Ruby

SSH Execute Remote Commands

See more SSH Examples

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

require 'chilkat'

success = false

# 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