yum更新
#yum grouplist #yum groupinstall " "
#yum upgrade # yum update
yum -y update更新所有包,改變軟體設定和系統設定,系統版本核心都更新
yum -y upgrade更新所有包,不改變軟體設定和系統設定,系統版本更新,核心不改變
# yum install tree telnet dos2unix sysstat lrzsz -y
# sed -i s#SELINUX=enforcing#SELINUX=disabled#g /etc/selinux/config
# getenforce
# runlevel # vi /etc/inittab #init
#setup #ntsysv
#LANG=EN
# chkconfig --list |grep "3:on"
關閉所有服務#for hequan in `chkconfig --list |grep "3:on" | awk '{print $1}'`;do chkconfig $hequan off;done
crond network rsyslog sshd 4個開機服務
# for hequan in sshd crond network rsyslog;do chkconfig $hequan on;done
# for hequan in `chkconfig --list | grep "3:on" | awk '{print $1}' | grep -vE "crond|network|sshd|rsyslog" `; do chkconfig $hequan off; done
# vi /etc/ssh/sshd_config
# cat /etc/sysconfig/i18n
LANG="zh_CN.UTF-8" # echo 'LANG="zh_CN.UTF-8"' > /etc/sysconfig/i18n
# /usr/sbin/ntpdate time.nist.gov 時間更新
# echo '*/5 * * * * /usr/sbin/ntpdate time.nist.gov > /dev/null 2>&1' >>/var/spool/cron/root
# crontab -l
# ulimit -n
# echo ‘'* - nofile 65535 ' >> /etc/security/limits.conf
# vi /etc/sysctl.conf 優化核心
# cat /etc/issue 開機登陸界面
# chattr +i /etc/passwd
# lsattr /etc/passwd
# vi /etc/motd
登陸顯示
本文轉自 295631788 51CTO部落格,原文連結:http://blog.51cto.com/hequan/1757932,如需轉載請自行聯系原作者