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Lab 8916100448256 2020-02-29 19:53:07 +00:00
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README.md
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@ -25,10 +25,13 @@ nano /etc/live-dns/live-dns.conf
## How it works ## How it works
### /etc/cron.d/live-dns-update ### /etc/cron.d/live-dns-update
Cron job definition to check for WAN IP change and call Live DNS API to update the DNS record if necessary. By default runs the check/update script 2 times per hour, at every hour past 12 and 42 minutes. Cron job definition to check for WAN IP change and call Live DNS API to update the DNS record if necessary.
By default runs the check/update script 2 times per hour, at every hour past 12 and 42 minutes.
### /etc/live-dns/live-dns.conf ### /etc/live-dns/live-dns.conf
Configuration file for the check/update script Configuration file for the check/update script.
Needs to contains 3 environment variable definitions Needs to contains 3 environment variable definitions
+ DOMAIN="domain.tld" : Replace domain.tld with your domain name + DOMAIN="domain.tld" : Replace domain.tld with your domain name
+ RECORD="host" : Replace host with the sub domain you want to update when WAN IP changes + RECORD="host" : Replace host with the sub domain you want to update when WAN IP changes
@ -43,7 +46,10 @@ This is the script that is called by the cron job.
+ Then they are compared to the A and AAAA DNS records for the configured host and domain. + Then they are compared to the A and AAAA DNS records for the configured host and domain.
+ In case of mismatch Gandi live DNS API is called to update the DNS records + In case of mismatch Gandi live DNS API is called to update the DNS records
Information logs are written to system log. Exemple : Information logs are written to system log.
For Example :
``` ```
Feb 29 20:12:02 passerelle root: WAN IPv4 : 1.2.3.4 Feb 29 20:12:02 passerelle root: WAN IPv4 : 1.2.3.4
Feb 29 20:12:02 passerelle root: WAN IPv6 : 1111:2222:3333:4444:5555:6666:7777:8888 Feb 29 20:12:02 passerelle root: WAN IPv6 : 1111:2222:3333:4444:5555:6666:7777:8888