RHCSA Practical Lab Series – Configuring YUM/DNF Repositories

🔍 Lab 17: Setting Up Default Package Repositories in RHEL 9 📌 Objective In this lab, you will: ✔ Configure YUM/DNF repositories for package management ✔ Set up BaseOS and AppStream repositories ✔ Verify repository functionality and install packages 📌 Step 1: Copy the Repository Configuration File 🔹 Copy an existing repository configuration file to the

RHCSA Practical Lab Series – Resetting the Root Password

🔍 Lab 16: Resetting the Root Password in RHEL 9 📌 Objective In this lab, you will: ✔ Reset the root password on a RHEL 9 system ✔ Use emergency mode to gain access ✔ Ensure that SELinux relabeling is triggered to prevent login issues 📌 Step 1: Boot into Emergency Mode 🔹 Start the system and

RHCSA Practical Lab Series – Configuring Passwordless Sudo Access

🔍 Lab 15: Granting a User Group Sudo Privileges Without a Password 📌 Objective In this lab, you will: ✔ Allow members of a specific user group (adminops) to use sudo without a password ✔ Modify the sudoers file using visudo ✔ Verify that the configuration works correctly 📌 Step 1: Open and Edit the sudoers

RHCSA Practical Lab Series – Configuring a Container as a Systemd Service

🔍 Lab 14: Running a Container as a Systemd Service 📌 Objective In this lab, you will: ✔ Set up a systemd service for a container using Podman ✔ Ensure the container automatically starts on system boot ✔ Use persistent storage by binding host directories to the container ✔ Run the service as a non-root user

RHCSA Practical Lab Series – Building a Container Image with Podman

🔍 Lab 13: Creating a Custom Container Image 📌 Objective In this lab, you will: ✔ Install Podman and required container tools ✔ Download a Containerfile and build a container image ✔ Ensure the image is named appserver ✔ Verify the created image 📌 Step 1: Install Container Management Tools 🔹 Ensure container-tools is installed: [root@node1 ~]# dnf

RHCSA Practical Lab Series – Creating and Compressing Archives

🔍 Lab 12: Archiving and Compressing Files with tar and bzip2 📌 Objective In this lab, you will: ✔ Create a compressed tar archive (/root/system_backup.tar.bz2) ✔ Archive the entire /etc directory ✔ Use bzip2 compression to reduce file size ✔ Verify the archive integrity 📌 Step 1: Install bzip2 (if not already installed)

RHCSA Practical Lab Series – Searching for Strings in a File

🔍 Lab 11: Extracting Specific Lines from a File 📌 Objective In this lab, you will: ✔ Search for lines containing a specific string (error) in a given file ✔ Redirect the results into a separate output file (/root/errors.log) ✔ Ensure the output preserves the exact formatting of the original file 📌 Step 1:

RHCSA Practical Lab Series – Finding and Copying User Files

🔍 Lab 10: Searching for Files by User Ownership 📌 Objective In this lab, you will: ✔ Find all files owned by a specific user (alex) ✔ Copy those files to a designated backup directory (/root/foundfiles) ✔ Verify the copied files 📌 Step 1: Create a Backup Directory 🔹 Create the directory where found files will

RHCSA Practical Lab Series – Configuring User Accounts

🔍 Lab 9: Creating a User with a Specific UID 📌 Objective In this lab, you will: ✔ Create a new user (developer99) with a specific user ID (4533) ✔ Set the password (cloudnetops123) for the new user ✔ Verify the user creation and authentication 📌 Step 1: Create the User with a Specific UID 🔹 Use

RHCSA Practical Lab Series – Configuring AutoFS for NFS Mounts

🔍 Lab 8: Setting Up AutoFS for Network File System (NFS) Mounts 📌 Objective In this lab, you will: ✔ Install and configure AutoFS to automatically mount an NFS share ✔ Ensure that remoteuser1’s home directory is automatically mounted at /rhome/remoteuser1 ✔ Enable persistent mounting with read-write (rw) permissions ✔ Verify and troubleshoot AutoFS

RHCSA Practical Lab Series – Configuring NTP Synchronization

🔍 Lab 7: Setting Up an NTP Client Using Chrony 📌 Objective In this lab, you will: ✔ Install and configure Chrony as an NTP client ✔ Sync time with an NTP server (ntp.cloudnetops.tech) ✔ Verify time synchronization 📌 Step 1: Install Chrony 🔹 Ensure chrony is installed on your system: [root@node1 ~]# yum -y

RHCSA Practical Lab Series – Creating a Collaborative Directory

🔍 Lab 6: Configuring a Shared Directory with Group Ownership 📌 Objective In this lab, you will: ✔ Create a collaborative directory /home/team ✔ Assign group ownership to the directory ✔ Set appropriate permissions to control access ✔ Ensure all files created inside inherit the group ownership 📌 Step 1: Create the Shared Directory 🔹 Use mkdir