Category: RHCE 7 Study Guide

This tutorial explains Chattr command append (a) and immutable (i) attributes in detail with arguments and operation (read, copy, append, move, hard link & soft link). Learn how to delete a file secured with i attribute, remove a attribute, set/unset/list Read More …

This tutorial explains how Umask permissions, settings and values are defined through (login shell & non-login) in detail. Learn how to change default umask settings (777, 755, 644, 0222, etc.) globally (for all users), locally (for individual user) temporarily and Read More …

This tutorial explains chmod command symbolic notation (r, w, x, a) and octal notation (0, 1, 2, 4) in detail with chmod command arguments and options. Learn how chmod command is used to manage Linux permission levels (user, group and Read More …

This tutorial explains how to configure Squid Proxy server in Linux step by step with practical example. Learn how to use Squid proxy server to allow or deny hosts to access the internet, control what users can access from internet Read More …

This tutorial explains Linux permission levels (owner, group & other) and permission types (read, write & execute) in detail with examples including how to change the ownership of file and directory (with chown and chgrop command) and read the applied Read More …

This tutorial explains how to configure DNS server in RedHat Linux step by step with practical example. Learn how to configure DNS Server (Master, Slave, Caching-only and Forwarding-only), DNS Zone (Forward and Reverse), DNS lookup, Chroot DNS environment and DNS Read More …

This tutorial explains how to configure disk quota in Linux step by step with practical examples. Learn basic concepts of disk quota (Soft limit, Hard limit, Grace period, Block Size and Inode Number) and Linux disk quota management commands (quotacheck, Read More …

This tutorial explains how to configure Printer Server in Linux step by step with practical examples. Learn how to install, configure, share, test and use printer in Linux including a basic overview of CUPS (Common UNIX Printing System) and IPP Read More …

This tutorial explains how to view, list, create, add, remove, delete, resize, format, mount and configure RAID Levels (0, 1 and 5) in Linux step by step with practical examples. Learn basic concepts of software RAID (Chunk, Mirroring, Striping and Read More …

This tutorial explains how to view, list, create, add, remove, format, mount, resize and delete Physical Volume, Volume Group and Logical Volumes in Linux step by step with practical examples. Learn fundamental and basic concepts of LVM, LVM management and Read More …

This tutorial explains how to configure VNC Server and VNC client in Linux step by step with examples. VNC Server and Client are used to share and access desktop from remote system for troubleshooting. Learn how to share Desktop through Read More …

This tutorial explains the basic usages of tar command in Linux with practical examples. Learn how to create an archive file, list the contents of tarball and extract the archived file in current directory or in specified directory. The tar Read More …

This tutorial explains how to view, list, activate, deactivate, add, remove, increase, decrease mount and format swap space and swap partition in Linux step by step with practical examples. Learn essential swap space management tasks including what swap space is Read More …

This tutorial explains linux alias command with syntax and options in details including how to list, set, add, remove, create and delete alias in Linux temporary and permanently step by step with practical examples. Learn how to customize the Linux Read More …

Learn how to create, list, format, mount (temporary and permanent), remove and delete MBR & GPT partitions step by step in detail. This tutorial explains how to manage MBR disk partition (Primary, Extended and Logical) and GPT disk partition in Read More …

This tutorial explains how to manage GPT disk partitions and convert MBR disk in GPT disk from gdisk command in detail. Learn how to create, list, format, mount (temporary and permanent), remove and delete GPT partitions in Linux step by Read More …

This tutorial explains how to configure Apache Web Server in Linux step by step with practical examples. Learn how to configure virtual hosts, configure user’s home directory as web root, change document root, deploy a basic CGI application and allow Read More …

This tutorial explains how to manage MBR disk partition (Primary, Extended and Logical) and GPT disk partition in Linux from fdisk command with practical examples. Learn how to create, list, format, mount (temporary and permanent), remove and delete MBR & Read More …