(Ruby) SSH Execute Remote Commands

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Shows how to execute a command on an SSH server and retrieve the command output.

Chilkat Ruby Downloads install from rubygems.org gem install chilkat or download... Ruby Library for Windows, MacOS, Linux, Alpine Linux

require 'chilkat'

# This example requires the Chilkat API to have been previously unlocked.
# See Global Unlock Sample for sample code.

ssh = Chilkat::CkSsh.new()

port = 22
success = ssh.Connect("the-ssh-server.com",port)
if (success != true)
    print ssh.lastErrorText() + "\n";
    exit
end

# Authenticate using login/password:
success = ssh.AuthenticatePw("theSshLogin","theSshPassword")
if (success != true)
    print ssh.lastErrorText() + "\n";
    exit
end

# Send some commands and get the output.
strOutput = ssh.quickCommand("df","ansi")
if (ssh.get_LastMethodSuccess() != true)
    print ssh.lastErrorText() + "\n";
    exit
end

print "---- df ----" + "\n";
print strOutput + "\n";

strOutput = ssh.quickCommand("echo hello world","ansi")
if (ssh.get_LastMethodSuccess() != true)
    print ssh.lastErrorText() + "\n";
    exit
end

print "---- echo hello world ----" + "\n";
print strOutput + "\n";

strOutput = ssh.quickCommand("date","ansi")
if (ssh.get_LastMethodSuccess() != true)
    print ssh.lastErrorText() + "\n";
    exit
end

print "---- date ----" + "\n";
print strOutput + "\n";

# --------------
# Sample output:

# 	---- df ----
# 	Filesystem    512-blocks      Used  Available Capacity  iused     ifree %iused  Mounted on
# 	/dev/disk2    2176716032 265736304 1910467728    13% 33281036 238808466   12%   /
# 	devfs                382       382          0   100%      662         0  100%   /dev
# 	map -hosts             0         0          0   100%        0         0  100%   /net
# 	map auto_home          0         0          0   100%        0         0  100%   /home
# 	/dev/disk3s2      374668    374668          0   100%    93665         0  100%   /Volumes/Google Chrome
# 
# 	---- echo hello world ----
# 	hello world
# 
# 	---- date ----
# 	Thu Dec 22 17:19:32 CST 2016