Install Windows Server in VMware virtual machines 2008 R2 does not recognize the card，Drive can not be found，Many people say that because the default VMware NIC Model AMD PCNet AM79C970A，Not compatible with lead。Then modify the virtual machine configuration file，Manually modify the network card model
I used anothersimplerThe way to solve this problem before you install Make sure that you have installed VMware tools Oh!
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exist[……]
Recently understand what virtualization，So, if you build a environment，During the installationvsphere clientWhen the connection to the server，Because other structures on hand before the rest of the environmentwin2003Virtual Machine，To save time I did not go to the new 2008 virtual machine，Result in the installation may prompt unsuccessful connection。
Results After installation is really successful!
Later found official explanation，Is such that：
vSphere 5.5 usesthe Open SSL library, which, for[……]
One problem encountered in a recent lecture over to them is an error at compile time asp.net "Make sure that the code defined in the class file and" inherits "attribute matches，And which extends the base class(Such as Page or UserControl)is correct。”
Was so amazing even encountered an error，That is the whole sample pages Copy the code can be executed，Copy the individually control error，error，Nature is more than a mistake。
From the Internet for answers，Probably there are two cases，I am fromHere[……]
We learnpointerWhen there may be a lot of things so that we confuse so I use a few small experimental program to give you answers to your questions：
First, from the definition, the variable is a pointer to the address stored in the variable。
Unary operator * is the indirection or dereference operator
Unary operator&Take for an object address，It can only be applied to objects in memory
That * (indirection get is a specific value stored in memory)
For pointers experiment
[crayon-674572414[……]
The first run on a Windows systemAll in One的GNS3when，Have a variety of configurations setup wizard，In the testdynamipsWhen prone to "Analyzing dynamips version fails"Prompt，A lot of people stuck in here at a loss。- I have encountered this problem。
Out of the Internet，Find information related to a good few，It was agreed that as long as the installedwinpcapEverything will be fine，ActuallyIt is notSuch，Unfortunately for installing the latest version ofwinpcapAfter the things no one filed。Now，I Laijiangjiang[……]
NBMAEarly in the CCNA to have contact，Only the name has no concept of，This may be said to be the fault of the translation，After all, the back of his translation did not add parentheses correspond to write about the English name ...... ah，At least not write the full name。so，If I do change itNon-Broadcast Multiple AccessWhen you know，Yes，NBMA is a non-broadcast multiple accessAbbreviation。
Stands fornon-broadcastmultipleaccess，MBA is the corresponding，Naturally, it is broadcastmultipleaccess，which iswide[……]
In the updated10.9formal editionafter that，FindSystem PreferencesPanelSecurity & PrivacyOptions somehow not open，Prompted：
Failed to load preferences pane "security and privacy"
Open your "other"Folder"Font Book"application，as the picture shows
Then find all the words "shut down"Font turn them to open!
You do not even have to restart your computer，"Security and privacy" Now you can use!
Other than that，A friend asked,[……]
Recently deal with some copy，Tragedy foundpagesthere has never beenChinese fontThis strange measure ...... no choice but to find a Chinese font andPoundsofComparedform，This looks a lot better ...... ah，For everyone to share it
[……]
existRSTP (Rapid Spanning Tree Protocol)Learning which，We will know RSTP different fromPVST (Per Vlan Spanning Tree)One of the places，It isPort Roles difference。As different port states believe everyone is familiar with，But the problem of port role，Many books and tutorial included in the classroom are a passing，In retrospect，Students can not help knowing a lot of questions，Let's take a look at this，Among the Rapid Spanning Tree Protocol，Exactly what role the port and the two often talked aboutAlternate ports and backup portsWhat is emerging。
