Wiki source code of Linux User Consoles How-Tos
Version 13.2 by loktevda on 2025/09/08 14:57
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11.5 | 1 | {{toc numbered="true"/}} |
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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]] | ||
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11.4 | 13 | * **In-person support:** Come to room 02.015 |
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11.3 | 14 | |
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13.2 | 15 | === Shared Desktop Environment === |
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11.2 | 16 | |
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13.2 | 17 | **The Desktop will be shared** - please use Desktop shared folders for file storage and collaboration. |
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| 19 | === Application Access Changes === | ||
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| 21 | **Application access has changed:** Applications are no longer accessed via Desktop icons. Instead, applications are now accessed through **Dashboard pins**. Look for the Dashboard (Activities overview) to find and launch your applications. | ||
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| 23 | == | ||
| 24 | Paths of the mounts == | ||
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1.1 | 26 | Since the path's are not in the fstab anymore, one have to know the paths which are: |
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| 28 | FLASH Core-FS: | ||
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2.1 | 30 | **/asap3/flash/gpfs** |
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1.1 | 31 | |
| 32 | FLASH-O Core-FS: | ||
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| 34 | **/asap3/fs-flash-o/gpfs** | ||
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| 36 | pnfs: | ||
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11.1 | 38 | **/pnfs/desy.de/flash1** |
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1.1 | 39 | |
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3.1 | 40 | |
| 41 | == How to take screenshots == | ||
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11.6 | 43 | Ubuntu 24 provides several convenient keyboard shortcuts for capturing screenshots: |
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3.1 | 44 | |
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11.6 | 45 | === Keyboard Shortcuts === |
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| 47 | {{{ | ||
| 48 | }}} | ||
| 49 | |||
| 50 | |=Shortcut|=Action | ||
| 51 | |PrtScn|Capture entire desktop | ||
| 52 | |Alt + PrtScn|Capture active window only | ||
| 53 | |Shift + PrtScn|Capture selected area | ||
| 54 | |Ctrl + PrtScn|Copy screenshot to clipboard | ||
| 55 | |||
| 56 | === How to Use Area Selection === | ||
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| 58 | 1. Press Shift + PrtScn | ||
| 59 | 1. Your cursor changes to a crosshair | ||
| 60 | 1. Click and drag to select the area you want to capture | ||
| 61 | 1. Release to take the screenshot | ||
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3.1 | 63 | [[image:attach:Screenshot from 2020-01-22 10-16-28.png||height="250"]] |
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9.1 | 65 | 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. |
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3.1 | 66 | |
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9.1 | 67 | In the above picture i used alt+print, for the following i used shift+print, so you see its just an area: |
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3.1 | 68 | |
| 69 | [[image:attach:Screenshot from 2020-01-22 10-16-02.png||height="250"]] | ||
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| 72 | == How to change colors in terminal == | ||
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| 74 | 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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| 76 | [[image:attach:Screenshot from 2020-01-22 10-18-49.png||height="250"]] | ||
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| 78 | In the tab "Colors" you can change the colors from system themed to your own favorite: | ||
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| 80 | [[image:attach:Screenshot from 2020-01-22 10-19-13.png||height="250"]] | ||
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11.1 | 82 | 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"]] |
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3.1 | 83 | |
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5.1 | 84 | [[image:attach:Screenshot from 2020-01-24 09-06-40.png||height="112"]] |
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11.1 | 86 | (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"]]) |
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5.1 | 87 | |
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3.1 | 88 | |
| 89 | == How to run the Shell as a login shell == | ||
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| 91 | 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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| 93 | [[image:attach:Screenshot from 2020-01-22 10-19-44.png||height="250"]] | ||
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| 95 | To see if you are running with or without login you can use the command "echo $0": | ||
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8.1 | 97 | [[image:attach:Screenshot from 2020-01-22 10-20-29.png]] |
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3.1 | 98 | |
| 99 | 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. | ||
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7.1 | 100 | |
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12.4 | 102 | == Additional Tips == |
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8.1 | 103 | |
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12.4 | 104 | === Terminal Best Practices === |
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| 106 | * Use Ctrl + C to cancel running commands | ||
| 107 | * Use Ctrl + Z to suspend processes (resume with fg) | ||
| 108 | * Use history to view command history | ||
| 109 | * Use Tab for auto-completion | ||
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| 111 | === File System Navigation === | ||
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| 113 | * Use pwd to show current directory | ||
| 114 | * Use ls -la for detailed file listings | ||
| 115 | * Use cd - to return to previous directory | ||
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| 117 | === Getting Help === | ||
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| 119 | * Use man <command> for manual pages | ||
| 120 | * Use <command> ~-~-help for quick help | ||
| 121 | * Use apropos <keyword> to find related commands | ||
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13.1 | 123 |