簡易版Linuxサーバー初期化Shellスクリプトの共有

このShellスクリプトは、主にLinuxサーバシステムの新規インストールの初期化作業に使用されます.
IPv 6モジュールを閉じる
SELinuxを閉じる
vimに色を表示させる
システム言語エンコーディングの設定
システムサービスの最適化
カーネルパラメータの最適化など.
自分の実際の状況に応じて修正することができ、生産環境に使用することができます.原作者はNetSeekで、本人が一部修正しました.

 
  
#!/bin/sh 
  
# desc: lsm03624 modified by www.webnginx.com 
  
#-------------------cut begin------------------------------------------- 
  
#welcome 
  
cat << EOF 
  
+--------------------------------------------------------------+ 
  
| === Welcome to Centos System init === | 
  
+--------------http://www.linuxtone.org------------------------+ 
  
+----------------------Author:NetSeek--------------------------+ 
  
EOF 
  
#disable ipv6 
  
cat << EOF 
  
+--------------------------------------------------------------+ 
  
| === Welcome to Disable IPV6 === | 
  
+--------------------------------------------------------------+ 
  
EOF 
  
echo "alias net-pf-10 off" >> /etc/modprobe.conf 
  
echo "alias ipv6 off" >> /etc/modprobe.conf 
  
/sbin/chkconfig --level 35 ip6tables off 
  
echo "ipv6 is disabled!" 
  
 
  
#disable selinux 
  
sed -i '/SELINUX/s/enforcing/disabled/' /etc/selinux/config 
  
echo "selinux is disabled,you must reboot!" 
  
 
  
#vim 
  
sed -i "8 s/^/alias vi='vim'/" /root/.bashrc 
  
echo 'syntax on' > /root/.vimrc 
  
 
  
#zh_cn 
  
sed -i -e 's/^LANG=.*/LANG="zh_CN.UTF-8"/' /etc/sysconfig/i18n 
  
# configure file max to 52100 
  
echo "* soft nofile 52100 
  
* hard nofile 52100" >> /etc/security/limits.conf 
  
 
  
#tunoff services 
  
#-------------------------------------------------------------------------------- 
  
cat << EOF 
  
+--------------------------------------------------------------+ 
  
| === Welcome to Tunoff services === | 
  
+--------------------------------------------------------------+ 
  
EOF 
  
#--------------------------------------------------------------------------------- 
  
for i in `ls /etc/rc3.d/S*` 
  
do 
  
CURSRV=`echo $i|cut -c 15-` 
  
 
  
echo $CURSRV 
  
case $CURSRV in 
  
cpuspeed | crond | irqbalance | microcode_ctl | mysqld | network | nginx | php-fpm | sendmail | sshd | syslog ) 
  
# ， network、sshd、syslog ！ 
  
echo "Base services, Skip!" 
  
 
  
*) 
  
echo "change $CURSRV to off" 
  
chkconfig --level 235 $CURSRV off 
  
service $CURSRV stop 
  
 
  
esac 
  
done 
  
 
  
rm -rf /etc/sysctl.conf 
  
echo "net.ipv4.ip_forward = 0 
  
net.ipv4.conf.default.rp_filter = 1 
  
net.ipv4.conf.default.accept_source_route = 0 
  
kernel.sysrq = 0 
  
kernel.core_uses_pid = 1 
  
net.ipv4.tcp_syncookies = 1 
  
kernel.msgmnb = 65536 
  
kernel.msgmax = 65536 
  
kernel.shmmax = 68719476736 
  
kernel.shmall = 134217728 
  
net.ipv4.ip_local_port_range = 1024 65536 
  
net.core.rmem_max = 16777216 
  
net.core.wmem_max = 16777216 
  
net.ipv4.tcp_rmem = 4096 87380 16777216 
  
net.ipv4.tcp_wmem = 4096 65536 16777216 
  
net.ipv4.tcp_fin_timeout = 3 
  
net.ipv4.tcp_tw_recycle = 1 
  
net.core.netdev_max_backlog = 30000 
  
net.ipv4.tcp_no_metrics_save = 1 
  
net.core.somaxconn = 262144 
  
net.ipv4.tcp_syncookies = 0 
  
net.ipv4.tcp_max_orphans = 262144 
  
net.ipv4.tcp_max_syn_backlog = 262144 
  
net.ipv4.tcp_synack_retries = 2 
  
net.ipv4.tcp_syn_retries = 2 
  
vm.swappiness = 6" >> /etc/sysctl.conf 
  
echo "optimizited kernel configure was done!"