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Wednesday, January 25, 2017

#ubuntu channel featuring jhutchins_wk, memoryleak, tomreyn, xRob_, fishcooker, troy1, and 8 others.

fishcooker 2017-01-25 10:47:02
should we trust this http://releases.ubuntu.com/14.04/ubuntu-14.04.5-server-amd64.iso.torrent download... because i can't find the match md5sum /sha1sum for this image?
OerHeks 2017-01-25 10:48:13
fishcooker, the md5sums are in that same folder http://releases.ubuntu.com/14.04/MD5SUMS
jhutchins_wk 2017-01-25 10:48:55
xRob_: You set the printer up using the configuration menu or cups.
fishcooker 2017-01-25 10:49:42
OerHeks: i use alternate download one from bit torrent
stormmore 2017-01-25 10:49:42
awesome thanks k1l_
xRob_ 2017-01-25 10:49:47
jhutchins_wk: ahh I see, ty
stormmore 2017-01-25 10:50:00
but of course noone is in there :-/
OerHeks 2017-01-25 10:50:01
fishcooker, that does not give different checksums.
fishcooker 2017-01-25 10:50:20
it looks like official bittorrent download
fishcooker 2017-01-25 10:50:31
yes it is diff
fishcooker 2017-01-25 10:50:49
the name iso image also
fishcooker 2017-01-25 10:53:01
$ sha1sum ubuntu-14.04.5-server-amd64.iso
fishcooker 2017-01-25 10:53:02
5e567024c385cc8f90c83d6763c6e4f1cd5deb6f ubuntu-14.04.5-server-amd64.iso
fishcooker 2017-01-25 10:53:16
$ md5sum ubuntu-14.04.5-server-amd64.iso
fishcooker 2017-01-25 10:53:17
dd54dc8cfc2a655053d19813c2f9aa9f ubuntu-14.04.5-server-amd64.iso
OerHeks 2017-01-25 10:53:36
bittorrent <> torrent .. dd54dc8cfc2a655053d19813c2f9aa9f *ubuntu-14.04.5-server-amd64.iso .. looks perfectly oke
k1l_ 2017-01-25 10:53:51
!md5sums
ubottu 2017-01-25 10:53:52
See https://help.ubuntu.com/community/UbuntuHashes for the md5sums of Ubuntu discs.
k1l_ 2017-01-25 10:54:33
fishcooker: the isos do have the same hashes no matter how you load them.
OerHeks 2017-01-25 10:54:34
sha1sum 5e567024c385cc8f90c83d6763c6e4f1cd5deb6f *ubuntu-14.04.5-server-amd64.iso also oke
k1l_ 2017-01-25 10:54:46
fishcooker: look here: http://releases.ubuntu.com/14.04.5/MD5SUMS
deus402 2017-01-25 10:56:57
anyone else have any ideas where to start looking at my ethernet connectivity issues?
fishcooker 2017-01-25 10:57:18
http://cdimage.ubuntu.com/ubuntu/releases/14.04.5/release/SHA1SUMS and http://cdimage.ubuntu.com/ubuntu/releases/14.04.5/release/MD5SUMS
fishcooker 2017-01-25 10:57:36
thanks OerHeks k1l_ for pointing
OerHeks 2017-01-25 10:57:48
fishcooker, have fun
tomreyn 2017-01-25 11:00:03
deus402: start by telling us how you know it does not work as expected, how it would work as expected, what you have tried to make it work as expected.
memoryleak 2017-01-25 11:06:06
Is there a way to automatically create an image of /dev/sda (mounted as /) to antother disk on shutdown? I'm imagining something like when I use the shutdown button that it shuts down to a minimal state and mounts the root filesystem ro in order to image the disk and to store it on another one
ttmx 2017-01-25 11:07:43
Hey!
ttmx 2017-01-25 11:08:17
How hard is it to make myself a temporary website that would boot off a live usb?
