Changes between Version 19 and Version 20 of User Guide/Remote Access


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Timestamp:
Nov 21, 2024, 5:17:56 PM (13 days ago)
Author:
sreeramm490
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  • User Guide/Remote Access

    v19 v20  
    22== Remote Access
    33
    4 === To User account and Files
    5 Users with an account can always access their Home Directories, and files, and run basic scripts, by SSH and connecting to {{{ ssh YOUR_USERNAME@gw.cosmos-lab.org }}}. Detailed instructions are available at: [wiki:./Console Connecting to a console page].
     4=== Access to User Account and Files
     5Users without a reservation can always access their account's home directories, files, and BASH scripts through SSH by connecting to: \\
     6{{{#!div style="font-size: 100%"
     7  {{{#!shell
     8  ssh USERNAME@gw.cosmos-lab.org
     9  }}}
     10}}}
     11=== Access to Consoles
     12The [wiki:UserGuide/RemoteAccess/Console domain consoles] can be accessed the same way as the gateway (above), with the following differences:
     13{{{#!div style="font-size: 100%"
     14  {{{#!shell
     15  ssh USERNAME@console.DOMAIN.cosmos-lab.org
     16  }}}
     17}}}
     18* Consoles can '''ONLY''' be connected to a current (and approved) [wiki:GettingStarted#MakeaReservation reservation].
     19* In addition to home directories access and computing/running scripts, consoles can run [http://omf.orbit-lab.org OMF] commands to [wiki:Resources control resources] within their [wiki:Architecture/Domains domain].
     20* Consoles share a [wiki:Architecture/Network#ControlPlane Control Network] with [wiki:Resources resources] within their [wiki:Architecture/Domains domain].
    621
    7 === To Consoles
    8 The [wiki:UserGuide/RemoteAccess/Console domain consoles] can be accessed the same way as the gateway (above), with the following differences:
    9 1. Consoles can be connected to '''ONLY''' during a [wiki:GettingStarted#MakeaReservation current (and approved) reservation].
    10 1. In addition to accessing home directories and computing/running scripts, consoles can run [http://omf.orbit-lab.org OMF] commands to control [wiki:Resources resources] within their [wiki:Architecture/Domains domain]
    11 1. Consoles share a [wiki:Architecture/Network#ControlPlane Control network] with [wiki:Resources resources] within their [wiki:Architecture/Domains domain]
     22=== Access Resources via Console
    1223
    13 === To Resources via console
    14 
    15 * Resources can be interacted with by running commands from a Console.
    16 * For example:
    17 * Using [wiki:UserGuide/OmfQuickStart OMF commands] to
     24Resources can only be accessed by running commands from a console or by establishing a connection through the console. For people unfamiliar with [https://www.redhat.com/sysadmin/ssh-proxy-bastion-proxyjump ProxyJump], the following is recommended:
     25* SSH into your domain console.
     26* Use [wiki:UserGuide/OmfQuickStart OMF commands] to
    1827 * Turn resources on/off
    1928 * Load and save images
    2029 * Run OEDL Scripts with OMF exec
    21 * Use SSH from a console to open an interactive session with a compute resource.
    22 * Use SSH with X11 Forwarding to view a graphical window from a resource on your local machine
     30* Open an interactive session wtih SSH from a console to compute resource.
     31* Use SSH w/ X11 Forwarding to view a graphical window from a resource on your local machine.
     32 * '''REMINDER''': you can only SSH w/ X11 by adding argument -X or -Y to every SSH command.
     33* Example:
     34{{{#!div style="font-size: 100%"
     35  {{{#!shell
     36  ssh -X USERNAME@console.DOMAIN.cosmos-lab.org
     37  }}}
     38}}}
     39{{{#!div style="font-size: 100%"
     40  {{{#!shell
     41  ssh -X root@COMPUTE_RESOURCE
     42  }}}
     43}}}
    2344
    24 === To Resources directly
    25 This is an advanced topic. In the event that bridging through a console adds unacceptable overhead too your use case, the following options are available:
     45=== Access to Resources Directly
     46This is a convenient only if bridging through the console adds unacceptable overhead or difficulty to your use case. You can only [https://www.redhat.com/sysadmin/ssh-proxy-bastion-proxyjump ProxyJump] if you have a current and approved reservation. Your resource also must be turned on beforehand.
    2647
    27 * Use SSH [https://www.redhat.com/sysadmin/ssh-proxy-bastion-proxyjump ProxyJump] and similar commands to automate the connection though the console
    28 * Use the [wiki:UserGuide/RemoteAccess/VPN VPN] to route arbitrary network traffic from the [wiki:Architecture/Network#ControlPlane Control Network] to or from your local machine.
     48{{{#!div style="font-size: 100%"
     49  {{{#!shell
     50  ssh -J USERNAME@console.DOMAIN.cosmos-lab.org root@RESOURCE
     51  }}}
     52}}}
    2953
    30 === Using SSH
    31 The most common method of connecting to the testbed is via SSH. The SSH protocol is quite powerful, and allows interactive shell sessions, file transfer, port forwarding, and even graphical display if configured properly with other utilities.
     54* Use additional [https://man7.org/linux/man-pages/man1/ssh.1.html SSH manual/arguments] to automate the connection through the console.
    3255
    33 ==== Configuring SSH Keys
    34 See [wiki:UserGuide/RemoteAccess/SSH#ConfiguringSSHKeys Configuring SSH keys page].
    35 
    36 ==== SSH tunneling and X11
    37 See [wiki:UserGuide/RemoteAccess/SshTunnel#SshTunnel SSH X11 tunneling page].
    38 
    39 ==== Common SSH Tips and FAQ
    40 See [wiki:UserGuide/RemoteAccess/SshTips#tips SSH tips page].
     56=== Access Tips w/ SSH
     57The prominent method of connecting to the testbed is via SSH. The SSH protocol is quite powerful, allowing interactive shell sessions, file transfers, port forwarding, and even graphical displays if configured properly with other utilities. Please consult for further help:
     58* [wiki:UserGuide/RemoteAccess/SSH#ConfiguringSSHKeys Configuring SSH keys page]
     59* [wiki:UserGuide/RemoteAccess/SshTunnel#SshTunnel SSH X11 tunneling page].
     60* [wiki:UserGuide/RemoteAccess/SshTips#tips SSH tips page].
    4161
    4262=== Using Chrome Remote Desktop