attempting to remember various arguments for the ‘ls’ command I found it easier to create a command called ‘lf’ (list files) Typing ‘ls -CF’ produces...
Running your own or wish to run your own Linux/UNIX server? If so, you will definitely need to learn about firewalls. Block and Unblock an IPv4 IP Address using firewalld You can block any visitor’s IP address with the firewalld firewall program, with the firewalld program being managed by the firewall-cmd command. See the...
A firewall solution to totally block chosen countries from attacking and spamming your website. Below you will find a procedure to block a country or countries from accessing your Linux server at the firewall level without any OS kernel calls or the installation of any additional applications. Here we are going to protect our...
Apache – You don’t have permission to access the requested directory. If you get this error after creating a new virtual site on Apache2: "You don't have permission to access the requested directory" This is probably because a Deny from all or the