Access environment variables on remote host using ssh


 
Thread Tools Search this Thread
Operating Systems Linux Access environment variables on remote host using ssh
# 1  
Old 02-13-2009
Access environment variables on remote host using ssh

How can i access environment variables on remote host using ssh

example:

# Remote server
[gacf@server1 ~]$ echo $MAIL
/var/spool/mail/gacf
[gacf@server1 ~]$

# Local server
[brendan@server2 ~]$ ssh gacf@server1 'echo $MAIL'
/var/mail/gacf
[brendan@server2 ~]$

Expected to find:

[brendan@server2 ~]$ ssh gacf@server1 'echo $MAIL'
/var/spool/mail/gacf
[brendan@server2 ~]$

Please help?
# 2  
Old 02-13-2009
try

ssh user@remote "set" | grep -i mail
# 3  
Old 02-13-2009
Thanks mark54g, but the problem is also that i want to execute scripts that exist on the remote host but the scripts use local variables that exist on the remote host.

Example:
# Remote server
[gacf@server1 ~]$ cat /tmp/runMe.sh
#!/bin/sh
echo $MAIL
[gacf@server1 ~]$ /tmp/runMe.sh
/var/spool/mail/gacf
[gacf@server1 ~]$

# Local server
[brendan@server2 ~]$ ssh gacf@server1 '/tmp/runMe.sh'
/var/mail/gacf
[brendan@server2 ~]$

Any ideas?
# 4  
Old 02-13-2009
Might be that the MAIL variable is set by login(1) and later changed by a line in /etc/profile or ~/.profile (for ksh/bash/sh). Try sourcing your profile ahead of the command, eg.
Code:
$ ssh gacf@server1 '. /etc/profile ; . ~/.profile ; /tmp/runMe.sh'

Login or Register to Ask a Question

Previous Thread | Next Thread

10 More Discussions You Might Find Interesting

1. IP Networking

SSH to remote host using SOCK5 proxy

I am trying to connect to a remote host C from my node host A. HostA <====> HostB <====> HostC A tunnel has already been formed using SOCKS5 between HostA and HostC. Now I want to SSH from A to C. The SOCKS5 IP us 142.133.132.161 and port 1082. The command I am using is : ssh -L... (1 Reply)
Discussion started by: Junaid Subhani
1 Replies

2. Shell Programming and Scripting

Execute command on remote host via ssh

How should i make the following code working #!/bin/bash INPUTFILE="test.txt" while read STRING; do IP=`host -t A $STRING | awk '{print $NF}'` HOSTNAME=`ssh -oPasswordAuthentication=no -oStrictHostKeyChecking=no $IP "hostname"` echo $HOSTNAME > out.txt done < $INPUTFILE At this moment while... (3 Replies)
Discussion started by: urello
3 Replies

3. Shell Programming and Scripting

Aggregate variables bdfore ssh into remote host

Hi all, I have a problem where i'm trying to identify on which remote hosts the apps are running, ssh into it and restart them. In case more than 1 apps is running on same remote host, i want to be able to group it and ssh only once. E.g: app1 = 1.1.1.1 app2 = 1.1.1.2 app3 =... (4 Replies)
Discussion started by: varu0612
4 Replies

4. UNIX for Advanced & Expert Users

Help! How to find the local host after few ssh hops to remote host???

I do a ssh to remote host(A1) from local host(L1). I then ssh to another remote(A2) from A1. When I do a who -m from A2, I see the "connected from" as "A1". => who -m userid pts/2 2010-03-27 08:47 (A1) I want to identify who is the local host who initiated the connection to... (3 Replies)
Discussion started by: gomes1333
3 Replies

5. Shell Programming and Scripting

ssh can't back from remote host during script execution

Hi all I wrote a script to execute a script on several remote hosts, but somehow during the execution of the local script, ssh can't come back from the remote host, so that causes my local script hanging... I use the below command to do the job in the local script, any idea? ssh... (12 Replies)
Discussion started by: bzylg
12 Replies

6. Solaris

unable to ssh to remote host

server is ok, I can login on console. however, when I use SSH teachia, there is no repsond. i have check ps-ef | grep ssh, it shows ok. restart ssh too. still not working. Anything else I need to check? # ps -ef | grep ssh root 24706 1 0 Jun 12 ? 0:00... (7 Replies)
Discussion started by: uuontario
7 Replies

7. Shell Programming and Scripting

ssh to remote host and execute command

Hi, could anyone please tell me how to ssh to remote host foo and execute command on it and print the result on local host? Thanks, Paresh (1 Reply)
Discussion started by: masaniparesh
1 Replies

8. Shell Programming and Scripting

ssh to a remote host

i want a script with expect or perl or shell which will do ssh to remote host...it will take commandline argument and run the script in remote host....... i.e that will be like ./ssh.exp remoteip username passwd /tmp.kk.sh can someone help me on this? (1 Reply)
Discussion started by: Aditya.Gurgaon
1 Replies

9. UNIX for Dummies Questions & Answers

Is it possible for a server to be both a remote and client SSH host?

Hi, Not sure if this is possible, I have a server (SERVER1) that is currently set up as a remote SSH host. My client SSH host (SERVER2) is connecting to SERVER1 to scp a file with no password. I now have a need to set up a third server (SERVER3) as a remote SSH host and I need SERVER1 as a... (4 Replies)
Discussion started by: tatchel
4 Replies

10. Shell Programming and Scripting

check ssh connection to remote host

I am using KSH and I need to check whether the remote host has been configured with ssh public key. Is there any way we can check inside a script? (6 Replies)
Discussion started by: praveenbvarrier
6 Replies
Login or Register to Ask a Question