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Note: This is a critical RHCSA 7 exam objective (if you can’t take control of a VM through a reboot at the beginning of the exam, you will fail it entirely).

RHEL7: Locate and interpret system log files and journals

2 minute read

Note: This is an RHCSA 7 exam objective.

RHEL7: Install Red Hat Enterprise Linux systems as virtual guests

1 minute read

Note: This is an RHCSA 7 exam objective.

RHEL7: How to install a MariaDB/MySql service.

6 minute read

Note: This is an RHCE 7 exam objective.

RHEL7: How to install an Apache service.

1 minute read

Installation Procedure

RHEL7: How to get started with GRUB2

4 minute read

Note: This is an RHCSA 7 exam objective.

RHEL7: How to get started with Firewalld

14 minute read

Note: This is an RHCSA 7 exam objective and an RHCE 7 exam objective.

RHEL7: Extend existing unencrypted logical volumes

4 minute read

Note: This is an RHCSA 7 exam objective.

RHEL7: Deploy an Apache basic CGI application.

1 minute read

Note: This is an RHCE 7 exam objective.

RHEL7: Create a simple database schema.

3 minute read

Note: This is an RHCE 7 exam objective.

RHEL7: List, create, delete partitions on MBR and GPT disks

7 minute read

Note: This is an RHCSA 7 exam objective.

RHEL7: Configure systems to boot into a specific target automatically

less than 1 minute read

Note: This is an RHCSA 7 exam objective.

RHEL7: Configure a system to use an existing LDAP directory service for user and group information

1 minute read

Note: This is an RHCSA 7 exam objective.

RHEL7: Configure a system to forward all email to a central mail server.

4 minute read

Note: This is an RHCE 7 exam objective.

RHEL7: Configure a system to authenticate using Kerberos.

2 minute read

Note: This is an RHCE 7 exam objective.

RHEL7: Configure SSH key-based authentication

2 minute read

Note: This is an RHCSA 7 exam objective and an RHCE 7 exam objective.

RHEL7: Configure a master name server.

4 minute read

Presentation

RHEL7: Configure a system as either an iSCSI target or initiator that persistently mounts an iSCSI target.

8 minute read

Note: This is an RHCE 7 exam objective.

RHEL7: Configure IPv4 addresses and perform basic IPv4 troubleshooting

9 minute read

Note: This is an RHCSA 7 exam objective.

RHEL7: Configure a central mail server.

2 minute read

Prerequisites

RHEL7: Configure a caching-only name server.

less than 1 minute read

Note: This is an RHCE 7 exam objective.

RHEL7: Configure an Apache virtual host.

1 minute read

Note: This is an RHCE 7 exam objective.

RHEL7: Configure Apache TLS security.

4 minute read

Note: This is an RHCE 7 exam objective.

RHEL7: Configure Apache access restrictions on directories.

1 minute read

Note: This is an RHCE 7 exam objective. It has been renamed in June 2016 from “Configure private directories” to “Configure access restrictions on directorie...

RHEL7: Configure Apache group-managed content.

less than 1 minute read

Note: This is an RHCE 7 exam objective.

RHEL7: Configure aggregated network links between two RHEL systems.

less than 1 minute read

Note: This is an RHCE 7 exam objective.

RHEL7: Configure additional SSH options described in documentation.

2 minute read

Note: This is an RHCE 7 exam objective.

RHEL7: Boot systems into different targets manually

1 minute read

Note: This is an RHCSA 7 exam objective.

RHEL7: Boot, reboot, and shut down a system normally.

less than 1 minute read

Note: This is an RHCSA 7 exam objective.

RHEL7: Backup and restore a MariaDB database.

2 minute read

Note: This is an RHCE 7 exam objective.

RHEL7: Access a virtual machine’s console

2 minute read

Note: This is an RHCSA 7 exam objective.

SYS: Manage repositories.

less than 1 minute read

It is perfectly possible to point at several software repositories at the same time. To better deal with this situation, you need to use the yum repolist an...

SYS: Learn to use the yum command.

1 minute read

Presentation of yum

SYS: Learn to use the rpm command.

1 minute read

To install (-i) a new package (here httpd-2.2.15-29.el6.x86_64.rpm), type:

SYS: Configure a remote repository.

less than 1 minute read

To configure an access to a remote repository, create the /etc/yum.repos.d/remote.repo file and add the following lines:

SYS: Configure a local repository.

less than 1 minute read

Create a directory where packages will be stored:

RHEL7: Use yum transaction history.

6 minute read

Presentation

RHEL7: How to install the EPEL repository.

less than 1 minute read

Presentation

RHEL7: How to get started with Systemd.

17 minute read

Presentation

RHEL7: How to get started with package groups.

3 minute read

Presentation

RHEL7: How to get started with delta rpms.

3 minute read

Presentation

RHEL7: How to get started with CGroups.

8 minute read

General Presentation

UFW Essentials: Common Firewall Rules and Commands

6 minute read

Introduction

RHEL7: Configure network teaming between two RHEL systems.

3 minute read

Presentation

RHEL7: Configure network bonding between two RHEL systems.

3 minute read

Presentation

RHEL7: Configure a Kerberos KDC.

4 minute read

Presentation of Kerberos

Installing and Using the Vim Text Editor on a Cloud Server

7 minute read

Introduction

How To Edit the Sudoers File on Ubuntu and CentOS

12 minute read

Introduction

SSH Essentials: Working with SSH Servers, Clients, and Keys

35 minute read

Introduction

How To Create SSH Keys With PuTTY to Connect to a VPS

7 minute read

Benefits of Public & Private SSH Keys

How To Configure SSH Key-Based Authentication on a Linux Server

12 minute read

Introduction

Initial Server Setup with Ubuntu 16.04

9 minute read

Introduction

How To Set Up an OpenVPN Server on Ubuntu 16.04

26 minute read

Introduction

How To Use SFTP to Securely Transfer Files with a Remote Server

9 minute read

What is SFTP?

How To Use FileZilla to Transfer and Manage Files Securely on your VPS

5 minute read

Introduction

How To Protect SSH With Fail2Ban on CentOS 7

7 minute read

Introduction

How Fail2Ban Works to Protect Services on a Linux Server

18 minute read

Introduction

Install PHP 7 on CentOS 7 and 6

2 minute read

This guide will help you install or upgrade PHP 7 on your webserver. It involves adding fedora epel repositories so that you can use “yum” to install packag...

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