大概知道是PATH的問題,
* 修改PATH之前有備份,恢復原樣,依舊報錯
* 之前有洗掉/etc/my.cnf(有備份),也恢復了,依舊報錯
* ~/.bash_profile沒有改動
###/etc/profile部分代碼
```HOSTNAME=`/usr/bin/hostname 2>/dev/null`
HISTSIZE=1000
if [ "$HISTCONTROL" = "ignorespace" ] ; then
export HISTCONTROL=ignoreboth
else
export HISTCONTROL=ignoredups
fi
PATH=$PATH:/usr/local/php/bin:/usr/local/mysql/bin
export PATH USER LOGNAME MAIL HOSTNAME HISTSIZE HISTCONTROL
```
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標籤:內核源代碼研究區
