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[lab6@localhost Sir]$ su
[root@localhost Sir]# service mysqld start
Redirecting to /bin/systemctl start mysqld.service
[root@localhost Sir]# mysql -u root -p
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 2
Server version: 5.5.38 MySQL Community Server (GPL)
Copyright (c) 2000, 2014, Oracle and/or its affiliates. All rights reserved.
Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
I have other option to create sudoers file. But i saw some administrators typing some command and after that we dont have to use su's password to start mysqld. I am working on Fedora 20.
Thanks for your message. If I start by logging as root, it will work but in that case I have to write root's password. I am working in a student environment. I don't want to tell root password to students. This is my problem. I want to start mysqld using a command which does not require root password.