MySQL
RPM: 学习 测试 快速部署
tar: 定制化 企业级
RPM安装:
[root@hadoop001 ~]#yum install -y mysql-server.x86_64
[root@hadoop001 ~]#yum install -y mysql.x86_64
[root@hadoop001 ~]#service mysqld start
[root@hadoop001 ~]# mysql -uroot -p
Enter password: 直接回车
卸载
[root@hadoop001 ~]# rpm -qa | grep mysql
mysql-libs-5.1.73-8.el6_8.x86_64
mysql-server-5.1.73-8.el6_8.x86_64
mysql-5.1.73-8.el6_8.x86_64
[root@hadoop001 ~]# rpm -e mysql-5.1.73-8.el6_8.x86_64
error: Failed dependencies:
mysql = 5.1.73-8.el6_8 is needed by (installed) mysql-server-5.1.73-8.el6_8.x86_64
[root@hadoop001 ~]# rpm -e mysql-server-5.1.73-8.el6_8.x86_64
warning: /var/log/mysqld.log saved as /var/log/mysqld.log.rpmsave
[root@hadoop001 ~]# rpm -e mysql-5.1.73-8.el6_8.x86_64
Download and Check MD5
[root@hadoop001 ~]# cd /usr/local
[root@hadoop001 local]# wget https://downloads.mariadb.com/archives/mysql-5.6/mysql-5.6.23-linux-glibc2.5-x86_64.tar.gz
[root@hadoop001 local]# wget https://downloads.mariadb.com/archives/mysql-5.6/mysql-5.6.23-linux-glibc2.5-x86_64.tar.gz.md5
# 也可以直接下载下来，然后用 FTP上传
[root@hadoop001 local]# cat mysql-5.6.23-linux-glibc2.5-x86_64.tar.gz.md5
61affe944eff55fcf51b31e67f25dc10 mysql-5.6.23-linux-glibc2.5-x86_64.tar.gz
[root@hadoop001 local]# md5sum mysql-5.6.23-linux-glibc2.5-x86_64.tar.gz
61affe944eff55fcf51b31e67f25dc10 mysql-5.6.23-linux-glibc2.5-x86_64.tar.gz
Check isnot install
[root@hadoop001 local]# ps -ef|grep mysqld
root 2493 2423 0 19:48 pts/3 00:00:00 grep mysqld
[root@hadoop001 local]# rpm -qa |grep -i mysql
tar and mv
[root@hadoop001 local]# tar xzvf mysql-5.6.23-linux-glibc2.5-x86_64.tar.gz
[root@hadoop001 local]# mv mysql-5.6.23-linux-glibc2.5-x86_64 mysql
Create group and user
[root@hadoop001 local]# groupadd -g 101 dba
[root@hadoop001 local]# useradd -u 514 -g dba -G root -d /usr/local/mysql mysqladmin
useradd: warning: the home directory already exists.
Not copying any file from skel directory into it.
[root@hadoop001 local]#
[root@hadoop001 local]# id mysqladmin
uid=514(mysqladmin) gid=101(dba) groups=101(dba),0(root)
[root@hadoop001 local]# passwd mysqladmin
Changing password for user mysqladmin.
New UNIX password:
BAD PASSWORD: it is too simplistic/systematic
Retype new UNIX password:
passwd: all authentication tokens updated successfully.
# copy 环境变量配置文件至mysqladmin用户的home目录中,为了以下步骤配置个人环境变量
[root@hadoop001 local]# cp /etc/skel/.* /usr/local/mysql
cp: omitting directory /etc/skel/.'
cp: omitting directory/etc/skel/..'
