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I have a testing server set up in /var/www, and a mySQL database somewhere, and I recently have been having problems where X won't load. The only suggestion so far is to reinstall. Normally, that wouldn't be a problem, since I have a different drive mapped to /home, but I'm scared that reinstalling will wipe /var/www and other directories where I have much-needed config files.

  • If you start by making a backup of those files what do you see as a problem? – Rinzwind Jan 6 '13 at 18:01
  • @Jon, would you mind sharing the partition table of the system – Ankit Jan 6 '13 at 18:20
  • /home gets its own drive, but everything else is on one drive. So it's Drive 1: ~20 gig partition for system files, ~4 gig partition for swap, and Drive 2: one ~500 gig partition for /home. The next time I do this I should probably make /var/www its own partition. – Jonathan Jan 6 '13 at 18:43
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It depends on how you partitioned your hard drive. But, if /var was not given its own partition, reinstalling Ubuntu will wipe /var.

Not only would you need to backup /var/www, but you would also need to backup /var/lib/mysql, where your MySQL database lives.

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Starting with Ubuntu 18.04, a server install insists on wiping /var. This takes out /var/www (thats your website gone); /var/spool/mail (your emails are toast) and quite a bit else.

This is regardless of whether /var was on a different partition.

How do I know? Well, I just changed the MB on my aging server and lost the lot. Welcome to a day of restoring backups.

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