[Planetlab-users] (no subject)

[Rob Sherwood]

On Sun, Nov 26, 2006 at 04:27:41PM +0100, Benjamin Zahler wrote:
> Hi all,
> I'm having trouble installing tcpdump / plabdump on my slice.
> 
> First to tcpdump: I did run "yum install tcpdump" which told me that 
> tcpdump is installed and up to date.
> 
> Now running
> /usr/sbin/tcpdump -F dump.out as root yields the following result:
> 
> Couldn't find user 'pcap'
> 
> I have also intalled libpcap,and I've tried a workaraound I've found 
> for this exact problem in the archives:
> /usr/sbin/groupadd -g 77 pcap  2> /dev/null
> /usr/sbin/useradd -u 77 -g 77 -s /sbin/nologin -M -r \ -d /var/arpwatch 
> pcap 2> /dev/null \ || /usr/bin/chsh pcap /sbin/nologin 2> /dev/null

`/usr/sbin/adduser pcap` works for me.  Then I just use /usr/sbin/tcpdump.

Good luck,

- Rob
.