linux启动mysql_Linux服务器安装Mysql教程
最開始用服務器的時候,也是對這些環境的安裝操作極其陌生,找了很多方式,寫這邊文章就是為了讓更少的童鞋走彎路,下面我們看看具體的操作流程。
1、首先關閉linux的防火墻,執行命令
chkconfig iptables off
2、從mysql官網上下載自己適合的mysql版本https://dev.mysql.com/downloads/mysql/5.6.html#downloads,進入mysql官網,依次點擊
3、下載后的mysql文件
mysql-5.6.40-linux-glibc2.12-i686.tar.gz
將下載好的mysql壓縮文件放置在linux的/usr/local文件夾下,解壓該壓縮文件
tar -zxvf mysql-5.6.40-linux-glibc2.12-i686.tar.gz
將解壓后的文件重命名為mysql
mv mysql-5.6.40-linux-glibc2.12-i686 mysql
4、創建mysql用戶組及用戶
groupadd mysql
useradd -r -g mysql mysql
5、進入到mysql目錄,執行添加MySQL配置的操作
cp support-files/my-medium.cnf /etc/my.cnf 或: cp support-files/my-default.cnf /etc/my.cnf
是否覆蓋?按y 回車
6、編輯/etc/my.cnf文件;
vi /etc/my.cnf
在my.cnf文件中添加或者修改相關配置,更改完成后保存退出
1# For advice on how to change settings please see 2# http://dev.mysql.com/doc/refman/5.6/en/server-configuration-defaults.html 3# *** DO NOT EDIT THIS FILE. It's a template which will be copied to the 4# *** default location during install, and will be replaced if you 5# *** upgrade to a newer version of MySQL. 6 7[mysqld] 8 9# Remove leading # and set to the amount of RAM for the most important data10# cache in MySQL. Start at 70% of total RAM for dedicated server, else 10%.11# innodb_buffer_pool_size = 128M1213# Remove leading # to turn on a very important data integrity option: logging14# changes to the binary log between backups.15# log_bin1617# These are commonly set, remove the # and set as required.18basedir = /usr/local/mysql19datadir = /usr/local/mysql/data20port = 330621# server_id = .....22socket = /tmp/mysql.sock23character-set-server = utf824skip-name-resolve25log-err = /usr/local/mysql/data/error.log26pid-file = /usr/local/mysql/data/mysql.pid2728# Remove leading # to set options mainly useful for reporting servers.29# The server defaults are faster for transactions and fast SELECTs.30# Adjust sizes as needed, experiment to find the optimal values.31# join_buffer_size = 128M32# sort_buffer_size = 2M33# read_rnd_buffer_size = 2M 3435sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES
7、在mysql當前目錄下設定目錄的訪問權限(注意后面的小點,表示當前目錄)
chown -R mysql .
chgrp -R mysql .
scripts/mysql_install_db --user=mysql
chown -R root .
chown -R mysql data
8、初始化數據(在mysql/bin或者mysql/scripts下有個 mysql_install_db 可執行文件初始化數據庫),進入mysql/bin或者mysql/scripts目錄下,執行下面命令
./mysql_install_db --verbose --user=root --defaults-file=/etc/my.cnf --datadir=/usr/local/mysql/data --basedir=/usr/local/mysql --pid-file=/usr/local/mysql/data/mysql.pid --tmpdir=/tmp
9、啟動mysql,進入/usr/local/mysql/bin目錄,執行下面命令
./mysqld_safe --defaults-file=/etc/my.cnf --socket=/tmp/mysql.sock --user=root &
注意,如果光標停留在屏幕上,表示啟動成功,需要我們先關閉shell終端,再開啟一個新的shell終端,不要執行退出操作。如果出現 mysql ended這樣的語句,表示Mysql沒有正常啟動,你可以到log中查找問題.
10、設置開機啟動,新開啟shell中斷后,進入mysql目錄,執行下面命令
cp /usr/local/mysql/support-files/mysql.server /etc/init.d/mysqldcp /usr/local/mysql/support-files/mysql.server /etc/rc.d/init.d/mysql
chmod 700 /etc/init.d/mysql
chkconfig --add mysqld
chkconfig --level 2345 mysqld on
chown mysql:mysql -R /usr/local/mysql/
重啟linux
reboot
查看mysql狀態
service mysqld status
11、添加遠程訪問權限
(1)、添加mysql命令
ln -s /usr/local/mysql/bin/mysql /usr/bin (mysql的安裝路徑)
(2)、更改訪問權限
登錄mysql,執行下面命令mysql -uroot -p 密碼為空直接回車,運行以下兩條命令GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY 'duan' with grant option;Flush privileges;
退出mysql
exit
重啟linux,就完成了
reboot
注:本機訪問mysql,root賬戶默認是沒有密碼的,端口號默認3306,如果需要修改root賬戶密碼,在/usr/local/mysql/bin目錄下,執行下面命令
./mysqladmin -h 127.0.0.1 -P3306 -uroot password 'duan'exit
總結
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