Enable Ssh On Mac From Command LineLogging in via SSH. From now on your SSH will be permanently. ssh -L 10001:localhost:80 [email protected] Please post if it was useful!. If you want to connect from the command-line to the site named Backup server in the directory foo/bar, the command is: filezilla -c "0/foo\/bar/Backup server". You can use PowerShell to manage a local machine and a remote machine as well. SSH or "Secure Shell" is a very useful, secure, and common network protocol for executing command line utilities and transferring files via secure copy, or scp. My laptop is a late 2011 MacBook Pro running OS X 10. Create the encryption keys using the crypto key generate rsa global configuration command. After your Virtual Machines are provisioned, you can connect to them using the Virtual Machine Console in the Customer Portal, or by using a standalone SSH (Secure Shell) client. io using SSH. Run SSH with PowerShell 30 August 2016 Comments Posted in PowerShell, Automation, SSH. I appear to have messed up my terminal (on an OSX if that matters) big time. 190 Connect via the web UI. Pick a command set from the drop down, click Add and Save. If you want a SSH-only tool (without the distractions of SSL) run the command: sshvnc instead of "ssvnc". October 2, 2012 11:40 AM PDT. Linux and Mac OS X come bundled with SSH clients by default. Then set up a ssh client to forward port 22 on 127. Port forwarding, or tunneling, is a way to forward otherwise insecure TCP traffic through SSH Secure Shell. How to Enable SSH on Ubuntu. To use this client, follow these steps: To open the Run dialog box, type Windows key + r. I prefer visualization so I want a vnc. Most people don't use the command line on a regular basis, so it can be a bit difficult to find the first time. The mysql command line client is connecting directly to RDS via an ssh tunnel. Posted on Tuesday August 28th, 2012 by Julien. Note: if you do not plan on port-forwarding your SSH port to the internet, there is no need to change the SSH port. We think, you should read this guide - Managing Multiple SSH Keys Through Command Line first before reading this one. This howto should help you with setting up an RSA public and private key setup from a Mac to an Ubuntu box. Common commands for Raspbian Jessie (which is based on Debian 8, and uses systemd) are: To start VNC Server now: sudo systemctl start vncserver-x11-serviced. log after upgrading from wheezy to jessie; it may or may not be the case with a fresh jessie install. Here, run the command ssh-keygen -A to generate security keys for the sshd server. Changing parameter settings. Setting Up An SSH Certificate For Ubuntu From A Mac. The DD-WRT Command Line. You can help protect yourself from scammers by verifying that the contact is a Microsoft Agent or Microsoft Employee and that the phone number is an official Microsoft global customer service number. The public key. When a command is shown on a line by itself as you might type it in a Terminal window, it follows a dollar sign that represents the shell prompt. To disable root login, open the main ssh configuration file /etc/ssh/sshd_config with your choice of editor. SSH key pairs allow an additional level of security that can be used in conjunction with the SFTP protocol. That is, if you are at the Operator level in the menu and select the Command Line Interface (CLI) option from the Main Menu, the CLI prompt appears at the Operator level. Navigate to: KEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU Ifthere's a value called UseWUServer, double click it to set data value to 0 or delete the UseWUServer, value and restart your computer. Hi Duncan, Want to restart the Management network from command line all, only able to find command for how to restart the Management agent. After completing installation, open command window and then run ssh; If you want a GUI ssh client you can use Putty. Start Mac VNC server from command line. xxx is the fully qualified name of the Mac or IP address. SSH is an encrypted and authenticated protocol. Be sure to include the BEGIN and END lines. It uses the DiskImages framework. The ssh client is recommended. Another crucial point to note is the use of SSH2 as opposed to using SSH1. To quickly open a PowerShell window, right-click the Start button or press Windows+X and choose “Windows PowerShell” from the menu. I prefer visualization so I want a vnc. I appear to have messed up my terminal (on an OSX if that matters) big time. Recommended SSH clients are: OS X: Use the buit-in SSH command line client using Terminal. You can create an SSH connection with the master node using the AWS CLI on Windows and on Linux, Unix, and Mac OS X. Then customize a little bit the Powershell because the defaults are just crime against humanity. Note: if you do not plan on port-forwarding your SSH port to the internet, there is no need to change the SSH port. The OpenSSH for Windows package provides full SSH/SCP/SFTP support. Type in the following command in to terminal: ssh [email protected] SSH is actually a suite of three utilities; slogin, ssh, and scp - that are newer versions of the earlier: