Learn how to setup debugging to generate NFS logs. By default NFS daemon does not provide dedicated log file. So you have to setup debugging.
Learn everything about syslog in Linux. Its configuration file format, how to restart syslog, rotation and how to log syslog entry manually.
Learn to configure free, open source, secure Lets Encrypt SSL certificate on Apache webserver running on YUM based Linux server.
Learn to configure yum server in RPM based Linux systems. Article explains yum server configs over http and ftp protocol.
Learn YUM configuration in Linux. Understand what is yum, features of yum, what is repository and how to configure it.
On demand NFS mounting utility : autofs. Learn what is autofs, why and when to use autofs and autofs configuration steps in Linux server.
Learn howto secure your system and limit user access using sudo configuration. It helps to restrict superuser privileges of normal user for specific command
Step by step guide to configure telnet server on Linux. Generally SSH is preferred over telnet since its more secure and hence telnet is not available out of the box.
Basic Linux and Unix fundamentals of file, directory permissions and ownership. Learn what are they and how to set/edit them in different ways.
Learn how to check Linux kernel version using command line. Helpful commands to check your kernel versions, releases, codenames etc.