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other:putty_conf [2020/07/28 09:44] jypeter |
other:putty_conf [2022/08/03 08:59] jypeter [Configuring and using PuTTY/Pageant] |
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- | ====== Configuring and using Putty ====== | + | ====== Configuring and using PuTTY/Pageant ====== |
- | Putty is a free and easy to use [[other:ssh|ssh client]] for **Windows** (7 and 10). You can use it to connect to your favorite remote Linux servers in text mode, and start graphical applications if you also have a running [[other:win10wsl#installing_an_x_server|X server]] | + | PuTTY is a free and easy to use [[other:ssh|ssh client]] for **Windows**. You can use it to connect to your favorite remote Linux servers in text mode, and start remote graphical applications if you also have a running [[other:win10wsl#installing_an_x_server|X server]] |
===== Installation ===== | ===== Installation ===== | ||
- | Download and install the [[https://www.chiark.greenend.org.uk/~sgtatham/putty/|latest version of Putty]] | + | Official web site: [[https://www.chiark.greenend.org.uk/~sgtatham/putty/|PuTTY Web site]] |
- | ===== Launching Putty or Pageant ===== | + | You can install the latest version of PuTTY directly from [[https://apps.microsoft.com/store/detail/XPFNZKSKLBP7RJ|Microsoft Store]], or download the latest [[https://www.chiark.greenend.org.uk/~sgtatham/putty/latest.html|64-bit msi installer]] |
+ | ===== Launching PuTTY/Pageant ===== | ||
- | FIXME | + | You could directly launch PuTTY (''Start'' => ''PuTTY'' => ''PuTTY''), but it is actually **more efficient** to launch ''Pageant'', especially if you are regularly going to connect to the same server(s) |
- | * The best way to use PuTTY, is to use it with Pageant: | + | ''Start'' => ''PuTTY'' => ''Pageant'' |
- | * Start Menu => Putty menu => Pageant (this will just put the Pageant icon in the rightmost part of the taskbar, the icon may even me masked) | + | * It will seem that nothing happens, but you should get the //Pageant// icon at the bottom right of your screen.\\ {{ :other:putty_01_notes_v2.png?direct |}}\\ Pageant will allow you to create or use existing connection profiles (//Sessions//), and also easily use [[other:putty_conf#using_ssh_keys|ssh keys]] |
- | * Right-click on the Pageant icon and choose: | + | |
- | * **New session** to define a new server you want to connect to | + | |
- | * Recommended settings: FIXME | + | |
- | * **Saved Sessions** to connect to a server | + | |
- | * **Add key** to select a private ssh key and type/store the matching pass phrase (if you have a private ssh key you generated on Linux, you need to convert it with Putty Menu => PuTTYgen) | + | |
- | FIXME | + | * If you right click on the //Pageant// icon, you can manage sessions with the ''New Session'' option, use ''Saved Sessions'' profiles and manage //ssh keys// (''View Keys'', ''Add Key'').\\ You can also view/add //ssh keys// by double clicking on the pageant icon\\ {{ :other:putty_02.png?direct |}} |
- | ===== Adding and configuring a new session ===== | + | ===== Configuring PuTTY ===== |
- | ===== Making ssh tunnels with Putty ===== | + | Launch the PuTTY Configuration manager: (Right click on) ''Pageant'' => ''Saved Sessions'' or ''New Session''\\ {{ :other:putty_03.png?direct&300 |}} |
+ | |||
+ | * You can keep most PuTTY's default settings. This section will show you how to create your first //session profile//, with some **recommended options**.\\ \\ If you want to add another session later, just ''Load'' an existing (and properly configured) session, ''Save'' it under a new name, change the session details, and then save the session again | ||
+ | |||
+ | * When changing a setting, select a (sub-)**Category in the left part** of the PuTTY Configuration window, and change the displayed **settings in the right part** of the window. | ||
+ | |||
+ | * After changing the settings of an existing Session, **do not forget to go back to the //Session// category (at the top left of the Putty Configuration window) and click ''Save''!** | ||
+ | |||
+ | ==== Creating a new session ==== | ||
+ | |||
+ | In the ''Session'' Category: | ||
+ | * Specify a **Host Name**: e.g. ''ssh1.lsce.ipsl.fr'' for the //LSCE access server// (also called //LSCE gateway//) | ||
+ | * Specify a matching session name in **Saved Sessions**: e.g. ''ssh1'' | ||
