best cpu monitoring software

PID.-u user: monitored process user.Iotop Common shortcut keys:Left and right arrows: Change the sorting method, by default, sort by IO.R: Change the sort order.O: Only processes with IO output are displayed.P: Switch the way the process/thread is displayed.A: Displays cumulative usage.Q: Exit.You can see the effect by executing iotop directly:Total DISK read:0.00 b/S | Total DISK write:0.00 b/STID PRIO USER disk READ disk WRITE swapin io> command1 BE/4 root 0.00 b/S 0.00 B/s 0.00% 0.00% init [

1.CactiThe official website where you can find the latest cacti version, etc.:http://www.cacti.net/ 2, cacti of the official forum, you can find some of the relevant equipment in the image template, related plug-ins, etc.:http://forums.cacti.net/ 3, cacti the description of the document summary:http://docs.cacti.net/ 4, the world cacti enthusiasts and the official template compiled all here, novice veteran must see OH:http://forums.cacti.net/viewforum.php?f=12 5, cacti important plug-in functio

Installation and Use of PHP performance monitoring software xhprof (original)Author: Yu Chao Email: yuchao86@gmail.com Xhprof is a lightweight PHP performance analysis tool open-source by Facebook, similar to xdebug. Compared with xdebug, the configuration is simpler, lighter, and more controllable.Environment: Linux + PHP + Apache1. Install xhprof// Download to any directory[Yuchao @ yuchao-Latitude-E5410

Ntop is a network traffic monitoring software based on Libpcap. You can monitor the network traffic and status through a web browser. The latest version 3.2 is available. You can download ntop from the official website for free: Http://www.ntop.org/download. Html # Tar ntop-3.2.tgz# Cd ntop-3.2#./Configure-Prefix =/usr/local/ntop-disable-ipv6# Make make install We use nobody to run ntop and Set permission

Err Error:1.no pg_hba.conf entry for Host ":: 1", User "Gpmon", Database "Gpperfmon", SSL offSolve:pg_hba.conf增加： host gpperfmon gpmon ::1/128 trust (此处的trust应该为md5，否则后面会报错)2.error: In the installation workload Manaager error, follow the prompts to view the log, found a machine crontab not installedSolve:install vixie-cron3. Login Web Hint: Trust login is disabled.trust user Gpmon is not allowed to login Command CenterDescribe:Use psql-d gpperfmon-u gpmon-w Enter password t