刘征(Martin Liu)是DevOps Handbook的译者,Exin首批国内DOP和DOM认证讲师,从业十多年以来积累了丰富的云计算技术和项目经验,持有红帽RHCA认证和AWS高级架构师认证。谙熟企业数据中心的IT服务管理。目前致力于推广DevOps的理念和技术实践。

Install Smokeping via yum

From :http://ai.net.nz/horde/wicked/display.php?page=SmokePing Install needed packages rrdtool `yum install rrdtool <br />**perl-CGI-SpeedyCGI**<br /> `yum install perl-CGI-SpeedyCGI fping `yum install fping <br />** Or do them all together:**<br /> `yum install rrdtool perl-CGI-SpeedyCGI fping Smokeping `wget http://people.ee.ethz.ch/~oetiker/webtools/smokeping/pub/smokeping-2.0.9.tar.gztar xvzf smokeping-2.0.9.tar.gzmv smokeping-2.0.9 /usr/local/smokepingchown -R root:root /usr/local/smokeping<br /><br />cd /usr/local/smokeping/binfor foo in *.dist; do cp $foo `basename $foo .dist`; done<br /><br />cd /usr/local/smokeping/etc/for foo in *. [Read More]

如何看懂Smokeping图表

_RTT(Round-Trip Time) _ 简单说它是一个数据报在网络上两点中间往返一次的时间。是影响TCP性能和表征网络运行状况的重要参数。在网络中实时、准确地测量大量TCP设 [Read More]