systematic backups in Linux?
klewellen at shellworld.net
Sat May 3 15:25:36 UTC 2008
Thanks once again for the command and ideas.
Frankly I do not want anon line option. If that were safe enough I
would just leave things here at shellworld.
I think my biggest worry is maintaining the speed and normalcy with which
I realize many here spend their lives working with and playing with this
technology, but I run a production company, so want a Linux setup that is
solid reliable, and need not be changed every other week.
You have totally persuaded me that ftp is not the way to go. I love the
idea of flexibility and updated backups.
Now to get the rest of what I need together.
On Sat, 3 May 2008, Tony Baechler wrote:
> Karen Lewellen wrote:
>> I am trying to remember the command for learning my file size usage up
>> here, but as I now have .pdf files missing too, it would not be correct
>> in any case.
> Try this:
> du -s
>> I may now need to create a server of my own, since I cannot imagine having
>> to send something back up here if I need it...which has happened 4 times
>> in the past few days.
>> Plus I want to keep my folder structure in pine if I can.
> Well, rsync works both ways, so if files are missing from a remote account
> that are present locally, it will copy them as well as copying remote files
> to the local server. The idea is to keep a directory structure synchronized.
> I've used it to back up hard drives and my home directory on a server with
> great success. I recently posted here about backing up email when Daniel
> asked, but the short answer is that it should work just as well for folders
> and mailboxes as anything else. I have several hundred mbox format mailboxes
> that copied fine. Also, rsync works over ssh so it should work fine assuming
> you have a shell account and ssh is supported. That is far more secure than
> ftp which has no encryption at all.
> I had another thought. There are various online backup services that might
> eliminate the need for you to download a huge amount of data and wouldn't
> require DSL or your own server. Of course you would have to pay for such a
> service, but since it's all done online, you would have nothing to worry
> about storing locally. There is one service that uses rsync but I'm not
> remembering the name at the moment. I think the idea is that you use rsync
> to move your files as you would normally but you back them up to a restricted
> ssh account on their server. I have no idea what prices are or how much
> space you get.
> To get you started, here is a sample command line which I use to backup my
> home directory:
> rsync tony at example.com:~/ .
> Or, to "archive" files including all directories, file permissions, dates and
> times, etc as well as giving more verbose output:
> rsync -av tony at example.com:~/ .
> You could replace the dot with another drive and path, like this:
> rsync -av tony at example.com:~/ g:\serverhome
> That doesn't even scratch the surface of what rsync can do but that should
> get you started. As with all good tools, it has options to exclude certain
> files if you have some stored locally already and don't want to back them up.
> It scans both local and remote directories first so it doesn't download files
> that are already present, saving time and bandwidth. I wouldn't go back to
> ftp again for any serious backing up because rsync is so much faster and more
> Keep me posted, I'm interested in what options you decide to pursue and how
> it works out.
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