Hello.
For clone full directories you can use mirrordir ,see at:
http://mirrordir.sourceforge.net/
(for the Unix operating system)
Mirrordir is a suite of functions in one package. It contains the following programs:
* pslogin: A remote login utility and daemon that provides a secure shell. This can be
considered as a GPL replacement to Ssh.
* copydir: A cp equivalent which additionally copies to and from ftp servers. Use it
to upload and download via ftp and via mirrordir's secure daemon. Use it a as a
rigorous cp to correctly reproduce hardlinks, permissions and access times.
* mirrordir: Mirrors filesystems over ftp or locally via a minimal set of changes. It
is optimised for locally mirroring a device as an alternative to RAID devices. It
duplicates file-systems in every detail, even correctly recreating hardlinks, devices
and access times. It works well mirroring ftp sites that don't support ls-lR
summaries. Mirrordir can take a C script to customise the kind of files to mirror
based on their stat info, name, or other information.
* recursdir: Pass a C script to recursdir to recursively perform operations on files.
This is a fast an overkill equivalent of find.
SECURITY
Mirrordir uses Diffie-Hellmen key exchanges and stream cyphers to do its encryption.
It does not use RSA and hence can be used without fear of patent infringements. Since
Mirrordir was design and written by one person, it should ideally undergo a peer
review process before it is considered secure.
Previously, mirrordir could not be exported from the US due to Federal export control
regulations that classed cryptography software as munitions. These controls have
relaxed, and hence mirrordir can now be exported from anywhere. However, some of the
documentation is outdated, and may refer to International vs. US versions.
Some interesting uses of this software are:
pslogin mc:[EMAIL PROTECTED]:12345/direc/tory/
is how I do a secure rlogin to my.other.computer.
copydir -v mirrordir-0.9.23.tar.gz mirrordir.lsm
ftp://sunsite.unc.edu/incoming/Linux/
is how I upload it to the sunsite.
copydir -v ftp://lava.obsidian.co.za/pub/mirrordir/mirrordir-?.?.??.tar.gz .
is how you can get the latest version.
mirrordir -v / /mnt/slave --exclude /mnt
is how you can backup your whole disk with a minumal set of changes.
mirrordir -v /home/httpd/html/psheer -p pAsSwOrD
ftp:[EMAIL PROTECTED]/home/httpd/html/psheer
is how I update my home page from my local machine.
Josep
Begin of Quote Bryan :
> Is there a way to mirror a hard drive in Linux. And if so can the system
>be set to boot to the good hard drive in case of a master failure.
>
>Thank You
>Bryan Pershall
>Network Administrator
>ProjecTools.com
>Hm 713-983-6031
>Cell 281-433-0530
>e-mail: [EMAIL PROTECTED]
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