All Questions
Tagged with shell-script ssh
383 questions
9
votes
7
answers
969
views
Check if multiple files exist on a remote server
I am writing a script that locates a special type of file on my system and i want to check if those files are also present on a remote machine.
So to test a single file I use:
ssh -T user@host [[ -f /...
- 193
0
votes
0
answers
49
views
SSH Agent Scope Issue with i3 and Detached Process
I have an issue with scope of ssh-initialization.
I have following script for ssh-init.sh:
#!/bin/zsh
check-ssh-agent() {
[ -S "$SSH_AUTH_SOCK" ] && { ssh-add -l >& /dev/...
0
votes
1
answer
61
views
Commenting out a line item in a text file that my bash .sh file refers to
I have an ssh .sh bash script file i'm running on a cron to check website status. The bash script (when ran) refers to a local txt file for a list of websites to check if they're down or up. ...
- 103
0
votes
1
answer
93
views
Evaluating exit code of pipe or fifo
So i have something along the lines of:
set -eo pipefail
ssh localhost "ls; exit 1" | cat > output
I thought pipefail would prevent cat to write to ouput (because of the exit code from ...
- 103
0
votes
1
answer
185
views
How can root get access to SSH_TTY
I think that SSH_TTY is an environment variable set by ssh that holds the device node of the current virtual terminal; e.g. /dev/pts/0, /dev/pts/1 , etc.
I know that when I'm logged in to an SSH ...
- 3,782
0
votes
1
answer
118
views
Adding an account via SSH not working with openssl
I am trying to add a user account to my remote server (running on Ubuntu 22.04) via SSH using below script:
#!/bin/bash
protect="y"
ssh -i ssh_key [email protected] <<END
sudo deluser ...
- 103
1
vote
2
answers
214
views
Multiple ssh sessions with different users
I am writing a script that connects to multiple servers which uses 3 different users.
#!/bin/ksh
server1=("abc1" "abc2")
server2=("abc3" "abc4")
server3=("...
- 73
0
votes
2
answers
80
views
Testing for dir via ssh script - nothing happens
I usually run server scripts like this, with a here-document.
But when I test if a directory exists, the script continues even though the test fails -- why?
ssh $user@$ip /bin/bash <<SCRIPT
if [...
- 236
4
votes
3
answers
573
views
Two ssh output as awk input
I have two remote servers that I am trying to ssh and cat some files.. I want to input the output of the ssh to a awk command.
This is what I have got
ssh username@host1 “cat /tmp/test/*” ssh ...
- 73
0
votes
0
answers
84
views
How do I make a .bashrc shell function interactive?
eshark() {
ssh root@$1 'tcpdump -i $2 port 5060 -vv -s0 -Uw - ' | sudo tshark --interface - --print -w $3.pcapng
}
When I run this, on a Linux machine, it says capturing on stdin whereas when I run ...
- 11
0
votes
2
answers
285
views
How to execute local script (which executes another local script) in remote machine
I've written some script which looks like the following
main.sh
ls
./os.sh
os.sh
cat /etc/os-release
executing like
ssh user@serverA "bash -s" < ./main.sh "hi" "bye"
...
- 103
0
votes
0
answers
845
views
How to use heredoc inside my ssh command
I have a bash script that connects to a remote machine via SSH and runs a series of commands.
It seems that the heredoc within the outer script is not aligning properly, and I keep getting an error.
-...
- 1,917
0
votes
1
answer
533
views
How to make a script to forward commands to an SSH server?
I have a remote SSH server with several custom utilities for my work. However, there are times when I feel lazy and don't want to start a full SSH session just to execute a single command.
This ...
- 241
0
votes
0
answers
200
views
Continue running on remote linux server in an conda environment
I am working in a conda environment and want to keep running after my disconnect. Normally, I use nohup for this purpose but is it possible to use nohup in a conda environment?
nohup bash program.sh ...
- 19
1
vote
2
answers
3k
views
How can I encrypt a password in a bash script?
I created a shell alias that runs a simple shell script.
The script is shown below, it sshs into another Linux machine:
#!/bin/bash
sshpass -p 'P@ssw0rd' ssh username@hostname
I would like to encrypt ...
