Miroirs/the-book-of-secret-knowledge
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Merge pull request #40 from lbonanomi/last

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find panic reboots with /usr/bin/last
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@trimstray 2018-12-27 20:49:20 +01:00 committed by GitHub
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@ -744,6 +744,7 @@ Linux Security Expert</b></a> - trainings, howtos, checklists, security tools an
* [tr](#tool-tr)
* [chmod](#tool-chmod)
* [who](#tool-who)
* [last](#tool-last)
* [screen](#tool-screen)
* [du](#tool-du)
* [inotifywait](#tool-inotifywait)
@ -1246,6 +1247,16 @@ who -b
___
##### Tool: [last]
###### Was the last reboot a panic?
```bash
(last -x -f $(ls -1t /var/log/wtmp* | head -2 | tail -1); last -x -f /var/log/wtmp) | grep -A1 reboot | head -2 | grep -q shutdown && echo "Expected reboot" || echo "Panic reboot"
```
___
##### Tool: [screen](https://en.wikipedia.org/wiki/GNU_Screen)
###### Start screen in detached mode