elisa__ 2017-01-25 11:08:42
eliusa
elisa__ 2017-01-25 11:08:53
elisa
OerHeks 2017-01-25 11:09:12
memoryleak, see http://askubuntu.com/questions/83473/how-to-execute-script-on-shutdown or http://ccm.net/faq/3348-execute-a-script-at-startup-and-shutdown-on-ubuntu
deus402 2017-01-25 11:09:28
tomreyn:
tomreyn 2017-01-25 11:10:02
is present, but lacks info
deus402 2017-01-25 11:10:06
tomreyn: so i have been having problems with randomly losing my ethernet connection, and i have finally caught it in the act, but i also don't necessarily see anything of note in my log files. i lost connection at exactly 14:36:06, here is my syslog: http://termbin.com/hkt4 and here is my kern.log: http://termbin.com/ecck at about 14:50 i clicked on the connection in the menu bar, which brings
deus402 2017-01-25 11:10:06
it back for some reason, which you can see happen in the kern.log at 14:49:31. can anyone shine any light on what is going on? seems to happen randomly without reason.
OerHeks 2017-01-25 11:10:28
ttmx, that would require LAMP installed, unlikely to do that on a live iso, unless you are willing to remaster
ttmx 2017-01-25 11:10:28
What would be the best VM to run ubuntu in?
ttmx 2017-01-25 11:10:48
And could I get that ubuntu system moved to a live usb?
ttmx 2017-01-25 11:10:56
remaster?
ttmx 2017-01-25 11:11:11
*cringes at his own questions*
deus402 2017-01-25 11:11:28
when i lose connection, i completely lose the ethernet connection. I cannot ping the box by ip. it can either be fixed by locally clicking on the connection in network manager (?) in the taskbar, or by rebooting the router that it is connected too.
OerHeks 2017-01-25 11:12:11
ttmx, best VM? KVM i suppose. moving an installed system to live usb? no.
ttmx 2017-01-25 11:13:29
Awn :(
ttmx 2017-01-25 11:13:32
No way?
ttmx 2017-01-25 11:13:35
Impossibruh?
ttmx 2017-01-25 11:13:58
So I cannot work on it on a vm and then boot it on another pc "natively"?
OerHeks 2017-01-25 11:15:36
ttmx, again no, any VM uses special drivers for display and such.
memoryleak 2017-01-25 11:15:53
OerHeks, thanks that helps. Just last question, what would be the best runlevel to remount / as readonly, I'm assuming runlevel1?
deus402 2017-01-25 11:16:49
tomreyn: anywhere else i should be looking? or any other info i can provide?
OerHeks 2017-01-25 11:17:20
memoryleak, runlevel1 i guess too, single user.
tomreyn 2017-01-25 11:17:26
deus402: maybe "dmesg -T", if you haven't rebooted since
deus402 2017-01-25 11:18:29
tomreyn: i have now rebooted since, but i did check dmesg after the event and there was nothing logged.
ttmx 2017-01-25 11:18:40
Can I run a server inside a VM and have people in the same network connect to it?
tomreyn 2017-01-25 11:18:55
deus402: the line "Jan 25 14:36:06 ubuntu whoopsie[1234]: [14:36:06] Cannot reach: https://daisy.ubuntu.com" suggests that some process crashed and the bug reporting utility tried to upload infomration about this crash, maybe if you can identify the crashing process you can identify what causes the network connection to fail.
tomreyn 2017-01-25 11:20:14
deus402: okay without loigs it can be more diffivult. maybe you have something left in /var/crash/ ?
deus402 2017-01-25 11:20:15
i like it. any idea where to start looking for that? does whoopsie have a log somewhere?
jnewt 2017-01-25 11:20:19
i lost my top and bottom bars on my desktop. using ubuntu-mate
tomreyn 2017-01-25 11:21:06
deus402: i'm afraid i dont know where it logs to. well, syslog apparently, based on that1 line, which is not telling.
deus402 2017-01-25 11:21:15
http://termbin.com/yn7u
deus402 2017-01-25 11:21:24
^ /var/crash
deus402 2017-01-25 11:22:12
the onling thing i see around the relevent time is compiz, but that was after the reboot.
deus402 2017-01-25 11:22:18
wow.
deus402 2017-01-25 11:22:26
*the only thing i see
troy1 2017-01-25 11:24:54
Im getting super annoyed with permission issues of an external hard drive
troy1 2017-01-25 11:25:04
its ext 4 and i want all users to read and write
tomreyn 2017-01-25 11:25:31
deus402: right, those are not relevant for this issue. in kern.log you have "Jan 25 13:36:05 ubuntu NetworkManager[1199]: [1485372965.9311] dhcp4 (eth3): state changed bound -> bound", which is, in contrary to previous occasions, not followed up by dhcp client configurations
k1l_ 2017-01-25 11:25:36
troy1: how is it mounted? with gvfs or manually?
