export command HowTo - Linux / Unix Q & A from nixCraft

Failed to set locale, defaulting to C warning message on CentOS Linux when running yum

in CentOS, Linux, RedHat and Friends, Troubleshooting last updated January 18, 2018

Whenever I run yum command, I get an error or warning that read as Failed to set locale, defaulting to C. How do I fix this issue on CentOS 7 Linux server? Why do I get “Failed to set locale, defaulting to C” when using yum on CentOS 6 or Fedora Linux system? How do I fix it?

How to add to bash $PATH permanently on Linux

in BASH Shell, CentOS, Debian / Ubuntu, FreeBSD, Linux, UNIX last updated November 17, 2016

I am a new Linux and bash shell user. How do I permanently set $PATH on Linux? How can I permanently add a directory to shell PATH on Linux?

How to undefine and unset a bash environment variable on Linux or Unix

in BASH Shell, FreeBSD, Linux, Mac OS X, UNIX last updated March 8, 2016

I have set the shell variable. I no longer need the variable. How do I undefine or unset a variable in bash on a Linux or Unix-like desktop system?

Minify and Compress CSS & Javascript Files At a Linux/Unix Shell Prompt

in BASH Shell, Linux, UNIX last updated April 5, 2014

How do I minify and compress CSS & JS files on Linux or Unix-like system using shell prompt on my server? How can I minify JavaScripts and stylesheets at shell promot so they can download faster over the Internet without using any online tools?

CentOS Install Java SDK using yum Command

in CentOS, Package Management, RedHat and Friends last updated March 9, 2014

How do I install JDK runtime environment on a CentOS Linux version 6.x using yum command?

Linux / Unix: Read a Man Page From Local Directory

in BASH Shell, Linux, UNIX last updated March 10, 2013

I have a man page stored in my home directory called ~/foo.1. How do I read a $HOME/foo.1 man page file? How can I read the file called ~/foo.1 as a manpage with man command?

TCSH / CSH Shell Set PATH Variable

in CentOS, csh, Debian / Ubuntu, FreeBSD, Linux, Suse, UNIX last updated November 29, 2017

I am a new Unix / Linux / Apple OS X user. What is my path in CSH / TCSH shell? How do I set or modify path in c shell (CSH) on Unix like operating systems?