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Tag: linux

Tools for a quick SIP diagnostics – ngrep, sipgrep and sngrep

Sometimes there is a need for simple and quick analysis of a SIP server and its call functions. Of course, we should use the well-known tcpdump, mentioned in the article Using tcpdump for SIP diagnostics. However, for some occasional Linux users this may be too difficult and unclear. But actually there exist some simpler utilities, that could work fine, as ngrep, and for me newer, sipgrep and sngrep (love at first sight).

All utils are directly available and can be installed online from Debian repo using apt-get install ngrep sipgrep sngrep.

Linux Mint – Mouting a FreeNAS iSCSI disk


I'm trying to solve a problem of network backuping on our FreeNAS server. I've already tried CIFS (where were some issues - Linux Mint - problem to access a FreeNAS CIFS share) however I have there a performance issue, especially working with huge number of files produced by the backup proces (deja-dup backup over the net). As the second alternative I'm going to try iSCSI to map a network disk/file from a freenas server.