/srv/irclogs.ubuntu.com/2015/06/05/#ubuntu-server.txt

Scott_SSee, I would think it was that, but netstat shows that master is listening on port 25 for both * and 0.0.0.0.00:00
Scott_SWhich leads me to believe it is actually listening to the port, but refusing the connection.00:00
sarnoldScott_S: ah! if it's actually listening than firewall inspection is the next best step I think00:00
trippehresidential ISPs doesnt like their users having spambots spewing spam :)00:00
Scott_Strippeh, Datacenter actually, but I did request port 25 traffic be permitted and they replied back stating that they had removed the restriction filter. I'll check with them again just to make sure.00:01
sarnoldScott_S: .. it might be denied by shaw ..00:01
Scott_Ssarnold, I'm able to connect to my other server properly, which is configured with Windows. It'd be ridiculous for Shaw to restrict *incoming* port 25 traffic.00:02
Scott_SOtherwise, well, no one would use IMAP.00:02
sarnoldScott_S: I meant, if you're trying to test from your home laptop, shaw might prevent you from connecting to port 25 on the way outbound, to reduce spam..00:03
trippehScott_S: "email clients" dont really use port 25 anymore. the client to relay traffic is SMTP on port 58700:04
trippehaka "submission"00:05
* trippeh sees if this systemd-networkd thing is working00:07
Scott_SInteresting. I'm curious why Postfix is set up to use port 25 by default.00:08
trippehTo recieve email from relays ;-)00:08
trippehrelay -> mx is still on 25.00:09
Scott_Strippeh, so IMAP uses port 587 for actually sending mail via TLS?00:09
trippehno. IMAP does not usually send email at all.00:09
Scott_SErm sorry, I meant for receiving mail. I know that smtp is for sending.00:10
Scott_SI think I may be screwing up my ports and services. I'll figure it out later.00:12
trippehIMAP uses different ports, none 2500:12
trippehand not really related to Postfix00:12
trippehyeah :)00:12
Scott_SShows how much I set up these things, I'm unable to send mail via SMTP, which is supposed to use port 25 (apparently).00:13
sarnoldScott_S: when debugging mail problems it's best to use the simplest tools ever: nc to specific hosts, on specific ports, and hand-type the smtp sending session..00:16
sarnoldScott_S: test from localhost, from inside the same DC, from outside the DC, etc..00:16
sarnoldif you're testing using full-blown  MTAs you'll drive yourself insane quickly.00:16
trippehok, networkd did bring up networking, thats something I guess :)00:22
trippehno idea how to make it set accept_ra=0 before link up hmmm00:23
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Scott_Ssarnold, If you're still here, I simply enabled SSL smtp, which appears to have fixed the issue as I now connect via 465. Port 25 worked from localhost, just not from external network.04:49
=== Lcawte|Away is now known as Lcawte
OpenTokixtrippeh: pre-up in /etc/network/interfaces08:05
OpenTokixtrippeh: or just set ipv6 to manual, or add it to /etc/sysctl.conf08:06
OpenTokixtrippeh: You want it to use dhcp6?08:06
DyonHi - I'm trying to setup an LDS for "managed" repository mirroring, can this only be accomlished with landscape-api and do I have to know all urls by head (e.g. MAAS repo, JuJu Repo, Cloud) or is there some magic command hidden somewhere? :-)08:59
lordievaderGood afternoon.10:23
trippehOpenTokix: that is for ifupdown, not systemd-networkd.10:53
trippehOpenTokix: anyway, ifupdown handles most of it without those kinds of hack10:54
trippehI'm just trying out the future ;)10:54
OpenTokixtrippeh: ok10:56
OpenTokixtrippeh: And the future does not include autoaccept_ra? =)10:56
trippehnot yet, *it seems*11:00
trippehgot it worked aroud in dbus for now11:00
OpenTokixtrippeh: What is your aversion for RA?11:03
OpenTokixtrippeh: I am curious that is11:03
trippehsometimes in server-land you want to do a fully static config, even for gateway, thats all11:07
OpenTokixtrippeh: ok11:08
trippehsay, your switch may not have the required RA filtering for it to be used securily11:09
OpenTokixyou mean you get some errornous ipv6-address?11:09
OpenTokixie. malconfigured network?11:09
trippehsay, a machine in the same VLAN gets owned, and starts announcing itself as gateway for MITM11:10
OpenTokixok11:10
OpenTokixyes, that would be a bad thing11:10
trippehsame problem with DHCP of course. good switches can snoop/filter it as well11:11
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giammy2290ho aperto qusta discussione nel forum di ubuntu http://forum.ubuntu-it.org/viewtopic.php?f=28&t=59824314:01
giammy2290qualcuno riesce a darmi una mano?14:01
giammy2290thx14:01
giammy2290?14:05
sgo11hi, is that possible to try ubuntu server before installing it? I boot the usb and don't see "try ubuntu" option. thanks.15:11
lordievadersgo11: Err, as Ubuntu Server doesn't have a gui I do not think that it is possible.15:12
sgo11lordievader, there are many linux distributions run in usb (live OS). why can't I run live ubuntu server? this is nothing about GUI from my point of view...15:13
lordievaderOh it is possible, just not with the installer that the Ubuntu Server iso comes with.15:13
sgo11lordievader, got it. thanks a lot. very sad.15:14
lordievadersgo11: You could basically take one of the live-cd's and boot with the 'text' kernel parameter....15:14
sgo11lordievader, ok. I am checking http://live.debian.net/15:16
zulsmb/hallyn: libvirt 1.2.16 is building in my ppa:zulcss/libvirt-testing ppa15:26
hallynzul: cool.  i'll make a note to test that in a bit15:35
