IPCNS # ip change notify script

Script to keep me informed of my constantly-changing home ip while I find a free dynamic dns service or configure my own.

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Installation

1. Install msmtp package (rpm: msmtp-1.8.10-1.el8.x86_64)

2. Configure msmtp

File ~/.msmtprc - example content:

defaults
auth           on
tls            on
tls_trust_file /etc/ssl/certs/ca-bundle.crt
logfile        ~/.msmtp.log

account        gmail
host           smtp.gmail.com
port           587

account default : gmail

3. Configure script variables

File ./vars.conf - example content:

destination=<to-email>
smtp_email=<from-email>
smtp_password=<app-password>
check_frequency=<cron-expression> # Optional (default: "*/5 * * * *" every 5 minutes)

4. Install crontab

Run install-cron.sh to install crontab-which will periodically run check.sh script to check for ip change.

$ ./install-cron.sh