🔍 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
🔍 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
🔍 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
🔍 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)
🔍 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:
🔍 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
🔍 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
🔍 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
🔍 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
🔍 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
🔍 Lab 5: Automating Tasks with Cron Jobs 📌 Objective In this lab, you will: ✔ Enable and verify the cron daemon (crond) ✔ Schedule a cron job for user jack to run a command daily at 14:23 ✔ Verify the scheduled task execution 📌 Step 1: Ensure Cron Service is Running 🔹 Check if crond
What is RHCSA Certification? Red Hat Certified System Administrator (RHCSA) is an official certification provided by Red Hat, designed to assess the practical skills of Linux system administrators in enterprise environments. For those looking to enter the Linux system administration field or enhance their career competitiveness, RHCSA certification is an