rlogin, rsh, and rcp. NET library. In PuTTY for Windows, you can enable X forwarding new or saved SSH sessions by selecting Enable X11 forwarding in the "PuTTY Configuration" window ( Connection > SSH > X11). You can just specify the command after the options, username and hostname. When you generate the keys, you will use ssh-keygen to store the keys in a safe location so you can bypass the login prompt when connecting to your instances. This file contains keyword-value pairs, one per line, with keywords being case insensitive. To reset your router configurations back to the original factory settings, follow the steps below. Remember that Mac OS X includes native support for SSH. ssh/rc if present. Take note of the command displayed underneath the words "Remote Login: On" in the upper middle part of the screen. This chapter gives an introduction to the Gaia command line interface (CLI). and their dependencies. The aim of post is to install git on Windowns and then configure it. In this post we will see how to enable SSH or Secure Shell service on our Ubuntu 18. Command Line File Transfer. This wikiHow teaches you how to open the Terminal (command prompt) application in macOS using Launchpad, Spotlight, or Finder. oregonstate. 14 and later. If issued on my laptop while I’m at home, this would open up a tunnel from port 10001 on my laptop to port 80 on my HTPC. However, it would be neat if you could mount a remote…. Command Line. The Dell RACADM (Remote Access Controller Admin) utility is a command line tool that allows for remote or local management of Dell Servers via the iDRAC or DRAC. If we need to open a Windows Server 2008 or Windows 7 command prompt from a Mac OS X computer, we don’t need to worry about WinRM or all that jazz. # vi /etc/ssh/sshd_config. Pick a command set from the drop down, click Add and Save. Here is an example of creating a passwordless connection from linuxsvr01 to linuxsvr02 using SSH public key authentication. app, and press Enter to execute it. To list the cmdlets to get help for from the command line, use something like this, after you've loaded the module. Below are few examples on how to use this command. The ssh command to log into a remote machine is very simple. SSH (or secure shell) is an encrypted networking tool designed to allow users to log in securely to various different types of computers remotely over a network. So you have to do it manually. To disable root login, open the main ssh configuration file /etc/ssh/sshd_config with your choice of editor. Chapter 1 Using the Command-Line Interface Using Commands privilege Command privilege parameters prompt Define default prompt radius-server Configure RADIUS related parameters resequence Resequence a list with sequence numbers rib Configure RIB parameters rlir config commands for RLIR rmon Remote Monitoring role Configure roles. This works in either a PowerShell window or a Command Prompt window, so use whichever you prefer. SSH has its own command line escape sequences. Once enabled I also need to add the admin account that previously I. You cannot do ssh from the command line like you do with telnet. Only one person logged in as admin can work in config mode at a time. Accessing Lakka command line interface. In this tutorial we will see some tools to execute one command on multiple remote servers using ssh. Open a shell. They are extracted from open source Python projects. Command-Line Remote Access. To reset your router configurations back to the original factory settings, follow the steps below. Here is the quick and easy guide on how to enable SSH on Raspberry Pi device. ssh is the command that we type, which feels small enough to sound like it is something built into the operating system you use (much like typing cd changes a directory) but actually ssh is a program that needs to be installed on the machine. May 17 2017. Step 1: Create your SSH keys. Create the encryption keys using the crypto key generate rsa global configuration command. That is, if you are at the Operator level in the menu and select the Command Line Interface (CLI) option from the Main Menu, the CLI prompt appears at the Operator level. Secure Shell (SSH) is a feature of Linux that allows you to effectively open a terminal session on your Raspberry Pi from the command line of your host computer. The AWS CLI introduces a new set of simple file commands for efficient file transfers to and from Amazon S3. Click Save. You can use an empty boot file or raspi-config, which you first saw back in Lesson 2 (https://adafru. having no graphical user interface (GUI), you need to access them through the command line. ( Open the command prompt as “administrator” if it doesn’t work when you open the shell the first time “ As you probably already know, you can enable Bash on Windows 10 by installing the Windows subsystem for Linux using the remove/add features in control panel. Open Terminal and paste in this command and hit Return: ssh [email protected][server. To enable Telnet access, enter the telnet cli command from a serial. At the heart of every modern Mac and Linux computer is the “terminal. I have googled a lot of pages on