mysql-5.7.20 二进制安装 | 备份恢复

2022-02-08 06:10:02

###### 二进制自动安装数据库脚本root密码123456将脚本和安装包放在/usr/local/src目录即可###############
######数据库目录/usr/local/mysql############
######数据目录/data/mysql############
######慢日志目录/data/slowlog############
######端口号默认3306其余参数按需自行修改############
 
#!/bin/bash

cd /usr/local/src/

wget   http://ftp.kaist.ac.kr/mysql/Downloads/MySQL-5.7/mysql-5.7.20-linux-glibc2.12-x86_64.tar.gz

yum install -y autoconf automake imake libxml2-devel expat-devel cmake gcc gcc-c++ libaio libaio-devel bzr bison libtool ncurses5-devel
# Check if user is root

if [ $(id -u) != "0" ]; then

    echo "Error: You must be root to run this script, please use root to install"

    exit 1
fi
clear
 
echo "========================================================================="

echo "A tool to auto-compile & install MySQL 5.7.20 on Redhat/CentOS Linux "

echo "========================================================================="

cur_dir=$(pwd)
#set mysql root password

    echo "==========================="

    mysqlrootpwd="123456"

    echo -e "Please input the root password of mysql:"

    read -p "(Default password: 123456):" mysqlrootpwd

    if [ "$mysqlrootpwd" = "" ]; then

        mysqlrootpwd="123456"

    fi

    echo "==========================="

    echo "MySQL root password:$mysqlrootpwd"

    echo "==========================="
#which MySQL Version do you want to install?

echo "==========================="

    isinstallmysql57="n"

    echo "Install MySQL 5.7.20,Please input y"

    read -p "(Please input y , n):" isinstallmysql57

    case "$isinstallmysql57" in

    y|Y|Yes|YES|yes|yES|yEs|YeS|yeS)

    echo "You will install MySQL 5.7.20"

    isinstallmysql57="y"

    ;;

    *)

    echo "INPUT error,You will exit install MySQL 5.7.20"

    isinstallmysql57="n"

    exit

    esac

    get_char()

    {

    SAVEDSTTY=`stty -g`

    stty -echo

    stty cbreak

    #dd if=/dev/tty bs=1 count=1 2> /dev/null

    stty -raw

    stty echo

    stty $SAVEDSTTY

    }

    echo ""

    echo "Press any key to start...or Press Ctrl+c to cancel"

    char=`get_char`

# Initialize  the installation related content.

function InitInstall()
{

    cat /etc/issue

    uname -a

    MemTotal=`free -m | grep Mem | awk '{print  $2}'` 

    echo -e "\n Memory is: ${MemTotal} MB "

    #Set timezone

    rm -rf /etc/localtime

    ln -s /usr/share/zoneinfo/Asia/Shanghai /etc/localtime

    #Delete Old Mysql program

    rpm -qa|grep mysql

    rpm -e mysql

    #Disable SeLinux

    if [ -s /etc/selinux/config ]; then

    sed -i 's/SELINUX=enforcing/SELINUX=disabled/g' /etc/selinux/config

    fi

    setenforce 0
}
 
#Installation of depend on and optimization options.

function InstallDependsAndOpt()
{

cd $cur_dir

cat >>/etc/security/limits.conf<<EOF
* soft nproc 65535
* hard nproc 65535
* soft nofile 65535
* hard nofile 65535
EOF

echo "fs.file-max=65535" >> /etc/sysctl.conf
}
#Install MySQL
 
function InstallMySQL57()
{

echo "============================Install MySQL 5.7.20=================================="

cd $cur_dir
#Backup old my.cnf
#rm -f /etc/my.cnf

if [ -s /etc/my.cnf ]; then

    mv /etc/my.cnf /etc/my.cnf.`date +%Y%m%d%H%M%S`.bak
fi

echo "============================MySQL 5.7.20 installing…………========================="
#mysql directory configuration

cd /usr/local/src

tar   zxvf     mysql-5.7.20-linux-glibc2.12-x86_64.tar.gz

mv   mysql-5.7.20-linux-glibc2.12-x86_64       /usr/local/mysql
groupadd mysql -g 512

useradd -u 512 -g mysql -s /sbin/nologin -d /home/mysql mysql

mkdir -p /data/mysql

mkdir -p /data/slowlog

chown -R mysql:mysql /data/mysql

chown -R mysql:mysql /usr/local/mysql

chown -R mysql:mysql /data/slowlog

mkdir -p /var/run/mysql 

chown mysql:mysql /var/run/mysql
#edit /etc/my.cnf

SERVERID=`ifconfig eth0 | grep "inet" | awk '{ print $2}'| awk -F. '{ print $3$4}'`
 
