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How to install GNOME (GUI) on CentOS

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  How to install GNOME (GUI) on CentOS When we install any CentOS version, we do have the option to install GUI along with the operating system as well. But many times, we might not install the GUI as we do not have a need for the GUI & installing those packages for GUI will only result in an increase in CentOS installation size.  But what do we do if need to GUI for CentOS afterward? Do we need to reinstall CentOS ? or can we just install some packages for GUI? The answer to that is, Yes we can install GNOME (GUI) on CentOS. In this tutorial, we will learn how to install Gnome of CentOS 7 installations. Gnome provides a nice GUI for us to manage our servers graphically. Let’s discuss the process to install GUI on CentOS 7. Install GNOME (GUI) on CentOS 7 Installation for Gnome is pretty simple as all the packages required to get gnome working are grouped together in the group package named “GNOME DESKTOP”. To install it, execute the following command, # yum groupinstall "GNOM

A Universal Installation Script for Google Chrome on Amazon Linux and CentOS

A Universal Installation Script for Google Chrome on Amazon Linux and CentOS The easiest way to install the latest Chrome version on RHEL, CentOS, and Amazon Linux versions 6.X and 7.X.   # This installs Chrome on any RHEL/CentOS/Amazon Linux variant.   curl https://intoli.com/install-google-chrome.sh | bash A Universal Installation Script for Google Chrome on Amazon Linux and CentOS 6 CentOS , Amazon Linux AMI , and Red Hat Enterprise Linux are three closely related GNU/Linux distributions which are all popular choices for server installations. They offer excellent performance and stability, but package availability can often be lacking. The Extra Packages for Enterprise Linux (EPEL) , a community maintained repository of additional packages, significantly improves the situation, but doesn’t include Google Chrome/Chromium or a lot of other software that you would expect on more desktop-oriented distributions. This can be a bit frustrating when you’re interested in ru

How to Stop and Disable Firewalld on CentOS 7

How to Stop and Disable Firewalld on CentOS 7 FirewallD is a complete firewall solution that dynamically manages the trust level of network connections and interfaces. It gives you full control over what traffic is allowed or disallowed to and from the system. Starting with CentOS 7, FirewallD replaces iptables as the default firewall management tool. Check the Firewall Status To view the current status of the FirewallD service you can use the firewall-cmd command: # sudo firewall-cmd --state Disable Firewall You can temporarily stop the FirewallD service with the following command: sudo systemctl stop firewalld Copy However this change will be valid for the current runtime session only. To permanently disable the firewall on your CentOS 7 system, follow the steps below: First, stop the FirewallD service with: sudo systemctl stop firewalld Disable the FirewallD service to start automatically on system boot: sudo systemctl disable firewalld The outpu

Video/ Screen Recorder (CentOS7) OBS Studion installation on Red Hat/Fedora-based Build Directions

Red Hat/Fedora-based Build Directions Get RPM fusion at http://rpmfusion.org/Configuration/ ( Nux Desktop is an alternative that may include better packages for RHEL/CentOS 7 and newer Fedora) Set up a build environment: sudo dnf install gcc gcc-c++ gcc-objc cmake git   Get the required packages: sudo yum install libX11-devel mesa-libGL-devel libv4l-devel \ pulseaudio-libs-devel x264-devel freetype-devel \ fontconfig-devel libXcomposite-devel libXinerama-devel \ qt5-qtbase-devel qt5-qtx11extras-devel libcurl-devel \ systemd-devel ffmpeg luajit-devel swig python36-devel (Note: you might also need to install ffmpeg-devel ) Building and installing OBS: git clone --recursive https://github.com/obsproject/obs-studio.git cd obs-studio mkdir build && cd build cmake -DUNIX_STRUCTURE=1 .. make -j4 sudo make install   By default obs installs libraries in /usr/local/lib. To make sure that the loader can find them there, creat

Remote Sessions : 5 Tools to Enable Remote Desktop Access on RHEL/CentOS 7

5 Tools to Enable Remote Desktop Access on RHEL/CentOS 7 This article I will show you, tools which enabled you to access remote Desktop on machines running Centos/RHEL. All these apps works in client-server mode. So you need to run server side app on your remote machine and after that, you will be able to connect to it from all over the world. Of Course in this reference manual I will tell you how to configure this securely, so only you can access to your server. Before beginning, you only need SSH access to your server and rights to install software. You need to know root password or permissions to use sudo. All commands will work on every CentOS server 5/6/7. Before start you need to install desktop environment to your server #yum groupinstall 'GNOME Desktop Environment' 'X Window System' 1.VNC x11vnc – simples of this 3 methods to get remote access. VNC stands for Virtual Network Computing) is a very useful network graphics protocol Perhaps you nee

Monitoring Server : Complete guide to install Zabbix on CentOS7

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Complete guide to install Zabbix on CentOS7 Zabbix is open source monitoring software for servers, networks & applications. Zabbix offers real time monitoring of thousands of services for multiple operating systems like Windows, Linux etc & also supports monitoring of a number of networking devices. Zabbix uses a server-client architecture with server installed on a separate machine & an agent application is than installed on all the client that are to be monitored. The connected clients than send the stats to Zabbix server at regular or pre-determined intervels. Zabbix uses a relational database to collect all the information provided by clients & present them to admins via Web UI in easy to understand, graphical format. In this tutorial, we will learn to setup Zabbix monitoring server on CentOS 7 machine. Pre-requisites 1 –  We need to have LAMP server configured on the machine. To install LAMP server, please read our detailed article for installing  LAMP