Gergely Buday wrote:
> Dear CentOs users,
>
> I have a centos server with nothing important at the moment, but I
> would like to install some web-based project management tool (trac for
> the curious) that would contain important data. And, as my network is
> growing the configuration of the server is becoming complex. I would
> like to have a proper backup so that I can restore the whole system
> easily, should any problem occur. What do you recommend?
>
> I'm not an expert on this, so my first idea is that I could do a per
> application backup and create a tar file of the /etc. The latter
> especially could be too naive. And, a push-the-button method that
> handles all in once, not depending on the app number would be much
> better.
>
> Another thing: how I could do this to be safe across a centos upgrade?
>
>
I use dump (and restore). It works nice for ext3 file systems.
First you do a full dump (level 0) then you do an incremental dump (1 or
higher):
dumplevel=0
or for incremental
dumplevel=1
# To use ssh to connect to the remote host
export RSH=ssh
# then dump
dump -${dumplevel} -u -z -f remote_host:/sda1_dump /dev/sda1
You have to fill in your device and filename of course....
See man dump/restore
Cheers,
Theo
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