Created
April 16, 2015 12:05
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Fetch time from timeapi.org and set to system, Alternative to ntp
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package main | |
import ( | |
"fmt" | |
"io/ioutil" | |
"log" | |
"net/http" | |
"strings" | |
"bytes" | |
"os/exec" | |
) | |
func main() { | |
month := map[string]string{ | |
"01": "JAN", | |
"02": "FEB", | |
"03": "MAR", | |
"04": "APR", | |
"05": "MAY", | |
"06": "JUN", | |
"07": "JUL", | |
"08": "AUG", | |
"09": "SEP", | |
"10": "OCT", | |
"11": "NOV", | |
"12": "DEC", | |
} | |
res, err := http.Get("http://www.timeapi.org/utc/now") | |
if err != nil { | |
log.Fatal(err) | |
} | |
date, err := ioutil.ReadAll(res.Body) | |
res.Body.Close() | |
if err != nil { | |
log.Fatal(err) | |
} | |
// 2015-04-16T10:29:50+00:00 | |
// date -s "2 OCT 2006 18:00:00" | |
DateTime := strings.SplitN(string(date), "T", 2) | |
YYYY_DD_MM := strings.SplitN(DateTime[0], "-", 3) | |
Time := strings.SplitN(DateTime[1], "+", 2) | |
time_cmd := fmt.Sprintf("\"%s %s %s %s\"", YYYY_DD_MM[2], month[YYYY_DD_MM[1]], YYYY_DD_MM[0], Time[0]) | |
fmt.Println(time_cmd) | |
cmd := exec.Command("/bin/date","-s",time_cmd) | |
var out bytes.Buffer | |
cmd.Stdout = &out | |
err = cmd.Run() | |
if err != nil { | |
log.Fatal(err) | |
} | |
} |
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