[Linux] Linux系统服务优化 [ 技术分享 ]

disable ipv6 （禁止IP V6）：

#echo "alias net-pf-10 off" >> /etc/modprobe.conf

#echo "alias ipv6 off" >> /etc/modprobe.conf

#/sbin/chkconfig ip6tables off

disable selinux （禁止 SeLinux）：

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

set vim coloure（设置编辑器字体）：

#sed -i "8 s/^/alias vi='vim'/" /root/.bashrc

#echo 'syntax on' > /root/.vimrc

configure file max to 52100（优化文件数）：

#echo "* soft nproc 65535" >>/etc/security/limits.conf

#echo "* hard nproc 65535" >>/etc/security/limits.conf

#echo "* soft nofile 65535" >>/etc/security/limits.conf

#echo "* hard nofile 65535" >>/etc/security/limits.conf

#echo "fs.file-max=65535">>/etc/sysctl.conf

disable UseDNS（ssh优化禁止UseDNS）：

#sed -i "s/#UseDNS yes/UseDNS no/" /etc/ssh/sshd_config

#/etc/init.d/sshd restart

seting services（优化系统服务）：

#SERVICES="acpid atd apmd avahi-daemon avahi-dnsconfd bluetooth capi cpuspeed cups dund firstboot hidd ip6tables isdn irda irattach mcstrans NetworkManager pcscd pand rawdevices
sendmail sdpd yum-updatesd"

#chkconfig $service off

#service $service stop

原文：http://iblog.daobidao.com/linux-linux-system-service-optimization.DaoBiDao