What Do the Colors in ls Output Mean? A Practical Guide
Blue is a directory, green is executable, red means broken or compressed. Here is the full color code for GNU ls, plus a two-minute way to prove each one to yourself.
Lynxbee topic
Linux Host, Ubuntu, SysAdmin
Mount Google Drive on Ubuntu and Sync Data Using Rsync
To mount Google Drive on Ubuntu Linux and sync local data to a Google Drive folder using … Read more
Upgrade Ubuntu Server or Desktop from the Command Line
Upgrading your Ubuntu installation upgrades system packages, kernel versions, and security patches to the next release. The canonical tool for performing version upgrades from the terminal is do-release-upgrade , which safely updates package repositories, handles dependencies, and cleans up obsolet
Create a Bootable USB Pen Drive for Installing Ubuntu
Creating a bootable USB pen drive is a crucial step for installing Ubuntu on your computer. This … Read more
Disable the Terminal Bell Sound in Ubuntu and GNOME Terminal
When pressing Tab for command completion or hitting Backspace at the start of a prompt line, Ubuntu's terminal triggers an audible system bell sound. You can silence this bell alert in GNOME Terminal or globally across bash sessions.
How to install the latest cmake version on Ubuntu ?
CMake is a widely used build system that helps automate the compilation process for software projects. Keeping … Read more
How to create SSH Keys in Ubuntu / Linux ?
SSH (Secure Shell) keys are a secure and convenient way to authenticate to remote servers without the … Read more
How to Switch Between Multiple Java Versions On Ubuntu Linux ?
If you have installed multiple JDK on ubuntu and sometimes you might need to change the version … Read more
How to Install 7Zip on Ubuntu Linux ?
7-Zip is a file archiver with a high compression ratio. Using 7 zip we can compress the directory … Read more
How to Compress files using 7z in Linux ?
7-Zip is a file archiver with a high compression ratio. Using 7 zip we can compress the directory … Read more
Implementing Backup and Restore mechanism using BUP in Ubuntu
BUP is a program that backs things up. It’s short for “backup.” BUP is a Very efficient backup … Read more
How to disable and / or enable ICMP ping from Linux host ?
To disable the ICMP ping from certain Linux host, lets say which has IP of 192.168.0.100 use … Read more
How to Change Hostname for Ubuntu Machine ?
Recently, we wanted to change the hostname of our Ubuntu machine, Lets, check now what is current … Read more
How to check which header belongs to which package in Ubuntu ?
In Ubuntu, there is a way to identify which header file belongs to which package so if … Read more
Fix : Lost Sudo user in Linux
Add “Sudo” user If somehow you Lost a “sudo” user which happened to me today, after upgrading … Read more
Recover data / folder deleted with rm -rf
Today Accidentally I deleted one of my folder in ubuntu which has contained important files, but I … Read more
Install and update npm on Ubuntu
npm is the package manager for the Node JavaScript platform. When we used installed npm on Ubuntu … Read more
Compile JSON-C – JSON implementation in C
JSON-C implements a reference counting object model that allows you to easily construct JSON objects in C, … Read more
Play raw PCM voice/audio files using ffplay on Ubuntu
The microphones in Android or other mobile devices captures raw PCM sample with certain bit rate and … Read more
Identify IP Address’s of all devices in a network
Sometimes someone from within your network starts consuming lot of bandwidth and you just needed to identify … Read more
Install Chromium depot_tools on Ubuntu / Linux
Chromium depot_tools are the git extensions, which gives additional features. The Chromium depot_tools suite contains many git … Read more
Fix apt Stuck at 0% Connecting on Ubuntu
When apt pauses at “0% Connecting,” the last displayed address is evidence, not a diagnosis. Determine whether DNS, IPv6 routing, IPv4 routing, a proxy, TLS, a captive portal, the selected mirror, or an unsupported Ubuntu release is failing before changing system-wide address selection.
Enable and Disable Wireless / WiFi from command line
Rfkill is a tool for enabling and disabling wireless devices. We use “rfkill list” command as below … Read more
Turn ON and Turn OFF Bluetooth from command line
Rfkill is a tool for enabling and disabling wireless devices. Using “rfkill list” command we first check … Read more