warning: rpmts_HdrFromFdno: Header V3 DSA signature: NOKEY, key ID e8562897

RHA5上用yum安装程序时候，出现下面的异常问题：
Is this ok [y/N]: y
Downloading Packages:
warning: rpmts_HdrFromFdno: Header V3 DSA signature: NOKEY, key ID e8562897
  
RHA5

解决办法：

rpm --import http://centos.ustc.edu.cn/centos/RPM-GPG-KEY-CentOS-5

p4

p4 sync //depot/ipstor.maple/iocore/...
p4 edit server/ipstormirror.c
p4 submit

gvim+ctags+cscope

setup gvim.exe

把minibufexpl.vim cscope_maps.vim放到C:\Program Files\Vim\vim73\plugin\

把cscope.exe ctags.exe放到C:\Program Files\Vim\vim73\ and C:\..\system32\

vimrc添加：
unmap <C-Y>

guifont=Consolas:h12

awk + xargs

iptables -t nat -L -n|grep "Chain srv"|awk '{ print $2 }'|xargs -n1 iptables -t nat -X

find -type f -perm 755

WANIP=`ifconfig $WAN | awk '/inet addr:/ { sub(/addr:/, ""); print $2 }'`

VLANs no longer work with bridges in natty

bug threads:
https://bugs.launchpad.net/ubuntu/+source/vmware-player/+bug/92938
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/658460
https://bugs.launchpad.net/ubuntu/+bug/771209

Fix that (use ebtable_broute):
http://markmail.org/message/sh3t3eqyfcxpqu75
http://ebtables.sourceforge.net/misc/brnf-faq.html