How to Run Multiple Commands in Linux
Hey there! If you’ve spent any time with Linux, you know the command line is where the magic happens. But do you ever feel like you’re stuck in a slow-motion loop? You type a command, hit Enter, wait for it…
Category Linux
Pro tips: Shut Down and Reboot Linux Systems From the Terminal
Overview Linux is quite a robust operating system and, as such, Linux servers rarely need to be rebooted. However, sometimes there are reasons we do need to reboot our system. For example, if we’re running Linux on our personal computer,…
Testing Remote Port Status in Linux Using Shell Commands
Ever wondered if a remote port is open or closed on a remote Linux system? Linux provides us with a straightforward solution right at our fingertips: shell commands. In this article, we’ll explore a simple yet effective method to test…
How to Add a User to Multiple Groups in Linux
Adding a user to multiple groups in Linux can be done using the usermod command. Here’s a step-by-step guide: using usermod Command to add a user to Multiple Groups To add a user to multiple groups, use the -G option…
5 ways to Extract substrings in Linux
In Linux, you can manipulate strings using various commands and tools. To subtract or extract parts of a string, you might use tools like cut, awk, or string manipulation in scripting languages like Bash or Python. Extract Characters or Substrings…
2 ways to force the user to change password at Next Login in Linux
In Linux systems, ensuring strong security measures is paramount, and periodically updating passwords is a crucial aspect of maintaining system integrity. There are situations in Linux where it’s necessary to compel users to change their passwords. This can be vital…
Solution for “Your account has expired” in Linux
In Linux systems, user accounts can expire based on password expiration, account expiration dates, or inactivity policies. When an account expires, you may encounter login failures and restricted access to system resources. What Does “Account Expired” Mean? An expired account…
How to make Linux user password never expire
To ensure a user’s password never expires in Linux, leverage the chage command—a tool specifically designed for altering user password expiration settings. As a root user, execute the following command: Replace <username> in the command with the actual username. Breaking…
Quick Guide to Fix SSL: SSLV3_ALERT_CERTIFICATE_EXPIRED error in Python
The SSL: SSLV3_ALERT_CERTIFICATE_EXPIRED error suggests that the SSL certificate used by the server you’re trying to connect to has expired. The best and most secure solution is to update the expired certificate with a new, valid one. This usually involves…
How to Find Subnet Mask in Linux
A subnet, or subnetwork, is a logical subdivision of an IP network. It’s essentially a smaller network within a larger network, created by dividing the network address space into smaller segments. This division is achieved through a process called subnetting.…