Novice Linux / Unix System Administrator Tutorials

These tutorials assumes that you have basic understanding of Unix like operating systems and you are familiar with – Unix/Linux and its commands at the user level, know how to edit files, familiar with the Bourne shell/Bash/Ksh shell, know how to perform standard file processing tasks (such as find/move/copy/delete/) and so on. ( rss feed )

How can I update for Google Cloud SDK components on a Linux or OS X unix based systems?


I‘m a new FreeBSD unix user and backup file on a FreeBSD based unix server. How can I check quota limits and disk usage using shell prompt on a FreeBSD based system?


I‘m a new Ubuntu Linux user. This seems like a newbie question, but I can not seem to find examples to copy files on Ubuntu. How do I copy file to another directory on Ubuntu Linux using command line terminal application? How can I copy files via terminal on Ubuntu Linux desktop?


I am a new RHEL / Centos Linux server admin. I would like yum to update all packages except the Linux Kernel. How can I prevent yum command from updating kernel on a CentOS/RHEL/Fedora Linux based systems?


I am a new Unix system admin. How do I find ouw who has recently use the Linux or Unix-like server? Which terminals they used, and when they logged in and out of the my server?


I am a new CentOS Linux user. How do I change default sshd tcp port # 22 to 2022 on CentOS Linux version 5/6?


whereis command

I am a new Linux and Unix-like system command line user. How do I find and locate the binary, source, and manual page files for a given command?