Learn, Solve & Master Python, Linux, SQL, ML & DevOps
🛠️ Linux Solutions
Quick and practical troubleshooting guides for Linux commands, services, networking, LVM, permissions, and more.
Reset Forgotten Root Password (rd.break method)
Use GRUB rd.break to reset the root password safely.
December 13, 2025
Extend LVM Partition Without Downtime (Adding New Disk / PV)
Add PV, extend VG and LV and grow filesystem online.
December 13, 2025
Fix Slow SSH Login (GSSAPI Authentication Delay)
SSH login pauses due to GSSAPI/Kerberos authentication.
December 13, 2025