Wiki source code of Zugriffsrechte

Last modified by Aysegül Omus on 2025/01/16 13:03
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Aysegül Omus 7.2 1 = Modify access rights on own files/home directory =
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wikibot 1.1 5 {{toc/}}
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Aysegül Omus 7.2 9 == 1. General ==
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Aysegül Omus 7.2 11 Every student has a folder, which can be accessed via /u/halle/$USER .
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Aysegül Omus 7.2 13 $USER is the CIT-Login, which was received from the Infopoint and is used to login into the computer hall.
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Aysegül Omus 7.2 15 In this folder you can find different architectures like home//at for the Ubuntu VMs for the lxhalle.//
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17 In order to facilitate the collaboration of students, most of those folders can be accessed by other students.
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19 Important folders like the home_mail and home//sec are only visible and writeable by the active user.//
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21 These notes are explicitly valid only for the lxhalle.
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Yunhao Wu 6.1 24
Aysegül Omus 7.2 25 == 2. Restrict access on own folders (Homepage will not be accessible) ==
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Aysegül Omus 7.2 27 More infomation about your own website: [[https:~~/~~/wiki.ito.cit.tum.de/bin/view/Informatik/Helpdesk/EigeneHomepage#>>https://wiki.ito.cit.tum.de/bin/view/Informatik/Helpdesk/EigeneHomepage#]]
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Aysegül Omus 7.2 29 Start the terminal in the lxhalle
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wikibot 1.1 33 {{html wiki="true"}}
34 {{code}}chmod go-rwx `dirname $HOME`
35 {{/code}}
36 {{/html}}
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Aysegül Omus 7.2 40 After using the following command
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wikibot 1.1 44 {{html wiki="true"}}
45 {{code}}ls -ld `dirname $HOME`{{/code}}
46 {{/html}}
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Aysegül Omus 7.2 49
50 the access rights should look like this:
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54 {{html wiki="true"}}
55 {{code}}drwx------ 10 tumuser 10 2011-07-05 16:46 {{/code}}
56 {{/html}}
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Yunhao Wu 6.1 61
Aysegül Omus 7.2 62 == 3. Restrict access on all own folders except home_at ==
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Aysegül Omus 7.2 64 In order to make the homepage accessible, the folders /u/halle/$USER and /u/halle/$USER/home_page need the Execute-permission (x) for other (o).
65 This can be achieved as follows:
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Aysegül Omus 7.2 67 Start the terminal in the lxhalle
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Aysegül Omus 7.2 69 [[image:1677684222179-370.png]]
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71 After using the following commands
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73 [[image:1677684239820-692.png]]
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75 the access rights should look like this:
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77 [[image:1677684254987-720.png]]
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