Restoring a backup: Difference between revisions

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Revision as of 22:01, 29 September 2010

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Isaac702

Bureaucrats, Administrators

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-If this has happened to you, you're able to restore your backups by copying files from redbricks backups.
+Redbrick keeps regular backups of your files in case a problem develops with a server and user files need to be restored.
-==Causes of needing to restore backups==
+These backups can also be used by users to restore files if they have accidentally deleted them or if wish to restore previous versions.
-===Deleting all your files in a directory===
-rm *   //Very bad, will delete all files from current folder
-===Overwriting a file.===
-If you're using vim, it will prompt you that you are overwriting a file if you didn't open the file for editing in the first place.<br/>
-It tells you to add a ! to the write command to overwrite the file. Don't do this unless you're sure of what you're doing.
-==Howto restore from a backup==
+==Restoring a backup==
 <pre>
-ssh carbon
+cd /backup/storage/current/	*See Note 1
-cd /backup/webtree/webtree/u/username  (see note)
+cd webtree			*See Note 2
-cp filename ~/public_html/    OR cp -R * ~/public_html/
+cd u/username			*See Note 3
-exit
 </pre>
+To restore a single file then
+<pre>
+cp filename ~/public_html/
+</pre>
-====Note====
+To restore an entire directory then
-There are 7 backup directories in /backup/webtree/ and /backup/home/. The newest of each of these are the ones without numbers (/backup/webtree/webtree/, and /backup/home/home). These are the backups for the previous night. The backup for two nights ago is .1, three nights is .2, and so on.
-The example given above is for a user called 'username'. As you can see, the first directory you put in is the first letter of your username, followed by your full username.
-==Example of restoring a file==
 <pre>
-ssh carbon
+cp -R * ~/public_html/
-cd /backup/webtree/webtree.1/d/drag0n
-cp index.html ~/public_html/
-exit
 </pre>
+====Note====
+#Redbrick keeps several backups at one time. current is the latest and is usually taken the night before. If you wish to restore a backup from before this replace current with the date of the backup and then type cd tree before continuing with the guide.
+#You can also restore files from your home directory by going to /home/member during this step. If you are restoring a backup from your home directory replace public_html in the later steps with a more appropriate location. eg. ~
+#In this example the user is called username. Replace this with your username and u with the first letter of your username. eg. i/isaac702
-This will copy drag0ns (ie. me) index.html from a backup from 2 days ago into drag0ns public_html folder.
+[[Category: Helpdesk]]
+[[Category: HowTo]]