Linux, Ubuntu, Debian, Mint, CentOS Tutorials
Docker is supported by most Linux distributions. The installation of Docker on Linux distributions may be different according to the distributions versions. Install Docker For Ubuntu, Debian, Mint, Kali Ubuntu, Debian, Mint, and Kali all of them use very similar packages and repositories with the deb packet management system. The docker can be installed for … Read more
Linux provides different tools or command in order to search and find directories. The find command is the most popular and useful command to find directories in Linux. The find command can be used to search and find directories according to the path, name, name pattern, and related parameters. In this tutorial, we examine how … Read more
Linux strace command is used to debug and troubleshoot commands and executables by providing detailed information about the process execution. The strace command simply intercepts and records the system calls called by process or threads. Install strace Command The strace command is installed by default for some popular Linux distributions by default. But in some … Read more
apt-get install command is one of the most useful commands for the deb-based distributions. The apt is a package manager mostly used by deb-based distributions. Deb-based distributions mean distributions using the deb packages like Debian, Ubuntu, Mint, Kali, etc. The “apt-get install” command is also used as “apt install” which provides the very same features … Read more
SELinux or Security Enhanced Linux provides extra security for Linux distributions. SELinux is generally installed on enterprise Linux distributions like Ubuntu Server, RHEL, CentOS, etc., and generally enabled by default. But this case may change according to different situations. SELinux provides 3 modes called Enforcing , Permissive and Disabled . In this tutorial, we explain … Read more
RHEL and CentOS operating systems provide the SELinux security feature by default. The SELinux is enabled by default but in some cases, we may need to disable SELinux. This tutorial explains how to disable CentOS7, CentOS8, and RHEL SELinux. SELinux Modes Before disabling SELinux for CentOS we should know the SELinux modes. SELinux provides the … Read more
SELinux or Security Enhanced Linux is a Linux security module provided via the Linux kernel. The SELinux can be used to deny, and restrict the different types of access to processes, ports, networks, etc. The SELinux provides mainly access controls. SELinux is generally installed by enterprise-level Linux distributions like Ubuntu, RedHat, and CentOS and is … Read more
Linux processes access the whole root directory by default. But in some cases, some processes may be required to restrict access to only specified directories or paths. The chroot command is used to change the specified process root directory into a different and fake one. For example, if we want to restrict the bash the … Read more
Linux provides the fdisk command in order to manage disks, partitions, and file systems. The fdisk command is created for Unix and Linux systems but also ported into different operating systems like DOS, IBM OS/2, Windows *BSD, etc. In this tutorial, we examine the fdisk usage in Linux distribution to create partitions, set sector sizes, … Read more
The sed command is a stream editor used in Linux and Unix operating systems popularly. The sed command is used to search, replace, edit, insert, delete, and similar text operations for single or multiple files via command-line interface in a programmatic way. sed Command Syntax The sed command syntax is like below where OPTIONS, SCRIPT, … Read more