檢視mysql安裝了什麼程式
rpm -qa |
grep -i mysql
mysql-community-client- 8.0.19-1.el7.x86_64
mysql-community-server-8.0.19-1.el7.x86_64
mysql80-community-release-el7-3.noarch
mysql-community-common-8.0.19-1.el7.x86_64
mysql-community-libs-8.0.19-1.el7.x86_64
mysql-community-libs-compat-8.0.19-1.el7.x86_64
逐個刪除mysql安裝的程式
yum -y remove ***xx檢視mysql建立了什麼檔案
find / -name mysql刪除 3 中的檔案
/var/lib/mysql
/var/lib/mysql/mysql
我沒刪除這兩個，不是是否與selinux有關。
/etc/selinux/targeted/active/modules/100/mysql
/etc/selinux/targeted/tmp/modules/100/mysql
rm -rf 檔案絕對路徑刪除配置檔案
rm -rf /etc/my.cnf非常關鍵刪除 /var/log/mysqld.log（不刪除此檔案，以後安裝新的mysql，初始預設密碼會沿用此密碼）
rm -rf /var/log/mysqld.log最後謝謝你花費時間閱讀，此外一起進步吧。
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