1 |
Volker Armin Hemmann wrote: |
2 |
> On Donnerstag 31 Dezember 2009, Dale wrote: |
3 |
> |
4 |
>> Marcus Wanner wrote: |
5 |
>> |
6 |
>>> On 12/30/2009 8:04 PM, Neil Bothwick wrote: |
7 |
>>> |
8 |
>>>> On Wed, 30 Dec 2009 09:12:29 -0500, Marcus Wanner wrote: |
9 |
>>>> |
10 |
>>>>> I had to hard reset the |
11 |
>>>>> system and look at the logs. The only problem was that the logs had the |
12 |
>>>>> wrong contents because they had been "written to" but not actually |
13 |
>>>>> flushed to the disk, and it took me about 10 hard resets to figure that |
14 |
>>>>> out. |
15 |
>>>>> |
16 |
>>>> Another reason to you the magic sysrq keys instead of the reset button. |
17 |
>>>> S syncs your filesystems. |
18 |
>>>> |
19 |
>>> sysrq syncs the filesystem? I always wondered what that key actually |
20 |
>>> did... |
21 |
>>> |
22 |
>>> Wait, to get sysrq is Shift+printscreen, right? |
23 |
>>> |
24 |
>>> Marcus |
25 |
>>> |
26 |
>> This is from a post by Neil a good long while back: |
27 |
>> |
28 |
>> Hold down Atl, hold down SysRq, press each of the keys in turn. The usual |
29 |
>> full sequence is R-E-I-S-U-B |
30 |
>> |
31 |
>> Reboot |
32 |
>> Even |
33 |
>> If |
34 |
>> System |
35 |
>> Utterly |
36 |
>> Broken |
37 |
>> |
38 |
>> |
39 |
>> I usually only get to the second or third key and I am back at a console. |
40 |
>> |
41 |
>> |
42 |
> |
43 |
> and sometimes K is all you need. |
44 |
> |
45 |
> Thank god for /usr/src/linux/Documentation |
46 |
> |
47 |
> |
48 |
|
49 |
This was posted by Volker a while back. |
50 |
|
51 |
e sends TERM to all processes (except init) |
52 |
i kills all processes (except init) |
53 |
s syncs partitions |
54 |
u remounts everything ro |
55 |
b boots a box |
56 |
o turns off a box |
57 |
k saks a box - kills all processes on that vt |
58 |
|
59 |
That tells what each key does. I'm still not sure which one took me back to a console. It may be the E key that does it. |
60 |
|
61 |
Dale |
62 |
|
63 |
:-) :-) |
64 |
r unraws the keyboars - takes it away from X. |