how to enable a vnc over ssh and most of them suggest that I first key in "ssh -L 5901:localhost:5901 -N -f -l username remote_IP" on a terminal and give the password when prompted. Reboot by running sudo reboot. This howto should help you with setting up an RSA public and private key setup from a Mac to an Ubuntu box. Plink (PuTTY Link) is a command-line connection tool similar to UNIX ssh. System Services Overview, Configuring Telnet Service for Remote Access to a Router or Switch, Configuring FTP Service for Remote Access to the Router or Switch, Configuring Finger Service for Remote Access to the Router, Configuring SSH Service for Remote Access to the Router or Switch, The telnet Command, The ssh Command, Configuring SSH Host Keys for Secure Copying of Data, Configuring the. Question: I am aware that there exist SSH protocol version 1 and 2 (SSH1 and SSH2). Using SSH (Secure Shell) Secure Shell (SSH) provides a secure way for you to access your account from the command line. It uses the DiskImages framework. 3- configure "Login Local" this where its behave normal. It is for advanced users only. Or anything for that matter. com' cannot be established. The configuration enables SSH login from the Mac host to a Linux virtual machine in the Virtual Machine Library. This is your basic command prompt. txt After the editor starts, press i to turn on insert mode. configure Firefox to use it. Now you know how you can connect to your remote Linux server with SSH with the native tools offered by Windows. ssh/authorized_keys does not yet exist, replace the above cat command with cat temp. The CLI is an interface, based on text. I have googled a lot of pages on how to enable a vnc over ssh and most of them suggest that I first key in "ssh -L 5901:localhost:5901 -N -f -l username remote_IP" on a terminal and give the password when prompted. In this article we will refer to the SSH configuration files, although they also apply to SFTP and SCP. This tutorial explains how to enable SSH on the Raspberry Pi. Enter the password when prompted. In PuTTY for Windows, you can enable X forwarding new or saved SSH sessions by selecting Enable X11 forwarding in the "PuTTY Configuration" window ( Connection > SSH > X11). For example, You can use the doit command to get things done. Learn how to control a remote Mac with Screen Sharing with the kickstart command-line utility in macOS Mojave 10. By default if we Enable SSH in Cisco IOS Router it will support both versions. SSH2 improves on a lot of the weaknesses that existed within SSH1 and for this reason I recommend always using SSH2 where possible. If you need to access CVS repositories over the internet with good security, you can use SSH encryption software as an intermediary between MacCVSClient and CVS server. I sometimes need to install updates remotely on a server I maintain. I use this on Windows 10 where the command prompt window is resizable and supports copy/paste and it works great. Get started You can find the kickstart tool at:. 2 -s: remote command is SSH subsystem. Configuring line telnet or line SSH with enable, login and password command also won’t enable telnet access. Mac OSX ships with a built-in SVN command-line client. ssh and if the file ~/. This section provides information on how to manage your SecurePlatform system, using the SecurePlatform Command Shell. Note: If the final destination host and port are not on the Secure Shell server host, data is sent in the clear between the Secure Shell host and the application server host. Connect to the client via the VPN and log in via SSH. Follow the instructions in this article to enable SSH for remote management of a Smoke for Mac OS workstation. exe into Start Menu to open registry editor. As of April 2018, Windows 10 includes a native SSH client and enables it by default. If you don't mind the 4GB, by all means go for Xcode. On the ARCHER system interactive access can be achieved via SSH, either directly from a command line terminal or using an SSH client. How To Enable Ssh In Linux Command Line You can check for an SSH client by typing ssh at the command line. 78-21485-01 Command Line Interface Reference Guide 3 Contents Table of Contents 1 Summary of New/Modified Features for 300 Family, Release 1. Below are few examples on how to use this command. ssh/authorized_keys does not yet exist, or it will clobber the file rather than append to the bottom of it. 1(a)x of the Programming Project #1 specification. Terminal savvy users might also find it useful to know that you can enable and disable SSH server from the Mac command line as discussed here. exit; Connect to the Master Node Using the AWS CLI. The DD-WRT Command Line. How To Enable Ssh In Linux Command Line You can check for an SSH client by typing ssh at the command line. 1 Overview The Integrated Dell Remote Access Controller (iDRAC) is designed to make server administrators more productive and improve the overall availability of Dell servers. Macs and linux/unix machines have it built in. Secure Shell or SSH is a network protocol that allows you to run commands on a remote device. Apple Remote Desktop gives you the complete