+ | * Click on **Save** to save the new session (that will only have default settings for now)\\ {{ :other:putty_04.png?direct |}} | ||
+ | |||
+ | If you are in a hurry, you can connect to the Linux server specified in the //Host Name// field by clicking on **Open** | ||
+ | ==== Changing some useful settings ==== | ||
+ | |||
+ | * ''Load'' an existing session (e.g. the [[#creating_a_new_session|ssh1 profile]] defined above), that will serve as a **template (with the recommended settings)** for the future sessions | ||
+ | |||
+ | * In the ''Window'' => ''Selection'' category: | ||
+ | * Select **xterm** in the //Actions of mouse buttons// section.\\ This will allow you to use the mouse buttons in the PuTTY terminal the same way you would use them in an standard Linux //xterm// terminal: | ||
+ | * **Select** and **Copy** text (at the same time) with the **left button** | ||
+ | * **Paste** text with the **middle button**\\ {{ :other:putty_05.png?direct |}} | ||
+ | * In the ''Window'' => ''Appearance'' category: | ||
+ | * You can **choose a font more readable than the default one**!\\ We recommend the **Cascadia Code** font that comes with the [[other:win10apps#windows_terminal|Windows Terminal]] application (which means that you first have to install Windows Terminal first, but you will probably need it anyway) | ||
+ | * Use the ''Change...'' button in the ''Font settings'' section, and select ''Cascadia Code'' and ''Regular'' (you can also experiment with styles different from ''Regular'', and different font sizes)\\ {{ :other:putty_cascadia_font.png?direct |}} {{ :other:putty_cascadia_styles.png?direct |}} | ||
+ | * In the ''Connection'' => ''Data'' category: | ||
+ | * Specify your login name (on the LSCE servers) in **Auto-login username**. This way you won't have to type it when you connect to the Linux server!\\ {{ :other:putty_06.png?direct |}} | ||
+ | * In the ''Connection'' => ''SSH'' => ''Kex'' category: | ||
+ | * **<wrap hi>Unselect Attempt GSAPPI key exchange</wrap>**!\\ If you forget to do this, connecting to a server will seem to take forever (if it works at all)...\\ {{ :other:putty_gssapi.png?direct |}} | ||
+ | * In the ''Connection'' => ''SSH'' => ''Auth'' category: | ||
+ | * Select **Allow agent forwarding**. This is the same as [[/other:ssh#standard_usage|using ssh with the -A option]]\\ {{ :other:putty_07.png?direct |}} | ||
+ | * In the ''Connection'' => ''SSH'' => ''X11'' category: | ||
+ | * Select **Enable X11 forwarding**. This is the same as [[/other:ssh#standard_usage|using ssh with the -X option]]\\ {{ :other:putty_08.png?direct |}} | ||
+ | |||
+ | * When you have finished updating the settings, **do not forget to go back to ''Category'' => ''Session'' and Save the session**!\\ {{ :other:putty_09.png?direct |}} | ||
+ | |||
+ | * Click on ''Open'' to connect to the default host with the default settings, and check that things are working properly\\ The first time you connect to a server, you will get a ''PuTTY Security Alert'' window, where you have to click on ''Accept'' to tell PuTTY that you trust the connection to this new server\\ {{ :other:putty_new_host.png?direct |}} | ||
+ | |||
+ | ==== Adding more sessions ==== | ||
+ | |||
+ | [[other:putty_conf#launching_putty_pageant|Start Pageant]], and then the //PuTTY Configuration manager//: (Right click on) ''Pageant'' => ''New Session'' | ||
+ | |||
+ | === Direct connection to a remote server === | ||
+ | |||
+ | * Select an existing session (e.g. the [[#creating_a_new_session|ssh1 profile]] defined above) and click on **Load** | ||
+ | * Update the values of the **Host Name** and **Saved Session** (the name of the new profile you want) text fields, and settings | ||
+ | * connecting to **LSCE from INSIDE LSCE**: | ||
+ | * ''Host Name'' => ''obelix'' | ||
+ | * ''Saved Session'' => ''obelix (direct connection)'' | ||
+ | * connecting to [[https://documentations.ipsl.fr/MESO_User/Quick_start.html|ciclad]]: | ||
+ | * ''Host Name'' => ''ciclad.ipsl.upmc.fr'' | ||
+ | * ''Saved Session'' => ''ciclad'' | ||
+ | * do not forget to **specify your ciclad login** in: ''Connection'' => ''Data'' => ''Auto-login username'' | ||
+ | * you will also need an [[other:putty_conf#using_ssh_keys|ssh key]] if you want to connect to ''ciclad'' !! | ||
+ | * Go back to ''Category'' => ''Session'' and **Save** the session | ||
+ | |||
+ | === Connection through a gateway === | ||
+ | |||
