準備
mysql-5.7.11-linux-glibc2.5-x86_64.tar.gz
注意:如果是虛擬機安裝,建議設置的磁盤空間不要低於16G,否則安裝時磁盤空間不夠,會導致mysql初始化失敗
環境準備
#解壓二進制包到/usr/local/ ,重命名爲mysql,並創建安裝時需要的目錄
tar -zxvf mysql-5.7.11-linux-glibc2.5-x86_64.tar.gz -C /usr/local/
mv /usr/local/mysql-5.7.11-linux-glibc2.5-x86_64 /usr/local/mysql
cd /usr/local
mkdir mysql/arch mysql/data mysql/tmp mysql/relay_log
yum -y install libaio
添加配置文件
#在文件中添加下面配置信息,若配置文件已經存在,清空文件內容,在添加下面的配置
vi /etc/my.cnf
my.cnf內容
[client]
port = 3306
socket = /usr/local/mysql/data/mysql.sock
default-character-set=utf8mb4
[mysqld]
port = 3306
socket = /usr/local/mysql/data/mysql.sock
skip-slave-start
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 = ROW
log_bin_trust_function_creators=1
log-error = /usr/local/mysql/data/hostname.err
log-bin = /usr/local/mysql/arch/mysql-bin
expire_logs_days = 7
innodb_write_io_threads=16
relay-log = /usr/local/mysql/relay_log/relay-log
relay-log-index = /usr/local/mysql/relay_log/relay-log.index
relay_log_info_file= /usr/local/mysql/relay_log/relay-log.info
log_slave_updates=1
gtid_mode=OFF
enforce_gtid_consistency=OFF
# slave
slave-parallel-type=LOGICAL_CLOCK
slave-parallel-workers=4
master_info_repository=TABLE
relay_log_info_repository=TABLE
relay_log_recovery=ON
#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
sync_binlog = 500
#for innodb options
innodb_data_home_dir = /usr/local/mysql/data/
innodb_data_file_path = ibdata1:10M;ibdata2:10M:autoextend
#由於我是在本機的虛擬上安裝的,磁盤空間有限,所以這裏設置的非常小
#innodb_data_file_path = ibdata1:1G;ibdata2:1G:autoextend
innodb_log_group_home_dir = /usr/local/mysql/arch
innodb_log_files_in_group = 4
innodb_log_file_size = 1G
innodb_log_buffer_size = 200M
#根據生產需要,調整pool size
innodb_buffer_pool_size = 2G
#innodb_additional_mem_pool_size = 50M #deprecated in 5.6
tmpdir = /usr/local/mysql/tmp
innodb_lock_wait_timeout = 1000
#innodb_thread_concurrency = 0
innodb_flush_log_at_trx_commit = 2
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 = 128M
[mysql]
no-auto-rehash
default-character-set=utf8mb4
[mysqlhotcopy]
interactive-timeout
[myisamchk]
key_buffer_size = 256M
sort_buffer_size = 256M
read_buffer = 2M
write_buffer = 2M
添加用戶及用戶組
groupadd -g 101 mysql
useradd -u 514 -g mysql -G root -d /usr/local/mysql mysql
usermod -u 514 -g mysql -G root -d /usr/local/mysql mysql
cp /etc/skel/.* /usr/local/mysql
配置mysql用戶的環境變量
#清空文件,並添加下面內容
vi mysql/.bash_profile
.bash_profile文件內容
# .bash_profile
# Get the aliases and functions
if [ -f ~/.bashrc ]; then
. ~/.bashrc
fi
# User specific environment and startup programs
export MYSQL_BASE=/usr/local/mysql
export PATH=${MYSQL_BASE}/bin:$PATH
unset USERNAME
#stty erase ^H
set umask to 022
umask 022
PS1=`uname -n`":"'$USER'":"'$PWD'":>"; export PS1
賦權限和用戶組
chown mysql:mysql /etc/my.cnf
chmod 640 /etc/my.cnf
chown -R mysql:mysql /usr/local/mysql
chmod -R 755 /usr/local/mysql
配置服務及開機自啓動
#將服務文件拷貝到init.d下,並重命名爲mysql
cp mysql/support-files/mysql.server /etc/rc.d/init.d/mysqld
#賦予可執行權限
chmod +x /etc/rc.d/init.d/mysqld
#刪除服務
chkconfig --del mysqld
#添加服務
chkconfig --add mysqld
chkconfig --level 345 mysqld on
安裝mysql並初始化
#切換到mysql用戶
su - mysql
#初始化mysql的db
bin/mysqld --defaults-file=/etc/my.cnf --user=mysql --basedir=/usr/local/mysql/ --datadir=/usr/local/mysql/data/ --initialize
#在初始化時如果加上 –initial-insecure,則會創建空密碼的 root@localhost 賬號,否則會創建帶密碼#的 root@localhost 賬號,密碼直接寫在 log-error 日誌文件中
#(在5.6版本中是放在 ~/.mysql_secret 文件裏,更加隱蔽,不熟悉的話可能會無所適從)
查看臨時密碼
cat data/hostname.err |grep password
#2019-07-27T07:23:18.351344Z 1 [Note] A temporary password is generated for root@localhost: (13dRixi_pIs
#臨時密碼:(13dRixi_pIs)
#啓動mysql
/usr/local/mysql/bin/mysqld_safe --defaults-file=/etc/my.cnf &
#登錄及修改用戶密碼,'(13dRixi_pIs' 是臨時密碼
bin/mysql -urot -p'(13dRixi_pIs'
#修改密碼,以及添加mysql遠程訪問
alter user root@localhost identified by '123456';
GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY '123456' ;
flush privileges;
exit;
#重啓mysql
service mysqld restart
#登錄mysql
mysql -uroot -p123456