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Old 10-05-2010
Question Rsync Backups on HostGator VPS
I'm wanting to do remote backups of the entire /home/* directory structure, which is where HG puts all www files and sets the user and group independently of any other user ( so /home/user1 will be using group user1, instead of a generic apache group)

The problem I'm running into is that only root has access to everything in /home

so I have a few options, and none of them are making my tummy happy.

1) ssh in with keys as root and perform rsync backups (I'd rather just turn off root logins via ssh)
2) sudo in as rsyncuser via ssh... problem? this error: sudo: sorry, you must have a tty to run sudo
I can disable the requiretty in the sudoers file.. but I suspect that's not too secure...
3) go through the hassle of getting all the user directories to be group readable... and make sure that the rysncuser is part of each of the groups for each user... and pray that in the process, it doesn't jack with any sites.
4) just backup each user independently, creating new keys for each user, manageing the rotations individually, and leaving it up to chance that when a new user is added that the backup scripts are updated as well.


Are there any better options than this? If not, which of the 4 is my best bet?

Thanks

Matt
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LEARN ABOUT DEBIAN

parallel-rsync

PARALLEL-RSYNC(1)														 PARALLEL-RSYNC(1)

NAME

       parallel-rsync - deploy files to listed hosts

SYNOPSIS

       parallel-rsync [OPTIONS] -h hosts.txt local remote

DESCRIPTION

       pssh provides a number of commands for executing against a group of computers, using SSH. It's most useful for operating on clusters of
       homogenously-configured hosts.

       parallel-rsync deploy files files to all hosts you listed.

OPTIONS

       -r --recursive
	   recusively copy directories (OPTIONAL)

       -a ----archive
	   use rsync -a (archive mode) (OPTIONAL)

       -z --compress
	   use rsync compression (OPTIONAL)

       -h --hosts
	   hosts file (each line "host[:port] [user]")

       -l --user
	   username (OPTIONAL)

       -p --par
	   max number of parallel threads (OPTIONAL)

       -o --outdir
	   output directory for stdout files (OPTIONAL)

       -e --errdir
	   output directory for stderr files (OPTIONAL)

       -t --timeout
	   timeout (secs) (-1 = no timeout) per host (OPTIONAL)

       -O --options
	   SSH options (OPTIONAL)

       -v --verbose
	   turn on warning and diagnostic messages (OPTIONAL)

EXAMPLE

	   # parallel-rsync -r -h hosts.txt -l irb2 foo /home/irb2/foo

ENVIRONMENT

       All four programs take similar sets of options. All of these options can be set using the following environment variables:

       o   PSSH_HOSTS
       o   PSSH_USER
       o   PSSH_PAR
       o   PSSH_OUTDIR
       o   PSSH_VERBOSE
       o   PSSH_OPTIONS

SEE ALSO

       parallel-ssh(1), parallel-scp(1), parallel-slurp(1), parallel-nuke(1), ssh(1), rsync(1)

AUTHOR

       Brent N. Chun <bnc@theether.org>

COPYING

       Copyright: 2003, 2004, 2005, 2006, 2007 Brent N. Chun

NOTES

	1. bnc@theether.org
	   mailto:bnc@theether.org

								    03/30/2009							 PARALLEL-RSYNC(1)