更換ssl證書后，重啟Apache失敗。

查看Apache的error日志發現：
復制代碼 代碼如下:
[Fri May 20 18:07:23 2011] [crit] (28)No space left on device: mod_rewrite: could not create rewrite_log_lock
Configuration Failed
[Fri May 20 18:08:22 2011] [crit] (28)No space left on device: mod_rewrite: could not create rewrite_log_lock
Configuration Failed
[Fri May 20 18:13:50 2011] [crit] (28)No space left on device: mod_rewrite: could not create rewrite_log_lock
Configuration Failed
[Fri May 20 18:13:52 2011] [crit] (28)No space left on device: mod_rewrite: could not create rewrite_log_lock
Configuration Failed

解決方法：

復制代碼 代碼如下:
#重新寫入一些活動信號量集的信息
ipcs -s | grep apache | perl -e 'while (<stdin>) { @a=split(//s+/); print `ipcrm sem $a[1]`}'
</stdin>

參考鏈接：
http://carlosrivero.com/fix-apache―no-space-left-on-device-couldnt-create-accept-lock