Tag Archives: CentOS 7

Install Plex on CentOS 7

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Was just playing around. It’s a great home entertainment tool indeed.

Method-1: Creating repository and using Yum

To enable the Plex repository open your text editor and create a new YUM repository configuration file named plex.repo in /etc/yum.repos.d/ directory:

[PlexRepo]
name=PlexRepo
baseurl=https://downloads.plex.tv/repo/rpm/$basearch/
enabled=1
gpgkey=https://downloads.plex.tv/plex-keys/PlexSign.key
gpgcheck=1

Method-2: Installation using RPM

download the package for your Linux distro. It is much easier to do this by simply coping the download link location with right click and then you can run:

$ sudo rpm -ivh https://downloads.plex.tv/plex-media-server/1.13.8.5395-10d48da0d/plexmediaserver-1.13.8.5395-10d48da0d.x86_64.rpm

Alternatively, you can download the package on your system with wget command as shown.

$ wget https://downloads.plex.tv/plex-media-server/1.13.8.5395-10d48da0d/plexmediaserver-1.13.8.5395-10d48da0d.x86_64.rpm

If you’ve used install base using yum repo- you now need to install it, otherwise if you’re with RPM installation, you already have plex installed. Continue reading “Install Plex on CentOS 7” »

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Create A Network Bridge on CentOS 7

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Install Module

CentOS 7 comes with bridging module loaded on system boot by default. Use the following command to verify whether the module is loaded or not.

# modinfo bridge
filename:       /lib/modules/3.10.0-327.el7.x86_64/kernel/net/bridge/bridge.ko
alias:          rtnl-link-bridge
version:        2.3
license:        GPL
rhelversion:    7.2
srcversion:     905847C53FF43DEFAA0EB3C
depends:        stp,llc
intree:         Y
vermagic:       3.10.0-327.el7.x86_64 SMP mod_unload modversions
signer:         CentOS Linux kernel signing key
sig_key:        79:AD:88:6A:11:3C:A0:22:35:26:33:6C:0F:82:5B:8A:94:29:6A:B3
sig_hashalgo:   sha256

If the module is not loaded, you can load it using the following command. Continue reading “Create A Network Bridge on CentOS 7” »

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Install transmission on Centos 7

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Step 1. First, you need to enable the EPEL repository on your system.

yum install epel-release
yum -y update

Step 2. Installing Transmission on CentOS 7.

Just run the following command to install Transmission:

yum install transmission-cli transmission-common transmission-daemon

Once complete, you can verify Transmission is installed by running the below command:

systemctl start transmission-daemon.service
systemctl stop transmission-daemon.service

Step 3. Configuration Transmission.

Edit the transmission settings.json config file: Continue reading “Install transmission on Centos 7” »

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Getting started with Xen Virtualization On CentOS 7.x

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Welcome to Getting started with Xen Virtualization On CentOS 7.x. Xen is an open-source bare-metal hypervisor which allows you to run different operating systems in parallel on a single host machine. This type of hypervisor is normally referred to as a hypervisortype 1 in Virtualization world.

Meltdown and Spectre Mitigation on Xen 6.5 and Xen 7.x

Xen is used as a basis for Server virtualization, Desktop virtualization, Infrastructure as a service (IaaS) and embedded/hardware appliances. The ability of physical host system to run multiple guest VMs can vastly improve the utilization of the underlying hardware.

Cutting-edge features of Xen hypervisor

Xen is operating system agnostic – Main control stack (domain 0) can be Linux, NetBSD, OpenSolaris e.t.c
Driver Isolation capability – Xen can allow the main device driver for a system to run inside of a virtual machine. The VM can be rebooted in case of driver failure/crash without affecting the rest of the system.
Paravirtualization support: This allows fully paravirtualized guests to run much faster as compared to a fully virtualized guest using hardware virtualization extensions (HVM). Continue reading “Getting started with Xen Virtualization On CentOS 7.x” »

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Install MySQL 5.7 on CentOS 7

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Preqrequsite:

It’s better to have installed development tools and disable NetworkManager for a produciton envrionment. You can optionally follow the steps-

Disabling NetworkManager:

systemctl stop NetworkManager
systemctl disable NetworkManager

Install Development Tools:

yum group install "Development Tools"

Remove MariaDB pre-installed libraries-

yum -y remove mariadb-libs

Enable MySQL Repository

First of all, You need to enable MySQL 5.7 community release yum repository on your system. The rpm packages for yum repository configuration are available on MySQL’s official website.

First of all, import the latest MySQL GPG key to your system.

sudo rpm --import https://repo.mysql.com/RPM-GPG-KEY-mysql-2022

Now, use one of the below commands to configure the Yum repository as per your operating system version. Continue reading “Install MySQL 5.7 on CentOS 7” »

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Install MariaDB 10 on Centos or Springdale Linux

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Step 1: Add MariaDB Yum Repository

Start by adding the MariaDB YUM repository file MariaDB.repo for RHEL/CentOS and Fedora systems.

# nano /etc/yum.repos.d/MariaDB.repo

Now add the following lines to your respective Linux distribution version as shown.

[mariadb]
name = MariaDB
baseurl = http://yum.mariadb.org/10.1/centos7-amd64
gpgkey=https://yum.mariadb.org/RPM-GPG-KEY-MariaDB
gpgcheck=1

Continue reading “Install MariaDB 10 on Centos or Springdale Linux” »

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Install VirtualBox legacy version 5.x on CentOS 7

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Install Dependencies

Install Extra Packages for Enterprise Linux (EPEL)

# sudo yum install epel-release wget -y

Install Dynamic Kernel Module Support (DKMS)

# sudo yum --enablerepo=epel install dkms -y

This will install quite a few packages:

Install Development Tools

# sudo yum groupinstall "Development Tools" -y

Continue reading “Install VirtualBox legacy version 5.x on CentOS 7” »

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How to Disable Network Manager on CentOS 7

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1. To disable the Network Manager service, perform the following steps:

Disable Network Manager with the following commands:

CentOS 6, CloudLinux 6, Red Hat Enterprise Linux 6 (RHEL), or Amazon Linux:

service NetworkManager stop
chkconfig NetworkManager off

CentOS 7, CloudLinux 7, or RHEL 7:

systemctl stop NetworkManager
systemctl disable NetworkManager

2. Change to the /etc/sysconfig/network-scripts directory.

3. Open the ifcfg-eth0 and ifcfg-lo files with your preferred text editor and, if they exist, set the following keys’ Continue reading “How to Disable Network Manager on CentOS 7” »

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Install SmokePing on CentOS 7

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This tutorial explains how to install Tobias Oetiker’s Smokeping into /opt/smokeping on a CentOS 7 box.

Features of Smokeping:
– Best of breed latency visualisation.
– Interactive graph explorer.
– Wide range of latency measurement plugins.
– Master/Slave System for distributed measurement.
– Highly configurable alerting system.
– Live Latency Charts with the most ‘interesting’ graphs.
– Free and open-source Software written in Perl written by Tobi Oetiker, the creator of MRTG and RRDtool Continue reading “Install SmokePing on CentOS 7” »

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