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There are 2 servers, they were application level clusters.

One of the servers / got corrupted, see: / got corrupted and showing as ext2

The idea is the next: I would dd the sda1 from the good server to the bad one.

The Q: what should I update on the bad machine, after dd'ing the sda1?

My hints so far:

  • grep -r HOSTNAME /* and modify it
  • vi /etc/sysconfig/network/*
  • re-generate /etc/ssh/ssh_host_
  • vi /etc/fstab
  • vi /etc/hosts
  • vi /etc/passwd and /etc/group
  • generate new blkid for sda1
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