Introduction

This tutorial covers How to Upgrade SLES 15 to SLES 16 on SLES 16. SLES 16 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management.

Step 1 — Back Up Your System

Take a snapshot or backup before upgrading.

Step 2 — Register with SCC

SUSEConnect --url https://scc.suse.com -r

Step 3 — Upgrade with zypper

zypper migration

AppArmor Considerations

Note: SLES 16 uses AppArmor for mandatory access control. Check AppArmor status with aa-status and enforce profiles with aa-enforce /etc/apparmor.d/<profile>.

Conclusion

You have successfully completed: How to Upgrade SLES 15 to SLES 16. For more SLES 16 tutorials, see our full SLES 16 series.