linux上安装MySQL

Writing inode tables: done
Creating journal (32768 blocks): done
Writing superblocks and filesystem accounting information: done

This filesystem will be automatically checked every 22 mounts or
180 days, whichever comes first. Use tune2fs -c or -i to override.
[root@beryl ~]# mkdir mydata //在根目录下创建mydata目录
[root@beryl ~]# mount /dev/sdb5 mydata/ //挂载sdb5到mydata目录上
[root@beryl ~]# ls mydata/ //查看挂载是否成功,lost found表明挂载成功
lost found
[root@beryl ~]# useradd -r -M mysql //添加mysql用户,-r表示为系统用户

[root@beryl ~]# id mysql //查看mysql属主属组
uid=27(mysql) gid=27(mysql) groups=27(mysql)
[root@beryl ~]# cd mydata/
[root@beryl mydata]# mkdir data //在mydata下创建data目录用于专门来安装mysql
[root@beryl mydata]# chown -R mysql:mysql .

//指定mydata属主属组及其子目录属主属组为mysql

[root@beryl mydata]# ll
total 20
drwxr-xr-x 2 mysql mysql 4096 Nov 3 21:45 data
drwx------ 2 mysql mysql 16384 Nov 3 21:43 lost found
[root@beryl ~]# cd
[root@beryl ~]# tar -zxvf Desktop/mysql-5.5.17-linux2.6-i686.tar.gz -C /usr/local/

//解压mysql并使用-C指定直接解压到/usr/local
[root@beryl ~]# cd /usr/local
[root@beryl local]# ls
bin games lib mysql-5.5.17-linux2.6-i686 share
etc include libexec sbin src
[root@beryl local]# ln -sv mysql-5.5.17-linux2.6-i686/ mysql

//把解压的mysql创建链接到mysql
create symbolic link `mysql'' to `mysql-5.5.17-linux2.6-i686/''
[root@beryl local]# ll -h
total 76K
drwxr-xr-x 2 root root 4.0K Aug 8 2008 bin
drwxr-xr-x 2 root root 4.0K Aug 8 2008 etc
drwxr-xr-x 2 root root 4.0K Aug 8 2008 games
drwxr-xr-x 2 root root 4.0K Aug 8 2008 include
drwxr-xr-x 2 root root 4.0K Aug 8 2008 lib
drwxr-xr-x 2 root root 4.0K Aug 8 2008 libexec
lrwxrwxrwx 1 root root 27 Nov 3 21:48 mysql -> mysql-5.5.17-linux2.6-i686/
drwxr-xr-x 13 root root 4.0K Nov 3 21:46 mysql-5.5.17-linux2.6-i686
drwxr-xr-x 2 root root 4.0K Aug 8 2008 sbin
drwxr-xr-x 4 root root 4.0K Apr 12 2011 share
drwxr-xr-x 2 root root 4.0K Aug 8 2008 src
[root@beryl local]# cd mysql
[root@beryl mysql]# ll
total 76
drwxr-xr-x 2 root root 4096 Nov 3 21:46 bin
-rw-r--r-- 1 7161 wheel 17987 Oct 12 04:10 COPYING
drwxr-xr-x 4 root root 4096 Nov 3 21:46 data
drwxr-xr-x 2 root root 4096 Nov 3 21:46 docs
drwxr-xr-x 3 root root 4096 Nov 3 21:46 include
-rw-r--r-- 1 7161 wheel 7604 Oct 12 04:10 INSTALL-BINA

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