linux 创建软连接 ln -s

weiyi@MrWeiM1  /opt/wycto/bin  ln -s /opt/homebrew/opt/php@8.1/bin/php /opt/wycto/bin/php81 ln: /opt/wycto/bin/php81: Permission denied ✘ weiyi@MrWeiM1  /opt/wycto/bin  sudo ln -s /opt/homebrew/opt/php@8.1/bin/php /opt/wycto/bin/php81 Password: Sorry, try again. Password: weiyi@MrWeiM1  /opt/wycto/bin  ll total 230640 -rwxr-xr-x 1 root wheel 2.7M 7 13 15:48 composer -rwxr-xr-x 1 weiyi staff 2.7M 4 23 11:18 composer72 -rwxr-xr-x 1 weiyi staff 2.7M 4 23 15:12 composer73 -rwxr-xr-x 1 weiyi staff 2.7M 4 23 15:14 composer74 -rwxr-xr-x 1 weiyi staff 2.7M 4 23 15:15 composer80 -rwxr-xr-x 1 weiyi staff 2.7M 4 23 15:17 composer81 lrwxr-xr-x 1 root wheel 33B 7 27 09:18 php81 -> /opt/homebrew/opt/php@8.1/bin/php lrwxr-xr-x 1 root wheel 32B 3 26 09:28 smproxy -> /Users/data/soft/smproxy/SMProxy -rwxr-xr-x@ 1 weiyi staff 36M 2 17 19:16 swoole-cli -rwxrwxrwx@ 1 root wheel 61M 7 10 11:59 swoole-cli48 weiyi@MrWeiM1  /opt/wycto/bin  php81 -v PHP 8.1.17 (cli) (built: Mar 16 2023 13:07:08) (NTS) Copyright (c) The PHP Group Zend Engine v4.1.17, Copyright (c) Zend Technologies with Zend OPcache v8.1.17, Copyright (c), by Zend Technologies weiyi@MrWeiM1  /opt/wycto/bin  sudo ln -s /opt/homebrew/opt/php@8.0/bin/php /opt/wycto/bin/php80 weiyi@MrWeiM1  /opt/wycto/bin  sudo ln -s /opt/homebrew/opt/php@7.2/bin/php /opt/wycto/bin/php72 weiyi@MrWeiM1  /opt/wycto/bin  php72 ^C ✘ weiyi@MrWeiM1  /opt/wycto/bin  ll total 230640 -rwxr-xr-x 1 root wheel 2.7M 7 13 15:48 composer -rwxr-xr-x 1 weiyi staff 2.7M 4 23 11:18 composer72 -rwxr-xr-x 1 weiyi staff 2.7M 4 23 15:12 composer73 -rwxr-xr-x 1 weiyi staff 2.7M 4 23 15:14 composer74 -rwxr-xr-x 1 weiyi staff 2.7M 4 23 15:15 composer80 -rwxr-xr-x 1 weiyi staff 2.7M 4 23 15:17 composer81 lrwxr-xr-x 1 root wheel 33B 7 27 09:19 php72 -> /opt/homebrew/opt/php@7.2/bin/php lrwxr-xr-x 1 root wheel 33B 7 27 09:19 php80 -> /opt/homebrew/opt/php@8.0/bin/php lrwxr-xr-x 1 root wheel 33B 7 27 09:18 php81 -> /opt/homebrew/opt/php@8.1/bin/php lrwxr-xr-x 1 root wheel 32B 3 26 09:28 smproxy -> /Users/data/soft/smproxy/SMProxy -rwxr-xr-x@ 1 weiyi staff 36M 2 17 19:16 swoole-cli -rwxrwxrwx@ 1 root wheel 61M 7 10 11:59 swoole-cli48 weiyi@MrWeiM1  /opt/wycto/bin 

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