tools you need to control all the Mac computers in your network right from your own computer. By default, SSH automatically disconnects inactive or idle connections after a certain interval. Chapter 1 Using the Command-Line Interface Using Commands privilege Command privilege parameters prompt Define default prompt radius-server Configure RADIUS related parameters resequence Resequence a list with sequence numbers rib Configure RIB parameters rlir config commands for RLIR rmon Remote Monitoring role Configure roles. We also see how to enable root access again as well as how to limit ssh access based on users list. You can use the esxcli network ip command to do a number of different things include listing and editing the interfaces, routes and dns servers. It is an excellent method for managing your A2 Hosting solution from the command line. Many hosting services offer their client the ability to remotely login to their hosting account using ssh. com] -D 2001 When Terminal asks for a password enter: [server-password] (Terminal doesn’t show characters as you type. However, for the purposes of getting Git and Github setup, you'll only need a specific set of command line tools 2 which fortunately take up much less space. Being able to control your Mac remotely via SSH, or secure shell, is far more advantageous than screen sharing as it uses less system resources and less bandwidth. The ssh command to log into a remote machine is very simple. This section is intended to provide a high-level procedure for enabling SSH between the systems involved in the Nessus credential checks. Smart card authentication provides strong two-factor authentication in macOS Sierra and later. com' cannot be established. Remote Access. Mac OS X and Linux - OpenSSH is a command-line SSH suite that is packaged with Mac OS X and virtually every Linux distribution. iDRAC alerts administrators to server issues, helps them perform remote server management, and reduces the need for physical access to the server. The CLI is an interface, based on text. It allows us to be able to use command-line without actually being on the Pi. Then key in. It can be used to extract the original arguments. It also works via Apple Remote Desktop. Some I have come up with, some I have simply scraped off the forums. Related Posts: How to enable auto login in Putty for ssh connections. ssh [email protected] I use this on Windows 10 where the command prompt window is resizable and supports copy/paste and it works great. The SSH included with your Mac is a little different from the one which you would have installed on a Windows machine. ” The terminal evolved from the text-based computer terminals of the 1960s and ’70s, which themselves replaced punch cards as the main way to interact with a computer. This technology is fantastic for a lot of Raspberry Pi projects that don't require you to be on the Pi itself. The other option comes in handy when the local host doesn't have an SSH server running. By default if we Enable SSH in Cisco IOS Router it will support both versions. We can classify the process to into these 4 simple steps below: 1. Click Add key. The command enables a more secure remote connection to another Mac and subsequently running commands on the remote host. virt-convert is a command line tool for converting OVF and VMX VM configurations to run with libvirt. SSH to HP 1920 and enable cmdline-mode. Find The MAC Address From The Command Line In Ubuntu 14. Of course, this should be possible with other OS's but I have not tested it. Using Command-Line SFTP SFTP is Secure File Transfer Protocol. sudo aptitude install ssh. SSH to Server Without Entering Password From Mac (OS X) – Known Method, We Practically Do It, But Problems are Common. Transferring files to an from an ssh account can be done using the scp command. You want to use Linux and OpenSSH to automate your tasks. Secure Shell (SSH) is an alternative protocol used for securely gaining access to a remote system. The download file is named "cotvnc-20b4. ConnectHandler(). SSH_TTY This is set to the name of the tty (path to the device) associated with the current shell or command. You can just specify the command after the options, username and hostname. Recent versions of Rasbpian do not enable SSH access by default. edu and ieng9. A Complete Guide To Tomcat Start-Up Manual, Automatic, and Remote At first glance, starting up the Tomcat Server is a simple task. But for many use cases, the command line is. Here’s how to enable Secure Shell (SSH) service in Ubuntu 16. You can open up a terminal window and run the ssh command like below to connect to a remote Linux server. It is intended as an introduction to this technology for intermediate to advanced computer users in the hopes that it will be useful. How to Turn on Windows 10 SSH in Command Prompt (CMD) Secure Shell or secure socket shell was also known as SSH is a network protocol. The Raspberry Pi will act as a remote device: you can connect to it using a client on another machine. Drac is assessable via several interfaces Local, SSH/Telnet, and Remote RACADM. If you have set operator and/or manager