Category Archives: UNIX

How to Check Top Running Processes by Highest Memory and CPU Usage in Linux

Assalamualiakum.. The following command will show the list of top processes ordered by RAM and CPU use in descendant form (remove the pipeline and head if you want to see the full list): ps -eo pid,ppid,cmd,%mem,%cpu –sort=-%mem | head Brief … Continue reading

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How to Add One User to Multiple Groups

Assalamualaikum, The utility is usermod and is used like: usermod -a -G group1,group2 username Where username is the user you want to modify and group1 and group2 are the new groups you want that user to join. Running the command … Continue reading

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How to Identify the File System Type in Linux/Solaris

Salam.. There are few methods how to determine your linux file system. Below are commands that I usually use. Linux $ df -Th $ df -Th | grep “^/dev” $ fsck -N /dev/sd* $ lsblk -f $ mount | grep … Continue reading

Posted in freeBSD, Linux, Solaris, UNIX | Tagged ,

Happy New Year 2018!

.. Last login: Tue Jan 2 12:11:49 2018 from 104.223.123.98 [hanief@master ~]$ mv 2017 /archive [hanief@master ~]$ sudo mkdir 2018 [hanief@master ~]$ cd 2018 [hanief@master ~]$ vi goals.sh [hanief@master ~]$ chmod +x goals.sh [hanief@master ~]$ nohup ./goals.sh & [hanief@master ~]$ … Continue reading

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CentOS-7 “Minimal Desktop” installation (GNOME)

Assalamualaikum.. For some reasons you need to install GUI on your CentOS server. In my case, I having a bad time to install Oracle Database 12c in my CentOS using CLI. I don’t have plenty of times struggling with CLI … Continue reading

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How to Setup network on RHEL/CentOS 7 (Minimal)

Assalamualaikum… Issue: Not able to connect to network/internet. Caused by: Ethernet interfaces are not enabled by default. Step 1: First, type “nmcli d” command in your terminal for quick list ethernet card installed on your machine: Step 2: Type “nmtui” … Continue reading

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Create a Bash Alias in OSX/MacOS

Assalamualaikum, When I bought my Mac, the .bash_login file wasn’t there. I need to create it for myself so that I could put prompt info, alias, functions, etc. in it. Here are the steps if you would like to create … Continue reading

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