cp: omitting directory `/etc/skel/.mozilla'
# 对于一个系统想要运行 肯定需要配置文件 my.cnf
Create /etc/my.cnf (640权限)
- defualt start: /etc/my.cnf->/etc/mysql/my.cnf->SYSCONFDIR/my.cnf
->$MYSQL_HOME/my.cnf-> --defaults-extra-file->~/my.cnf
[root@hadoop001 mysql]# cd /etc/
[root@hadoop001 etc]# touch my.cnf
[root@hadoop001 etc]# vi my.cnf
[client]
port = 3306
socket = /usr/local/mysql/data/mysql.sock
[mysqld]
port = 3306
socket = /usr/local/mysql/data/mysql.sock
skip-external-locking
key_buffer_size = 256M
sort_buffer_size = 2M
read_buffer_size = 2M
read_rnd_buffer_size = 4M
query_cache_size= 32M
max_allowed_packet = 16M
myisam_sort_buffer_size=128M
tmp_table_size=32M
table_open_cache = 512
thread_cache_size = 8
wait_timeout = 86400
interactive_timeout = 86400
max_connections = 600
#Try number of CPU's*2 for thread_concurrency
thread_concurrency = 32
#isolation level and default engine
default-storage-engine = INNODB
transaction-isolation = READ-COMMITTED
server-id = 1
basedir = /usr/local/mysql
datadir = /usr/local/mysql/data
pid-file = /usr/local/mysql/data/hostname.pid
#open performance schema
log-warnings
sysdate-is-now
binlog_format = MIXED
log_bin_trust_function_creators=1
log-error = /usr/local/mysql/data/hostname.err
log-bin=/usr/local/mysql/arch/mysql-bin
#other logs
#general_log =1
#general_log_file = /usr/local/mysql/data/general_log.err
#slow_query_log=1
#slow_query_log_file=/usr/local/mysql/data/slow_log.err
#for replication slave
#log-slave-updates
#sync_binlog = 1
#for innodb options
innodb_data_home_dir = /usr/local/mysql/data/
innodb_data_file_path = ibdata1:500M:autoextend
innodb_log_group_home_dir = /usr/local/mysql/arch
innodb_log_files_in_group = 2
innodb_log_file_size = 200M
# 生产上 机械硬盘 sata盘 5000r 7200 10000 15000 ==> ssd 生产
innodb_buffer_pool_size 调大 8G
innodb_buffer_pool_size = 1024M
innodb_additional_mem_pool_size = 50M
innodb_log_buffer_size = 16M
innodb_lock_wait_timeout = 100
innodb_thread_concurrency = 0
innodb_flush_log_at_trx_commit = 1
innodb_locks_unsafe_for_binlog=1
#innodb io features: add for mysql5.5.8
performance_schema
innodb_read_io_threads=4
innodb-write-io-threads=4
innodb-io-capacity=200
#purge threads change default(0) to 1 for purge
innodb_purge_threads=1
innodb_use_native_aio=on
#case-sensitive file names and separate tablespace
innodb_file_per_table = 1
lower_case_table_names=1
[mysqldump]
quick
max_allowed_packet = 16M
[mysql]
no-auto-rehash
[mysqlhotcopy]
interactive-timeout
[myisamchk]
key_buffer_size = 256M
sort_buffer_size = 256M
read_buffer = 2M
write_buffer = 2M
chown and chmod privileges and try first install
[root@hadoop001 local]# chown mysqladmin:dba /etc/my.cnf
[root@hadoop001 local]# chmod 640 /etc/my.cnf
[root@hadoop001 etc]# ll my.cnf
-rw-r----- 1 mysqladmin dba 2201 Aug 25 23:09 my.cnf
[root@hadoop001 local]# chown -R mysqladmin:dba /usr/local/mysql
[root@hadoop001 local]# chmod -R 755 /usr/local/mysql
[root@hadoop001 local]# su - mysqladmin
[root@hadoop001 ~]$ pwd
/usr/local/mysql
创建arch目录 存储binlog 归档日志
[mysqladmin@hadoop001 ~]$ mkdir arch
[mysqladmin@hadoop001 ~]$ scripts/mysql_install_db
Installing MySQL system tables..../bin/mysqld:
error while loading shared libraries: libaio.so.1: cannot open shared object file:
No such file or directory #缺少libaio.so 包
查看版本
[root@hadoop001 local]# cat /proc/version
Linux version 2.6.18-164.11.1.el5 (mockbuild@builder10.centos.org) (gcc version 4.1.2 20080704 (Red Hat 4.1.2-46)) #1 SMP Wed Jan 20 07:32:21 EST 2010
[root@hadoop001 local]# rpm -qa |grep gcc
libgcc-4.1.2-46.el5_4.2
libgcc-4.1.2-46.el5_4.2
[root@hadoop001 local]# yum -y install libaio
Again install
[mysqladmin@hadoop001 ~]$ scripts/mysql_install_db \
--user=mysqladmin \
--basedir=/usr/local/mysql \
--datadir=/usr/local/mysql/data
查看data/hostname.err文件的 错误
Configure mysql service and boot auto start
[root@hadoop001 ~]# cd /usr/local/mysql
将服务文件拷贝到init.d下，并重命名为mysql
[root@hadoop001 mysql]# cp support-files/mysql.server /etc/rc.d/init.d/mysql
赋予可执行权限
[root@hadoop001 mysql]# chmod +x /etc/rc.d/init.d/mysql
删除服务
[root@hadoop001 mysql]# chkconfig --del mysql
添加服务
[root@hadoop001 mysql]# chkconfig --add mysql
[root@hadoop001 mysql]# chkconfig --level 345 mysql on
c# vi /etc/rc.local
!/bin/sh
#
This script will be executed after all the other init scripts.
You can put your own initialization stuff in here if you don't
want to do the full Sys V style init stuff.
touch /var/lock/subsys/local
su - mysqladmin -c "/etc/init.d/mysql start --federated"
Start mysql and to view process and listening
[root@hadoop001 mysql]# su - mysqladmin
[root@hadoop001 mysql] pwd
/usr/local/mysql
[mysqladmin@hadoop001 ~] rm -rf my.cnf
[mysqladmin@hadoop001 ~] service mysql start
Starting MySQL. [ OK ]
[mysqladmin@hadoop001 ~]
[mysqladmin@hadoop001 ~] service mysql status
MySQL running (3625) [ OK ]
[mysqladmin@hadoop001 ~]
[mysqladmin@hadoop001 ~] mysqld_safe &
[1] 11802
[mysqladmin@hadoop001 ~] 150825 22:53:38 mysqld_safe Logging to '/usr/local/mysql/data/hostname.err'.