passwords, don’t copy/paste the lines which start with password. ssh/authorized_keys does not yet exist, or it will clobber the file rather than append to the bottom of it. The configuration enables SSH login from the Mac host to a Linux virtual machine in the Virtual Machine Library. It's my personal laptop, so I use it for everything - browsing, e-mail, and programming. Even though there are many articles on the subject still it took me a considerable amount of googling, some experimenting and couple of Wireshark sessions to grasp what's…. How to Get to the Command Line on a Mac. I have been collecting Sophos UTM useful command-line shell commands and procedures. Here's an example of how to connect to the Apple TV using Terminal. Click SSH keys. "SSH" is also used among web developers in casual conversations to refer to using the command line with SSH. Or click "SSH-Only Mode" under Options. For example, You can use the doit command to get things done. To test that agent forwarding is working with your server, you can SSH into your server and run ssh -T [email protected] Then start the service: sudo /etc/init. These instructions have also been tested on Pi Zero W. Options @[:<#TCP port>] A user can specify the user name in front of at-mark. Regarding keys, ssh assumes a default key or you can specify a key with the “-i” flag as described by another poster above. In this example, I just enable and configure SSH on SW1 and trying to access it from PC1. Then restart the ssh server with this command: service sshd restart. For those that need to work constantly on SSH, it can be very frustrating when the system cut you off after a period of time. You can even save task settings as templates and apply them in the future, or use one of more than 30 included sample scripts. Be sure you have an ip address (e. Hi Duncan, Want to restart the Management network from command line all, only able to find command for how to restart the Management agent. Commands or command parameters that you might type, along with other text that normally appears in a Terminal window, are shown in this font. All commands, which you pass to Web Console, executed using that user account. Using SSH keys. It’s enough to learn how to configure SSH on Cisco router. 2) Open a new Terminal window. ssh -L localhost:2000:localhost:3306 [email protected]_IP_ADDRESS. Command Line File Transfer. The Mac has another user account, which doesn't have remote access. pscp is a shell command that works almost on Windows Shell almost the same way that scp works on Linux or Mac OS X, you first need to download it from this page, here is the direct link. From now on your SSH will be permanently. All modern Macs running macOS or Mac OS X come with SSH pre-installed by default, but the SSH (Secure Shell) daemon is also disabled by default. Remote Login is a feature in macOS that allows you to connect to your Mac from another computer. I sometimes need to install updates remotely on a server I maintain. Most people don't use the command line on a regular basis, so it can be a bit difficult to find the first time. R1> R1>enable R1#configure terminal Enter configuration commands, one per line. Method 1: Windows 10's Built-in SSH Client. Or anything for that matter. Forcepoint Appliances: CLI Guide 3 Forcepoint Appliances Command Line Interface To move from view to the diagnose mode, enter diagnose on the command line. Be sure to include the BEGIN and END lines. It'll generate below output: Linux Execute multiple commands. If you want a SSH-only tool (without the distractions of SSL) run the command: sshvnc instead of "ssvnc". Once your terminal is open you can start your SSH session as root using the following command: ssh [email protected] To remotely access your server via the command, you just have to launch it with the key combination Windows + r and then enter cmd. Enable X11-forwarding ¶ X11 forwarding allows you to securely run graphical applications (that is, X clients) over the SSH connection. If sshd_config includes #X11Forwarding no (or just X11Forwarding no), uncomment out the line (remove the leading #), and change it to X11Forwarding yes. SSH or secure shell for anyone who is unfamiliar with the term is a common cryptographic protocol for communication over networks. You can access BonJour (nee Rendezvous) discovery services from the command line by using the command dns-sd in 10. How to Enable SSH Server for Remote Login on Debian 9. Mac OS X command. Per default the remote command line execution is enabled on an IVM based system - as soon as you'll login to the Virtual I/O Server (VIOS) running as LPAR1 either using telnet, ssh or a local console you can invoke the commands. Secure Shell (SSH) is a cryptographic network protocol for secure data communication, remote shell services or command execution and other secure network services between two networked computers that connects, via a secure channel over an insecure network, a server and a client (running SSH server and SSH client programs, respectively). This enables several useful features. It is intended to provide secure encrypted communications between two untrusted