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* [Flent-users] the perverse universe of ubuntu 18.04
@ 2018-10-27 12:27 Dave Taht
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From: Dave Taht @ 2018-10-27 12:27 UTC (permalink / raw)
  To: flent-users

so I just upgraded to ubuntu 18.04 finally and tried to get flent running.

flent's in toke's ppa... installs irtt and flent...

no netperf in their default repos
   the multiverse/universe version is 2.6.

netperf 2.7 won't build due to a missing makeinfo utility that's also
in the universe repo

(add deb http://mirrors.kernel.org/ubuntu bionic main universe to

ubuntu "ping" now automagically will do ipv6. This confuses flent
especially when your ipv6 is not actually working.

fping is not in their default repos, nor the multiverse repo. It is in
the universe repo, however.
running that version with rrul gives me...

WARNING: Program exited non-zero.
Runner class: PingRunner
Command: /usr/bin/fping  -D -p 200 -c 350 -t 140000
Return code: -15
Stderr: /usr/bin/fping: warning: timeout (-t) value larger than period
(-p) produces unexpected results

WARNING: Command produced no valid data.

so no ping.

Anyway, after all that
apt-get install python3-matplotlib python3-pyqt5

aside from poking into what broke with fping, got me a working flent
on this release.

I think a "flent-gui" package would help the universe a little.

Lastly, many of my established servers now seem to have a non-writable
/dev/null for some reason.

I dunno, should I give up, switch to arch or back to debian?


Dave Täht
CTO, TekLibre, LLC
Tel: 1-831-205-9740

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