原创 vmware ESX -5 Vitual center architecture (VC architecture)
Vitual center architecture (VC architecture) according to the vmware website,virtual center is composed of five main
原创 vmware ESX -3 Planing and installing vmware esx server
Planing and installing vmware esx server ------ Select the right hardware for virtualization . most hardware selected
原创 IBM servers
Blade servers are a relatively new technology that has captured industry focus because of their high density, high powe
原创 AWS EC2 & Open***V!PN搭建屬於自己的V!PN服務器
使用Amazon EC2及Open***搭建屬於自己的***服務器
原创 install system online via http server
install open source via mirrors,163.com 1. download boot.iso 2. install via http website: mirrors.163.com directory:
原创 New method to create Shadowsocks service on GC
New method to create Shadowsocks service on google cloud. create instance centos7 with minor cpu. yum install python-se
原创 find command
# find . -name "[a-z][A-Z][0--9][0--9].txt" -print -might return something like "wD38.txt". # find -perm 755 -print
原创 useful command
history grepdiff find / -cmin -60 --check c time last 60 minsstrace lspci --trace commandstrace -p pid --trace proc
原创 sendmail
nslookup set q=mxexample to ensure the mail server is readyadd MX to example.com.zone and 192.168.1.zonerndc reloadensur
原创 Virtualization with Xen
Basic requirement: cpu need to have pae(physical memory extention)# yum groupinstall virtualization
原创 我的友情鏈接
51CTO博客開發
原创 RAID server check (RH3)
hard raid VS soft raid :there is no much merit in build soft raid on production enviromentit is very rare for enterprise
原创 tcp wrappers
cd /etc/xinetd.d/chkconfig krb5-telnet onservice xinetd reloadvi /etc/hosts.denytelnetd: ALL EXCEPT 192.168.1.if chkconf
原创 redhat training
#to delete a directory ,need to own w right to parent directory.#rpm management#ifdown eth0; ifup eth0#comm symmetric en
原创 find command
# find . -name "[a-z][A-Z][0--9][0--9].txt" -print -might return something like "wD38.txt". # find -perm 755 -print