HowTo - ssh - Revision history

Tinker: /* GUI (X11) commands */

2023-01-08T18:40:54Z

GUI (X11) commands

← Older revision		Revision as of 14:40, 8 January 2023
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	SSH can pass X11 windows through to remote machines.		SSH can pass X11 windows through to remote machines.

			<span style="color: rgb(132, 63, 161);" >If your remote system is not already configured for X11, you'll need to log into it & install '''xauth'''.</span>
			*<code>sudo apt install xauth</code>

	As an example:  Say you want to open a graphical view of the status of a server.  I currently use [https://github.com/oguzhaninan/Stacer stacer] for this task.		As an example:  Say you want to open a graphical view of the status of a server.  I currently use [https://github.com/oguzhaninan/Stacer stacer] for this task.

Tinker: /* Remote commands needing root */

2023-01-01T06:05:18Z

Remote commands needing root

← Older revision		Revision as of 02:05, 1 January 2023
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	<span style="color: rgb(132, 63, 161);" >(You may have to enable X11 Forwarding...)</span>		<span style="color: rgb(132, 63, 161);" >(You may have to enable X11 Forwarding...)</span>

	=== Remote ~~commands~~ needing root ===		=== Priveledged Remote Commands (needing root) ===

	If you want to execute a command remotely that requires '''sudo''', you'll have to add a '''-t''' to the command line or else '''sudo''' with tell you where to go.		If you want to execute a command remotely that requires '''sudo''', you'll have to add a '''-t''' to the command line or else '''sudo''' with tell you where to go.

Tinker: /* Executing commands remotely */

2023-01-01T05:00:02Z

Executing commands remotely

← Older revision		Revision as of 01:00, 1 January 2023
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	Also, pretty straightforward...		Also, pretty straightforward...

			=== Regular Command-Line commands ===
	*<code>ssh '''user@MACHINENAME "Command to be executed"'''</code>		*<code>ssh '''user@MACHINENAME "Command to be executed"'''</code>

	=== ~~Remote~~ commands ~~needing root~~ ===		=== GUI (X11) commands ===

			SSH can pass X11 windows through to remote machines.

			As an example:  Say you want to open a graphical view of the status of a server.  I currently use [https://github.com/oguzhaninan/Stacer stacer] for this task.

			*<code>ssh -X '''user@MACHINENAME''' stacer</code>
			<span style="color: rgb(132, 63, 161);" >(You may have to enable X11 Forwarding...)</span>

			=== Remote commands needing root ===

	If you want to execute a command remotely that requires '''sudo''', you'll have to add a '''-t''' to the command line or else '''sudo''' with tell you where to go.		If you want to execute a command remotely that requires '''sudo''', you'll have to add a '''-t''' to the command line or else '''sudo''' with tell you where to go.
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	*<code>vi /etc/ssh/sshd_config</code>		*<code>vi /etc/ssh/sshd_config</code>
	<span style="color: rgb(224, 62, 45);" >and change:</span>
			<span style="color: rgb(224, 62, 45);">and change:</span>

	<code>#PermitRootLogin prohibit-password</code>		<code>#PermitRootLogin prohibit-password</code>

	<span style="color: rgb(224, 62, 45);" >to:</span>		<span style="color: rgb(224, 62, 45);">to:</span>

	<code>PermitRootLogin yes</code>		<code>PermitRootLogin yes</code>

Tinker: /* Remote commands needing root */

2023-01-01T04:39:21Z

Remote commands needing root

← Older revision		Revision as of 00:39, 1 January 2023
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	<span style="color: rgb(224, 62, 45);">'''WARNING!!!  This may be a security risk!'''</span>		<span style="color: rgb(224, 62, 45);">'''WARNING!!!  This may be a security risk!'''</span>

	*~~<span style="color: rgb(224, 62, 45);" >~~<code>vi /etc/ssh/sshd_config</code~~></span~~>		*<code>vi /etc/ssh/sshd_config</code>
	<span style="color: rgb(224, 62, 45);" >and change:</span>		<span style="color: rgb(224, 62, 45);" >and change:</span>