hosts over an insecure network. -c COMMAND or --command COMMAND - This executes a single SSH command, prints out the stdout and stderr, and exits. NOTE Telnet access is disabled by default. Mac OS to: Set up a Microsoft Azure account. In my picture this is a router but you can run SSH server on many devices including Windows, Linux, Mac, routers but also storage devices from Synology or Qnap. You can reuse an existing Secure Shell connection. We have appended command to be executed (highlighted in red color). ssh -L 10001:localhost:80 [email protected] On the CISCO command-line interface, there is the shutdown interface configuration command to disable an interface and the no shutdown command to enable it. Once enabled I also need to add the admin account that previously I. This will launch Bash command line interface. This command will connect to the SSH server on port 22, which is the default. Therefore you need an automatic login from host A / user a to Host B / user b. CMake defaults to C and CXX so if you do not have compilers for C++ installed you may need to specify the language supported so that CMake doesn’t search for it. Secure Shell (SSH) is a cryptographic network protocol used for a secure connection between a client and a server. com (where host. Partial indicates that while it works, the client lacks important functionality compared to versions for other OSs but may still be under development. The configuration enables SSH login from the Mac host to a Linux virtual machine in the Virtual Machine Library. Third, some systems are using a graphical environment that is not X11. Global configuration mode d. Setting Up SSH. Open your Terminal application. The usual way is to enable the ssh service for command line access. If you enable SSH on your There's an easier way thanks to SSH, the remote command line tool that Linux and Unix users have. This enables remote GUI apps without the need for full VNC or remote desktop setup. The command initiated on the VTY line configuration is transport input ssh. Be sure to put the network interface in bridged mode. Options @[:<#TCP port>] A user can specify the user name in front of at-mark. The SonicOS Enterprise Command Line Interface (E-CLI) provides a concise and powerful way to configure Dell SonicWALL network security appliances without using the SonicOS Web based management interface. ForceCommand Forces the execution of the command specified by ForceCommand, ignoring any command supplied by the client and ~/. SSH File Transfer with PuTTY How to upload and download files through SSH using PuTTY (for Windows users) In this tutorial we'll show you how to transfer files from your local computer to your hosting account and vice versa through SSH (Secure Shell) using PuTTY. If you use a Mac or run Linux, you’re in luck, as Mac OS X and Linux both come with a built-in SSH client. Now, open an elevated command prompt. -m mac_algorithm. One common source of SSH key problems is that Heroku has been configured with a key that’s different the key your git command is offering to Heroku. In the case of the Raspberry Pi can you execute commands over your network from another device such as a PC or laptop. How to check the status of, enable and disable Filevault for Mac users within Terminal. Get mac addresses from CMD. Avaya Command Line Interface Commands Reference Introduction This guides describes the Avaya Command Line Interface (ACLI) commands for the configuration of various features in Avaya ERS3500 for the 5. When connecting to a system remotely using SSH (Secure Shell), usually you provide the SSH command string to log in to the system. / (and not \) is used to separate directories in a path, just like the interweb. ssh and if the file ~/. We also see how to enable root access again as well as how to limit ssh access based on users list. Once is pressed, the router prompt changes to: Router#. Type in the following command in to terminal: ssh [email protected] Over ten years ago (that would be back in 2002 as of this writing), I went searching for a good, general page that would explain how to do passwordless logins using ssh-agent and didn't find much at the time (now there is much more out there). From a Mac you can easily connect to your Linux server using the terminal and ssh command. Under the sharing preferences there is a 'Remote Login' option that requires a single click to be activated. You can now use the SSH client by running the ssh command. Here is the quick and easy guide on how to enable SSH on Raspberry Pi device. The command will return two values: ) exit-code: returns 0 if the command execution succeeded) output: returns the output of remotely executed command. SSH (“Secure SHell”) is a protocol for securely accessing one computer from another. If the current session has no tty, this variable is not set. Take Command Console of TCC is the next best Windows command prompt alternatives. -s service. This is the easiest method to enable the "root" account on a Mac if you are more of a CLI person:. After completing installation, open command window and then run ssh; If you want a GUI ssh client you can use Putty.