Wipro Linux System Administrator Interview Questions and Answers

Patching physical servers involves identifying vulnerabilities, testing patches, scheduling downtime, and applying patches.

• Identify vulnerabilities through vulnerability scanning or manual review

• Test patches in a non-production environment to ensure compatibility and stability

• Schedule downtime with stakeholders and communicate the impact of the patching

• Apply patches using a patch management tool or manually

• Verify the s...read more

Patching rollback can be done by identifying the patch, uninstalling it, and restoring the previous version.

• Identify the patch that caused the issue

• Uninstall the patch using the appropriate command

• Restore the previous version of the software or package

• Test to ensure the issue has been resolved

RHEL7 is the newer version with improved features and security updates.

• RHEL7 has better support for Docker and containers

• RHEL7 has improved security features like firewalld and SELinux

• RHEL7 has updated versions of software packages

• RHEL7 has a new default file system, XFS

• RHEL7 has improved networking capabilities with NetworkManager

• RHEL6 is still widely used and has long-term support until 2024