dssh.sh

ssh client script for distributed systems

Requirements

• bash
• ssh
• *nix basic commands (xargs, cat, and so on)

Install

Place dssh.sh to a directory which definition in PATH environment variable.

curl -L https://raw.githubusercontent.com/negokaz/dssh.sh/main/dssh.sh \
    -o /usr/local/bin/dssh.sh
chmod +x /usr/local/bin/dssh.sh

Usage

Watch log being in destination servers

dssh.sh --ssh [email protected] --ssh [email protected] tail -F /var/log/messages

Watch log with destination file

dssh.sh -f ssh.dests tail -F /var/log/messages

Collect ERROR logs on server and sort they on localhost

dssh.sh -f ssh.dests --no-label bash -c 'cat /var/log/messages | grep ERROR' | sort | less -R

Publish a file to destination servers

cat source.txt | dssh.sh -f ssh.dests --silent tee /tmp/dest.txt

Fetch files from destination servers

dssh.sh -f ssh.dests -o out -a messages.log --silent cat /var/log/messages

Destination file format

A destination file (*.dests) is a file that contains destinations for ssh.

Destinations are separated by line feeds like this:

# This is a comment
[email protected]

[email protected] # You can place comments like a shell script

License

Copyright (c) 2019 Kazuki Negoro

dssh.sh is released under the MIT License