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fedora-users: Re: Unable to ssh nodes with global IP

Re: Unable to ssh nodes with global IP

From: Reindl Harald <h.reindl_at_nospam>
Date: Sun Oct 23 2011 - 12:24:37 GMT
To: Community support for Fedora users <users@lists.fedoraproject.org>

Am 23.10.2011 14:10, schrieb suvayu ali:

> I know about ~/.ssh/config and I use it. Logging in to the remote nodes
> is not the issue in my case. I use kerberos to authenticate anyway. The
> issue is when I want to access my machine from those remote nodes, I
> have to copy the section relevant to my machine to the remote nodes.

if you have to maintain many hosts you should invest an hour
for a infrastructure and after that it does not matter if you
have 10, 100 or thousands of hosts where you need the same
file distributed

sorry, but you can tell me what you want - there is no single problem
maintaining thousands of machines with ssh on non-stadnard-port

and if the ISP of the OP is blocking incoming port 22 he has
no other solution - so what baout are we speaking here?

your "nc" will not work for him and your problem maintaining
multiple machines does not affect the whole world because
most does not have so many hosts and the others are knowing
about shell-scripts
_______________________________

[root@buildserver:~]$ cat /Volumes/dune/buildserver/server-list.txt
#!/bin/bash
RH_TARGET_SERVERS=()
RH_TARGET_SERVERS[1]="host1"
RH_TARGET_SERVERS[2]="host2"
RH_TARGET_SERVERS[3]="host3"
RH_TARGET_SERVERS[4]="host4"
RH_TARGET_SERVERS[5]="host5"
RH_TARGET_SERVERS[6]="host6"

[root@buildserver:~]$ cat /Volumes/dune/buildserver/distribute-file.sh
#!/bin/bash
source /Volumes/dune/buildserver/server-list.txt
function rh_push_file
{
 echo $1
 RSYNC_PARAMS='--ipv4 --compress --times --progress --force --links --perms --owner --group'
 /bin/nice /usr/bin/rsync $RSYNC_PARAMS --rsync-path='nice -n 19 rsync' "$2" "root@$1:$2"
 echo ""
}
if [ "$2" == "" ]
then
 echo "" > /dev/null
else
 echo "Bitte Parameter in Quotes setzen"
 exit
fi
for item in ${RH_TARGET_SERVERS[*]}
do
  rh_push_file $item "$1"
done

[root@buildserver:~]$ cat /Volumes/dune/buildserver/distribute-command.sh
#!/bin/bash
source /Volumes/dune/buildserver/server-list.txt
function rh_run_command
{
 echo $1
 ssh root@$1 "$2"
 echo ""
}
if [ "$2" == "" ]
then
 echo "" > /dev/null
else
 echo "Bitte Parameter in Quotes setzen"
 exit
fi
echo ""
for item in ${RH_TARGET_SERVERS[*]}
do
  rh_run_command $item "$1"
done

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