Starter Linux Server 초기화 셸 스크립트 공유

이 셸 스크립트는 다음과 같이 Linux 서버 시스템을 새로 설치하는 초기화 작업에 주로 사용됩니다.
IPv6 모듈 닫기
SELinux 종료
vim 색상 보이기
시스템 언어 인코딩 설정
시스템 서비스 최적화
내핵 파라미터 최적화 등.
자신의 실제 상황에 따라 수정할 수 있으며 생산 환경에 사용할 수 있다.원작자는 NetSeek이며, 본인은 일부 수정을 했습니다.

 
  
#!/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!"