Running a bash command with multiple lines of input via ssh

Question

I am trying to LDAP directory via ForgeRock's OpenDJ, I am sending most of the commands via ssh and it works, however I am stuck at one command which requires input in different line. Here is how it works, if I type it in shell:

ldapmodify -h server.example.com -p 1389 -w '1234' -D "cn=Directory\ Manager" -a 
dn:ou=test1,dc=example,dc=com 
objectclass:top 
objectclass:organizationalUnit
ou:test1

Note that there are four lines of input and the command concludes after getting one extra line of blank input (carriage-return). The command's input are dynamic and based on the variables. How can I send this multi-line command via ssh?

Here is how I am sending other commands:

SEND_REMOTE_CMD='opendj/bin/dsconfig create-backend 
--backend-name eg1 
--set base-dn:dc=eg1,dc=com
--set enabled:true
--type local-db
--hostname server.example.com
--port 5444
--trustAll
--bindPassword '1234'
--no-prompt
--bindDN "cn=Directory\ Manager"'

ssh [email protected] $SEND_REMOTE_CMD

John Kugelman · Accepted Answer · 2015-04-02 23:32:28Z

1

To script a command and send it multiple lines of input you can use a here document.

ldapmodify -h server.example.com -p 1389 -w '1234' -D "cn=Directory\ Manager" -a <<INPUT
dn:ou=test1,dc=example,dc=com 
objectclass:top 
objectclass:organizationalUnit
ou:test1
INPUT

To do it over SSH, do the same thing, but add the ssh command in front.

ssh [email protected] ldapmodify -h server.example.com -p 1389 -w '1234' -D "cn=Directory\ Manager" -a <<INPUT
dn:ou=test1,dc=example,dc=com 
objectclass:top 
objectclass:organizationalUnit
ou:test1
INPUT

edited Apr 2, 2015 at 23:32

answered Apr 2, 2015 at 23:27

John Kugelman

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2 Comments

Vinay Pandey Over a year ago

Is there any way to pass variables in Here Documents? Or if I can pre-compose a string and pass it into here documents?

John Kugelman Over a year ago

Yes, you can use variables in here documents. Try it!

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