#SSH CONFIG EDITOR FOR FREE#

# To enable debugging mode remove '#' from the following line # * Edit the file to set certain parameters # * Check whether a /etc/ssh/sshd_config file exists # It's not production ready and only used for training purposes. # This script sets certain parameters in /etc/ssh/sshd_config. So here is the script, followed by an explanation: #!/bin/bash I chose the following method because I believe it follows the 'keep it simple' principle and has a pretty robust solution.

There are different sysadmins with root access to these hosts.

The hosts belong to different departments and teams.

The current content of that file on the different hosts is unknown.

The hosts use OpenSSH for their SSH service, and the configuration file is /etc/ssh/sshd_config.

The task at hand is to make sure the following four keyword argument pairs are used in any /etc/ssh/sshd_config on all Linux systems in the infrastructure: PermitRootLogin no Also, using a script makes sure the same parameters with the same values are set in the same way on every host where the script runs. For one, you only need to specify your parameters once and can reuse the script to set them on any host where you want them.

Using a script is a form of configuration as code and offers several advantages. These mistakes could have a severe impact on your production environment. There's always the risk of making a typo or forgetting to set a parameter. Manually editing the /etc/ssh/sshd_config using an editor multiple times on multiple systems is prone to errors. Linux system administration skills assessment.A guide to installing applications on Linux.

#SSH CONFIG EDITOR FOR FREE#

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Ssh config editor