+ Do not reset enviroment variables while sudo.

centostweak.sh

@@ -152,6 +152,7 @@ yum install sysstat ntp net-snmp sudo screen -y
 cp /etc/sudoers /etc/sudoers.`date +"%Y-%m-%d_%H-%M-%S"`
 # 允许wheel组的系统用户通过无密码sudo方式行使root权限
 sed -i -e '/NOPASSWD/s/^# //' /etc/sudoers
+sed -i -e 's/env_reset/!env_reset/' /etc/sudoers
 # 添加环境变量，保证sudo时不用绝对路径执行常用管理命令以及编译软件时能找到库文件
 echo 'export PATH=$PATH:/sbin:/usr/sbin' >> /etc/bashrc
 echo 'export LDFLAGS="-L/usr/local/lib -Wl,-rpath,/usr/local/lib"' >> /etc/bashrc
@@ -308,4 +309,4 @@ sed -i '/# End of file/i\*\t\t-\tnofile\t\t65535' /etc/security/limits.conf
 # yum install -y fail2ban
 # cp /etc/fail2ban/jail.conf /etc/fail2ban/jail.conf.`date +"%Y-%m-%d_%H-%M-%S"`
 # sed -i 's/bantime  = 600/bantime  = 43200/' /etc/fail2ban/jail.conf
-# ${SERVICE} fail2ban start
+# ${SERVICE} fail2ban start