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Linux For Beginners & Advanced Users

Tutorials, howtos, faqs, hacks, and tips about GNU/Linux operating systems for Linux users sorted by easy, intermediate and advanced level. ( rss feed ).

Btrfs Filesystem /etc/fstab Entry To Mount It Automatically At Linux System Startup

I've RAID-1 based btrfs store backups on my person system and how do I mount a multi-volume btrfs filesystem using /etc/fstab file when my Linux server comes online?
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How to Compile and Install Linux Kernel v4.4 Source On a Debian / Ubuntu Linux

How do I download, compile and install the latest version of the Linux kernel on a Debian Linux v8.x or Ubuntu Linux LTS home server or my laptop? How do I build and install a custom Linux kernel on a Debian or Ubuntu Linux based system?
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How To Install ncurses Library on a Linux

I need to compile an application with ncurses library and header files. How do I install install ncurses libs and header files on a Linux operating system? How do I write a simple hello world program using the ncurses and compile it on a Linux?
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How to find out information about a LXC (Linux container) CPU & Memory Usage

How can I find out information about a Linux container (LXC) such as CPU usage and memory usage from the command prompt? Is there is top command like a tool for lxc to monitor memory and cpu usage?
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How To Join Several Partition Together To Form a Single Larger One On a Linux Using mhddfs

I've three old hard drives: sized 60, 60 and 120 GB. And 200 GB of video files, which I need to store on these drives. How would I store all my files on three hard drive without split a file into pieces or creating RAID array? How can I combines a several mount points (partitions) into the single one on a Linux operating systems?
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How To Find My Public IP Address From Command Line On a Linux

How do I find out my public IP address on the Linux and OS X Unix command line to use with my own bash shell script without using third party web site? Is there command-line option which will show my dynamic IP address on a Ubuntu or Fedora Linux?
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Linux and Unix Test Disk I/O Performance With dd Command

How can I use dd command on a Linux to test I/O performance of my hard disk drive? How do I check the performance of a hard drive including the read and write speed on a Linux operating systems?
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How To: Ubuntu Linux Firewall Open Port Command

How do I open port 80 and 443 on a Ubuntu Linux LTS version 14.04 server?
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How To Run Cronjob Script On The Last Day Of a Month

How to execute script on the last day of a month on Linux or Unix bash shell? How do I run a disk usage or custom reporting shell/perl/python script on the last day of a month on a Linux or Unix-like systems?
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How To: Temporarily Clear Bash Environment Variables on a Linux and Unix-like System

I'm a bash shell user. I would like to temporarily clear bash shell environment variables. I do not want to delete or unset an exported environment variable. How do I run a program in a temporary environment in bash or ksh shell?
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