How to check and renew a GRS ElectrumX server self certificate

[jackielove4u]

The following were tested in Ubuntu 16.04, some dependencies can be different in other distros

• cd /etc/electrumx-grs
• openssl x509 -in server.crt -noout -enddate
• openssl req -new -key server.key -out server.csr
• openssl x509 -req -days 3650 -in server.csr -signkey server.key -out server.crt
• service electrumx-grs restart

check if the cert has been succesfully renewed: openssl s_client -servername

electrum25.groestlcoin.org -connect electrum25.groestlcoin.org:50002 | openssl x509 -noout -dates[/list]