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Linux VIM Editor Show & Hide Line Numbers

Linux, SSH / CLIBy Chris Silvey October 13, 2022 Leave a comment

In this article, I will show you how to quickly show and hide the Linux VIM file editor line numbers. Show line numbers while using the Vim Editor First, let’s open a file using the vim command. In this example, I will open the php.ini file located at /etc/php.ini Next, let’s show the line numbers…

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Centos 7 Display SSH Welcome Banner Message

Linux, SSH / CLIBy Chris Silvey March 14, 2019 10 Comments

In this short tutorial, I will show you how to display a ssh welcome banner that will show once a user successfully logs into your server/computer. I will also show you how to create a message once the connection is first established and before the user enters their password. Why would I want to do…

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Centos 7 Bond Two Nic Interfaces and Firewalld

LinuxBy Chris Silvey March 8, 2019 Leave a comment

In this post, I will show you how to bond two NIC interfaces together on Centos 7 using the bond 5 mode option while using a single static IP. I’m also assuming you have firewalld configured in this tutorial which is why I have included the zone definitions below. I have chosen the bond 5…

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Check for Centos 7 Server Errors

LinuxBy Chris Silvey March 8, 2019 Leave a comment

In this brief post, I will show you how to quickly check for kernel errors on Centos 7. Simply type the following command: If you have any logged errors you may receive an output similar to this one. To get a list of all errors you could do something like this: To get a more…

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How to disable SELinux without restart?

LinuxBy Chris Silvey March 8, 2019 Leave a comment

In this post I will show you how to easily disable SELinux without having to reboot your Centos environment. In other words, we will be changing the mode from enforcing to permissive. To check if SELinux is enabled and the configurations of SELinux you can simply type the following: You should see something like this:…

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