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author | version | line-number | content |
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1 | = Common mistakes = | ||
2 | Instructions for fixing common errors and problems. | ||
3 | |||
4 | |||
5 | |||
6 | {{toc/}} | ||
7 | |||
8 | |||
9 | == 1. Firefox / Thunderbird does not start == | ||
10 | |||
11 | If the message 'Firefox is already running but not responding' appears, open the console | ||
12 | |||
13 | (Applications → Accessories → Terminal Emulator) and enter the following command: | ||
14 | |||
15 | {{{ | ||
16 | repair_firefox.sh | ||
17 | |||
18 | }}} | ||
19 | Same thing for Thunderbird: | ||
20 | {{{ | ||
21 | repair_thunderbird.sh | ||
22 | |||
23 | }}} | ||
24 | |||
25 | The scripts are located in **/urs/local/dist/bin** | ||
26 | |||
27 | == 2.BlackBox login screen immediately ejects from the session (no error message) == | ||
28 | |||
29 | If you return to the login screen without an error message 'Incorrect Password, please try again', then you should check if the home directory is full. (up to 5GB) | ||
30 | |||
31 | In most cases, for example, it's a Dropbox folder. | ||
32 | |||
33 | There are the following options: | ||
34 | |||
35 | Extern: | ||
36 | |||
37 | Connect via ssh to lxhalle.in.tum.de (eg scp, FileZilla), then into the desired directory | ||
38 | change and delete unnecessary data | ||
39 | |||
40 | Direct at the black box: | ||
41 | |||
42 | Open terminal with CTRL + ALT + F1. | ||
43 | |||
44 | With the commands: | ||
45 | |||
46 | {{{ | ||
47 | #show the size of the current folder | ||
48 | du -hs . | ||
49 | #Show all folders in this directory with memory usage | ||
50 | du -hs * | ||
51 | |||
52 | }}} | ||
53 | |||
54 | you can see which directory has how much memory available. | ||
55 | |||
56 | Then switch to the desired directory and delete data that is no longer needed. | ||
57 | |||
58 | With Alt-F7 you come back to the login screen. |