awk: fatal: cannot open file `/var/log/ntpstat/loops.*' for reading: No such file or directory
awk: fatal: cannot open file `/var/log/ntpstat/loops.*' for reading: No such file or directory
line 0: warning: Skipping data file with no valid points

set term dumb 100 26;set lmargin 10; set xzeroaxis;               set xlabel 'time [MJD]';               set ylabel 'time offset [s]' offset 0,0;               plot 'time' pt 'x';               set ylabel 'freq diff [ppm]' offset 0,0;               plot 'freq' pt 'o'
                                                                                                                                                                                  ^
line 0: x range is invalid