1、通过rpm查看软件是否安装。
首先我们需要查看软件是否已经安装,或者说查看安装的软件包名称,查找是否安装mysql。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/c83d70cf3bc79f3dbe6ebd50b5a1cd11738b29c6?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
2、接着根据 rpm -ql 列出软件包安装的文件。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/0df431adcbef7609b2ffc0ff21dda3cc7dd99ede?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
3、综合上述以上的问题,可以直接使用 rpm -qal |grep mysql 查看mysql所有安装包的文件存储位置。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/b58f8c5494eef01f20d041a5effe9925bd317d8d?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
4、Yum查找
除了rpm 查询还可以通过yum search 查找对应可以安装的软件包。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/8601a18b87d6277f05d56b5827381f30e824fc8f?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
5、Which查找命令
Which命令是通过 PATH环境变量查找可执行文件路径,用于查找指向这个命令所在的文件夹。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/3812b31bb051f81916d75a2ad5b44aed2f73e7e4?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
6、完成效果图。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/48540923dd54564eba8abd59bcde9c82d0584fe6?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)