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Last modified by loktevda on 2026-01-19 10:02
From version 2.1
edited by sendels
on 2020-01-23 16:05
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To version 20.1
edited by loktevda
on 2025-10-30 10:36
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1 -User Consoles How-Tos
1 +Linux User Consoles How-Tos
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1 +FLASHUSER.Misc.jddd-linked help pages.WebHome
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1 -XWiki.sendels
1 +XWiki.loktevda
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1 +how-to
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1 +{{toc/}}
1 1  
2 2  
3 -{{toc/}}
4 +**Current Operating System: Ubuntu 24.04 LTS **
4 4  
6 +This guide provides essential how-to instructions for Ubuntu 24.04 LTS users working with the Linux console FSFL.
7 +
8 +== Access Information ==
9 +
10 +**Need login credentials functional accounts or support?**
11 +
12 +* **Email:** [[darya.loktev@desy.de>>mailto:darya.loktev@desy.de]]
13 +* **In-person support:** Come to room 02.015
14 +
15 +== Shared Desktop Environment ==
16 +
17 +**The Desktop will be shared** - please use Desktop shared folders for file storage and collaboration.
18 +
19 +
20 +In case the Gnome graphic user interface is frozen, restart the X server by pressing the following 4 keys simultaneously: Ctr, Alt, SysReq, K. or Wndows taskbar
21 +
22 +
23 +\\
24 +
25 +== Application Access Changes ==
26 +
27 +**Application access has changed:** Applications are no longer accessed via Desktop icons. Instead, applications are now accessed through **Dashboard pins**.
28 +Look for the Dashboard left (Activities overview) to find and launch your applications.
29 +[[image:Screenshot from 2025-05-06 13-10-38.png||height="368" width="600"]]
30 +
5 5  == Paths of the mounts ==
6 6  
7 7  Since the path's are not in the fstab anymore, one have to know the paths which are:
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16 16  
17 17  pnfs:
18 18  
19 -**/pnfs/desy.de/flash1
20 -**
45 +**/pnfs/desy.de/flash1**
21 21  
22 -\\
47 +
48 +== How to take screenshots ==
49 +
50 +Ubuntu 24 provides several convenient keyboard shortcuts for capturing screenshots:
51 +
52 +=== Keyboard Shortcuts ===
53 +
54 +{{{
55 + }}}
56 +
57 +|=Shortcut|=Action
58 +|PrtScn or FN +PrtScn|Capture entire desktop
59 +|Alt + PrtScn|Capture active window only
60 +|Shift + PrtScn|Capture selected area
61 +|Ctrl + PrtScn|Copy screenshot to clipboard
62 +
63 +=== How to Use Area Selection ===
64 +
65 +1. Press Shift + PrtScn
66 +1. Your cursor changes to a crosshair
67 +1. Click and drag to select the area you want to capture
68 +1. Release to take the screenshot
69 +
70 +[[image:attach:Screenshot from 2020-01-22 10-16-28.png||height="250"]]
71 +
72 +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.
73 +
74 +In the above picture i used alt+print, for the following i used shift+print, so you see its just an area:
75 +
76 +[[image:attach:Screenshot from 2020-01-22 10-16-02.png||height="250"]]
77 +
78 +
79 +== How to change colors in terminal ==
80 +
81 +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:
82 +
83 +[[image:attach:Screenshot from 2020-01-22 10-18-49.png||height="250"]]
84 +
85 +In the tab "Colors" you can change the colors from system themed to your own favorite:
86 +
87 +[[image:attach:Screenshot from 2020-01-22 10-19-13.png||height="250"]]
88 +
89 +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"]]
90 +
91 +[[image:attach:Screenshot from 2020-01-24 09-06-40.png||height="112"]]
92 +
93 +(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"]])
94 +
95 +
96 +== How to run the Shell as a login shell ==
97 +
98 +In the editing Profile Windows (see picture above) click on the Tab "Command" and check the "Run command as a login shell":
99 +
100 +[[image:attach:Screenshot from 2020-01-22 10-19-44.png||height="250"]]
101 +
102 +To see if you are running with or without login you can use the command "echo $0":
103 +
104 +[[image:attach:Screenshot from 2020-01-22 10-20-29.png]]
105 +
106 +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.
107 +
108 +
109 +== Additional Tips ==
110 +
111 +==== Terminal Best Practices ====
112 +
113 +* Use Ctrl + C to cancel running commands
114 +* Use Ctrl + Z to suspend processes (resume with fg)
115 +* Use history to view command history
116 +* Use Tab for auto-completion
117 +
118 +==== File System Navigation ====
119 +
120 +* Use pwd to show current directory
121 +* Use ls -la for detailed file listings
122 +* Use cd - to return to previous directory
123 +
124 +==== Getting Help ====
125 +
126 +* Use man <command> for manual pages
127 +* Use <command> ~-~-help for quick help
128 +* Use apropos <keyword> to find related commands
129 +
130 +
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