#1 instal jdk , add tomcat user                                                                               

sh init_jdk.sh

useradd tomcat

mkdir -p /usr/local/app/

chown -R tomcat.tomcat /usr/local/app

#2 # vim /etc/sudoers

echo "tomcat  ALL=(ALL)       ALL" >> /etc/sudoers

#3 set limits.conf

echo "*    soft nofile 65536" >>  /etc/security/limits.conf

echo "*    hard nofile 65536" >> /etc/security/limits.conf

ulimit -a

#4 kernel optimization

grep "net.ipv4.tcp_keepalive_time = 30" /etc/sysctl.conf

if [ $? != 0 ]

then

cat <<EOF>> /etc/sysctl.conf

net.ipv4.tcp_max_tw_buckets = 6000

net.ipv4.ip_local_port_range = 1024 65000

net.ipv4.tcp_tw_recycle = 0

net.ipv4.tcp_tw_reuse = 1

net.core.somaxconn = 262144

net.core.netdev_max_backlog = 262144

net.ipv4.tcp_max_orphans = 262144

net.ipv4.tcp_max_syn_backlog = 262144

net.ipv4.tcp_synack_retries = 2

net.ipv4.tcp_syn_retries = 1

net.ipv4.tcp_fin_timeout = 1

net.ipv4.tcp_keepalive_time = 30

net.ipv4.tcp_keepalive_probes = 6

net.ipv4.tcp_keepalive_intvl = 5

net.ipv4.tcp_timestamps = 0

EOF

sed -i 's/net.bridge.bridge-nf-call-ip6tables = 0/#net.bridge.bridge-nf-call-ip6tables = 0/g' /etc/sysctl.conf

sed -i 's/net.bridge.bridge-nf-call-iptables = 0/#net.bridge.bridge-nf-call-iptables = 0/g' /etc/sysctl.conf

sed -i 's/net.bridge.bridge-nf-call-arptables = 0/#net.bridge.bridge-nf-call-arptables = 0/g' /etc/sysctl.conf

fi

sysctl -p

#5 selinux disabled

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

sed -i 's/id:5:initdefault:/id:3:initdefault:/g' /etc/inittab

#6 stop some services

service iptables stop

sh stopservice.sh

#7 see the version

#less /etc/issue

#8 set 90-nproc

sed -i 's/*          soft    nproc     1024/#*          soft    nproc     1024/g'   /etc/security/limits.d/90-nproc.conf

sed -i 's/root       soft    nproc     unlimited/*       soft    nproc     unlimited/g'   /etc/security/limits.d/90-nproc.conf

#9 system basic lib package install

yum install gcc gcc-c++ ncurses-devel.x86_64 cmake.x86_64 libaio.x86_64 bison.x86_64 gcc-c++.x86_64 bind-utils wget curl curl-devel perl openssh-clients setuptool sysstat -y

yum search rz -y

yum install -y lrzsz.x86_64

#10 set shanghai time

cp -f /usr/share/zoneinfo/Asia/Shanghai /etc/localtime

hwclock

#11 restart the linux server

shutdown -r now

# install the basie lib

yum install cmake -y

groupadd mysql

useradd -g mysql mysql

autoreconf --force --install

libtoolize --automake --force

automake --force --add-missing

yum install -y libtoolize

yum install gcc gcc-c++ -y

yum install -y ncurses-devel.x86_64

yum install -y cmake.x86_64

yum install -y libaio.x86_64

yum install -y bison.x86_64

yum install -y gcc-c++.x86_64

yum install make -y

# add mysql account,create the basic directory

mkdir -p /data/mysql/data

cd /data/mysql/data

chown -R mysql.mysql /data

chown -R mysql.mysql /usr/local/mysql5711

mkdir -p /data/mysql/binlog/

chown -R mysql.mysql /data/mysql/binlog/

cd /usr/local/mysql5711/

# init databases

rm -rf /data/mysql/data/*

cp my.cnf /usr/local/mysql5711/my.cnf

time bin/mysqld --defaults-file=/usr/local/mysql5711/my.cnf --initialize --user=mysql

# set the auto start on linux server started

cp support-files/mysql.server /etc/init.d/mysql

chmod 700 /etc/init.d/mysql

echo "export PATH=$PATH:/usr/local/mysql5711/bin">>/etc/profile

source /etc/profile

chkconfig --add mysql

# do a soft link to start mysql

cd /usr/local/

ln -s /usr/local/mysql5711 mysql

# remove default my.cnf

mv /etc/my.cnf /tmp/

# set the default password

/usr/local/mysql/bin/mysqld_safe --skip-grant-tables --skip-networking &

/usr/local/mysql/bin/mysql -uroot --password='' --socket='/usr/local/mysql/mysql.sock' -e " update mysql.user set authentication_string=password('dns_yuerld') where user='root' and Host = 'localhost'; flush privileges;"

/usr/local/mysql/bin/mysql -uroot --password='dns_yuerld' --socket='/usr/local/mysql/mysql.sock' -e " set PASSWORD=PASSWORD('dns_yuerld'); create database t; create table t1 select 1 as a; select * from t1;"

# restart the mysql server

service mysql restart

# check the test

/usr/local/mysql/bin/mysql -uroot --password='dns_yuerld' --socket='/usr/local/mysql/mysql.sock' -e " select * from t1;"