150825 22:53:38 mysqld_safe Starting mysqld daemon with databases from /usr/local/mysql/data/
150825 22:53:39 mysqld_safe mysqld from pid file /usr/local/mysql/data/hostname.pid ended
[mysqladmin@hadoop001 ~]$ ps -ef|grep mysqld
514 6247 6219 0 17:30 pts/1 00:00:00 /bin/sh /usr/local/mysql/bin/mysqld_safe
514 6902 6247 2 17:30 pts/1 00:00:01 /usr/local/mysql/bin/mysqld --basedir=/usr/local/mysql --datadir=/usr/local/mysql/data --plugin-dir=/usr/local/mysql/lib/plugin --log-error=/usr/local/mysql/data/hostname.err --pid-file=/usr/local/mysql/data/hostname.pid --socket=/usr/local/mysql/data/mysql.sock --port=3306
514 6927 6219 0 17:31 pts/1 00:00:00 grep mysqld
[mysqladmin@hadoop001 ~]$ netstat -tulnp | grep mysql
(Not all processes could be identified, non-owned process info
will not be shown, you would have to be root to see it all.)
tcp 0 0 :::3306 :::* LISTEN 11541/mysqld
[root@hadoop001 local]# service mysql status
MySQL running (21507) [ OK ]
生产上密码肯定不为空 比如123456
bin/mysql -uroot -p -h127.0.0.1 #一回车就让你输入密码 这是安全的 不会被history记录
bin/mysql -uroot -p123456 -h127.0.0.1 #一回车就进数据库 这是不安全的 会被history记录
bin/mysql -u root -p 123456 -h 127.0.0.1 -P3306
Login mysql
[mysqladmin@hadoop001 ~]$ mysql
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 1
Server version: 5.6.23-log MySQL Community Server (GPL)
Copyright (c) 2000, 2015, Oracle and/or its affiliates. All rights reserved.
Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
mysql> show databases;
+--------------------+
| Database |
+--------------------+
| information_schema |
| mysql |
| performance_schema |
| test |
+--------------------+
4 rows in set (0.00 sec)
Update password and Purge user
mysql> use mysql
Database changed
mysql> update user set password=password('123456') where user='root';
Query OK, 4 rows affected (0.00 sec)
Rows matched: 4 Changed: 4 Warnings: 0
mysql> select host,user,password from user;
+----------------+------+-------------------------------------------+
| host | user | password |
+----------------+------+-------------------------------------------+
| localhost | root | *6340BE3C15D246B0D74BAF3F135915ED19E0069F |
| sht-sgmhadoopnn-01 | root | *6340BE3C15D246B0D74BAF3F135915ED19E0069F |
| 127.0.0.1 | root | *6340BE3C15D246B0D74BAF3F135915ED19E0069F |
| ::1 | root | *6340BE3C15D246B0D74BAF3F135915ED19E0069F |
| localhost | | |
| sht-sgmhadoopnn-01 | | |
+----------------+------+-------------------------------------------+
6 rows in set (0.00 sec)
mysql> delete from user where user='';
mysql> select host,user,password from user;
+----------------+------+-------------------------------------------+
| host | user | password |
+----------------+------+-------------------------------------------+
| localhost | root | *6340BE3C15D246B0D74BAF3F135915ED19E0069F |
| sht-sgmhadoopnn-01 | root | *6340BE3C15D246B0D74BAF3F135915ED19E0069F |
| 127.0.0.1 | root | *6340BE3C15D246B0D74BAF3F135915ED19E0069F |
| ::1 | root | *6340BE3C15D246B0D74BAF3F135915ED19E0069F |
+----------------+------+-------------------------------------------+
4 rows in set (0.00 sec)
mysql> flush privileges; --针对用户 权限的操作语句 养成习惯 都最后一步执行刷新权限
Configure .bash_profile
[mysqladmin@hadoop001 ~]$ cat .bash_profile
.bash_profile
Get the aliases and functions
if [ -f ~/.bashrc ]; then
. ~/.bashrc
fi
MYSQL_HOME=/usr/local/mysql
PATH={MYSQL_HOME}/bin:PATH
PS1=uname -n":"'USER'":"'PWD'":>"; export PS1
.
.
.
PATH=PATH:HOME/bin
export PATH
$PATH=/usr/bin:/usr/local/bin:/usr/local/mysql/bin
可以直接进入控制台打印具体的路径
test2.localdomain:mysqladmin:/usr/local/mysql/arch:>chmod 755 *
test2.localdomain:mysqladmin:/usr/local/mysql/arch:>chown –R mysqladmin:dba *
