Wiki source code of Linux User Consoles How-Tos

Last modified by loktevda on 2025/10/08 17:24

version	line-number	content
16.1	1	{{toc/}}
1.1	2
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11.2	4	Current Operating System: Ubuntu 24.04 LTS
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	6	This guide provides essential how-to instructions for Ubuntu 24.04 LTS users working with the Linux console FSFL.
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11.3	8	== Access Information ==
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	10	Need login credentials functional accounts or support?
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	12	* Email: [[darya.loktev@desy.de>>mailto:darya.loktev@desy.de]]
11.4	13	* In-person support: Come to room 02.015
11.3	14
14.2	15	== Shared Desktop Environment ==
11.2	16
13.2	17	The Desktop will be shared - please use Desktop shared folders for file storage and collaboration.
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14.2	19	== Application Access Changes ==
13.2	20
14.2	21	Application access has changed: Applications are no longer accessed via Desktop icons. Instead, applications are now accessed through Dashboard pins.
14.3	22	Look for the Dashboard left (Activities overview) to find and launch your applications.
	23	[[image:Screenshot from 2025-05-06 13-10-38.png\|\|height="368" width="600"]]
13.2	24
16.1	25	== Paths of the mounts ==
13.2	26
1.1	27	Since the path's are not in the fstab anymore, one have to know the paths which are:
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	29	FLASH Core-FS:
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2.1	31	/asap3/flash/gpfs
1.1	32
	33	FLASH-O Core-FS:
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	35	/asap3/fs-flash-o/gpfs
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	37	pnfs:
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11.1	39	/pnfs/desy.de/flash1
1.1	40
3.1	41
	42	== How to take screenshots ==
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11.6	44	Ubuntu 24 provides several convenient keyboard shortcuts for capturing screenshots:
3.1	45
11.6	46	=== Keyboard Shortcuts ===
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	48	{{{
	49	}}}
	50
	51	\|=Shortcut\|=Action
	52	\|PrtScn\|Capture entire desktop
	53	\|Alt + PrtScn\|Capture active window only
	54	\|Shift + PrtScn\|Capture selected area
	55	\|Ctrl + PrtScn\|Copy screenshot to clipboard
	56
	57	=== How to Use Area Selection ===
	58
	59	1. Press Shift + PrtScn
	60	1. Your cursor changes to a crosshair
	61	1. Click and drag to select the area you want to capture
	62	1. Release to take the screenshot
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3.1	64	[[image:attach:Screenshot from 2020-01-22 10-16-28.png\|\|height="250"]]
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9.1	66	Easy to take screenshots of the full Desktop, only the active window or just an area. In area mode your cursor turns into a crosshair and you have to mark the area you want to take a screen of.
3.1	67
9.1	68	In the above picture i used alt+print, for the following i used shift+print, so you see its just an area:
3.1	69
	70	[[image:attach:Screenshot from 2020-01-22 10-16-02.png\|\|height="250"]]
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	72
	73	== How to change colors in terminal ==
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	75	In the Terminal click on "Edit" → "Preferences". A new window opens and there you click on the tab "Profiles". After this click on "Edit" to change the used profile:
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	77	[[image:attach:Screenshot from 2020-01-22 10-18-49.png\|\|height="250"]]
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	79	In the tab "Colors" you can change the colors from system themed to your own favorite:
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	81	[[image:attach:Screenshot from 2020-01-22 10-19-13.png\|\|height="250"]]
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11.1	83	In my case on my computer i use green text and black background with a much more colored stuff [[image:http://confluence.desy.de/s/en_US/7901/4635873c8e185dc5df37b4e2487dfbef570b5e2c/_/images/icons/emoticons/smile.svg\|\|border="0" title="(smile)" class="emoticon emoticon-smile"]]
3.1	84
5.1	85	[[image:attach:Screenshot from 2020-01-24 09-06-40.png\|\|height="112"]]
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11.1	87	(One can edit some coloring-the-terminal stuff in the .bashrc, too! But this isn't the topic in here [[image:http://confluence.desy.de/s/en_US/7901/4635873c8e185dc5df37b4e2487dfbef570b5e2c/_/images/icons/emoticons/smile.svg\|\|border="0" title="(smile)" class="emoticon emoticon-smile"]])
5.1	88
3.1	89
	90	== How to run the Shell as a login shell ==
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	92	In the editing Profile Windows (see picture above) click on the Tab "Command" and check the "Run command as a login shell":
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	94	[[image:attach:Screenshot from 2020-01-22 10-19-44.png\|\|height="250"]]
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	96	To see if you are running with or without login you can use the command "echo $0":
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8.1	98	[[image:attach:Screenshot from 2020-01-22 10-20-29.png]]
3.1	99
	100	The "-" implicates that it is a login shell. At example you need the login shell to use all your own variables. If you just change user etc. without it, it may happen that - at example - you don't have permissions to geht dconf work because of some variables still got owned by the previous user.
7.1	101
	102
12.4	103	== Additional Tips ==
8.1	104
15.1	105	==== Terminal Best Practices ====
12.4	106
	107	* Use Ctrl + C to cancel running commands
	108	* Use Ctrl + Z to suspend processes (resume with fg)
	109	* Use history to view command history
	110	* Use Tab for auto-completion
	111
15.1	112	==== File System Navigation ====
12.4	113
	114	* Use pwd to show current directory
	115	* Use ls -la for detailed file listings
	116	* Use cd - to return to previous directory
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15.1	118	==== Getting Help ====
12.4	119
	120	* Use man <command> for manual pages
	121	* Use <command> ~-~-help for quick help
	122	* Use apropos <keyword> to find related commands
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13.1	124

Wiki source code of Linux User Consoles How-Tos

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