Changes between Version 28 and Version 29 of jazz/Performance_Tuning


Ignore:
Timestamp:
Oct 19, 2010, 3:51:08 PM (15 years ago)
Author:
jazz
Comment:

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  • jazz/Performance_Tuning

    v28 v29  
    235235== Security / Management Tip ==
    236236
     237 * [緣起] 有時因為 Kernel 顯示 DEBUG 訊息，縱使下 reboot 或 shutdown, halt 都無效時，可以使用這個技巧。
     238   * 強迫重新開機
     239{{
     240echo 1 > /proc/sys/kernel/sysrq
     241echo b > /proc/sysrq-trigger
     242}}}
     243   * 強迫直接關機
     244{{{
     245echo 1 > /proc/sys/kernel/sysrq
     246echo o > /proc/sysrq-trigger
     247}}}
    237248 * 關於 /proc/sysrq-trigger ([wiki:jazz/09-11-17 2009-11-17])
    238249   * [http://www.redhat.com/docs/manuals/enterprise/RHEL-4-Manual/en-US/Reference_Guide/s2-proc-sysrq-trigger.html Redhat 手冊的說明 - /proc/sysrq-trigger]