For some Linux users, the terminal is the most environment used for their work. It sometimes happens that you would like to do everything on your terminal such as having a UI monitoring tool for the local processes may be [...]
Alain Francois
How to Install Centreon on Centos 7 for Monitoring
For Sysadmins, it is very important to be able to check the state of each service and equipment provided on the network. You must be able to be informed and to react anytime if a problem occurs. It exists some [...]
Gtop - A Linux System Monitoring Dashboard for Terminal
When you work on Linux server or on your personal computer, you can need sometimes to monitor the different processes in progress. This can be done with some commands but the result sometimes appears with numbers without a graph on [...]
How to Install BigBlueButton on Ubuntu 16.04
There are a lot of open source web conferencing tools available these days and there are also a number of budget-friendly alternatives that still offer the same features and functions. Sometimes you can need web conferencing tools for remote collaboration, [...]
How to Monitor Hosts using Nagios NRPE on Debian 9
In our recent article we have shown how to install nagios core on Debian 9 to monitor some remote hosts's services. To do that you will need to install Nagios NRPE daemon and plugins on the remote hosts. It is a package that will [...]
Terminus - A Super Modern Terminal App for Linux
The terminal is the Linux tool which is mostly used and it sometimes appears as our default environment. We can need to tune it by modifying its appearance. So you can need to make it more attractive for you. On [...]
7 Steps to Install Nagios 4 on Debian 9
Nagios is an open source server and network monitoring tool which monitors some services (CPU, HTTP, SMTP, storage disk, temperature, etc) of your servers, network devices and alerts you when a particular service that's being monitored goes wrong. It will also [...]
Cipher - Command Line Tool to Encrypt/Decrypt Files and Directories
ss you take some security measures to protect your environment and encrypt your data. Linux offers some encryption methods and there are some tools which can help you to encrypt your data. Encryption is important when you need to communicate sensitive information [...]
15 Linux Screen Command for Dealing Terminal Sessions
The screen is a terminal multiplexer. Using this, you can run any number of console-based-applications, interactive command shells, course-based applications, etc. You can use screen to keep running program after you accidentally close the terminal, or even after you log out and [...]
How to Install "stacer" Monitoring and Optimising Tool on Linux
Stacer is a GUI based open source resource monitoring and system optimizer tool for Linux. This app has a nice looking dashboard which provides CPU, Memory, Disk and System information. The new vesrion of stacer provides additional monitoring panel for process viewing [...]
10 Lesser Known Linux Fun on Terminal with Crazy Outputs
The Linux terminal is a powerful tool for some administration tasks. It helps for troubleshooting too and ensure you a solution for a problem. As serious, it can be with some special commands, the terminal is also used for really surprising operations which [...]
15 Advanced Linux Interview Questions and Answers
Linux system administrator are users with special privileges and duties who must maintain system stable. Very useful resources are the manual pages, which should always be consulted when you are not familiar with a command. If you do not know [...]
How to Use GPG Commands to Create Public key for Secure Communication
Let us first try to understand what is encryption. Encryption is a process of embedding plain text data in such a way that it cannot be decoded by outsiders. It is necessary to encrypt data to prevent misuse. The GNU [...]