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Free RedHat Certified Engineer (RHCE), GNU/Linux tutorials

Lesson 01 - UNIX History

Lesson 02 - GNU/Linux Introduction

Lesson 03 - GNU/Linux Concepts

Lesson 04 - Difference between Fedora and RedHat Enterprise Linux

Lesson 05 - Major GNU/Linux Distributions

Lesson 06 - GNU/Linux Kernel and Shell

Lesson 07 - GNU/Linux File System

Lesson 08 - What is inode number?

Lesson 09 - GNU/Linux File System Hierarchy

Lesson 10 - GRUB (GNU GRand Unified Boot loader)

Lesson 11 - Working with grub.conf configuration file

Lesson 12 - How to password protect GRUB (GNU GRand Unified Boot loader)

Lesson 13 - Linux Rescue Mode (Linux Rescue Environment)

Lesson 14 - init process and Linux runlevels

Lesson 15 - inittab configuration file

Lesson 16 - Working with inittab configuration file

Lesson 17 - inittab format

Lesson 18 - Creating and editing text files using vi editor

Lesson 19 - Linux File System Management Tools - fdisk command

Lesson 20 - Linux File System Management Tools - mkfs, mkfs.ext2, mkfs.ext3 commands

Lesson 21 - What is file system journaling?

Lesson 22 - Linux File System Management Tools - fsck command

Lesson 23 - Introduction to Linux /etc/fstab file

Lesson 24 - Linux mount and umount commands

Lesson 25 - Linux mount options

Lesson 26 - Introduction to Bourne Again Shell (BASH)

Lesson 27 - Basic Linux commands

Lesson 28 - Introduction to Logical Volume Manager (LVM)

Lesson 29 - How to create and manage Logical Volume Manager (LVM)

Lesson 30 - Introduction to Redundant Array of inexpensive (or Independent) Disks (RAID)

Lesson 31 - How to create and manage Redundant Array of Inexpensive Disks (RAID)

Lesson 32 - Introduction to swap space

Lesson 33 - How to create and manage swap space

Lesson 34 - Introduction to Linux user administration

Lesson 35 - How to add a user in Linux using useradd command

Lesson 36 - How to use passwd command to manage user passwords

Lesson 37 - How to modify a Linux user using usermod command

Lesson 38 - How to set Linux password aging using chage command

Lesson 39 - How to remove user from Linux using userdel command

Lesson 40 - The Linux user database (/etc/passwd)

Lesson 41 - The Linux password database (/etc/shadow)

Lesson 42 - Introduction to Linux User Group

Lesson 43 - How to create a new group in Linux using groupadd command

Lesson 44 - Linux Group Database (/etc/group) file

Lesson 45 - How to manage Linux user group

Lesson 46 - The Linux File Permissions

Lesson 47 - How to use chmod command to change Linux file permissions

Lesson 48 - How to use chgrp command to change Linux group ownership of a file

Lesson 49 - How to use chown command to change linux user ownership of a file

Lesson 50 - Linux setuid and setgid

Lesson 51 - What is Linux umask?

Lesson 52 - What is Security-enhanced Linux (SELinux), Discretionary Access Control (DAC), Mandatory Access Control (MAC) and Role-based Access Control (RBAC)?

Lesson 53 - Security-enhanced Linux (SELinux) Security Contexts

Lesson 54 - How Security-enhanced Linux (SELinux) works

Lesson 55 - Security-enhanced Linux (SELinux) configuration-file (/etc/selinux/conf)

Lesson 56 - Security-enhanced Linux (SELinux) - Filesystem Relabeling

Lesson 57 - Important Security-enhanced Linux (SELinux) commands

Lesson 58 - Introduction to Linux Disk Quota

Lesson 59 - How to create Linux disk quota database files (aquota.group and aquota.user) using quotacheck command

Lesson 60 - How to turn on and turn off Linux disk quota using quotaon and quotaoff commands

Lesson 61 - How to manage Linux disk quota using edquota and repquota commands

Lesson 62 - Introduction to scheduling tasks using Linux cron daemon

Lesson 63 - How to schedule a task using Linux crontab (/etc/crontab) file

Lesson 64 - How to schedule tasks using Linux at command

Lesson 65 - Linux File filter commands sort wc and grep

Lesson 66 - How to compress, uncompress and view files using Linux commands gzip, gunzip and zcat

Lesson 67 - How to compress uncompress view files using Linux commands bzip2 bunzip2 and bzcat

Lesson 68 - How to use Linux tar (tape archive) command to create archives

Lesson 69 - Introduction to RedHat Package Manager (RPM)

Lesson 70 - Introduction to YUM (Yellow dog Updater, Modified) Package Manager

Lesson 71 - Common Linux network tools - ping, telnet, netstat and arp

Lesson 72 - Linux xinetd Super Server daemon

Lesson 73 - Linux Network Interface Configuration tool - ifconfig

Lesson 74 - Important Linux network configuration files

Lesson 75 - How to configure Dynamic Host Configuration Protocol (DHCP) in Linux

Lesson 76 - Introduction to Domain Name System (DNS)

Lesson 77 - Linux Domain Name System (DNS) client configuration files /etc/hosts, /etc/nsswitch.conf and /etc/resolv.conf

Lesson 78 - Berkeley Internet Name Domain (BIND) as a DNS server

Lesson 79 - How to configure caching-only name server

Lesson 80 - BIND configuration file (/etc/named.conf)

Lesson 81 - Domain Name System (DNS) zone files

Lesson 82 - RNDC (Remote Name Daemon Control)

Lesson 83 - Introduction to Secure Shell and OpenSSH

Lesson 84 - Important OpenSSH client tools - scp, sftp, ssh, ssh-keygen, ssh-copy-id, slogin

Lesson 85 - OpenSSH Configuration Files

Lesson 86 - How to mount a remote File System using Network File System (NFS)

Lesson 87 - How to configure Very Secure File Transfer Protocol Daemon (vsFTPd)

Lesson 88 - Introduction to Network Time Protocol (NTP)

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