RHCSA 2023 Red Hat Certified System Administrator | Tech Arkit

Linux is the most popular Operating system. In this Linux Tutorial for beginners series, we will be using Red Hat Enterprise Linux 8.3 and Centos 8.4 as they are freely available. The training will required you to practice certain commands. Make sure you practice them along with the video so that you will get 100% benefit from this video.

This Linux tutorial for beginners is an absolute guide to learn Linux from scratch, fundamentals, Linux command line tools, Shell scripting, Containers, configuring few server services and many other topics.

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Video Timeline
________________________________
00:10 Course Curriculum
13:05 Introduction to Linux.
25:13 Directory structure
43:04 RHEL 8 Installation
56:46 Remote Server OS Installation
1:10:57 Booting Process
1:16:10 Subscription manager & Updating Linux packages
1:27:33 Accessing Linux Server GUI & CLI
1:41:57 Switching users in the multiuser target
1:55:00 Standard Input, Output, and Error
2:07:36 Basic Commands - cat, cd, ls, ..etc
2:46:10 Creating soft links and hard links
3:00:30 Text Editors nano & vim
3:20:00 Compressing and un-compressing files & folders
3:40:48 Getting Help from the Command Line User Interface
3:56:14 Grep command regular expressions
4:12:15 YUM Repository configuration
4:19:18 SSH Server & Client configuration
4:41:20 Configure Key-based authentication
4:45:00 NTP configuration
4:52:31 SCP | Copying files to a remote server
5:02:54 Listing and Managing Linux processes (ps and top commands)
5:20:53 File and Directory permissions
5:33:24 Creating standard Linux partitions
5:46:47 Deleting standard Linux partitions
5:47:55 Creating PVs, VGs, and LVM
6:05:01 Extend Logical Volumes non-destructively
6:15:56 Reduce LVM size - lvreduce
6:21:52 Swap Memory Explained | How to Create swap partition & extend
6:34:14 Creating Users and Groups | User Administration
7:08:59 Modify user properties | Password age
7:20:10 Deleting users and groups
7:21:34 Access control list - ACL
7:36:00 Special Linux file permissions Set-GID, Set-UID, Sticky Bit
7:43:22 Sudo access - sudoers policy
8:04:34 Linux Networking | Assign Static IP
8:24:31 Firewall Rules | Firewalld | firewall-cmd
8:39:59 SELinux - Security Enhanced Linux
9:04:11 Shell Scripts :
9:13:51 if statement
9:19:35 for loop
9:20:00 Positional parameters
9:23:00 Exit codes
9:26:26 Scheduling future tasks - crontab
9:42:05 Installing and updating packages using RPM & YUM

-------- Linux Containers Podman, Buildah, Skopeo and Runc --------
9:58:09 Find and retrieve container images from a remote registry
10:11:04 Inspect container images
10:16:32 Buildah Building the Images
10:30:34 Dockerfile | Build Buildah Images using Dockerfile
10:34:40 Attach persistent storage to a container
10:42:31 VNC Server Installation and configuration
10:53:26 NFS Server Installation and configuration
11:03:00 Autofs configuration
11:07:08 Samba Server Installation and Configuration

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[prashantmishra]

Thanks for this amazing tutorial. I am planning to attempt RHCSA. I will update you in this same thread how the exam goes.

[sumitsrivatava]

Great tutor, i started learning Linux from the channel ..
Respect ..

[PiyushKumar-joiz]

