Quantcast
Channel: Free Linux Tutorials
Browsing index pages (83 articles)

Image may be NSFW.
Clik here to view.

Installing Turing Smart Screen on Ubuntu Linux

Someone gave me this old turing smart screen 3.5 mini display which can use as a system monitor to display hardware information like CPU,RAM,Network’s upload and download, GPU, Disk space etc....

View Article


Top 10 Commands to Troubleshoot Bluetooth USB Adapter on Linux

There are few ways to find if your Bluetooth adapter is installed or not detected by the system. This was tested on Ubuntu Linux 22 and I use an unbranded Cambridge Silicon Radio Bluetooth clone USB...

View Article


Secure Cron Permissions and Ownerships for Ubuntu Linux

Cron is a job scheduler tool used to schedule commands, jobs or scripts for automatic execution at specific interval, fixed times or dates. Enable or start cron service systemctl –now enable cron To...

View Article

Image may be NSFW.
Clik here to view.

Run Android Apps on Linux Part 2 : Install Genymotion and Google Playstore on...

1.Run package updates and repositories sudo apt update 2. Install Virtualbox sudo apt install virtualbox Sample Output: tux@FreeLinux:~$ sudo apt install virtualbox Reading package lists… Done Building...

View Article

Image may be NSFW.
Clik here to view.

Run Android Apps on Linux : Install Anbox and Google Playstore on Ubuntu

If you come from Windows and you are used to running Android emulators like Bluestacks, don’t worry Linux has a lot of ways to run Android apps, one way is using Anbox. Android in a Box or “Anbox” as...

View Article


Image may be NSFW.
Clik here to view.

Installation and Configuration of Conky and Conky-Manager on Ubuntu Linux

Conky is a free desktop system monitor for X Window System for Linux and highly configurable to display system information like CPU, memory, disk and network utilization. 1.Install the package “conky”...

View Article

Image may be NSFW.
Clik here to view.

Quick Tip: Install Sticky Notes on Ubuntu 20.04 Linux

There are few sticky notes apps that you can install and use for Ubuntu desktop. One of the popular option is the Indicator Sticky Notes Here’s how to install it using PPA repository. When you add the...

View Article

Image may be NSFW.
Clik here to view.

Installing Wine on Ubuntu Linux

Wine is a free and open-source compatibility layer that allows you to run Microsoft Windows applications on Unix-like operating systems such as Linux. It is originally an acronym for “Wine Is Not an...

View Article


Image may be NSFW.
Clik here to view.

Configuring Ubuntu Linux for an Ultrawide 21:9 Screen

  Monitor Specifications: Screen size: 34-inch Aspect ratio: 21:9 Resolution: 3440 x 1440 Refresh Rate: 100Hz Response time: 1ms xrandr tux@FreeLinux:~$ xrandr -q –verbose Screen 0: minimum 8 x 8,...

View Article


Image may be NSFW.
Clik here to view.

Cool and Fun Linux Terminal Commands

If you are bored and want to spice up while working on Linux terminal, you can try the following commands and get amused. 1. aafire – Fire in  your terminal Installation: Ubuntu/Debian Linux: sudo apt...

View Article

Image may be NSFW.
Clik here to view.

Configure Automatic Software Updates on Ubuntu Linux

It is recommended that a patch management system is maintained and configured. Verify that the system’s package repositories are configured. sudo apt-cache policy Sample Output: tux@freelinux:~$ sudo...

View Article

Image may be NSFW.
Clik here to view.

Ubuntu Linux Recommended Filesystem Configuration

Here’s the following recommendation for filesystem and directories configuration. It will be easier to do it during the initial OS installation but if need to repartition the existing system, it is...

View Article

Image may be NSFW.
Clik here to view.

Nftables Recommended Configuration on Redhat or CentOS Linux

Nftables is the replacement for iptables, ebtables and arptables. It is a subsystem of Linux kernel providing filtering and classification of network packets,datagrams or frames. Some key things to...

View Article


Image may be NSFW.
Clik here to view.

Ip6tables Firewall Recommended Configuration on Redhat or CentOS Linux

Ip6tables is a firewall utility that uses policy chains to allow or block traffic.  It can configure IPv6 tables, chains or rules provided by the Linux kernel firewall. Some key things to consider: 1....

View Article

Image may be NSFW.
Clik here to view.

Iptables Firewall Recommended Configuration on Redhat or CentOS Linux

Iptables is a firewall utility that uses policy chains to allow or block traffic.  It can configure IPv4 tables, chains or rules provided by the Linux kernel firewall. Some key things to consider: 1....

View Article


Image may be NSFW.
Clik here to view.

Uncomplicated Firewall (UFW) Recommended Configuration on Redhat or CentOS Linux

Uncomplicated Firewall (UFW) -frontend for iptables and is a program for managing a netfilter firewall. Some key things to consider: 1. Installation: dnf install epel-release -y dnf install ufw -y 2....

View Article

Image may be NSFW.
Clik here to view.

Top 20 Recommended SSH Configuration on Redhat or CentOS Linux

Secure Shell or SSH is a cryptographic network protocol used to securely log or access to remote systems. The most popular tool is the OpenSSH which provides a large suite of secure tunneling...

View Article


Image may be NSFW.
Clik here to view.

Auditd Recommended Configuration on Redhat or CentOS Linux for System Auditing

Here’s how to install the program “auditd” and best security practice and  recommended settings for system auditing. 1.Install the auditd a. Verify if the package is installed or not, using the rpm...

View Article

Image may be NSFW.
Clik here to view.

Top 3 Service Clients to remove for Securing Redhat or CentOS Linux

As part of Best Security Practices, it is recommended to remove service clients that are not required for normal operation to reduce local attack. Here are the following programs or clients that need...

View Article

Image may be NSFW.
Clik here to view.

Top 15 Services to Remove for Securing Redhat or CentOS Linux

As part of the Best Security Practices, it is recommended to disable all services that are not required for normal operation to prevent the vulnerabilities exploitation of these services for Redhat...

View Article
Browsing index pages (83 articles)


Latest Images