cat >>/etc/my.cnf<<EOF
[client]
port=3306

socket=/var/run/mysql/mysql.sock

default-character-set=utf8
[mysql]
no-auto-rehash

default-character-set=utf8
[mysqld]
bind-address = 0.0.0.0
port=3306

character-set-server=utf8

socket=/var/run/mysql/mysql.sock

basedir=/usr/local/mysql

datadir=/data/mysql

explicit_defaults_for_timestamp=true
lower_case_table_names=1
back_log=103
max_connections=3000
max_connect_errors=100000
table_open_cache=512
external-locking=FALSE
max_allowed_packet=32M
sort_buffer_size=2M
join_buffer_size=2M
thread_cache_size=51
query_cache_size=32M
#query_cache_limit=4M
transaction_isolation=REPEATABLE-READ
tmp_table_size=96M
max_heap_table_size=96M
###***slowqueryparameters
long_query_time=1
slow_query_log = 1

slow_query_log_file=/data/slowlog/slow.log
###***binlogparameters
log-bin=mysql-bin
binlog_cache_size=4M
max_binlog_cache_size=4096M
max_binlog_size=1024M
binlog_format=MIXED
expire_logs_days=7
###***relay-logparameters
#relay-log=/data/3307/relay-bin
#relay-log-info-file=/data/3307/relay-log.info
#master-info-repository=table
#relay-log-info-repository=table
#relay-log-recovery=1
#***MyISAMparameters
key_buffer_size=16M
read_buffer_size=1M
read_rnd_buffer_size=16M
bulk_insert_buffer_size=1M
#skip-name-resolve
###***master-slavereplicationparameters

server-id=$SERVERID
#slave-skip-errors=all
#***Innodbstorageengineparameters
innodb_buffer_pool_size=4G
innodb_data_file_path=ibdata1:10M:autoextend
#innodb_file_io_threads=8
innodb_thread_concurrency=16
innodb_flush_log_at_trx_commit=1
innodb_log_buffer_size=16M
innodb_log_file_size=512M
innodb_log_files_in_group=2
innodb_max_dirty_pages_pct=75
innodb_buffer_pool_dump_pct=50
innodb_lock_wait_timeout=50
innodb_file_per_table=on
[mysqldump]
quick
max_allowed_packet=32M
[myisamchk]
key_buffer=16M
sort_buffer_size=16M
read_buffer=8M
write_buffer=8M
[mysqld_safe]

open-files-limit=8192

log-error=/data/mysql/error.log

pid-file=/data/mysql/mysqld.pid
EOF
 
/usr/local/mysql/bin/mysqld --defaults-file=/etc/my.cnf --user=mysql  --datadir=/data/mysql    --basedir=/usr/local/mysql   --initialize-insecure

cp /usr/local/mysql/support-files/mysql.server /etc/init.d/mysqld

sed -i 's/`hostname`/mysqld/g'  /etc/init.d/mysqld

chmod 700 /etc/init.d/mysqld
chkconfig --add mysqld
chkconfig --level 2345 mysqld on

cat >> /etc/ld.so.conf.d/mysql-x86_64.conf<<EOF
/usr/local/mysql/lib
EOF
ldconfig

if [ -d "/proc/vz" ];then

ulimit -s unlimited
fi

/etc/init.d/mysqld start

cat >> /etc/profile <<EOF

export PATH=$PATH:/usr/local/mysql/bin

export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/local/mysql/lib
EOF

/usr/local/mysql/bin/mysqladmin -u root password $mysqlrootpwd

cat > /tmp/mysql_sec_script<<EOF
use mysql;
#delete from mysql.user where user!='root' or host!='localhost';
#grant all privileges on *.* to 'sys_admin'@'%' identified by '123456';
flush privileges;
EOF

/usr/local/mysql/bin/mysql -u root -p$mysqlrootpwd -h localhost <    /tmp/mysql_sec_script

rm -f /tmp/mysql_sec_script

/etc/init.d/mysqld restart
 
echo "============================MySQL 5.7.20 install completed========================="
}

function CheckInstall()
{

echo "===================================== Check install ==================================="
clear

ismysql=""

echo "Checking..."

if [ -s /usr/local/mysql/bin/mysql ] && [ -s /usr/local/mysql/bin/mysqld_safe ] && [ -s /etc/my.cnf ]; then

  echo "MySQL: OK"

  ismysql="ok"

  else

  echo "Error: /usr/local/mysql not found!!!MySQL install failed."
fi

if [ "$ismysql" = "ok" ]; then

echo "Install MySQL 5.7.20 completed! enjoy it."

echo "========================================================================="

netstat -ntl
else

echo "Sorry,Failed to install MySQL!"

echo "You can tail /root/mysql-install.log from your server."
fi
}
#The installation log

InitInstall 2>&1 | tee /root/mysql-install.log

InstallDependsAndOpt 2>&1 | tee -a /root/mysql-install.log

InstallMySQL57 > /dev/null

CheckInstall 2>&1 | tee -a /root/mysql-install.log

cd /usr/local/src
#rm -f mysql-5.7.20-linux-glibc2.12-x86_64.tar.gz

source  /etc/profile
 
备份
mysqldump  -uroot -p123456 -B  ultrax  > ultrax.sql
-A  全备份
-B  备份库（表结构和数据）
查看

egrep -v "#|\*|--|^$"    ultrax.sql
恢复

mysql  -uroot -p123456        < /root/ultrax.sql

本文转自 295631788 51CTO博客，原文链接：http://blog.51cto.com/hequan/1982428，如需转载请自行联系原作者

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