Tinker: /* Remote commands needing root */

2023-01-01T04:38:31Z

Remote commands needing root

← Older revision		Revision as of 00:38, 1 January 2023
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	<span style="color: rgb(224, 62, 45);">'''WARNING!!!  This may be a security risk!'''</span>		<span style="color: rgb(224, 62, 45);">'''WARNING!!!  This may be a security risk!'''</span>

	*<code>vi /etc/ssh/sshd_config</code>		*<span style="color: rgb(224, 62, 45);" ><code>vi /etc/ssh/sshd_config</code></span>
	and change:		<span style="color: rgb(224, 62, 45);" >and change:</span>

	<code>#PermitRootLogin prohibit-password</code>		<code>#PermitRootLogin prohibit-password</code>

	to:		<span style="color: rgb(224, 62, 45);" >to:</span>

	<code>PermitRootLogin yes</code>		<code>PermitRootLogin yes</code>

Tinker: /* Remote commands needing root */

2023-01-01T04:37:51Z

Remote commands needing root

← Older revision		Revision as of 00:37, 1 January 2023
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	Another option is to enable root login via ssh.		Another option is to enable root login via ssh.

	<span style="color: rgb(224, 62, 45);">		<span style="color: rgb(224, 62, 45);">'''WARNING!!!  This may be a security risk!'''</span>
	'''WARNING!!!  This may be a security risk!'''

	*<code>vi /etc/ssh/sshd_config</code>		*<code>vi /etc/ssh/sshd_config</code>
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	<code>PermitRootLogin yes</code>		<code>PermitRootLogin yes</code>
	~~</span>~~

	== Transferring files ==		== Transferring files ==

Tinker: /* Remote commands needing root */

2023-01-01T04:37:08Z

Remote commands needing root

← Older revision		Revision as of 00:37, 1 January 2023
Line 53:		Line 53:
	Another option is to enable root login via ssh.		Another option is to enable root login via ssh.

	<span style="color: rgb(224, 62, 45);">'''WARNING!!!  This may be a security risk!'''~~</span>~~		<span style="color: rgb(224, 62, 45);">
			'''WARNING!!!  This may be a security risk!'''

	*<code>vi /etc/ssh/sshd_config</code>		*<code>vi /etc/ssh/sshd_config</code>
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	<code>PermitRootLogin yes</code>		<code>PermitRootLogin yes</code>
			</span>

	== Transferring files ==		== Transferring files ==

Tinker: /* Executing commands remotely */

2023-01-01T04:32:52Z

Executing commands remotely

@@ Line 41: / Line 41: @@
 *<code>ssh '''user@MACHINENAME "Command to be executed"'''</code>
-One thing to note...
 If you want to execute a command remotely that requires '''sudo''', you'll have to add a '''-t''' to the command line or else '''sudo''' with tell you where to go.
@@ Line 47: / Line 50: @@
 *<code>ssh -t '''user@MACHINENAME "Command to be executed"'''</code>
 This is because '''sudo''' intentionally will NOT run without a local terminal session.
 == Transferring files ==

Tinker: /* Signing in to a machine */

2022-11-27T06:12:51Z

Signing in to a machine

← Older revision		Revision as of 02:12, 27 November 2022
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	*<code>ssh '''user@MACHINENAME'''</code>		*<code>ssh '''user@MACHINENAME'''</code>
	This will securely give you a terminal session of the remote machine. (Much like good old telnet... But not quite so sketchily insecure.)		This will securely give you a terminal session of the remote machine. (Much like good old telnet... But not quite so sketchily insecure.)

			('''Note:''' if the username on the remote machine is the same as on the local machine, you can leave off '''user@''' )

	== Executing commands remotely ==		== Executing commands remotely ==

Tinker: /* Part 2: ~/.ssh/config */

2022-11-27T05:52:57Z

Part 2: ~/.ssh/config

← Older revision		Revision as of 01:52, 27 November 2022
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	Set up the list of machines you expect to regularly connect to.		Set up the list of machines you expect to regularly connect to.

	* <code>vi ~/.ssh.config</code>		* <code>vi ~/.ssh/config</code>
	& set up options for the various '''Hosts'''		& set up options for the various '''Hosts'''