CentOS Howtos and Tutorials
Centos Linux tutorial for beginners and advanced users with special focus on security, firewall, web, mail, file and proxy servers in an enterprise environment (rss feed).
would like to know how to change a UID (USER ID)/GID (GROUP ID) and all belonging files on Linux operating system. Say, I want to change UID from 1005 to 2005 and GID from 1005 to 2005 on Linux. How do I make such change for belonging files and directories? [click to continue…]
've a critical data stored on my small home server. I backup my Desktop, Laptop and a remote VPS server to my home nas server powered by Debian Linux using rsnapshot backup utility
. In the event that my main nas server has a hardware (hard disk failure) problem, having mirrored files provides some sort of peace of mind. How do I mirror /backups/personal (total 100GB and growing everyday) to a secondary nas Linux server located in my network? [click to continue…]
hat is a "locale" on a Linux operating system? How do I set or get locals (i18n) values on a Linux operating system? [click to continue…]
have a backup sync program on local server. I have an ssh password less login set up, and I can run commands on an external server in bash script doing:
ssh root@server2 "sync; sync; /sbin/shutdown -h now"
How do I run multiple commands in bash on a remote Unix or Linux server? What is the best Way to SSH in and Run various unix commands in bash?
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do not want to use Adobe flash based speed testing site due to security concern on my desktop. How do I install Speedtest-cli on a CentOS Linux or Fedora Linux or Red Hat Enterise Linux (RHEL) for checking the Internet speed? [click to continue…]
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? [click to continue…]
ow do I installed the latest version of Google Chrome v45 on a Red Hat Enterprise Linux or CentOS Linux version 7.x and Fedora Linux v22 using the yum command line option? [click to continue…]