How To Install Transmission on CentOS 6

Install Transmission on CentOS 6

In this tutorial, we will show you how to install and configuration of Transmission on your CentOS 6 server. For those of you who didn’t know, the Transmission BitTorrent Client features a simple interface on top of a cross-platform back-end. Transmission is licensed as free software under the terms of the GNU General Public License (GPL), with parts under the MIT License. Transmission, like any other BitTorrent client, allows users to download files from the Internet and upload their own files or torrents. By grabbing items and adding them to the interface, users can create queues of files to be downloaded and uploaded.

This article assumes you have at least basic knowledge of Linux, know how to use the shell, and most importantly, you host your site on your own VPS. The installation is quite simple. I will show you the step-by-step installation of Transmission on CentOS 6.


  • A server running one of the following operating systems: CentOS 6.
  • It’s recommended that you use a fresh OS install to prevent any potential issues.
  • SSH access to the server (or just open Terminal if you’re on a desktop).
  • A non-root sudo user or access to the root user. We recommend acting as a non-root sudo user, however, as you can harm your system if you’re not careful when acting as the root.

Install Transmission on CentOS 6

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

## RHEL/CentOS 6 64-Bit ##
# wget http://download.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm
# rpm -ivh epel-release-6-8.noarch.rpm

## RHEL/CentOS 6 32-Bit ##
# wget http://download.fedoraproject.org/pub/epel/6/i386/epel-release-6-8.noarch.rpm
# rpm -ivh epel-release-6-8.noarch.rpm

Step 2. Install Transmission.

yum -y upgrade
yum -y install transmission transmission-daemon

Step 3. Configure Transmission.

Edit the settings.json file.

#find / -name settings.json
#nano /var/lib/transmission/.config/transmission/settings.json

"rpc-authentication-required": true,
"rpc-enabled": true,
"rpc-password": "mypassword",
"rpc-username": "mysuperlogin",
"rpc-whitelist-enabled": false,

Step 4. Start Transmission

service transmission start

Installing Transmission from the source

Step 1. Install dependencies and some tools we will use.

yum -y install openssl-devel curl-devel intltool gettext wget nano

Step 2. Install libevent 2.0 dependency.

Run the following command below to install it:

cd /usr/src
wget https://github.com/downloads/libevent/libevent/libevent-2.0.21-stable.tar.gz
tar zxvf libevent-2.0.21-stable.tar.gz
cd libevent-2.0.21-stable
./configure --prefix=/opt/libevent
make install

Step 3. Get and unpack Transmission.

wget https://transmission.cachefly.net/transmission-2.84.tar.xz
tar xvf transmission-2.84.tar.xz
cd transmission-2.84
export PKG_CONFIG_PATH=/opt/libevent/lib/pkgconfig
./configure --prefix=/opt/transmission
make install

Step 4. Now we run it once to create the settings.json in ~ (home directory)


Step 5. Kill the appending -HUP to force dump the settings.

killall -HUP transmission-daemon

Step 6. OK now let’s edit the settings (to your liking) and don’t forget to save them.

#cd ~
#nano .config/transmission-daemon/settings.json

"rpc-authentication-required": true,
"rpc-enabled": true,
"rpc-password": "mypassword",
"rpc-username": "mysuperlogin",
"rpc-whitelist-enabled": false,

Step 7. Finally, re-run transmission daemon. It only needs to be run once and then you can access the web interface on the port you set up.


Step 8. Accessing Transmission.

The transmission will be available on HTTP port 9091 by default. Open your favorite browser and navigate to http://yourdomain.com:9091 or http://your-server-ip:9091. You should be greeted with the Transmission WebUI. After logging in, you will notice that the value for the RPC-password inside the settings.json file will be hashed. If you are using a firewall, please open port 80 to enable access to the control panel.

You have successfully installed Transmission! Now, run the following command to view Transmission’s help guide:

transmissioncli -h

Congratulations! You have successfully installed Transmission. Thanks for using this tutorial for installing the Transmission BitTorrent Client on CentOS 6 system. For additional help or useful information, we recommend you to check the official Transmission website.

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r00t is a seasoned Linux system administrator with a wealth of experience in the field. Known for his contributions to idroot.us, r00t has authored numerous tutorials and guides, helping users navigate the complexities of Linux systems. His expertise spans across various Linux distributions, including Ubuntu, CentOS, and Debian. r00t's work is characterized by his ability to simplify complex concepts, making Linux more accessible to users of all skill levels. His dedication to the Linux community and his commitment to sharing knowledge makes him a respected figure in the field.
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