+ | * Select an existing //gateway// session and click on **Load**.\\ For connecting to LSCE **from OUTSIDE LSCE**, select the [[#creating_a_new_session|ssh1 profile]]\\ If you are at LSCE, but use the //eduroam// or the //guest// **WiFi network**, you are considered as being //outside LSCE//! | ||
+ | * In the ''Connection'' => ''SSH'' category, specify the command used to connect to the target server in the **Remote command** field\\ e.g. **for LSCE**, use: | ||
+ | * ''ssh -X -A obelix'' (check the [[other:ssh#standard_usage|useful ssh options]] for more details on the options)\\ {{ :other:putty_10b.png?direct |}} | ||
+ | * Go back to ''Category'' => ''Session'', <wrap hi>specify a new profile name</wrap> in **Saved Sessions** (e.g. ''obelix via ssh1'') and **Save** the session\\ {{ :other:putty_11.png?direct |}} | ||
+ | |||
+ | ===== Daily usage of PuTTY/Pageant ===== | ||
+ | |||
+ | Note: PuTTY will ask your password each time you open a session, unless you have [[#using_ssh_keys|ssh keys, and you use Pageant to store your passphrase]] | ||
+ | |||
+ | ==== Starting a session from Pageant ==== | ||
+ | |||
+ | |||
+ | Once you have [[#launching_putty_pageant|started pageant]], and [[#using_putty_pageant|configured sessions]], you can easily open terminals on the remote servers by right-clicking on the pageant icon, and selecting a **Saved Session**. \\ {{ :other:putty_12.png?direct |}} | ||
+ | |||
+ | ==== Starting a session from a desktop shortcut ==== | ||
+ | |||
+ | It is possible to [[https://the.earth.li/~sgtatham/putty/0.77/htmldoc/AppendixA.html#QA.6.4|create a shortcut on the desktop to start a specific session]]! | ||
+ | |||
+ | * Right-click on the desktop and select ''New'' => ''Shortcut'' | ||
+ | * Specify the location of ''putty.exe'' in the //path// field, and click ''Next'':\\ ''%%"C:\Program Files\PuTTY\putty.exe"%%'' (**with** the quotes!) | ||
+ | * Specify the name of the shortcut (as it will appear on the desktop), and save the shortcut\\ e.g. ''obelix via ssh1'' | ||
+ | * Right-click on the shortcut and select **Properties**, then add the name of the desired profile to the content of the //Target// field | ||
+ | * Warning: | ||
+ | * you have to **use an existing session name** (as it appears in ''Pageant'' => ''Session'' => ''Saved Sessions'') | ||
+ | * you have to **use quotes correctly**, otherwise you will get an error message! | ||
+ | * Examples: | ||
+ | * ''%%"C:\Program Files\PuTTY\putty.exe" -load "obelix via ssh1"%%'' | ||
+ | * ''%%"C:\Program Files\PuTTY\putty.exe" -load "obelix (direct)"%%'' | ||
+ | * Click **OK** to save the changes | ||
+ | * You can now connect to the remote server just by clicking on the desktop shortcut, instead of right-clicking on the Pageant icon! | ||
===== Using ssh keys ===== | ===== Using ssh keys ===== | ||
+ | Read the [[other:ssh#using_ssh_keys|Using ssh keys]] section if you don't know what //ssh keys// are | ||
+ | ==== Existing ssh keys ==== | ||
+ | |||
+ | ==== Importing or creating ssh keys with PuTTYgen ==== | ||
+ | |||
+ | * Launch the PuTTY Key Generator:\\ ''Start'' => ''PuTTY'' => ''PuTTYgen'' | ||
+ | |||
+ | * If you already have a private ssh keys generated on another computer, ''id_rsa'', you just have to use PuTTYgen to **import the private key**, and save it to a ''.ppk'' file that ''Pageant'' can use | ||
+ | * Import the key (and type the passphrase, when asked) with: ''Conversions''=>''Import key''\\ {{ :other:putty_21.png?direct&300 |}} | ||
+ | * Then click on the ''Save private key'' button, and create a ''id_rsa.ppk'' file (or ''any_name_you_want.ppk'')\\ {{ :other:putty_22.png?direct&300 |}} | ||
+ | * If you don't have a set of ssh keys, follow the steps below to **create private and public keys** | ||
+ | * Make sure that the type of key (at the bottom of the PuTTYgen window) is ''RSA'' and that the number of bits is ''4096'' | ||
+ | * Click on the ''Generate'' button and move your mouse to generate some random information | ||
+ | * Type your ''Key passphrase'' and confirm it | ||
+ | * Click on the ''Save private key'' button, and create a ''id_rsa.ppk'' file (or ''any_name_you_want.ppk'')\\ {{ :other:putty_23.png?direct&300 |}} | ||
+ | * Click on the ''Save public key'' button, and create a ''id_rsa.pub'' file | ||
+ | * Click on ''Conversions''=>''Export OpenSSH key'', and create a (standard) ''id_rsa'' file\\ You will not need this file with Putty, but it is just in case you need to use your private key later on a Linux computer | ||