Linux Screen Tutorial In this Linux Screen tutorial you will learn how to install screen on CentOS, Ubuntu, and how to use Linux screen command with examples. Official GNU Screen man pages. Or: #man screen What is GNU… Continue Reading
Install Linux Screen on CentOS 8 In this article you will learn how to install Linux Screen on CentOS8 /RHEL by 2 easy steps. Linux Screen command or GNU Screen is a full-screen window manager. When screen is called, it… Continue Reading
Install EPEL Repo CentOS 8.x In this article you will learn how to enable and install EPEL repo on CentOS 8.x and Red Hat Enterprise Linux What is EPEL repository EPEL (Extra Packages for Enterprise Linux) free and… Continue Reading
How to Install PHP 7.4 on CentOS 8 CentOS 8 by default distributed with PHP 7.2. In this article you will learn how to install PHP 7.4 on CentOS 8. Also I will show PHP 7.3 installation. CentOS… Continue Reading
ATTENTION!!! Read article about CentOS 6 YumRepo error: How to fix CentOS 6 error: YumRepo Error: All mirror URLs are not using ftp, http[s] or file In this article i will show how to fix yum update error: YumRepo Error:… Continue Reading
Media change: please insert the disc labeled ”Debian GNU/Linux In case if Debian cannot found CD-ROM or DVD with Debian packages yo may have error: Media change: please insert the disc labeled ‘Debian GNU/Linux 9.11.0 _Stretch_ – Official amd64 DVD… Continue Reading
5 Great Linux Disk IO monitoring tools Below you see my favorite best 5 Linux Disk IO Monitoring Tools. IOTOP iotop Linux is a simple top-like disk I/O monitor tool. iotop command watches I/O usage information output by the… Continue Reading
After installing sysstat package and running sar command you may have error message: “Cannot open /var/log/sysstat/sa18: No such file or directory. Please check if data collecting is enabled”. I will show how to fix that error on Ubuntu and CentOS… Continue Reading
How To Reset Openfire Admin Password If you forgot Openfire admin password this tutorial will help you step by step Reset Openfire admin password from Linux command line. 1. Stop Openfire Stop Openfire service by command: # service openfire… Continue Reading
Yum Update Exclude Some Packages in CentOS / RHEL Below I will show some examples how to exclude specific packages updates, and how to permanently exclude packages update from automatic Yum Update. More information you can found in yum… Continue Reading
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