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linux:tips [2013/09/17 16:03] 91.216.54.1 [Force a clean reboot when the system freezes] |
linux:tips [2015/05/08 12:09] (current) zagi |
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This will cleanly unmount drives, terminate processes and nicely reboot your machine. | This will cleanly unmount drives, terminate processes and nicely reboot your machine. | ||
- | If you suspect memory corruption killed your kernel, be careful with Sync option. It may flush corrupted disk buffers over your filesystem and cause more headache after reboot. | + | <note important> |
**also for more detailed info see:** [[http:// | **also for more detailed info see:** [[http:// | ||
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If you have a reliable server with a good RAID card and power supply, you could set the dirty_ratio to 100 and the dirty_background_ratio to 1. This was recommended by a buddy of mine who runs quite a few servers running virtual machines. | If you have a reliable server with a good RAID card and power supply, you could set the dirty_ratio to 100 and the dirty_background_ratio to 1. This was recommended by a buddy of mine who runs quite a few servers running virtual machines. | ||
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+ | ===== convert files from ISO to UTF-8 ==== | ||
+ | |||
+ | < | ||
+ | for x in `find . -name ' | ||
+ | </ | ||
+ | |||
===== How do I force users to change their passwords upon first login? ===== | ===== How do I force users to change their passwords upon first login? ===== |