00:06 Introduction to Linux and System Administration
04:39 Updating Linux packages and changing default targets
12:58 Linux is the mediator between hardware and users.
17:08 Linux operating system is developed from the kernel by different authors and companies
24:09 Linux directory structure and its importance
27:43 Understanding essential directories for system boot and configuration
34:59 Directory Mounting and System Information
38:44 Directory Structure Overview
46:17 Setting up and installing Red Hat Linux 8 virtual machine
50:06 Setting up installation destination and configurations
57:13 Installing operating system on the server requires physical setup and remote access configuration.
1:00:42 Accessing and setting up credentials for the newly installed server.
1:07:36 Setting up the server installation process
1:11:23 Power on self-test and boot process overview
1:18:19 Using subscription manager to attach and enable repositories
1:22:09 Enable repositories using subscription manager and code ready builder
1:30:07 Accessing the server using ssh client or gui
1:33:59 Access your system from a Windows machine using PuTTY software.
1:41:08 Understanding run levels and targets in Red Hat Enterprise Linux 8.
1:44:32 Understanding run levels and targets in Linux system administration
1:52:04 Understanding system targets and systemctl usage
1:55:36 Basic workflow of Linux commands and usage of input and output
2:02:46 Redirecting standard input, output, and errors
2:06:16 Using standard input output and redirections in Linux commands
2:13:29 Understanding and verifying command usage before entering into the terminals is important.
2:17:26 Using calendar, clear, and ls commands for effective system navigation
2:23:53 Deleting files and directories using command line
2:27:23 Using 'cd' and 'time' commands for navigation and time estimation
2:34:41 Use nslookup and dig commands to verify DNS functionality.
2:38:11 Using tree, stat, and wc commands to analyze file and directory details
2:45:22 Difference between soft link and hard link
2:48:50 Difference between soft link and hard link
2:55:35 Creating and understanding soft and hard links in Linux
2:59:14 Understanding the difference between soft links and hard links on the Linux system
3:05:52 Navigation shortcuts in the nano editor
3:09:07 Nano text editor allows easy copying, pasting, cutting, and deleting of text.
3:16:09 Using shortcuts for scrolling and file saving in nano text editor
3:20:05 Understanding the difference between archiving and compressing files.
3:28:11 Difference between archive and compression
3:32:02 Extracting and compressing files using tar and gzip
3:39:30 Understanding file operations and getting help on commands
3:43:04 Linux programs can be categorized into 9 categories based on their functionality.
3:49:52 Using man command to search and view manual pages
3:53:17 Using different commands to locate and understand the status of a command
3:59:58 Using different options with grep command
4:03:53 Using grep for searching, highlighting, and counting
4:11:35 Setting up the RHEL 8 m repository requires configuring the app stream and base OS repositories in a different way than in RHEL 6/7.
4:15:36 Setting up RHCL repository for app stream and base OS
4:23:19 Establishing encrypted communication between server and client
4:26:41 Systemctl commands for managing SSHD service
4:33:44 Restricting SSH access to certain users or groups
4:38:18 Setting up SSH key-based authentication for secure server access.
4:45:41 Synchronization using NTP and configuring NTP server and clients
4:48:55 Installing and configuring crony for ntp server and client
4:57:36 Using SCP for copying files with compression and preserving timestamps.
5:01:22 Limiting bandwidth for data transfer
5:08:28 Kernel provides virtual address space for process memory.
5:11:57 Using the ps command to list processes
5:19:15 Managing process priority and real-time monitoring using ps and watch commands
5:23:01 Understanding file permissions and ownership
5:30:00 Changing file permissions and ownership using chmod and chown commands
5:33:11 Disk partitioning involves creating logical regions on a hard drive for better organization.
5:39:39 Creating and managing partitions on Linux server.
5:43:20 Creating and formatting partitions in Red Hat
5:51:02 Combining multiple hard disks into a volume group increases data write performance.
5:54:30 Adding additional hard drive and creating partitions for logical volumes
6:01:38 Creating and managing logical volumes
6:05:43 Understanding XFS and ext4 file systems
6:12:35 Extending logical volumes and file systems
6:17:07 Reduce file system size by resizing and unmounting the LVM
6:24:08 Swap memory helps boost system performance by freeing up physical memory.
6:27:37 Creating a swap memory partition on a 5GB hard drive
6:34:21 Understanding user administration in Linux
6:38:02 Default system users and creation of new users
6:44:44 Understanding user permissions and default settings
6:48:02 Default system login definitions and properties
6:54:53 Changing user properties using user mod command
6:58:23 Adding users to multiple groups and managing user details.
7:05:20 Setting user password expiry and account details
7:08:34 Changing user details and password aging
7:16:24 Manage user groups and permissions
7:19:53 Deleting user properties and home directories.
7:27:18 Setting permissions using ACL for specific user and group
7:31:35 Replicate file and directory permissions using fscl commands
7:39:53 Setting file permissions and using sticky bit for restriction.
7:44:27 Configuring sudo to allow users to run programs as root user
7:52:24 Configuring logging, email alerts, and user permissions for system administrators.
7:57:00 Setting permissions for sudo users
8:05:05 Using nmcli to create and manage network profiles in RHCSA 2023
8:08:49 Create and activate network profiles based on your locations.
8:15:56 Use nmcli command to check network device and connection details.
8:19:17 Creating and configuring a network profile using nmcli command.
8:26:56 Firewall configuration and management
8:30:33 Configuring firewall using command-line or GUI
8:37:17 Firewall cmd and SC Linux for enhancing system security
8:41:30 Use of firewall and selinux for system security
8:48:33 SELinux is an improved security system.
8:51:51 SELinux contexts define access control for services and files.
9:00:14 Understanding and managing SELinux in Linux systems.
9:03:50 Shell Scripting is the sequence of commands executed in one file
9:12:04 Understanding shells and if statements
9:16:25 Creation of if condition and usage
9:24:15 Debugging the script and scheduling future jobs in Linux
9:28:07 Always use full paths when scheduling cron jobs to ensure proper execution.
9:34:59 Monitoring log files for successful execution
9:38:28 Setting up scheduled tasks for user and root accounts
9:45:32 Automatic resolution of dependencies and installation is a key area for m
9:48:54 Using rpm and yum to manage packages and dependencies
9:56:22 Updating and managing packages using RPM and Yum
10:00:21 RHCSA 2023 covers essential container technologies and core tools for managing containers.
10:07:36 Installing dependent packages and creating a rootless user for podman.
10:12:15 Running and interacting with Docker containers
10:19:42 Building and running containers on Linux server
10:23:49 Compiling and installing the package on the container
10:32:40 Building and running docker images and creating persistent volumes using Podman
10:37:13 Copying files to and from containers.
10:46:37 Configure VNC server and troubleshoot errors
10:51:55 Accessing and using VNC viewer on Windows system
11:01:55 Mounting and configuring NFS on the client side
11:07:00 Setting up NFS and Samba servers for sharing files

