A blog for all the virtualization and operating system troubleshooting

 To Enabling/Unlocking the root locked account, follow below steps: 1.ssh with non root user 2.Check the root user is locked:      root@Ubuntu:/home/test# passwd -S root     root  L  11/12/2024 0 99999 7 -1         >> here L means its locked. 3.Manually enable the root account    A)verify the /etc/shadow password (the second field ! Or * means its locked)    B)Create a password in hash format:        openssl passwd -6         >>give new password       >>Copy the new hash password    C)Edit /etc/shadow and update in the second field:               D)Verify /etc/ssh/sshd_config have "PermitRootLogin=yes, PasswordAuthentification=yes" and restart ssh service already done.