jrwrensgo11: what do you want to do? anything the server distro can do, the desktop distro can do. You can try ubuntu server by running try on the desktop.15:41
sgo11jrwren, Just want to run a live server. I am downloading debian-live-8.0.0-amd64-standard.iso now. thanks.15:42
tewardsgo11: well, that's not a 'live server' either, that's a live image, it can *run* live but it's not a server15:43
sgo11teward, why is that not a server? so how can I run a proper live debian or ubuntu server? thanks.15:43
jrwrenuse the ubuntu live image and run?15:45
jrwrenhrm, to be honest, I don't know what a liver server is. I'll leave you to it.15:45
sgo11jrwren, a live server is just booting the server from usb and load it to ram and running from ram.15:46
sgo11for example, freenas.org15:47
sgo11based on freebsd.15:47
jrwrenhow is that different than live desktop?15:51
jpdssgo11: I think you'll be far off running it in a VM.15:54
sgo11jrwren, I am not an expert. I am not very sure. a server supposed to have less space, faster performance etc.. because I don't need any GUI libs and because I am not an expert, i just want to find some already optimized tuned system to use.15:55
DonRichiehi, what is the best software to monitor the services of a single machine?15:57
jpds!best | DonRichie15:57
sgo11jpds, I need the server to run in a physical machine. so I am not planning to use a VM. thanks.15:58
=== markthomas|away is now known as markthomas
jrwrensgo11: lordievader's suggestion of regular live cd and 'text' mode matches that. ubuntu-server is not 'tuned' any different than desktop. The difference is in default packages.15:58
jpdssgo11: In any case, you can't try Ubuntu Server like you can the desktop.15:58
jpdsDonRichie: Depends on your needs, most people need to use Nagios and friends.15:58
sgo11jrwren, jpds, OK. thanks. I will try the live debian image first. not sure what is in it. just complete my download.16:00
jrwrensgo11: what server software will you run?16:00
sgo11jrwren, samba, nfs, nginx, nodejs16:01
jrwrensgo11: cool. good luck. I'd be interested in reading about your experience16:05
sgo11jrwren, thanks a lot. :)16:05
marcaddeohey guys, i have a ubuntu server dvd and i'm at the screen that lets you decide what to do "Install ubuntu" "Test Memory" etc... im just trying to get into text mode so i can have a terminal and try and test a potentially broken hard drive and recover my zfs pool16:18
tonyyarussomarcaddeo: Second person today...no, the server DVD doesn't have a "live environment" option.  The desktop one does, or you could create something like it by installing to a flash drive.16:21
marcaddeotonyyarusso: i see. damnit. i tried the desktop one, but it doesn't boot because the server doesnt have real graphics16:23
tonyyarussomarcaddeo: I think there's a "dumb down the graphics" option somewhere.16:24
tonyyarussoOr a couple really16:25
tonyyarussoChange the graphics type, disable splash16:25
tarpmanserver installer should still have rescue mode16:26
tarpmannot sure if there's a menu entry for it -- if not, edit the command line, add 'rescue/enable=true' to the end (no quotes)16:27
marcaddeotarpman: how does rescue mode work though, it goes into a command line gui screen to start doing stuff... i just would like to get into a terminal so i can run SMART and what-not16:50
tarpmanmarcaddeo: follow the prompts, eventually you will have the option of mounting your existing system and getting a shell in it, or just getting a shell in the installer environment16:51
tarpmanmarcaddeo: if you need more features (e.g. ability to install packages with apt-get) you might have better results booting a desktop dvd in text mode (add 'text' to the end of the boot command line), like tonyyarusso suggested16:52
marcaddeotarpman: thats what im trying to do, desktop text mode but i can't get it to work17:05
marcaddeomy kvm keeps complaining about the resolution17:05
tarpmanmarcaddeo: ok, boot with 'text nomodeset'17:05
marcaddeoi've tried removing quiet splash, and adding -- vga=770 text17:05
marcaddeookay17:05
marcaddeotarpman: should i remove the quiet splash?17:07
tarpmanmarcaddeo: up to you. nomodeset forces splash to be disabled iirc. removing quiet just means you see more kernel messages17:08
marcaddeoalso: the docs say it should be like quiet splash -- (boot options here)17:08
marcaddeobut when im editing it, it's actuall quiet splash ---17:08
marcaddeonote the third -17:08
marcaddeoshould there be three?17:08
tarpmanyes, with newer kernels it's ---17:08
marcaddeoah i see17:08
tarpmanjust to check, which ubuntu version is your dvd? 14.04.2?17:09
marcaddeo15.06 i think17:09
tarpmanah17:09
ObrienDave15.04 ;p17:09
marcaddeowhateer :p17:09
tarpman'text' doesn't work with 15.04 -- use 'systemd.unit=multi-user.target' instead17:09
* tarpman really should file a bug about that17:09
marcaddeoah!17:09
marcaddeoyou may have jsut made my day much better lol17:09
marcaddeotarpman: is nomodeset still going to work?17:14
tarpmanmarcaddeo: yes17:14
tarpmanmarcaddeo: I'm not sure how that interacts with the --- ... if it's still giving you grief, I'd try dropping those17:15
marcaddeoit worked! thank you tarpman17:18
tarpman:)17:27
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=== markthomas|away is now known as markthomas
hallynzul: feh, lots of failures in qrt with libvirt 1.2.16.  they look familiar, though23:01
hallynsomething to look at next methinks23:01
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=== Lcawte is now known as Lcawte|Away

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