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Last modified by loktevda on 2025-12-09 15:46
From version 12.4
edited by loktevda
on 2025-09-08 14:53
Change comment: There is no comment for this version
To version 22.4
edited by loktevda
on 2025-12-05 15:14
Change comment: There is no comment for this version

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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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90 90  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.
91 91  
92 92  
93 -== How to change the language ==
94 -
95 95  == Additional Tips ==
96 96  
97 -=== Terminal Best Practices ===
110 +==== Terminal Best Practices ====
98 98  
99 99  * Use Ctrl + C to cancel running commands
100 100  * Use Ctrl + Z to suspend processes (resume with fg)
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101 101  * Use history to view command history
102 102  * Use Tab for auto-completion
103 103  
104 -=== File System Navigation ===
117 +==== File System Navigation ====
105 105  
106 106  * Use pwd to show current directory
107 107  * Use ls -la for detailed file listings
108 108  * Use cd - to return to previous directory
109 109  
110 -=== Getting Help ===
123 +==== Getting Help ====
111 111  
112 112  * Use man <command> for manual pages
113 113  * Use <command> ~-~-help for quick help
114 114  * Use apropos <keyword> to find related commands
115 115  
116 -[[image:attach:Screenshot from 2020-01-24 13-29-16.png||height="400"]]
129 +==== JDDD Issues ====
117 117  
118 -{{error}}
119 -But be aware that support is only for german/english. So if you don't understand something and theres a language like italian, korean etc. the chance is low to find someone who can understand this. So then we have to change the languages before and this needs a restart of the session.
120 -{{/error}}
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 s
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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