centos7.5 安裝mysql (不是mariadb) 之後mysql_secure_installation 無法建立root密碼

mysql_secure_installation 失敗之後. 請先關閉mysqld

systemctl stop mysqld
然後輸入本串
systemctl set-environment MYSQLD_OPTS="--skip-grant-tables"
再啟動
systemctl start mysql

密碼就是空的了

PS.mariadb
# systemctl set-environment MYSQLD_OPTS="--skip-grant-tables"
# systemctl start mariadb

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