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network-diagnostic-tips [2016/07/15 10:39] serbizadmin |
network-diagnostic-tips [2020/06/13 15:10] (current) |
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====== Network Diagnostic Tips ====== | ====== Network Diagnostic Tips ====== | ||
- | To say that a site is inaccessible is hardly helpful to its administrators. Please help us address the issue head on by using the following tips: | + | To just say that a site is inaccessible is hardly helpful to its administrators. Please help us address the issue head on by using the following tips: |
**1. Run a traceroute from your commandline and from an independent site.**\\ | **1. Run a traceroute from your commandline and from an independent site.**\\ | ||
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DNS is like the phone book of the Internet. It keeps track of website names like myportal.upou.edu.ph.\\ | DNS is like the phone book of the Internet. It keeps track of website names like myportal.upou.edu.ph.\\ | ||
- | + | **3. Help trace possible packet loss with MTR.**\\ | |
- | **3. Test your site's DNS.**\\ | + | Using an admin or root account, run this from the command line\\ |
+ | mtr myportal.upou.edu.ph | ||
+ | That should display something like this: | ||
+ | {{ :: | ||
+ | Send your own results to [email protected]\\ | ||
+ | \\ | ||
+ | **4. Test your site's DNS.**\\ | ||
Diagnostic sites like [[http:// | Diagnostic sites like [[http:// | ||
+ | |||
+ | ---- | ||