Thanks a lot Jonathan and Jesper for your support. Regards, Ramith
-----Original Message----- From: Jonathan Rajotte-Julien [mailto:jonathan.rajotte-jul...@efficios.com] Sent: Monday, February 5, 2018 9:51 PM To: Jesper Derehag <jdere...@hotmail.com> Cc: Ramith Shetty <rshe...@infinera.com>; lttng-dev@lists.lttng.org Subject: Re: SV: [lttng-dev] lttng-relayd---->lttng-relayd communication CAUTION: This email originated from outside of the organization. Do not click links or open attachments unless you recognize the sender and know the content is safe. On Mon, Feb 05, 2018 at 04:02:13PM +0000, Jesper Derehag wrote: > Or netcat if you want to skip the encryption overhead. Good point! Also for a more permanent installation I think one could use IPtables. Unfortunately, I do not use IPtables enough to give advices on that end. Cheers > > /Jesper > > ________________________________________ > Från: lttng-dev <lttng-dev-boun...@lists.lttng.org> för Jonathan > Rajotte-Julien <jonathan.rajotte-jul...@efficios.com> > Skickat: den 3 februari 2018 19:11 > Till: Ramith Shetty > Kopia: lttng-dev@lists.lttng.org > Ämne: Re: [lttng-dev] lttng-relayd---->lttng-relayd communication > > Hi, > > On Sat, Feb 03, 2018 at 05:08:25AM +0000, Ramith Shetty wrote: > > > > If we have a setup as below. Can we stream the logs to host SystemA from > > TargetB below? > > > > Here TargetA and TargetB are part of a private network. Only TargetA has > > connectivity to SystemA. We need to stream data from TargetB to SystemA. > > > > [ TargetB----->TargetA ]------->[SystemA] > > This seems like a perfect match for ssh tunneling via TargetA. > > On System A: > Start lttng-relayd. > The default ports are as follow: > Control port: tcp://0.0.0.0:5342 > Data port: tcp://0.0.0.0:5343 > Live port: tcp://localhost:5344 > > On Target B: > Create a ssh tunnel via Target A: > ssh -nNT -L 9990:SystemA:5342 -L 9991:SystemA:5343 targetA > > Setup live session correctly: > lttng create --set-url net://localhost:9990:9991 --live > lttng ... > > At that point you should be able to attach locally a babeltrace to SystemA. > Note that the ssh tunnel needs to be up for everything to work. It > might require some adjustment depending on your network configuration etc. > > I tested it locally with 3 VMs and everything seems to work fine. > > Cheers > _______________________________________________ > lttng-dev mailing list > lttng-dev@lists.lttng.org > https://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev -- Jonathan Rajotte-Julien EfficiOS _______________________________________________ lttng-dev mailing list lttng-dev@lists.lttng.org https://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev
