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Monthly Archives: July 2007

embedding fonts to a PDF file from the command line and using free software

Wednesday, July 25, 2007

Let’s imagine you have to merge several PDF files that your colleagues sent you into a single, larger document. Let’s then imagine that your idea is to publish this document, but the publisher requires all fonts to be embedded in the document. Unfortunately, your PDF file does not have all the fonts embedded, as you […]

Filed in free software, pdf, publishing | Comments (1)

libpcap: packet timestamps not increasing

Wednesday, July 18, 2007

As some of you may already know, one of my jobs is to maintain and develop for the CoMo network monitoring system. CoMo supports many input sniffers, such as bpf for FreeBSD systems, netflow, sflow, data from the network monitoring specialized DAG cards, and most notably libpcap.
In CoMo, every packet has a reception timestamp. How […]

Filed in network monitoring | Comments (1)