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Last modified by loktevda on 2025-12-09 15:46
From version 13.1
edited by loktevda
on 2025-09-08 14:54
Change comment: There is no comment for this version
To version 23.1
edited by loktevda
on 2025-12-05 15:14
Change comment: There is no comment for this version

Summary

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1 -{{toc numbered="true"/}}
1 +{{toc/}}
2 2  
3 3  
4 4  **Current Operating System: Ubuntu 24.04 LTS **
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12 12  * **Email:** [[darya.loktev@desy.de>>mailto:darya.loktev@desy.de]]
13 13  * **In-person support:** Come to room 02.015
14 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 +== Application Access Changes ==
25 +
26 +**Application access has changed:** Applications are no longer accessed via Desktop icons. Instead, applications are now accessed through **Dashboard pins**.
27 +Look for the Dashboard left (Activities overview) to find and launch your applications.
28 +[[image:Screenshot from 2025-05-06 13-10-38.png||height="368" width="600"]]
29 +
15 15  == Paths of the mounts ==
16 16  
17 17  Since the path's are not in the fstab anymore, one have to know the paths which are:
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39 39   }}}
40 40  
41 41  |=Shortcut|=Action
42 -|PrtScn|Capture entire desktop
57 +|FN +PrtScn|Capture entire desktop
43 43  |Alt + PrtScn|Capture active window only
44 44  |Shift + PrtScn|Capture selected area
45 45  |Ctrl + PrtScn|Copy screenshot to clipboard
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92 92  
93 93  == Additional Tips ==
94 94  
95 -=== Terminal Best Practices ===
110 +==== Terminal Best Practices ====
96 96  
97 97  * Use Ctrl + C to cancel running commands
98 98  * Use Ctrl + Z to suspend processes (resume with fg)
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99 99  * Use history to view command history
100 100  * Use Tab for auto-completion
101 101  
102 -=== File System Navigation ===
117 +==== File System Navigation ====
103 103  
104 104  * Use pwd to show current directory
105 105  * Use ls -la for detailed file listings
106 106  * Use cd - to return to previous directory
107 107  
108 -=== Getting Help ===
123 +==== Getting Help ====
109 109  
110 110  * Use man <command> for manual pages
111 111  * Use <command> ~-~-help for quick help
112 112  * Use apropos <keyword> to find related commands
113 113  
114 -
129 +==== JDDD Issues ====
130 +
131 +* (((
132 + When starting the application, please check whether another instance is already running so that it does not open multiple windows or panels at the same time, which could cause an Out-Of-Memory error.
133 +If another instance is running, the new one should either close the existing instance safely or terminate the Java process (e.g., using killall java or via Task Manager).
134 +To open the Task Manager, press **Ctrl + Shift + Esc**.
135 +Alternatively, you can press **Ctrl + Alt + Delete** and select **Task Manager** from the menu or search in Apps.
136 +From there, you can find the running Java process and end it if necessary.
137 +)))
Screenshot from 2025-05-06 13-10-38.png
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