RHCSA on RHEL 7

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RHCSA on RHEL 7

Redhat Certified Systems Administrator on CentOS 7 or Redhat 7

9. Package Management - RHEL 7

Using YUM command Using RPM Command

Setting up your RHCSA Lab

RHCSA on RHEL 7

Setting up your RHCSA Lab

Introduction Setting up a lab to study for your RHCSA or your RHCE is very important step in learning at your own pace and ultimately passing the exam. Most of us uses windows laptops or workstations to browse website and emails etc but we can also use our windows box

RHCSA on RHEL 7

8. Deploy, configure, and maintain systems - RHEL7

Configure networking and hostname resolution statically or dynamically Schedule tasks using at and cron Start and stop services and configure services to start automatically at boot Configure systems to boot into a specific target automatically Install Red Hat Enterprise Linux systems as virtual guests Configure systems to launch virtual machines

7. Manage security - RHEL 7

Configure firewall settings using firewall-config, firewall-cmd, or iptables Configure key-based authentication for SSH Set enforcing and permissive modes for SELinux List and identify SELinux file and process context Restore default file contexts Use boolean settings to modify system SELinux settings Diagnose and address routine SELinux policy violations

6. Manage users and groups - RHEL 7

6. Manage users and groups - RHEL 7

Create, delete, and modify local user accounts There are three different types of user accounts: 1. root 2. normal user account 3. system/service account Below are the commands used to manage users accounts. useradd is the command used to create a new user Examples: 1. Create user account adam

RHCSA on RHEL 7

5. Create and configure file systems

Create, mount, unmount, and use vfat, ext4, and xfs file systems Mount and unmount CIFS and NFS network file systems Extend existing logical volumes Create and configure set-GID directories for collaboration Create and manage Access Control Lists (ACLs) Diagnose and correct file permission problems

4. Configure local storage

List, create, delete partitions on MBR and GPT disks Create and remove physical volumes, assign physical volumes to volume groups, and create and delete logical volumes Configure systems to mount file systems at boot by Universally Unique ID (UUID) or label Add new partitions and logical volumes, and swap to

RHCSA on RHEL 7

3. Operate running systems

Boot, reboot, and shut down a system normally Boot systems into different targets manually Interrupt the boot process in order to gain access to a system Identify CPU/memory intensive processes, adjust process priority with renice, and kill processes Locate and interpret system log files and journals Access a virtual

2.Understand and use essential tools - RHEL7

Access a shell prompt & issue commands with correct syntax. STEP 1 Login to your Linux System use Putty console or the terminal to access the shell prompt Now, let’s check the command syntax. STEP 2 To issue commands with the correct syntax always consult the man command for the

RHCSA on RHEL 7

1. About RHCSA EXAM – EX200 RHEL7

Exam Certification Name: Red Hat Certified System Administrator (RHCSA) exam Code: EX200 Duration: 2.5 hours Exam Type: Performance-Based Cost: varies by region Prerequisites: Redhat Training or Comparable Experience. Main Objectives Covered: Understand and use essential tools Operate running systems Configure local storage Create and configure file systems Deploy, configure,