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Internet Linux mac traceroute tracert Tutorial

How to do tracert on a Mac and Linux

Most of us, IT geeks use tracert a lot on Windows systems, but when it comes to Linux or a Mac system Windows System admins get lost.

For Linux and Mac users, you need to use:


traceroute
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Google Apps Alias limitations

Like many others I use Google Apps account for my emails and I have more than one domain that I add as Alias to Google Apps primary account. For quite a while I’ve been wondering if there was a limit of how many aliases I can add to Google Apps and I wasn’t able to find it anywhere in Google Help or other blogs via google search. So today I finally found this out by reaching the limit of Aliases in Google Apps (the paid Gmail).

The number of aliases you can add to your primary domain is 19. so the 20th is your primary domain.

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How to Flush DNS on Mac and Windows

To flush or reset DNS on a Mac OS X type the following into terminal and run:

dscacheutil -flushcache

If you have older Mac OS X, this might work for you:

lookupd -flushcache

To flush DNS on any Windows version, click start > Run and type in command:

ipconfig /flushdns

Hope this fixes your DNS issues.

If you have any questions, please ask in comments.