How To Identify Operating System Using TTL Value And Ping Command
Did you know that we can identify which operating system is running on a remote system by simply pinging it? Yes! In this brief guide, we will see how to …
How To Auto Logout Inactive Users After A Period Of Time In Linux
This brief tutorial explains three different ways to auto logout inactive users after a particular period of time in Linux and Unix-like systems. Picture this scenario. You are managing a …
How to use htmlq to extract content from HTML files on Linux, macOS or FreeBSD
Most of us use love and use the jq command. It works on Linux or Unix-like systems to extract data from JSON documents. Recently I found htmlq, which is like …
FreeBSD bhyve, OpenSSL, GEOM & libfetch security fixes released
All supported versions of FreeBSD are affected by various security bugs that need to be applied ASAP. For example, a memory corruption bug exists in the bhyve hypervisor. Another overwrite …
Create Bootable USB Drive With Ventoy WebUI In Linux
Creating single boot or multiboot USB devices with Ventoy is incredibly easy! With Ventoy graphical user interface, it is now even easier than ever. Starting from version 1.0.36, Ventoy bootable …
How to find and replace ALL IP addresses with a new one
At a certain point, I needed to change the VLAN IP address such as 172.0.0.2 with 172.0.0.1 for ease of use. As you know, Linux and Unix-like operating system stores …
How to define multiple when conditions in Ansible
Sometimes we need to evaluate multiple when conditions in Ansible playbooks. Let us see how to define multiple when conditions in Ansible for a single task. The post How to …
How to copy and transfer files remotely on Linux using scp and rsync
In Linux, how do I copy and transfer files remotely between two Linux machines? What command do I need to use to transfer files between Unix/macOS and Linux computers securely? …
How to convert man page to HTML on Linux and Unix
We can easily convert all Linux man pages to HTML, text, or pdf format. To display online manual documentation pages in terminal on Linux, macOS, *BSD, and Unix-like systems, we …
Copy A File To Multiple Directories From Command Line On Linux
In this brief guide, we will discuss how to copy a file to multiple directories from command line using tee and find commands on Linux. The other day I wanted …