0
votes
0answers
85 views

Delete file if silence detect?

I'm using this filter "-af silencedetect=n=-30dB:d=2" in FFmpeg, and I'd like to know if is there a option or argument if was detected silence in audio don't generate it, if someone know how or know ...
0
votes
1answer
64 views

Strip text off received messages in postfix

On one of my systems I run a secondary mail server which gets all mail from a primary server. However the primary server has an annoying tendency of attaching text to the end of the mails when ...
0
votes
1answer
489 views

How do I install the “fade” filter for FFmpeg?

There is documentation for the "fade" filter, but I don't know how to install it. I'm using CentOS. I've installed FFmpeg from RMPForge: yum install ffmpeg
2
votes
1answer
1k views

How to match multiple strings in iptables

I have 2 strings, and i wish to queue the packet if it contains both the strings ( something like ("jsh"&&"gjhyg")), i tried following ways, but they don't seem to work: sudo iptables -A ...
29
votes
2answers
4k views

How to rate-limit a pipe under linux?

Is there a filter which I could use to rate-limit a pipe on linux? If this exists, let call it rate-limit, I want to be able to type in a terminal something like cat /dev/urandom | rate-limit 3 -k | ...