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Full Discussion: Checking files in remote server and decide to copy file or not
Top Forums UNIX for Dummies Questions & Answers Checking files in remote server and decide to copy file or not Post 302791213 by bakunin on Monday 8th of April 2013 06:44:03 AM
Old 04-08-2013
The thread spacebar pinted you to is a good one. I suggest you study it. Just a final observation on your code:

Quote:
Originally Posted by beezy
Code:
while read $server
do
if ssh $server "cd $directory_name; if [ -r $file2copy ]; then echo "Error: File $file2copy already exists, stop copying..exit"; fi"
 else scp -r $file2copy $server:~/$directory_name
 echo " file copied"
done

This should not work at all because it contains a syntax error. I have indented it to make it more obvious:

Code:
while read $server ; do
     if ssh $server "<cmd>"
     else scp -r $file2copy $server:~/$directory_name
     echo " file copied"
done

The "if" is nowhere closed by a "fi" and the mandatory "then" is missing too. In addition:

Code:
"cd $directory_name; if [ -r $file2copy ]; then echo "Error: File $file2copy already exists, stop copying..exit"; fi"

This should not work because double quotes can't be nested.


I hope this helps.

bakunin
 

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LEARN ABOUT CENTOS

ipa-replica-install

ipa-replica-install(1)						 IPA Manual Pages					    ipa-replica-install(1)

NAME

       ipa-replica-install - Create an IPA replica

SYNOPSIS

       ipa-replica-install [OPTION]... replica_file

DESCRIPTION

       Configures a new IPA server that is a replica of the server that generated it. Once it has been created it is an exact copy of the original
       IPA server and is an equal master. Changes made to any master are automatically replicated to other masters.

       The replica_file is created using the ipa-replica-prepare utility.

       If the installation fails you may need to run ipa-server-install --uninstall before running ipa-replica-install again.

       The installation will fail if the host you are installing the replica on exists as a host in  IPA  or  an  existing  replication  agreement
       exists (for example, from a previously failed installation).

       A replica should only be installed on the same or higher version of IPA on the remote system.

OPTIONS

   BASIC OPTIONS
       --setup-ca
	      Install and configure a CA on this replica. If a CA is not configured then certificate operations will be forwarded to a master with
	      a CA installed.

       --ip-address=IP_ADDRESS
	      The IP address of this server. If this address does not match the address the host resolves to and --setup-dns is not  selected  the
	      installation will fail. If the server hostname is not resolvable, a record for the hostname and IP_ADDRESS is added to /etc/hosts.

       -p DM_PASSWORD, --password=DM_PASSWORD
	      Directory Manager (existing master) password

       -w ADMIN_PASSWORD, --admin-password=ADMIN_PASSWORD
	      Admin user Kerberos password used for connection check

       --mkhomedir
	      Create home directories for users on their first login

       -N, --no-ntp
	      Do not configure NTP

       --no-ui-redirect
	      Do not automatically redirect to the Web UI.

       --ssh-trust-dns
	      Configure OpenSSH client to trust DNS SSHFP records.

       --no-ssh
	      Do not configure OpenSSH client.

       --no-sshd
	      Do not configure OpenSSH server.

       --skip-conncheck
	      Skip connection check to remote master

       -d, --debug
	      Enable debug logging when more verbose output is needed

       -U, --unattended
	      An unattended installation that will never prompt for user input

   CERTIFICATE SYSTEM OPTIONS
       --skip-schema-check
	      Skip check for updated CA DS schema on the remote master

   DNS OPTIONS
       --setup-dns
	      Generate	a  DNS	zone  if  it does not exist already and configure the DNS server.  This option requires that you either specify at
	      least one DNS forwarder through the --forwarder option or use the --no-forwarders option.

       --forwarder=IP_ADDRESS
	      Add a DNS forwarder to the DNS configuration. You can use this option multiple times to specify more forwarders, but  at	least  one
	      must be provided, unless the --no-forwarders option is specified.

       --no-forwarders
	      Do not add any DNS forwarders. Root DNS servers will be used instead.

       --reverse-zone=REVERSE_ZONE
	      The reverse DNS zone to use

       --no-reverse
	      Do not create new reverse DNS zone. If a reverse DNS zone already exists for the subnet, it will be used.

       --no-host-dns
	      Do not use DNS for hostname lookup during installation

       --no-dns-sshfp
	      Do not automatically create DNS SSHFP records.

EXIT STATUS

       0 if the command was successful

       1 if an error occurred

       3 if the host exists in the IPA server or a replication agreement to the remote master already exists

IPA
								    May 16 2012 					    ipa-replica-install(1)
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