Or alternatively, you can use this configuration option in the ~/.iftoprc file: num-lines:2000000000
Should do what you're looking for (up to 2000000000 lines).
Values 0 or -1 won't help (no result displayed): iftop -L 2000000000 -tnNBP -s 3600 -o destination > output.txt 2>&1 s num print one single text output afer num seconds, then quit The following options are only available in combination with -t UPDATE: but actually, as kindly told me, this information is also available in the command's built-in help: # iftop -usage 587 options_config_get_int("num-lines", &options.num_lines) Ģ98 config_set_string("num-lines", optarg) I couldn't find it in iftop's configuration file documentation but I did find it in the sou rce: 167 options.num_lines = 10
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