abloomingtree的专栏

查看系统提供的syslog相关的函数[root@localhost ~]# nm -D /lib/libc.so.6 | grep logsyslog.conf格式： 设备.日志级别（= ！= ；）   动作user.*                /var/log/messages*.err                   /var/log/err_msg*.=warn

// 1. 在安装ssh服务器之前 ,first install zlib and opensslapt-get install libz-deapt-get install libssl-ocaml-dev;// 2. 安装openssh-5.8p2.tar.gz              configuration make make install      配置  ：P

/***********************************************************************************/                 GIT create an open ID account for Git/gerrit server  :  丁麗丹           lidanding@wistronits.com

DHCP客户端  :         client default port == 68   ；  RFC 2131；   抓包 wireshark（协议bootp is DHCP）     “bootp and eth.addr == F8:66:F2:F6:c0:3f”        # rpm -qa|grep dhcp   // centOS 检查是否安装了DHCP

更新源    ubuntu:   after back, update /etc/apt/source.list                   sudo apt-get update在线安装    ubuntu:   sudo apt-get install XXX XXX    centos:   yum -y install XXX XXX 包安装    ub