All Questions
14
questions
29
votes
2
answers
6k
views
How to execute an arbitrary simple command over ssh without knowing the login shell of the remote user?
ssh has an annoying feature in that when you run:
ssh user@host cmd and "here's" "one arg"
Instead of running that cmd with its arguments on host, it concatenates that cmd and ...
- 554k
33
votes
4
answers
14k
views
Quoting in ssh $host $FOO and ssh $host "sudo su user -c $FOO" type constructs
I often end up issuing complex commands over ssh; these commands involve piping to awk or perl one-lines, and as a result contain single quotes and $'s. I have neither been able to figure out a hard ...
- 615
25
votes
3
answers
33k
views
ssh command with quotes
I have an odd error that I have been unable to find anything on this. I wanted to change the user comment with the following command.
$ sudo usermod -c "New Comment" user
This will work while logged ...
- 641
15
votes
3
answers
4k
views
How do ssh remote command line arguments get parsed
I've seen the questions and answers about needing to double-escape the arguments to remote ssh commands. My question is: Exactly where and when does the second parsing get done?
If I run the ...
- 636
3
votes
1
answer
391
views
View remote value of $PATH inside shell script
When executing this bash script, it only shows my local path.
ssh ${REMOTE_HOST} 'bash -s' <<EOL
set -e
source ~/.profile
echo $PATH
# Commands here don't work because $PATH is ...
- 133
17
votes
3
answers
59k
views
Remote for-loop over SSH
I have the following in a script
for server in ${servers[@]}; do
echo ${server}
ssh user@${server} "for i in /tmp/foo* ; do echo ${i}; done"
done
But it doesn't work. Weird thing, I see $I ...
- 293
5
votes
2
answers
18k
views
About escape with SSH pipe
I want to execute the awk command with long parameters,like this:
ssh host "netstat -rn|awk 'NR!=1 && NF>=6 && $1!="Destination" {printf "%-15s %-20s\n", $1, $2}'|sort -f "
but ...
- 51
4
votes
2
answers
13k
views
How to run a remote sed command through ssh if the data includes double quotes ("")?
I'm trying to run through a list of servers and run the next command:
itaig@itaig-lt:~$ ssh root@$srvname "sed -i 's/VNCSERVERARGS[6]="-geometry 1920x1080"/VNCSERVERARGS[6]="-geometry 1152x864"/g' /...
- 788
3
votes
1
answer
561
views
Why do I get an error when double quoting single quotes in a script that launches a remote SSH command?
I have this script:
port=$1
cmd=$2
ssh [email protected] -p $port "'"$cmd"'"
When running myscript.sh 1000 "ls /dev/shm" it get this error:
bash: ls /dev/shm: No such file or directory
In the script, ...
- 1,079
3
votes
2
answers
3k
views
Execute command through SSH
I am writing a script to check whether all the servers in my organization are functioning properly. One of those is Zimbra mail server. I am trying to send a mail through sendmail provided by zimbra ...
- 4,330
2
votes
2
answers
7k
views
Using exec in find over ssh from shell script
So, I am attempting to execute the following from within a shell script;
ssh -q $CUR_HOST "cd $LOGS_DIR; echo cd $LOGS_DIR; find . -name *.log -mmin +1440 -exec gzip {} \; exit"
When this runs, it ...
- 143
2
votes
1
answer
1k
views
Copy newest file in directory over SSH
How might one copy the newest text file from a particular directory on a remote server to his local machine?
On the server itself I can do the following:
$ cat `cd /home/user/dir ; readlink -f $(ls -...
- 16.1k
2
votes
2
answers
5k
views
How to escape quotes in shell within both usage of ssh and sudo?
In one word:
question and example could test locally:
sh -c "echo 'how to print single quote here'"
details:
I have a config like this:
upload_server = ('192.168.1.1', 10051)
now I need a shell ...
- 121
0
votes
2
answers
2k
views
Run ssh command without quotes
You can execute a command on a remote server using
ssh user@host 'the command'
but is there a way to execute the command without quotes?
(I am on BSD and using OpenSSH)
- 10.3k