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MYSQL ÆÁ
À̸§: ÇØÄ¿Áî´º½º
·çÆ® ºñ¹ø ÀÒ¾î ¹ö·ÈÀ»¶§  
MySQL ¿¡¼­ »ç¿ëÇÏ´Â root ¾ÏÈ£°¡ ¹ºÁö ¸ð¸£´Ù¸é ´ÙÀ½ ó·³ ¹Ù²ß´Ï´Ù.
1. ¿ì¼± ´ÙÀ½Ã³·³ MySQL ¼­¹öµ¥¸óÀ» ¸ðÁ¶¸® Á׿© ¹ö¸³´Ï´Ù.
[root@linuxer mysql]# ps -aux | grep my
[root@linuxer mysql]# kill -9 (ÇÁ·Î¼¼½º ID)
[1]+ Killed ./bin/safe_mysqld
2. ±×´ÙÀ½ --skip-grant ¿É¼ÇÀ» ÀÌ¿ë
±ÇÇÑÅ×À̺íÀ» »ç¿ëÇÏÁö ¾Ê´Â ¿É¼ÇÀ¸·Î µ¥¸óÀ» ¶ç¿ó´Ï´Ù.
[root@linuxer mysql]# ./bin/safe_mysqld --skip-grant &
[1] 7759
[root@linuxer mysql]# kill 7743: No such process
Starting mysqld daemon with databases from /usr/local/mysql/data
[root@linuxer mysql]#
¿©±â¼­ kill 7743: No such process ÀÌ·± ¸Þ½ÃÁö´Â safe_mysqld ½ºÅ©¸³Æ®
°¡ °¡Àå ¸¶Áö¸·¿¡ ½ÇÇàÁßÀÌ´ø µ¥¸óÀÇ ÇÁ·Î¼¼½º¸¦ Á×ÀÌ°í ´Ù½Ã ½ÃÀÛÇÏ·Á´Ù ¸øã¾Æ
³ª¿À´Â ¿¡·¯ ¸Þ½ÃÁö ÀÌÁö¸¸ ±×³É µ¥¸óÀÌ ¶° ¹ö·ÈÀ¸´Ï ½Å°æ ¾²Áö ¾Ê¾Æµµ µË´Ï´Ù.

