[root@localhost local]# yum install gcc-c++
[root@localhost local]# yum install ncurses-devel
[root@localhost]# tar -zxv -f cmake-2.8.10.2.tar.gz // 解壓壓縮包
[root@localhost local]# cd cmake-2.8.10.2
[root@localhost cmake-2.8.10.2]# ./configure
[root@localhost cmake-2.8.10.2]# make
[root@localhost cmake-2.8.10.2]# make install
用vi在檔案/etc/profile檔案中增加變數，使其永久有效，
[root@localhost local]# vi /etc/profile
在檔案末尾追加以下兩行**：
path=/usr/local/cmake-2.8.10.2/bin:$path
export path
執行以下**使剛才的修改生效：
[root@localhost local]# source /etc/profile
用 export 命令檢視path值
[root@localhost local]# echo $path
[root@localhost]# mkdir -p /usr/local/mysql //安裝mysql
[root@localhost]# mkdir -p /usr/local/mysql/data //存放資料庫
[root@localhost] groupadd mysql
[root@localhost] useradd -r -g mysql mysql
[root@localhost local]# tar -zxv -f mysql-5.5.29.tar.gz //解壓
[root@localhost local]# cd mysql-5.5.29
[root@localhost mysql-5.5.29]#
cmake -dcmake_install_prefix=/usr/local/mysql \
-dmysql_unix_addr=/usr/local/mysql/mysql.sock \
-ddefault_charset=utf8 \
-ddefault_collation=utf8_general_ci \
-dwith_myisam_storage_engine=1 \
-dwith_innobase_storage_engine=1 \
-dwith_memory_storage_engine=1 \
-dwith_readline=1 \
-denabled_local_infile=1 \
-dmysql_datadir=/usr/local/mysql/data \
-dmysql_user=mysql \
-dmysql_tcp_port=3306
[root@localhost mysql-5.5.29]# make
[root@localhost mysql-5.5.29]# make install
[root@localhost mysql-5.5.29]# cd /usr/local/mysql/
[root@localhost mysql]# ls
bin copying data docs include install-binary lib man mysql-test readme scripts share sql-bench support-files
有bin等以上檔案的話，恭喜你已經成功安裝了mysql。
[root@localhost mysql]# cd /usr/local/mysql //把當前目錄中所有檔案的所有者設為root，所屬組為mysql
[root@localhost mysql]# chown -r root:mysql .
[root@localhost mysql]# chown -r mysql:mysql data
[root@localhost mysql]# cp support-files/my-medium.cnf /etc/my.cnf
cp：是否覆蓋"/etc/my.cnf"？ y
[root@localhost mysql]# cd /usr/local/mysql
[root@localhost mysql]# scripts/mysql_install_db --user=mysql
[root@localhost ~]# vi /root/.bash_profile
在修改path=$path:$home/bin為：
path=$path:$home/bin:/usr/local/mysql/bin:/usr/local/mysql/lib
[root@localhost ~]# source /root/.bash_profile //使剛才的修改生效
[root@localhost ~]# cd /usr/local/mysql
[root@localhost mysql]# ./bin/mysqld_safe --user=mysql & //啟動mysql，但不能停止
mysqladmin -u root -p shutdown //此時root還沒密碼，所以為空值，提示輸入密碼時，直接回車即可。
[root@localhost mysql]# cp support-files/mysql.server /etc/init.d/mysql
[root@localhost mysql]# service mysql start
starting mysql... error! the server quit without updating pid file (/usr/local/mysql/data/localhost.localdomain.pid).
啟動失敗：
我這裡是許可權問題，先改變許可權
[root@localhost mysql]# chown -r mysql:mysql /usr/local/mysql
接著啟動伺服器
[root@localhost mysql]# /etc/init.d/mysql start
[root@localhost mysql]# mysql -u root mysql
mysql> use mysql;
mysql> desc user;
mysql> grant all privileges on *.* to root@"%" identified by "root"; //為root新增遠端連線的能力
mysql> update user set password = password('123456') where user='root'; //設定root使用者密碼
mysql> select host,user,password from user where user='root';
mysql> flush privileges;
mysql> exit
[root@localhost mysql]# mysql -u root -p
enter password:123456
若還不能進行遠端連線，關閉防火牆
[root@localhost]# /etc/rc.d/init.d/iptables stop
question：
1. /etc/init.d/mysql restart (xx.pid not found xx )
error_ log : /usr/local/mysql/bin/mysqld: unknown variable 'default-collation=utf8_bin'
2 不需要輸入密碼
vi /etc/my.cnf
[mysqld]
port = 3306
socket = /usr/local/var/mysql.sock
basedir =/usr/local/mysql
datadir =/usr/local/mysql/data
skip-external-locking
#skip-locking
key_buffer_size = 32m
max_allowed_packet = 16m
table_open_cache = 128
sort_buffer_size = 2m
read_buffer_size = 1m
read_rnd_buffer_size = 4m
#net_buffer_length = 2k
#thread_stack = 128k
skip-grant-tables
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