$ TZ=GMT date
Пт авг 30 12:13:14 GMT 2019
$ LC_ALL=C TZ=GMT date +%Y%m%d%H%M%S
20190830121541
$ LC_ALL=C TZ=GMT date --date="Nov 28 09:32:50 2019 GMT" +%Y%m%d%H%M%S
20191128093250
$ echo '{"jsonrpc":"2.0","result":[{"groupid":"63","name":"1voda","internal":"0","flags":"0"}],"id":1}'|jq .result[0].groupid
"63"
sudo apt update
sudo apt install нужный_пакет
apt search ключевые слова
sudo apt-file update