Recovering deleted /etc/shadow password file

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Even if you boot in single user mode it will ask root password for maintenance, and just imagine you do not have a backup of /etc/shadow file. How will you fix such problem in a production environment where time is critical factor? Relax here I will explain how to recover deleted /etc/shadow file in five easy steps. It will take around 10 min. to fix problem.

Well all it started when one of our client accidentally deleted /etc/shadow file from co-located Debian Linux server. As a result, all account login disabled. However, ftp was working fine because proftpd was build using MySQL database for authentication and quota management.

Step # 1 Boot server in single user mode

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