发布时间：2015-02-02 21:53:45

http://www.thegeekstuff.com/2009/11/ping-tutorial-13-effective-ping-command-examples/ping -i 0.1 127.0.0.1  ---- each 0.1s to ping only root user can ping each 0.1sping 0/localhost/127.0.0.1 ---- ping localhostping -c 5 IP              ----- 5 times to pin.........【阅读全文】

发布时间：2015-02-02 21:39:51

http://www.thegeekstuff.com/2010/07/rpm-command-examples/-i, --install                     install package(s)-v, --verbose         &n.........【阅读全文】

发布时间：2015-02-02 21:09:54

yum install httpdyum update httpdyum remove httpd......【阅读全文】

发布时间：2015-02-02 21:05:43

http://www.thegeekstuff.com/2010/02/unix-less-command-10-tips-for-effective-navigation/CTRL+F – forward one window CTRL+B – backward one window......【阅读全文】

发布时间：2015-02-02 20:48:26

locate pwd  --- search pwd in mlocate.dbif occure locate: can not stat () `/var/lib/mlocate/mlocate.db': No such file or directoryupdatedb ---> update mlocate.dbcat /dev/updatedb.confPRUNE_BIND_MOUNTS = "yes"PRUNEFS = "9p afs anon_inodefs auto autofs bdev binfmt_misc cgroup cifs .........【阅读全文】