How To Install SVN Server on AlmaLinux 9

In this guide, we want to teach you How To Install and Configure SVN (Subversion) Server on AlmaLinux 9.

Apache Subversion (SVN) is a free, open-source version control system that operates according to the client/server model.

An SVN server is usually installed on a central computer and it manages the data of the SVN repository in a database. An SVN repository is simply a directory tree that contains your CODESYS project. The SVN server makes client access available to the stored data and the CODESYS projects.

The project data is available as a working copy on your workstation computer, which acts as the client. When you open your project, CODESYS SVN displays the SVN status of all objects in the object tree and provides SVN commands. Then you can further develop your project in CODESYS using version control.

Steps To Install and Configure an SVN Server on AlmaLinux 9

To complete this guide, you must log in to your server as a non-root user with sudo privileges and set up a basic firewall. To do this, you can follow our guide on Initial Server Setup with AlmaLinux 9.

Install Subversion (SVN) on AlmaLinux 9

First, you need to update your local package index with the following command:

sudo dnf update -y

Then, install the Epel release repository on AlmaLinux 9 with the command below:

sudo dnf install epel-release -y

Now you can use the following command to install SVN on your server:

sudo dnf install subversion mod_dav_svn httpd -y

Configure SVN on AlmaLinux 9

The SVN module package will create an Apache configuration file. You need to make some configuration changes to it. Open the file with your favorite text editor, here we use vi:

sudo vi /etc/httpd/conf.d/subversion.conf

Add the following contents to the file:

<Location /svn>
   DAV svn
   SVNParentPath /var/www/svn
   AuthType Basic
   AuthName "Apache SVN Repositories"
   AuthUserFile /etc/svn/svn-auth
   Require valid-user
</Location>

When you are done, save and close the file.

Next, you need to create SVN directories on AlmaLinux 9 with the command below:

sudo mkdir /var/www/svn /etc/svn/

Switch to the directory with the following command:

cd /var/www/svn

Create SVN Repository

At this point, you can create an SVN repository with the following command, here we named it myrepo, you can choose your own name:

sudo svnadmin create myrepo

Then, set the correct permissions for it:

sudo chown -R apache.apache myrepo

Create SVN HTTP Access Authentication File

Here you need to create an SVN HTTP access authentication file on AlmaLinux 9 with the command below:

sudo touch /etc/svn/svn-auth

Add your first SVN user in the SVN authentication file, here we named it orca:

sudo htpasswd -cm /etc/svn/svn-auth orca

In your output you will see:

Output
New password:
Re-type new password:
Adding password for user orca

You can add more SVN users on AlmaLinux 9 with the command below:

 sudo htpasswd -m /etc/svn/svn-auth user

Now set the correct permissions for the SVN authentication file with the following commands:

$ sudo chown root:apache /etc/svn/svn-auth
$ sudo chmod 640 /etc/svn/svn-auth

Next, you need to enable and restart your httpd service with the following commands:

$ sudo systemctl enable --now httpd 
$ sudo systemctl restart httpd

Configure Firewall

We assumed that you enabled firewalld at the beginning of the article. Now you need to open the HTTP port through the firewall with the command below:

sudo firewall-cmd --add-service=http --permanent

Then, reload the firewall to apply the new rules:

sudo firewall-cmd --reload

Access SVN Repository

At this point, you can access the SVN repo by typing your server’s IP address in your web browser followed by /svn/myrepo:

http://server_ip_or_hostname/svn/myrepo

You should enter your username and password that you have defined before to access the SVN repo.

That’s it, you are done.

Conclusion

At this point, you have learned to Install and Configure SVN Server on AlmaLinux 9.

Hope you enjoy it.

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