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linux_wiki:troubleshoot_dns_client_issues [2016/08/30 23:06] billdozor created |
linux_wiki:troubleshoot_dns_client_issues [2016/09/29 22:52] billdozor |
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| Client perspective checking DNS configuration. | Client perspective checking DNS configuration. | ||
| + | |||
| + | ---- | ||
| + | |||
| + | ====== Troubleshooting: | ||
| + | |||
| + | View (dump) the current contents of the unbound cache | ||
| + | <code bash> | ||
| + | unbound-control dump_cache | ||
| + | </ | ||
| + | * This can be also redirected to a file to make edits and load back into cache | ||
| + | |||
| + | \\ | ||
| + | Purge the cache: Single record | ||
| + | <code bash> | ||
| + | unbound-control flush myhost1.example.com | ||
| + | </ | ||
| + | |||
| + | \\ | ||
| + | Purge the cache: Entire Zone | ||
| + | <code bash> | ||
| + | unbound-control flush example.com | ||
| + | </ | ||
| + | |||
| + | \\ | ||
| + | Load cache from a file (dumped there previously) | ||
| + | <code bash> | ||
| + | unbound-control load_cache < cache.txt | ||
| + | </ | ||
| ---- | ---- | ||