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Install swupdate.
Install apache2.
Copy swupdate inferface files into /var/www/swupdate/.
Create and edit /etc/hwrevision.
Copy the public key (mycert.cert.pem) from the platform which packs update.swu.
Make sure the platform system clock is within the validity period of the public key (mycert.cert.pem).
Modify /usr/lib/swupdate/swupdate.sh.
Reboot the system to activate its web server.
Connect to the internet.
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