How to Install GNS3
The GNS3 is a great alternative to Cisco’s Packet tracer program and this guide offers a step-by-step guide on how to install GNS3 2.0 on Ubuntu.
How to Install and Use Ngrok
Ngrok allows you to make public or share local resources like a website on the internet. To achieve this, Ngrok generates an URL with a dynamic subdomain.
How to Use the Bash xargs Commands
The xargs is a bash command that allows the execution of multiple commands in the same line, whether the commands take parameters or arguments as input.
How to Use the Bash Cut Command
Tutorial on how to use the Bash cut command to print the selected sections of a given line and split the given line using practical examples.
Linux rmdir Command Examples for Beginners
The post Linux rmdir Command Examples for Beginners first appeared on Tecmint: Linux Howtos, Tutorials & Guides .As Linux users, we interact with the files and directories on a regular basis. One common operation users perform is removing directories f…
How to Change Ban Time Fail2ban, Even Ban Forever if Desired
Fail2ban is an open-source log parsing application that prevents your system from brute force attacks. It parses log files and blocks IP addresses.
chgrp Command in Linux
This article explains how to modify the group ownership of specific files. This is done using the chgrp command in Linux.
How Do I Create a .CRT File in Linux?
A step-by-step guide on how to create a .CRT file in Linux to generate a private key, a certificate signing request, and a certificate with the OpenSSL tool.
Understanding the Bash shuf Command
The shuf command takes input from files, randomizes the input, and gives output. It works like how you shuffle cards and pull a random output.
How to Monitor and Optimize Power Usage on Linux?
Guide on how to monitor the system resource usage with the different tools and how to optimize the power usage on a Linux system using various doable methods.
How to Resize an Online Multipath Device on Linux
Disk space on Linux can be expanded by adding a new LUN or resizing an existing LUN on the system. In most cases, the online resizing of the multipath device …
The post How to Resize an Online Multipath Device on Linux first appeared on 2DayGeek.
snmpwalk Command in Linux
Guide on using the snmpwalk command in Linux, including the definition of SNMP, the basic function of SNMP, demonstration of the snmpwalk command, and its use.
How do I Check my NIC Speed in Linux?
NIC acts as a bridge between a computer system and the network. It has an associated speed that determines the quality of your interaction with the network.
Linux Rmdir Command Examples
The rm and rmdir are built-in command line utilities that are used when you need to remove directories. The use of rmdir command in Linux is discussed here.
20 mysqladmin Commands for MYSQL/MariaDB Database Administration
The post 20 mysqladmin Commands for MYSQL/MariaDB Database Administration first appeared on Tecmint: Linux Howtos, Tutorials & Guides .mysqladmin is a command-line database administration utility that comes with MySQL/MariaDB server, which is used by D…
Sed In Place Edit File
In UNIX/Linux ecosystem, the sed command is a dedicated tool for editing streams. This guide explores in-place file editing with sed.
How to Monitor Linux Users Activity with psacct or acct Tools
The post How to Monitor Linux Users Activity with psacct or acct Tools first appeared on Tecmint: Linux Howtos, Tutorials & Guides .psacct or acct both are open source utilities for monitoring users’ activities on the Linux system. These utilitie…
Where and How are Passwords Stored on Linux
A username and password for an account are the primary requirements for accessing a Linux system. All user accounts passwords are saved in a file or database.
Linux Check If Port Is Blocked by Firewall
A guide on checking if a port is blocked by a firewall using two commands that are the “telnet” and “nc” commands to connect to desired web servers.
How To Use Zenmap Nmap GUI
A guide on a brief introduction to Nmap and Zenmap and how to install and use Zenmap, the Nmap GUI graphical interface when displaying the commands.