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Wiki source code of Linux User Consoles How-Tos

Version 14.4 by loktevda on 2025/09/09 10:23
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loktevda 11.5 1 {{toc numbered="true"/}}
sendels 1.1 2
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loktevda 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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loktevda 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]]
loktevda 11.4 13 * **In-person support:** Come to room 02.015
loktevda 11.3 14
loktevda 14.2 15 == Shared Desktop Environment ==
loktevda 11.2 16
loktevda 13.2 17 **The Desktop will be shared** - please use Desktop shared folders for file storage and collaboration.
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loktevda 14.2 19 == Application Access Changes ==
loktevda 13.2 20
loktevda 14.2 21 **Application access has changed:** Applications are no longer accessed via Desktop icons. Instead, applications are now accessed through **Dashboard pins**.
loktevda 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"]]
loktevda 13.2 24
25 ==
26 Paths of the mounts ==
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sendels 1.1 28 Since the path's are not in the fstab anymore, one have to know the paths which are:
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30 FLASH Core-FS:
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sendels 2.1 32 **/asap3/flash/gpfs**
sendels 1.1 33
34 FLASH-O Core-FS:
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36 **/asap3/fs-flash-o/gpfs**
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38 pnfs:
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loktevda 11.1 40 **/pnfs/desy.de/flash1**
sendels 1.1 41
sendels 3.1 42
43 == How to take screenshots ==
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loktevda 11.6 45 Ubuntu 24 provides several convenient keyboard shortcuts for capturing screenshots:
sendels 3.1 46
loktevda 11.6 47 === Keyboard Shortcuts ===
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49 {{{
50 }}}
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52 |=Shortcut|=Action
53 |PrtScn|Capture entire desktop
54 |Alt + PrtScn|Capture active window only
55 |Shift + PrtScn|Capture selected area
56 |Ctrl + PrtScn|Copy screenshot to clipboard
57
58 === How to Use Area Selection ===
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60 1. Press Shift + PrtScn
61 1. Your cursor changes to a crosshair
62 1. Click and drag to select the area you want to capture
63 1. Release to take the screenshot
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sendels 3.1 65 [[image:attach:Screenshot from 2020-01-22 10-16-28.png||height="250"]]
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sendels 9.1 67 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.
sendels 3.1 68
sendels 9.1 69 In the above picture i used alt+print, for the following i used shift+print, so you see its just an area:
sendels 3.1 70
71 [[image:attach:Screenshot from 2020-01-22 10-16-02.png||height="250"]]
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73
74 == How to change colors in terminal ==
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76 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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78 [[image:attach:Screenshot from 2020-01-22 10-18-49.png||height="250"]]
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80 In the tab "Colors" you can change the colors from system themed to your own favorite:
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82 [[image:attach:Screenshot from 2020-01-22 10-19-13.png||height="250"]]
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loktevda 11.1 84 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"]]
sendels 3.1 85
sendels 5.1 86 [[image:attach:Screenshot from 2020-01-24 09-06-40.png||height="112"]]
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loktevda 11.1 88 (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"]])
sendels 5.1 89
sendels 3.1 90
91 == How to run the Shell as a login shell ==
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93 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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95 [[image:attach:Screenshot from 2020-01-22 10-19-44.png||height="250"]]
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97 To see if you are running with or without login you can use the command "echo $0":
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sendels 8.1 99 [[image:attach:Screenshot from 2020-01-22 10-20-29.png]]
sendels 3.1 100
101 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.
sendels 7.1 102
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loktevda 12.4 104 == Additional Tips ==
sendels 8.1 105
loktevda 12.4 106 === Terminal Best Practices ===
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108 * Use Ctrl + C to cancel running commands
109 * Use Ctrl + Z to suspend processes (resume with fg)
110 * Use history to view command history
111 * Use Tab for auto-completion
112
113 === File System Navigation ===
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115 * Use pwd to show current directory
116 * Use ls -la for detailed file listings
117 * Use cd - to return to previous directory
118
119 === Getting Help ===
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121 * Use man <command> for manual pages
122 * Use <command> ~-~-help for quick help
123 * Use apropos <keyword> to find related commands
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loktevda 13.1 125