linux中mysql如何实现离线安装
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[root@hadoop-01 ~]# cd /usr/local
[root@hadoop-01 local]# wget https://downloads.mariadb.com/archives/mysql-5.6/mysql-5.6.23-linux-glibc2.5-x86_64.tar.gz
[root@hadoop-01 local]# wget https://downloads.mariadb.com/archives/mysql-5.6/mysql-5.6.23-linux-glibc2.5-x86_64.tar.gz.md5
[root@hadoop-01 local]# vi 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@hadoop-01 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
检查是否已安装
[root@hadoop-01 local]# ps -ef|grep mysqld
解压重命名
[root@hadoop-01 local]# tar xzvf mysql-5.6.23-linux-glibc2.5-x86_64.tar.gz
[root@hadoop-01 local]# mv mysql-5.6.23-linux-glibc2.5-x86_64 mysql
创建用户组
[root@hadoop-01 local]# groupadd -g 101 dba
[root@hadoop-01 local]# useradd -u 514 -g dba -G root -d /usr/local/mysql mysqladmin
[root@hadoop-01 local]# id mysqladmin
uid=514(mysqladmin) gid=101(dba) groups=101(dba),0(root)
[root@hadoop-01 local]# passwd mysqladmin
# 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@hadoop-01 local]# cp /etc/skel/.* /usr/local/mysql
创建配置文件 /etc/my.cnf(640)
[root@hadoop-01 mysql]# vi /etc/my.cnf
删除内容，并将以下内容复制进去
[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
# rember change
innodb_buffer_pool_size = 2048M
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
指定文件用户组、修改权限、尝试首次安装
[root@hadoop-01 local]# chown mysqladmin:dba /etc/my.cnf
[root@hadoop-01 local]# chmod 640 /etc/my.cnf
[root@hadoop-01 etc]# ll my.cnf
-rw-r----- 1 mysqladmin dba 2201 Aug 25 23:09 my.cnf
[root@hadoop-01 local]# chown -R mysqladmin:dba /usr/local/mysql
[root@hadoop-01 local]# chmod -R 755 /usr/local/mysql
[root@hadoop-01 local]# su - mysqladmin
[mysqladmin@hadoop-01 ~]# pwd
/usr/local/mysql
[mysqladmin@hadoop-01 ~]# mkdir arch
[mysqladmin@hadoop-01 ~]# scripts/mysql_install_db ###import
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
[root@hadoop-01 local]# yum -y install libaio
再次安装
[mysqladmin@hadoop-01 ~]# scripts/mysql_install_db --user=mysqladmin --basedir=/usr/local/mysql --datadir=/usr/local/mysql/data
配置mysql服务自启动
[root@sht-sgmhadoopnn-01 ~]# cd /usr/local/mysql
#将服务文件拷贝到init.d下，并重命名为mysql
[root@sht-sgmhadoopnn-01 mysql]# cp support-files/mysql.server /etc/rc.d/init.d/mysql
#赋予可执行权限
[root@sht-sgmhadoopnn-01 mysql]# chmod +x /etc/rc.d/init.d/mysql
#删除服务
[root@sht-sgmhadoopnn-01 mysql]# chkconfig --del mysql
#添加服务
[root@sht-sgmhadoopnn-01 mysql]# chkconfig --add mysql
[root@sht-sgmhadoopnn-01 mysql]# chkconfig --level 345 mysql on
[root@sht-sgmhadoopnn-01 mysql]# 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"
"/etc/rc.local" 9L, 278C written
查看进程
[root@hadoop-01 mysql]# su - mysqladmin
[mysqladmin@hadoop-01 ~]# pwd
/usr/local/mysql
[mysqladmin@hadoop-01 ~]# rm -rf my.cnf
[mysqladmin@hadoop-01 ~]# bin/mysqld_safe &
[mysqladmin@hadoop-01 ~]# ps -ef|grep mysqld
[mysqladmin@hadoop-01 ~]# netstat -tulnp | grep mysql
[root@hadoop-01 local]# service mysql status
登录mysql
[mysqladmin@hadoop-01 ~]# bin/mysql
mysql> show databases;
+--------------------+
| Database |
+--------------------+
| information_schema |
| mysql |
| performance_schema |
| test |
+--------------------+
修改密码
mysql> use mysql;
mysql> update user set password=password('password') where user='root';
配置环境变量
[mysqladmin@hadoop-01 ~]$ vi ./.bash_profile
# insert
export MYSQL_HOME=/usr/local/mysql
export PATH=${MYSQL_HOME}/bin:$PATH
[mysqladmin@hadoop-01 ~]$ source ./.bash_profile
[mysqladmin@hadoop-01 ~]$ vi ./.bash_profile
实现window和其他工具远程连接linux服务器
1、登陆mysql数据库
mysql -u root -p
查看user表
mysql> use mysql;
Database changed
mysql> select host,user,password from user;
+--------------+------+-------------------------------------------+
| host | user | password |
+--------------+------+-------------------------------------------+
| localhost | root | *A731AEBFB621E354CD41BAF207D884A609E81F5E |
| 192.168.1.1 | root | *A731AEBFB621E354CD41BAF207D884A609E81F5E |
+--------------+------+-------------------------------------------+
2 rows in set (0.00 sec)
mysql> use mysql;
Database changed
Query OK, 0 rows affected (0.00 sec)
grant all on *.* to admin@'%' identified by '123456' with grant option;
mysql> flush privileges;
Query OK, 0 rows affected (0.00 sec)
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