use*_*220 2 linux signals nginx
我读到升级nginx涉及发送USR2信号等kill -USR2 pid.所以我试过sudo kill -USR2 3049但得到了
$ sudo kill –USR2 3049
kill: failed to parse argument: '–USR2'
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我是从网站上复制粘贴,导致错误的破折号被使用.
sudo kill –USR2 3049
sudo kill -USR2 3049
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