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I have a LAMP server setup. I have the source folder in my desktop which I can edit without 'sudo'ing. Then, I sync the files to var/www using sudo rsync. I gave the folders in var/www necessary permissions (770 for the mentioned folder, since www-data is added to root group, and apache has to write to this directory, that is upload directory). It works well. But, when I restart the computer, files in the upload folder in var/www disappears. I cannot understand what is happening.

  drwxrwxr-x 2 root www-data 4096 Dec 15 08:26 uploaded_files

my folder permissions look like this.

EDIT: The files disappear some time after the upload.

I'm just confused like hell.

Any help will be appreciated. I'm a newbie in linux file, folder permission btw.


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up vote 2 down vote accepted

I had my source files in my Desktop, and I was syncing with var/www manually so that I don't have to sudo files individually. I was achieving this by syncing the entire desktop folder whenever I felt syncing is necessary. I used the '--delete' bit in my rsync command, so that any extra files in the destination which might have been deleted in my Desktop source, will be removed.

Here is the catch: I have a /upload/dir in my desktop, but nothing really gets uploaded, since it is done in document root, which is /var/www/. So, whenever I sync files, my Desktop /upload/dir (which is empty and will always be) replaces the /upload/dir in the document root. Hence the content disappeared.

Moral (for me & new linux users): Never blindly copy commands in terminal, without getting a basic understanding.

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They're either not saved, or removed. Check if /var/www isn't on a tmpfs (that's like a RAM disk, files are not saved to disk but kept in memory and so will disappear on reboot):

df -hT /var/www

and see what's under "Type". For example, I keep my logs on a tmpfs:

$ df -hT /var/log 
Filesystem     Type   Size  Used Avail Use% Mounted on
tmpfs          tmpfs  3.9G  672K  3.9G   1% /var/log
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actually, it disappears a few minutes after uploading. It happens even after giving 777 permissions – palerdot Dec 15 '12 at 6:41
/dev/sda6 ext4 46G 8.8G 35G 21% / /var/www it lists as ext4 – palerdot Dec 15 '12 at 6:42
my other files in var/www are intact – palerdot Dec 15 '12 at 6:42

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