This is the most common client
http://www.chiark.greenend.org.uk/~sgtatham/putty/download.html

This client is PuTTY with some extra features which are really helpful
http://kitty.9bis.net/

Download “puttygen”
http://www.chiark.greenend.org.uk/~sgtatham/putty/download.html

- Select SSH-2 RSA
- 2048 bit or higher
- Click generate
- Edit comment
- Set a passphrase to secure your key
- Save public and private key
- Copy the key on top into your “authorized_keys”-file

Connection → Data → “Auto-login username” → <yourlogin>
Connection → SSH → “Remote command” → “sudo su -”

Install Xming
https://sourceforge.net/projects/xming/

Enable X11
Connection → SSH → X11 → “Enable X11 forwarding”

Backup all sessions of the current user

regedit /e "%userprofile%\Desktop\putty-sessions.reg" HKEY_CURRENT_USER\Software\SimonTatham\PuTTY\Sessions

Backup all settings including sessions of the current user

regedit /e "%userprofile%\Desktop\putty.reg" HKEY_CURRENT_USER\Software\SimonTatham

Plink is PuTTY without GUI. You can use Plink (which is part of the PuTTY bundle) to connect to a Linuxsystem in Powershell via SSH.

$ips = Get-Content -path "ips.txt"  
 $password = "YOURPASSWORD"  
 $user = "root"  
 $command = "command.txt"  
 foreach ($ip in $ips) {  
   $remoteserver = $user+"@"+$ip  
   Write-Output "yes" | PLINK.EXE -ssh $remoteserver -P 22 -pw $password -m $command  
 }  

hostname
uptime

10.0.0.10
10.0.0.15
10.0.0.16