Restore/repair nginx after configtest fail

  • Posted on February 27, 2015
  • GregoriusAsked by Gregorius

Hi there, In my LEMP stack my nginx got broken, i wonder if i can fix it or else stille backup some stuff before reverting to a previous snapshot. Lemp was set up with a tut here on DigitalOcean.

So what happened? After some work in wp multi install (setting up sites/plugins and adding/editing content) i’ve decided to make a snapshot, i used a terminal with ssh and i entered poweroff.

Which was not smart… Better had i used shutdown

But anyways the snapshot was made. Then, not yet aware of any problems i ran an apt-get update and apt-get upgrade.

With the droplet activated my sites dont work anymore a service nginx configtest returned fail just as service nginx restart does. Reverting to the snapshot ive just made didnt work.

My guess ( i am a novice) is that ubuntu works fine, that just nginx got corrupted.

1 can i exactly diagnose what is wrong, and what is affected? How do i proceed? 2 can i fix nginx if yes how should i do this? 3 if not and i have to revert to an much earlier snapshot, is there a script available to still backup my multisite? 4 could i run xcloner from another location and pull a backup from the droplet over sftp?

would: apt-get -f install – try to fix broken packages dpkg --configure -a – try to fix broken

be a good start? packages

Any help is greatly appreciated!

Working with terminal commands: i am new to it, but exploring I keep an sftp window open to have some visual feedback

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This question was answered by @EpicCDN:

Looks like your directives on /etc/nginx/sites-enabled/wp-ms:48 are wrong, correct the line and try restart.

If you update nginx with a package manager your old config file is copied to a backup file in same directory, ie: nginx.conf -> nginx.bak so try to check for it, not sure in ubuntu but look on /etc/nginx/

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