[chuanyuan]

Hi Sir, I watched your video to revise and have passed the exam today ! Excellent tutorial you have made !

[karthiksrini]

Best tutor I seen 😍😎😎 Even my seniors never gave KT on most of this....
Legend bro u r....
This will help me for RHCSA and Linux advanced in general....

[Aditya-bev]

Thank you sir the way you have taught is perfect I passed my RHCSA exam thank you sir God bless you

[VirenderKumar-ttpl]

Hi Team, very well explained and very good examples were being used in this video. Its very helpful for who wants to learn and work on linux system. Good work, keep it up.

[lordkaz]

Big thank you for you all inside Tech Arkit, this video very helpfully to me.

[VivekError]

Thank you very much for your efforts and wonderful course. Waiting for RHEL 9 🎉

[rnhlanhla]

thank you for this Arkit! your tutorial are really helpful.

[YahuasDisciple]

So much I want to invest in more of your trainings

[sukhwinder]

That is hell of an effort for so much content ...awesome thanks

[hydro]

Liked and subscribed for the knowledge sharing and caring for others to grow ❤❤

[SandyLearner]

Thanks for updating Podman Container part in RHCSA 8 . What it was lacking in RHEL 8 course

[ashwinir]

Thanks sir. I'm preparing for RHSCA. This video is really helpful.

[fightingthewarwithinme]

thank you and love your informative videos sir
can you please make parts or chapters for each lesson to make it easier to access?

[andyz]

Thank u Ravi fo this great training video sspricistyr grtalentabout Red Hat Linux Anand

[AbhishekKumar-bblc]

Hi, First i would like to appreciate your effort for student like us and Thanks for this awesome content.
could you please add timestamp of this video which will be very helpful for us.

[jasimkp]

Excellent tutorial, all the topics are simply explained.

[farhansabir]

Your videos help me a lot. Can you please make a full video about cybersecurity.