Linux monitor resources from terminal - Revision history

Pio2pio: /* verify check tcp port open */

2023-07-19T09:21:09Z

verify check tcp port open

← Older revision		Revision as of 11:21, 19 July 2023
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	= Network =		= Network =
	== ~~verify check~~ tcp port ~~open~~ ==		== Check for tcp open port ==
	No <code>nc</code>, or any other tools, you can check ~~verify~~ tcp open ~~socket~~ using Linux native <code>/dev/tcp</code> device.		No <code>nc</code>, or any other tools, you can check if tcp socket is open using Linux native <code>/dev/tcp</code> device.
	<source lang=bash>		<source lang=bash>
			PORT=22; SERVER=myserver
			$> timeout 2 bash -c "</dev/tcp/${SERVER}/${PORT}" && echo port-open \|\| echo port-closed

	$> </dev/tcp/localhost/22 && echo port-open \|\| echo port-closed		$> </dev/tcp/localhost/22 && echo port-open \|\| echo port-closed
	$> </dev/tcp/10.244.2.2/80 && echo port-open \|\| echo port-closed		$> </dev/tcp/10.244.2.2/80 && echo port-open \|\| echo port-closed

2023-04-13T15:04:02Z

nload - network load

← Older revision		Revision as of 17:04, 13 April 2023
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	<source lang=bash>		<source lang=bash>
	apt-get install nload # Ubuntu 22.04 docker image		apt-get install nload # Ubuntu 22.04 docker image
	nload # use left right arrow to switch view between interfaces		nload # use left right arrow to switch view between interfaces
	</source>		</source>
	[[File:Nload.png\|none\|left\|Linux nload]]		[[File:Nload.png\|none\|left\|Linux nload]]

2023-04-13T15:03:50Z

nload - network load

← Older revision		Revision as of 17:03, 13 April 2023
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	== nload - network load ==		== nload - network load ==
	nload #use left right arrow to switch view between interfaces		<source lang=bash>
			apt-get install nload # Ubuntu 22.04 docker image
			nload # use left right arrow to switch view between interfaces
			</source>
	[[File:Nload.png\|none\|left\|Linux nload]]		[[File:Nload.png\|none\|left\|Linux nload]]

2023-04-13T15:02:58Z

tcptrack

← Older revision		Revision as of 17:02, 13 April 2023
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	== tcptrack ==		== tcptrack ==
	$ tcptrack -i <interface>		<source lang=bash>
	$ tcptrack -i eth0 "dst port 80"		apt-get install tcptrack
			tcptrack -i <interface>
			tcptrack -i eth0 "dst port 80"
			</source>
	:[[File:ClipCapIt-200328-100653.PNG\|500px\|none\|left\|Linux nload]]		:[[File:ClipCapIt-200328-100653.PNG\|500px\|none\|left\|Linux nload]]

2022-10-27T08:29:50Z

Ncdu - NCurses Disk Usage

2022-10-27T08:26:11Z

Ncdu - NCurses Disk Usage

← Older revision		Revision as of 10:26, 27 October 2022
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	[[File:Ncdu.png\|614px\|none\|left\|NCurses Disk Usage]]		[[File:Ncdu.png\|614px\|none\|left\|NCurses Disk Usage]]

			Key bindings:
			<code>e</code> - show hidden files
			<code>g</code> - show %
			<code>i</code> - show info
			<code>r</code> - rescan
			<code>b</code> - spawn shell

	== Discus - Disk Space Usage ==		== Discus - Disk Space Usage ==

2020-04-25T08:53:25Z

Ncdu - NCurses Disk Usage

← Older revision		Revision as of 10:53, 25 April 2020
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	== Ncdu - [https://dev.yorhel.nl/ncdu NCurses Disk Usage] ==		== Ncdu - [https://dev.yorhel.nl/ncdu NCurses Disk Usage] ==
	Ncdu is a disk usage analyzer with an ncurses interface.		Ncdu is a disk usage analyzer with an ncurses interface.
			<source lang=bash>
			sudo apt install ncdu
			</source>

	[[File:Ncdu.png\|614px\|none\|left\|NCurses Disk Usage]]		[[File:Ncdu.png\|614px\|none\|left\|NCurses Disk Usage]]

2020-04-04T09:44:45Z

Glances

← Older revision		Revision as of 11:44, 4 April 2020
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	ram11 0B 0B / 245G 10.59%		ram11 0B 0B / 245G 10.59%

	== [https://nicolargo.github.io/glances/ Glances] ==		== [https://nicolargo.github.io/glances/ Glances] also shows containers ==
	Written in Python and light on resources text based and API aware monitoring tool		Written in Python and light on resources text based and API aware monitoring tool
	$ curl -L https://bit.ly/glances \| /bin/bash		$ curl -L https://bit.ly/glances \| /bin/bash
Line 87:		Line 87:

	[[File:Glances.png\|none\|left\|Glances]]		[[File:Glances.png\|none\|left\|Glances]]

	== Ncdu - [https://dev.yorhel.nl/ncdu NCurses Disk Usage] ==		== Ncdu - [https://dev.yorhel.nl/ncdu NCurses Disk Usage] ==
	Ncdu is a disk usage analyzer with an ncurses interface.		Ncdu is a disk usage analyzer with an ncurses interface.

2020-03-28T10:26:55Z

verify check tcp port open

← Older revision		Revision as of 12:26, 28 March 2020
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	No <code>nc</code>, or any other tools, you can check verify tcp open socket using Linux native <code>/dev/tcp</code> device.		No <code>nc</code>, or any other tools, you can check verify tcp open socket using Linux native <code>/dev/tcp</code> device.
	<source lang=bash>		<source lang=bash>
	</dev/tcp/localhost/22 && echo port-open \|\| echo port-closed		$> </dev/tcp/localhost/22 && echo port-open \|\| echo port-closed
	</dev/tcp/10.244.2.2/80 && echo port-open \|\| echo port-closed		$> </dev/tcp/10.244.2.2/80 && echo port-open \|\| echo port-closed
	</dev/tcp/k8sservice/80 && echo port-open \|\| echo port-closed		$> </dev/tcp/k8sservice/80 && echo port-open \|\| echo port-closed
	</source>		</source>

2020-03-28T10:17:31Z

Pktstat

← Older revision		Revision as of 12:17, 28 March 2020
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	$ tcptrack -i eth0 "dst port 80"		$ tcptrack -i eth0 "dst port 80"
	:[[File:ClipCapIt-200328-100653.PNG\|500px\|none\|left\|Linux nload]]		:[[File:ClipCapIt-200328-100653.PNG\|500px\|none\|left\|Linux nload]]

			== CBM Color Bandwidth Meter ==
			The Color Bandwidth Meter (CBM) is a small program to display the traffic currently flowing through the network devices in a simple curses-based GUI. The traffic for all interfaces include values as receive, transfer and total Bytes/s or bits/s (or its multiples as KB/s and Kb/s).
			<source lang=bash>
			sudo apt install cbm
			</source>
			:[[File:ClipCapIt-200328-101608.PNG\|500px\|none\|left]]

	== Pktstat ==		== Pktstat ==