Brute Force Login Attempts are as common as ever. Even if you have a strong root password, it is a matter of time for it to be cracked using a dictionary attack. Hence the need to prevent direct ssh logins for common accounts like root or admin. Generally, it’s safe to use a hidden “su” user…
It is extremely easy to compress files and directories in Linux/ Unix using the tar command. This command is used to create create .tar.gz or .tgz archive files; the so called “tarballs.” You can do a lot of tasks with this command. It has a lot of options. Man page man tar or help file tar…
Removing directory in Linux is an easy thing. While trying to remove a directory using a command like rmdir seems to be the only one needed. In real world the directory in question is not empty. There are some files or other directories inside it. You will get warnings like ‘Directory not empty’ and will…