ÇÁ·Î¼¼½º¸¦ È®ÀÎÇØ º¸¸é....
[root@linuxer mysql]# ps -aux | grep my
root 7759 0.0 0.6 1668 812 pts/4 S 09:49 0:00 sh ./bin/safe_mys
root 7775 0.0 0.5 2520 696 pts/4 SN 09:49 0:00 /usr/local/mysql/
root 7777 0.0 0.5 2520 696 pts/4 SN 09:49 0:00 /usr/local/mysql/
root 7778 0.0 0.5 2520 696 pts/4 SN 09:49 0:00 /usr/local/mysql/
ÀÌ »óÅ¿¡¼­´Â ±ÇÇÑÅ×À̺íÀ» »ç¿ëÇÏÁö ¾ÊÀ¸¹Ç·Î ¾î¶² È£½ºÆ®¿¡¼­µµ ¾Æ¹«
»ç¿ëÀÚ·Î ¸ðµç DB¿¡ Á¢¼ÓÀÌ °¡´ÉÇÕ´Ï´Ù.
¾ó¸¥ ÀÛ¾÷À» ³¡³»°í ±ÇÇÑÀ» ¼³Á¤ÇØ DB¸¦ ´Ù½Ã ¶ç¿ö¾ß ÇÕ´Ï´Ù. ^,^
3. ÀÚ ÀÌÁ¦ ¸¶À½³õ°í root ·Î µé¾î°©´Ï´Ù.
±ÇÇÑÀ» ¼³Á¤ÇÏ´Â µ¥ÀÌŸ º£À̽º mysql À» ÀÌ¿ëÇÏ°Ú½À´Ï´Ù.
[root@linuxer mysql]# ./bin/mysql -u root mysql
Reading table information for completion of table and column names
You can turn off this feature to get a quicker startup with -A
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 1 to server version: 3.22.22
Type 'help' for help.
mysql>
4. ´ÙÀ½Ã³·³ »õ·Î¿î root ÀÇ ¾ÏÈ£·Î ¹Ù²Ù°í
mysql> UPDATE user SET Password=PASSWORD('newpasswd') WHERE
user='root';
Query OK, 1 row affected (0.02 sec)
Rows matched: 2 Changed: 1 Warnings: 0
5. ±×´ÙÀ½ ±ÇÇÑ Å×À̺íÀ» ´Ù½Ã Àаí
mysql> FLUSH PRIVILEGES;
Query OK, 0 rows affected (0.00 sec)
ºüÁ® ³ª°©´Ï´Ù.
mysql> \q
Bye
[root@linuxer mysql]#
6. MySQL ¼­¹ö µ¥¸óÀ» Á׿©º¸µµµµ·Ï ÇÏ°Ú½À´Ï´Ù.
±×·±µ¥ ÀÌ¹Ì FLUSH PRIVILEGES ¿É¼ÇÀ¸·Î ±ÇÇÑÀÌ Àç ¼³Á¤ µÈ »óÀ̹ǷÎ
¾Æ±î ¹Ù²Û ¾ÏÈ£¸¦ ÀÔ·ÂÇØ¾ß ÇÕ´Ï´Ù.
[root@linuxer mysql]# ./bin/mysqladmin -uroot -p***** shutdown
[root@linuxer mysql]# mysqld daemon ended
[1]+ Done ./bin/safe_mysqld --skip-grant
7. ÀÌÁ¦ ±ÇÇÑ Å×À̺íÀ» ÀÌ¿ëÇÑ ¿ø·¡ÀÇ ½ºÅ©¸³Æ®¸¦ ÀÌ¿ë µ¥¸óÀ» ´Ù½Ã ¶ç¿ó´Ï´Ù.
[root@linuxer mysql]# ./bin/safe_mysqld &
[1] 7859
[root@linuxer mysql]# Starting mysqld daemon with databases from /usr/local/mysql/data
[root@linuxer mysql]
8. ÀÚ ÀÌÁ¦ µåµð¾î ¾Æ±î ¹Ù²Û ¾ÏÈ£·Î µé¾î °¥ ¼ö ÀÖ½À´Ï´Ù.
´ÙÀ½ÀÇ ¹æ¹ýÀ¸·Î ÇÏ¸é µË´Ï´Ù.
a. # ./bin/mysql -uroot -p**** mysql ¸¦ ½áµµ µÇ°í
b. # ./bin/mysql -uroot -p mysql ¸¦ ¾²¸é ¾ÏÈ£¸¦ ¹°¾î º¾´Ï´Ù.
º¸¾È»ó b ¹æ¹ýÀ» ±ÇÇØ µå¸³´Ï´Ù. (´©°¡ µÚ¿¡¼­ º¸¸é ¾ÈµÇ´Ï±î¿ä!)
[root@linuxer mysql]# ./bin/mysql -uroot -p mysql
Enter password:
Reading table information for completion of table and column names
You can turn off this feature to get a quicker startup with -A
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 1 to server version: 3.22.22
Type 'help' for help.
mysql> select Host ,User from user ;
+-------------------+-------+
| Host | User |
+-------------------+-------+
| localhost | root |
| linuxer.ditco.com | root |
| localhost | |
| linuxer.ditco.com | |
| localhost | mysql |
+-------------------+-------+
5 rows in set (0.00 sec)
mysql> \q
----------
zzaratra wrote..
$ ./safe_mysql -Sg
ÀÏ´Ü Áö±Ý ½ÇÇàµÇ´Â mysql  µ¥¸óÀ» kill ÇÑ ´ÙÀ½
À­ ó·³ Sg ¿É¼ÇÀ» ÁÖ°í ½ÇÇà½ÃÅ°¸é Æнº¿öµå ¹°¾î º¸´Â°Í ¾øÀÌ
½ÇÇà µË´Ï´Ù....

                    ¼öÁ¤/»èÁ¦     ÀÌÀü±Û ´ÙÀ½±Û    
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12   ¹é¾÷°ú º¹±¸    1662
11   ´ë¿ë·® ¼­¹ö¿¡¼­ÀÇ ÆÁ    1612
10   ·çÆ® »ç¿ëÀÚ ¾ÏÈ£ ¹Ù²Ù±â    1630
9   ÇÑ±Û Áö¿ø ¼³Á¤    1606
8   grant ¸í·ÉÀ¸·Î »ç¿ëÀÚ ¸¸µé±â    1536
7   ¾¾Ä÷À» ¿¢¼¿·Î ¹Ù²Ù±â    1570
6   ¿¢¼¿ µ¥ÀÌÅ͸¦ ¾¾Ä÷·Î ¹Ù²Ù±â    1573
5   °èÁ¤ »ý¼ºÇÏ±â    1488
4   ·çÆ® ºñ¹ø ÀÒ¾î ¹ö·ÈÀ»¶§    1391
3   µ¿½Ã Á¢¼ÓÀÚ¼ö ´Ã¸®±â    1508
2   µ¥ÀÌÅÍ µð·ºÅ丮 ¹Ù²Ù±â    1384
1   ±úÁø Å×ÀÌºí º¹±¸ÇÏ±â    1644

 
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