How to change your forgotten root password on CentOS 7
I’m not used to forget things, especially important ones, such as passwords. But unfortunately, such things can happen to anyone...
Linux Documentation: Locating, Accessing, and Using it
We often have to find a solution to a Linux problem quickly – if we do not have access to...
Linux files: changing the attributes with the chattr command
Linux file systems support some additional attributes for files, attributes that can be assigned or changed using the chattr command....
Managing Links in Linux – ln Command
In Linux, a link is a way to assign multiple identities to a file, similar to Windows shortcuts. There are...
Manipulate files in Linux: rm command
The rm command (abridged from remove) deletes a file or a directory. The syntax of this command is simple: rm...
Useradd command – adding users to Linux
How often we add new users to a Linux system depends on the nature of the system we use: it...
Userdel command – deleting accounts in Linux
Deleting Linux user accounts is easy. Use the userdel command to delete that user’s entry from the /etc/passwd and /etc/shadow...
Installing and setting up Grafana in CentOS 7
Grafana is a time series analytics tool to measure and visualize a whole array of metrics. The most common usage...
How to install Prometheus in CentOS 7
Prometheus is a server monitoring service. It collects metrics (values) from configured target servers at certain preset intervals, evaluates certain...
How to install and use Htop – a process monitoring application on a Linux system
Htop is an interactive and dynamic application for real-time process monitoring on Linux/Unix systems, being the alternative to the familiar...
14 essential actions after installing Xubuntu 16.04 Xenial Xerus LTS
I installed Ubuntu minimal 16.04 Daily Build and I selected the Xubuntu Minimal Installation option. The personalization of Xubuntu 16.04...
Initial settings of a CentOS 7 VPS server
The basic settings of a VPS server with CentOS 7 are similar to those in Ubuntu. The steps below will...
