yum源配置
=========
- rpmforge
- rpm -Uvh http://pkgs.repoforge.org/rpmforge-release/rpmforge-release-0.5.3-1.el5.rf.x86_64.rpm
- rpm -Uvh http://pkgs.repoforge.org/rpmforge-release/rpmforge-release-0.5.3-1.el6.rf.x86_64.rpm
- EPEL
- Installing RHEL EPEL Repo on Centos 5.x or 6.x
系统配置
===========
DNS解析配置
> vi /etc/resolv.conf
nameserver 127.0.0.1
nameserver 8.8.8.8
nameserver 202.106.0.20
nameserver 202.96.128.86
nameserver 202.96.128.143
打开文件数限制
> vi /etc/security/limits.conf
<user_name> - nofile 20000
系统最大线程数限制（CentOS 6要特别注意，它的默认值很小，为1024）
> vi /etc/security/limits.d/90-nproc.conf
* soft nproc 65535
> ulimit -u #查看
host配置
vi /etc/hosts
创建用户
groupadd xxxxx-group
useradd -p `openssl passwd xxxxx` -g xxx-grop xxx-user
禁用某些用户SSH登录
vi /etc/ssh/sshd_config
DenyUsers <user_name>
crontab配置
0 1 * * * /usr/sbin/ntpdate cn.pool.ntp.org
关闭SELinux
setenforce 0
vi /etc/selinux/config
....
SELINUX=disabled
....
必备软件安装
================
Java
安装JDK
rpm -ivh jdk-6u45-linux-amd64.rpm
# 替换open-jdk软链
rm /usr/bin/java -f
ln -s /usr/java/latest/bin/java /usr/bin/java
rm /usr/bin/javac -f
ln -s /usr/java/latest/bin/javac /usr/bin/javac
配置环境变量
>> vi /etc/profile
export JAVA_HOME=/usr/java/latest
export PATH=$PATH:$JAVA_HOME/bin
CLASSPATH=.:$CLASSPATH
python
安装python2.7.x
./configure --enable-shared --prefix=xxx && make && make install
安装easy_install
wget http://peak.telecommunity.com/dist/ez_setup.py
python ez_setup.py --insecure
-to be continue
