Steps for installing and configuring MySql in Suse Linux 10, susemysql

Source: Internet
Author: User

Steps for installing and configuring MySql in Suse Linux 10, susemysql

Installation environment:
Operating System: suse Linux 10
Database: MySQL 5.0.22

I hope to know more experts and learn and discuss technologies with each other!

First, let's let it go. I have read N Articles on mysql installation on the Internet. Most of them are similar, but mysql installation cannot be good. More or less there are problems. I personally think most of them are in the original article, copying data to their respective blogs or some online websites is purely a theft! We started to plan to install suse and mysql last weekend. It was not until this afternoon that we finally arrived at show databases. It was so dizzy! Now I will install mysql in every step here, so that users can check it in case they will observe it again in the future;

Note: When installing suse linux, you must choose C/C ++ for development. Let's hear from our predecessors.

Installation steps:

1.download Software Package mysql-5.0.22.tar.gz, address http://www.mysql.com, General not recommended installation rpm form;

2.put the downloaded mysql-5.0.22.tar.gz In the usr directory and decompress it:
Copy codeThe Code is as follows:
# Tar zvxf mysql-5.0.22.tar.gz

3. # cd mysql-5.0.22 // enter the decompressed file directory;

4../configure -- prefix =/usr/local/mysql -- with-charset = gbk // set the installation directory. Note that the front part is the./configure dot bar;

5. Compile: # make // only one make is enough.

6. install: # make install // both steps take some time

7. After installation, add a mysql user group and Set permissions:
Copy codeThe Code is as follows:
# Useradd mysql
# Cd/usr/local/mysql

# Bin/mysql_install_db -- user = msyql

# Chown-R root: mysql.

# Chown-R mysql var

# Chgrp-R mysql.

# Cp share/mysql/my-large.cnf/etc/my. cnf

It is clear that there are some small points behind it;

8. Set the mysql service to start from startup:
Copy codeThe Code is as follows:
# Cp/usr/local/mysql/share/mysql. server/etc/init. d/mysql

# Chmod 755/etc/init. d/mysql

# Chkconfig -- add mysql

#/Etc/init. d/mysql start

My linux is suse, so init. d is under etc. Other possible locations are different;

Then restart the system: reboot.

9. Run mysql

Start mysql at the terminal:

Start service: service mysql start
Copy codeThe Code is as follows:
# Cd/usr/local/mysql/bin

#./Mysql-u root-p

Enter password:

Enter your password to access mysql;

10. You can also manually start the mysql service:
Copy codeThe Code is as follows:
#/Usr/local/mysql/bin/mysqld_safe -- user = root & // start MySQL

11. Change the password: You can also set it like this.

#/Usr/local/mysql/bin/mysqladmin-u root password "your password" // change the password

12. Close the mysql service:
Copy codeThe Code is as follows:
#/Usr/local/mysql/bin/mysqladmin-u root-pmysqlsecret shutdown // close MySQL

In this way, the rest is only about database operations. It's just a sigh of relief !!

13. Forgot to uninstall mysql:

Enter the file decompressed by mysql.
Copy codeThe Code is as follows:
# Mysql-5.0.22/cd/usr/

# Make uninstall

Finally, you can delete the unwanted mysql folder, which is more thorough!
Copy codeThe Code is as follows:
Mysql> grant all privileges on *. * to 'root' @ '%'
-> Identified by 'root' with grant option;
Query OK, 0 rows affected (0.05 sec)

Mysql> select host, user from mysql. user;
+ ---------------- + -------- +
| Host | user |
+ ---------------- + -------- +
| 192.168.61.113 | root |
| Localhost | jason |
| Localhost | prod |
| Localhost | qsrock |
| Localhost | radius |
| Localhost | root |
+ ---------------- + -------- +

Use the methods described on the Internet to change the password of the root user:
Copy codeThe Code is as follows:
# Mysqladmin-uroot-p password 'newpassword'
Enter password:
Mysqladmin: connect to server at 'localhost' failed
Error: 'Access denied for user' root' @ 'localhost' (using password: YES )'

Now I have found the solution as follows (Please test method 3 first, thank you !) :
Method 1:
Copy codeThe Code is as follows:
#/Etc/init. d/mysql stop
# Mysqld_safe -- user = mysql -- skip-grant-tables -- skip-networking &
# Mysql-u root mysql
Mysql> UPDATE user SET Password = PASSWORD ('newpassword') where USER = 'root ';
Mysql> flush privileges;
Mysql> quit

#/Etc/init. d/mysql restart
# Mysql-uroot-p
Enter password: <Enter the new password newpassword>

Mysql>

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