Sorcflow Linux Administrator Interview Questions and Answers

To configure Apache server, modify the httpd.conf file and add virtual hosts.

• Edit the httpd.conf file located in /etc/httpd/conf/ directory

• Add virtual hosts to the httpd.conf file to host multiple websites

• Restart the Apache server using the command 'systemctl restart httpd'

• Configure SSL/TLS certificates for secure connections

If kernel stuck in update, we can try to reboot the system and check for any errors.

• Try to reboot the system

• Check for any errors

• If the issue persists, try to boot into a previous kernel version

• If all else fails, reinstall the kernel

LVM can be configured using the lvcreate, vgcreate and pvcreate commands.

• Create physical volumes using pvcreate command

• Create volume groups using vgcreate command

• Create logical volumes using lvcreate command

• Extend or reduce logical volumes using lvextend or lvreduce command

• Mount the logical volumes to use them

• Use the lvdisplay, vgdisplay and pvdisplay commands to view the LVM configuration

Patching is the process of updating software to fix vulnerabilities or bugs. It can be resolved by applying the patch.

• Identify the vulnerability or bug that needs to be fixed

• Find the appropriate patch for the software version

• Apply the patch to the system

• Test the system to ensure the patch was successful

To setup local repository, create a directory, copy packages, create repo file, and run createrepo command.

• Create a directory to store packages

• Copy packages to the directory

• Create a repo file in /etc/yum.repos.d/ directory

• Add necessary information in the repo file

• Run createrepo command to create repository metadata

Updating the system involves installing the latest security patches and software updates.

• Use the package manager to update the system

• For Debian-based systems, use apt-get update and apt-get upgrade

• For Red Hat-based systems, use yum update

• Regularly check for updates and install them promptly

• Reboot the system after updating to ensure changes take effect