OS安装完后，初始化系统。更新和安装部分包和epel源，禁用selinux，同步时间，设置utf-8，limits，profile的配置文件。
#!/bin/bash # # 2015/07/15 yum -y update yum -y groupinstall "Development Tools" yum -y install lrzsz wget vim ntp # 先同步一次时间，后续要通过局域网的ntp服务器来定时同步。 /usr/sbin/ntpdate stdtime.gov.hk # CentOS 用户可以直接通过 yum install epel-release 安装并启用 EPEL 源。CentOS Extras 默认包含该包。 rpm -Uvh http://dl.fedoraproject.org/pub/epel/epel-release-latest-6.noarch.rpm yum makecache # 禁用selinux # modify /etc/sysconfig/selinux # to: SELINUX=disabled # and reboot later. setenforce 0 && sed -i 's/SELINUX=enforcing/SELINUX=disabled/' /etc/selinux/config # utf-8 [ -f /etc/sysconfig/i18n.bak ] || cp -a /etc/sysconfig/i18n /etc/sysconfig/i18n.bak && \ echo 'LANG="en_US.UTF-8"' > /etc/sysconfig/i18n # limits sed -i 's/1024/65535/' /etc/security/limits.d/90-nproc.conf cat <<_LIMIT >/etc/security/limits.d/my-limits.conf * soft nofile 65535 * hard nofile 65535 * soft core unlimited _LIMIT # profile cat <<_PROFILE >>/etc/profile alias ls='ls --color=tty' alias ll='ls -l --color=tty' alias l.='ls -d .* --color=tty' alias vi='vim' alias rm='rm -i' alias cp='cp -i' alias mv='mv -i' alias grep='grep --color' alias pgrep='pgrep -l' alias fgrep='fgrep --color' alias which='alias | /usr/bin/which --tty-only --read-alias --show-dot --show-tilde' export HISTTIMEFORMAT="%F %T " export HISTFILESIZE=50000 export HISTSIZE=50000 _PROFILE
