yum update
yum -y install gcc gcc-c++ make autoconf libtool-ltdl-devel gd-devel freetype freetype-devel libxml2-devel libjpeg-devel libpng-devel openssl-devel openssl curl-devel bison patch unzip libmcrypt-devel libmhash-devel ncurses-devel sudo bzip2 setuptool libaio-devel zlib zlib-devel glibc glibc-devel glib2 glib2-devel e2fsprogs e2fsprogs-devel openssh-clients ntp vnstat htop mlocate lsof lrzsz sysstat vim-enhanced strace telnet rsync tcpdump tcpflow fonts-chinese cmake libmcrypt* libtool* libtool-ltdl-devel* cmake bison pcre pcre-devel libevent libevent-devel
普通服务器配置
echo 65535 >/proc/sys/fs/file-max
echo "ulimit -SHn 65535" >> /etc/rc.local
cat >> /etc/security/limits.conf << EOF
* soft nofile 65535
* hard nofile 65535
EOF
前端web服务器的配置
echo 655350 >/proc/sys/fs/file-max
echo "ulimit -SHn 655350" >> /etc/rc.local
cat >> /etc/security/limits.conf << EOF
* soft nofile 655350
* hard nofile 655350
EOF
#set purview
chmod 600 /etc/passwd
chmod 600 /etc/shadow
chmod 600 /etc/group
chmod 600 /etc/gshadow
cat >> /etc/sysctl.conf << EOF
net.ipv4.tcp_fin_timeout = 1
net.ipv4.tcp_keepalive_time = 1200
net.ipv4.tcp_mem = 94500000 915000000 927000000
net.ipv4.tcp_tw_reuse = 1
net.ipv4.tcp_timestamps = 0
net.ipv4.tcp_synack_retries = 1
net.ipv4.tcp_syn_retries = 1
net.ipv4.tcp_tw_recycle = 1
net.core.rmem_max = 16777216
net.core.wmem_max = 16777216
net.core.netdev_max_backlog = 262144
net.core.somaxconn = 262144
net.ipv4.tcp_max_orphans = 3276800
net.ipv4.tcp_max_syn_backlog = 262144
net.core.wmem_default = 8388608
net.core.rmem_default = 8388608
EOF
/sbin/sysctl -p