迁移MySQL用户及权限
导出# mysql -B -N -uroot -p -e "SELECT CONCAT('\'', user,'\'@\'', host, '\'') FROM user WHERE user != 'debian-sys-maint' AND user != 'root' AND user != ''" mysql > /tmp/mysql_all_users.txt
# cat /tmp/mysql_all_users.txt
# cd /tmp/
# while read line; do mysql -B -N -uroot -predhat -e "SHOW GRANTS FOR $line"; done < mysql_all_users.txt > mysql_all_users_sql.sql
# cat mysql_all_users_sql.sql
# sed -i 's/$/;/' mysql_all_users_sql.sql
# cat mysql_all_users_sql.sql
# echo "flush privileges;" >> mysql_all_users_sql.sql
导入
# mysql -u root -p < mysql_all_users_sql.sql
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