BlockShell-RH: Red Hat Linux Labs

🔐 User & Group Management

Learn how to create and manage users and groups in Red Hat Linux.

1 Create a new user

Use the Add User block to create a user named devuser with home directory /home/devuser and shell /bin/bash.

2 Create a group

Create a group named developers with GID 2001 using the Add Group block.

3 Add user to group

Add devuser to the developers group using the Add User to Group block.

4 Set password policy

Configure password policy with minimum 7 days, maximum 90 days, and warning 7 days using the Set Password Policy block.

💾 Filesystem Management

Learn how to create and manage filesystems in Red Hat Linux.

1 Create filesystem

Create an ext4 filesystem on /dev/sdb1 with label DATA using the Create Filesystem block.

2 Mount filesystem

Mount /dev/sdb1 to /mnt/data with type ext4 and make it persistent using the Mount Filesystem block.

3 Analyze disk usage

Analyze disk usage for /var with depth 2 using the Analyze Disk block.

4 Create LVM

Create an LVM volume group named vg_data with physical volume /dev/sdc1 using the Create LVM block.

⚙️ Service Management

Learn how to manage services and processes in Red Hat Linux.

1 Manage service

Start and enable the httpd service using the Service Action block.

2 Create service

Create a custom service named myapp that runs /usr/local/bin/myapp as user appuser using the Create Service block.

3 Schedule task

Schedule a daily backup at 2 AM running /usr/local/bin/backup.sh using the Schedule Task block.

4 Check resources

Check memory usage using the Check Resources block.

🌐 Networking & Security

Learn how to configure networking and security in Red Hat Linux.

1 Configure network

Configure interface eth0 with IP 192.168.1.100/24 and gateway 192.168.1.1 using the Configure Network block.

2 Firewall rule

Allow HTTP traffic (port 80/tcp) through the firewall using the Configure Firewall block.

3 SELinux mode

Set SELinux to enforcing mode using the Set SELinux Mode block.

4 SSH configuration

Disable root login via SSH using the Configure SSHD block.