Today we are going to learn that how to install Puppet On Ubuntu 20.04. Puppet is an open source based upon automated admin engine to help you perform admin tasks smoothly. Puppet consists of Master & Agent used for deploying, configuring & managing the servers & perform administrative tasks. For instance, to add new users, to install different packages and many more. So, it helps the system admins to save time and automate the functions.
So, here we’ll see that how we can install Puppet on our Ubuntu system.
Step 1: Update Your System
First of all update your system to have the latest updates installed.
sudo apt update -y
Once the update finished, move towards the next step.
Step 2: Setup Hostname
Edit the /etc/hosts file on both nodes (master,client)
sudo nano /etc/hosts
Paste the below data.
puppet-master-ip puppetmaster puppet
Then save the file and exit.
Step 3: Install Puppet Server On Ubuntu
To install Puppet server on Ubuntu, you’ve to add it’s repository in Ubuntu system and then install it from there. To download the latest version of Puppet run the following command.
Once it is downloaded, install it by typing
dpkg -i puppet6-release-focal.deb
When the installation is finished, update the repo & then install the Puppet server by running.
apt update -y apt install puppetserver -y
Now, edit the file /etc/default/puppetserver & set the memory size to 1g like below:
JAVA_ARGS="-Xms1g -Xmx1g -Djruby.logger.class=com.puppetlabs.jruby_utils.jruby.Slf4jLogger"
Then, save & exit the file.
To start the Puppet services type
systemctl start puppetserver
To enable the puppet services on boot hit
systemctl enable puppetserver
Make sure that the service is in running condition.
systemctl status puppetserver Loaded: loaded (/lib/systemd/system/puppetserver.service; disabled; vendor preset: enabled) Active: active (running) since Sat 2020-09-05 09:33:55 UTC; 3s ago Process: 3673 ExecStart=/opt/puppetlabs/server/apps/puppetserver/bin/puppetserver start (code=exited, status=0/SUCCESS) Main PID: 3715 (java) Tasks: 42 (limit: 4915) Memory: 962.3M CGroup: /system.slice/puppetserver.service ??3715 /usr/bin/java -Xms2g -Xmx2g -Djruby.logger.class=com.puppetlabs.jruby_utils.jruby.Slf4jLogger -XX:OnOutOfMemoryError="kill> Dec 01 09:33:08 puppetmaster systemd: Starting puppetserver Service... Dec 01 09:33:55 puppetmaster systemd: Started puppetserver Service.
Step 4: Install & Configure Puppet Agent
To install Puppet agent on Ubuntu 20.04, you’ve to add the repository. Run the below command to do so
dpkg -i puppet6-release-focal.deb
Update the repo & install the puppet agent by typing
apt-get update -y
apt-get install puppet-agent -y
Once it is installed, edit the /etc/puppetlabs/puppet/puppet.conf file.
sudo nano /etc/puppetlabs/puppet/puppet.conf
Then paste the below content:
certname = puppetclient
server = puppetmaster
Finally run the below commands to start & enable the puppet.
systemctl start puppet
systemctl enable puppet
Fire the below command to verify the status of Puppet.
systemctl status puppet puppet.service - Puppet agent Loaded: loaded (/lib/systemd/system/puppet.service; enabled; vendor preset: enabled) Active: active (running) since Sat 2020-09-05 09:43:15 UTC; 22s ago Main PID: 1435 (puppet) Tasks: 2 (limit: 2353) Memory: 52.8M CGroup: /system.slice/puppet.service ??1435 /opt/puppetlabs/puppet/bin/ruby /opt/puppetlabs/puppet/bin/puppet agent --no-daemonize Dec 01 09:43:15 puppetagent systemd: Started Puppet agent.
Step 5: Sign Puppet Agent Node Certificate
Type the below command on Master node.
/opt/puppetlabs/bin/puppetserver ca list
Requested Certificates: puppetclient (SHA256) A4:9A:E9:87:8B:54:0A:4F:A0:78:65:1A:3C:99:B5:EC:31:9E:BB:4C:17:8A:50:16:E9:1E:3D:D6:27:74:89:85 puppetmaster (SHA256) E9:25:4C:51:4E:47:D7:44:11:1F:C5:A9:4E:96:D9:E8:3A:EB:A0:01:48:06:B5:EF:3F:C4:09:03:90:3E:D8:2D
Hit the below command to sign all certs.
/opt/puppetlabs/bin/puppetserver ca sign --all
Successfully signed certificate request for puppetclient
Successfully signed certificate request for puppetmaster
Verify the communication by typing
/opt/puppetlabs/bin/puppet agent --test
Info: Using configured environment 'production'
Info: Retrieving pluginfacts
Info: Retrieving plugin
Info: Retrieving locales
Info: Caching catalog for puppetclient
Info: Applying configuration version '1599300398'
Notice: Applied catalog in 0.02 seconds
So, this is how you can install puppet on Ubuntu 20.04