ubuntu:networking:dns:flush_dns
Table of Contents
Ubuntu - Networking - DNS - Flush DNS
View the statistics of our DNS cache
resolvectl statistics
returns:
DNSSEC supported by current servers: no Transactions Current Transactions: 0 Total Transactions: 3554 Cache Current Cache Size: 0 Cache Hits: 13 Cache Misses: 84731 DNSSEC Verdicts Secure: 0 Insecure: 0 Bogus: 0 Indeterminate: 0
Flush the cache
resolvectl flush-caches
NOTE: This should reduce the Cache Size entry reset to 0.
- This works for both Ubuntu Server and Ubuntu Desktop.
The Older Method
sudo systemd-resolve --flush-caches
Check the statistics in order to make sure that your cache size is now zero, thus cleared:
sudo systemd-resolve --statistics
returns:
DNSSEC supported by current servers: no Transactions Current Transactions: 0 Total Transactions: 169902 Cache Current Cache Size: 39 Cache Hits: 162 Cache Misses: 190 DNSSEC Verdicts Secure: 0 Insecure: 0 Bogus: 0 Indeterminate: 0
ubuntu/networking/dns/flush_dns.txt · Last modified: 2022/06/30 23:00 by 45.89.242.204