troy1 2017-01-25 11:25:55
manually /etc/fstab i have it mounted to /media/external
tomreyn 2017-01-25 11:26:21
deus402: this may indicate that your dhcp server 'forgot' to provide those configurations as part of the dhcp ack. or they were lost on the wire. or they wer elost by your dhcp client.
tomreyn 2017-01-25 11:27:16
deus402: so you seem to have multiple NICs. if they're not all in use, then try to switch to a different one and see whether that solves the issue. also, try a different wire if you haven't. and correlate your routers' logs.
troy1 2017-01-25 11:27:17
k1l_: this is my fstab http://paste.ubuntu.com/23866074/
k1l_ 2017-01-25 11:27:25
troy1: what are the permissions and owner of /media/external ?
deus402 2017-01-25 11:27:52
i only have the one nic, not sure why it shows up as eth3
deus402 2017-01-25 11:28:21
already switched from cat5e to new cat6 cable, and switched ports on the router as well, just for fun.
troy1 2017-01-25 11:28:31
it keeds changing which is annoying. permission not sure how to tell but i did set it 777. owner is qtuser.
deus402 2017-01-25 11:29:00
it does seem to happen more often when under heavy network traffic to the server, but it also occaisonally happens while it's just idling.
k1l_ 2017-01-25 11:29:27
troy1: ls -al /media/
troy1 2017-01-25 11:30:37
drwxrwxrwx 12 qtuser colord 4096 Jan 25 17:29 external
jnewt 2017-01-25 11:30:58
how do i get missing top and bottom bars back on ubuntu-mate (disappeared after updating software and driver and then rebooting). Mouse was missing, now it's back but the bars are gone (along with clock, menus, etc)
k1l_ 2017-01-25 11:31:43
troy1: you can add "umask=000" as mount option in fstab
tomreyn 2017-01-25 11:31:49
deus402: have you tried static adressing?
deus402 2017-01-25 11:32:31
tomreyn, and by high traffic i mean i hit ~3300 time_wait connections under load. also, i see that the lease time dhcp lease time was set to 1 hour, which seems really low to me, but it was also looking for a new lease about every 30 minutes.
deus402 2017-01-25 11:33:00
it seems like a logical thing to try. i'll see if i can remotely lock myself out, heh.
troy1 2017-01-25 11:33:56
k1l_: so right next to auto,user,umask=000
troy1 2017-01-25 11:34:16
k1l_: and what's that suppose to do?
k1l_ 2017-01-25 11:34:34
yes
tomreyn 2017-01-25 11:34:59
deus402: 's part of the specification that the dhcp client requests a new lease after $lease_time / 2.
tomreyn 2017-01-25 11:35:07
*it's
deus402 2017-01-25 11:35:11
gotcha
deus402 2017-01-25 11:36:16
set the ip statically, but am i correct in assuming that an hour lease is asininely low?
tomreyn 2017-01-25 11:36:40
if 1h is too low, maybe reconfigure it on the router. normally 1h is fine, though, and they may have set it to that globally since it does make sense for wireless routers.
jnewt 2017-01-25 11:37:42
is there a way to rollback the last set of software updates?
tomreyn 2017-01-25 11:39:34
deus402: you could also run an iperf between two LAN hosts and see whether it helps you reproduce the issue, which can then make debugging easier. you could then take a packet dump for a short time and reproduce it again, which may help further diagnosing the issue.
tomreyn 2017-01-25 11:40:33
jnewt: not really / not easily. you can downgrade packages but it's not recommended or easily done (when it comes to resolving dependencies).
tomreyn 2017-01-25 11:40:46
jnewt: why would you need to, though?
jnewt 2017-01-25 11:41:41
tomreyn: did the set of recommended updates (on ubuntu-mate), and now i've lost my menu bars and mate-panel --reset (the only fix i could find), just kicks the desktop Home icon up and down by a bit.
jnewt 2017-01-25 11:44:48
i'm on 16.04.1 LTS