In the study CCNA related courses NAT Network Address Translation content，When the practice often requires no out a dynamic NAT or PAT address pool
Cisco IOS NAT table as long as the provision of translation entries have included the address of the address pool，You will be able to modify or delete the address pool。
at this time，You enter
(config)# no ip nat pool pool_name
It will give the corresponding tips：
%Pool pool_name in use, cannot destroy
[……]
existPrevious articlemiddle，We now discuss the method can find deleted .pkg packages，Obviously the pros and cons，Then I introduced a software for everyone，pkg_uninstaller，This is what I found on the github，Its website here：https://github.com/mpapis/pkg_uninstaller
then，For us it is to install and use，of course，I regret that it does not have graphics port，Hehe。
Open a terminal，Then enter：[……]
All to known，In OS X，There are two kinds of software installation package，One is all the common.app；another，It is to install more trouble.pkg.
As long as the majority of the former, then dragged "application"The can be used normally，Belongs to us often say "green software”，While the latter，You'll need to double-click，start upinstallerInstall，But also you need to enter a password to give permission，Of course，There are many such applications，You also need to restart the computer before you can。
pkg format software is actually installedThe extract from the compressed file and pkg in[……]
I use on a Macparalles desktop 8，PT is mainly used to run some of what the software is not compatible with OS X，Of course, occasionally you want a game，And roommate playing Half-Life。
But then we found that these download all play a bad game fps，Of course not because the configuration is not enough，TouchesMouse running around，No control!
At first I thought it was dx compatibility issues，For this reason I upgraded toGenuine PD8，But the problem is still there，But since the money is not refunded =。=
I in turn tried dx10，dx9，It touches close[……]
Now computer configuration，Whether laptop，Or desktop computer，It started getting higher and higher levels，Frequently several G memory，But the software side but difficult to keep up with。
and，More fans prefer their own Zanji，Such hardware can maximize the effectiveness of favorite，This is good，but，A lot of people missed the point：Choice of operating system。
well known，Generally, we use to play the game or choose popular windows is better，Now the market is still commonly used in windows XP，Yes，You read，It really is! Year of this article is not wrong[……]
I remember when the blog I wrote just created aGoogle's public NSFor everyone，That which describes the utility of Google NS 8.8.8.8，Internet can be said that science must-ns
But under normal circumstances，Perhaps because of this ns itself from the wall bars，There will be all kinds of trouble in most cases，This time again send out a new domestic public ns
Security Insecurity，I say not，But say，Apple used toapp store download accelerationStill obvious，I am here in the use of optical fiber telecommunications 6M 8.8.8.8 download only 10[……]
I useMacBook Pro ，Therefore, the use of online banking is very convenient，Or use a virtual machine to install a XP occasionally used to pay for online shopping。
Later, the more we use the more xp really bloated，Later also to consider long-term，Or from the Wei Feng, broke a streamlined Win7 stuffed inside the PD，The Win7 Professional Edition，I do not know install flagship I have not encountered this problem ah，Is activated when the card
Parallels Desktop 7 : No Free Memory for XSDT
Here，You need to click on the keyboard[……]
Do not know how many new shoesUninstall linux，Often engage in corruptiongrub，Cause not enter normal windows。
Here's a very simple way，“The method of time-tested way，I have since uninstalled linux are using this method，Safety，Convenience，Shortcut。”
First youMust notIn the win to linux deleted。This methoddebian and its derivative versionOn through，Others may be common，Test your own。
Next View/usr/lib/syslinux/Is there a casembr.bi[……]
Long time no come，This exercise，I encountered an interesting reminder：this program uses gets(), which is unsafe.
gets()function。
He says gets()function，He said fgets will()function。
fgets()Function is to read from the stream into the stream up to num characters in the character array str，When a line break、Or read nu[……]