he Intel Advanced Encryption Standard (AES) or New Instructions (AES-NI) engine enables extremely fast hardware encryption and decryption for openssl, ssh, vpn, Linux/Unix/OSX full disk encryption and more. How do I check support for Intel or AMD AES-NI is loaded in my running Linux in my Linux based system including openssl? [click to continue…]
ow do I determine the system resource usage during of execution of a particular command on a Linux, OS X Unix, BSD and Unix-like operating system? [click to continue…]
How do I display the characteristics of file systems such as inodes, blocks, block size, file system name, state, lifetime writes, fsck status and more on Linux or Unix-like operating system?
[click to continue…]
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 a bash shell?
[click to continue…]
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…]