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PostScript printer problems - Fedora 21
by Terry Duell 04 Jul '15

04 Jul '15

Hello All, I have a Kyocera FS-1200 PS printer, which has been excellent for donkey's years. For a while now, can't be sure how long, maybe a year or so...the printer isn't used very much, the printer sometimes throws errors. I have spent the last couple of days trying to track down what is going on. When printing some pdf files from 'Document Viewer' in Fedora, and most pdf sent from a Win7 laptop (the printer is networked) it throws an error "ERROR: rangecheck OFFENDING COMMAND: filter STACK 120585 --nostringval--..." Pdf files that fail to print, from either Fedora Document Viewer or Win7, can be printed without error from Fedora via Xpdf. All test pages sent from the printer-config on Fedora throw the same error, the stack number varies. I have looked at the on board printer setup, and fiddled with the emulation (it can use PCL 6, KPDL 2 and others). Changes to emulation have no effect, and it always reverts to KPDL. Fedora printer-config provides a number of printer drivers for this device, and I have had it set to the recommended, and tried a few others...nothing seems to change the behaviour. Anyone have any thoughts on this? PS I did post a question on Linux Questions a few days ago but had no response, so thought it OK to ask here. Cheers, -- Regards, Terry Duell

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car dvr players with GPS
by Brian May 02 Jul '15

02 Jul '15

Hello, Just curious if there is anything like this software for Linux, that will play back not only the video, but show recorded GPS data too? http://www.registratorviewer.com/index_en.html As far as I can tell, maybe not. Or at least Google isn't telling me anything. However just wondering. Thanks

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Host denied: sshd from 43.255.189.72(unknown)-43.255.189.72
by Jobst Schmalenbach 01 Jul '15

01 Jul '15

Hi This is a strange problem as it is on a machine behind a DMZ and "chained" FIREWALL (CentOS). I have a "/etc/hosts.deny" that has following line: ALL : ALL : spawn ( /usr/sbin/safe_finger -l @%h | /usr/bin/Mail -s "THE_HOSTNAME\: Host denied\: %d from %c(%u)-%h" some(a)domain.com) & which delivers following email every random minutes: THE_HOSTNAME: Host denied: sshd from 43.255.189.72(unknown)-43.255.189.72 Normally it would not bother me, but the fact this machine is behind a DMZ and a FIREWALL makes this "interesting". I, too, know the machine (and network) in question are quite wellknown ;-) Now the thing is that "hosts.deny" sits before I can see the traffic with tcpdump/ngrep/iptraf, so this makes it a little harder to debug. This is what I know: - only I have shell access (passwd file is full of /bin/false and /bin/nologin) and it's ONLY via keys. - rkhunter, chkrootkit and so on have no warnings - the machines sendmail has clamav attached - external firewall disallows access to that machine (only from internal network) - external firewall blocks the entire network of 43.0.0.0/24 - the machine is my Samba Server - the machine is fully up to date and rebooted - it is my webdevelopment server for some domains - it has some internal webserver tasks - I have turned off ALL internal devices that could be hacked (nas drives, wifi, etc) - the messages come up even if NO workstation is on - external ssh is firewalled I have tried all the standard utils (tcpump,lsof,fuser,netstat and so on) but this one has me baffled. Any ideas anyone? Jobst -- Howard's conjecture: The total dinner check of a party eating dutch will never equal the total of what each diner admits to having eaten. | |0| | Jobst Schmalenbach, jobst(a)barrett.com.au, General Manager | | |0| Barrett Consulting Group P/L & The Meditation Room P/L |0|0|0| +61 3 9532 7677, POBox 277, Caulfield South, 3162, Australia

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ssh errors from cron jobs
by Russell Coker 30 Jun '15

30 Jun '15

Error1: ssh_exchange_identification: Connection closed by remote host Error2: ssh_exchange_identification: Connection closed by remote host rsync: connection unexpectedly closed (0 bytes received so far) [Receiver] rsync error: unexplained error (code 255) at io.c(605) [Receiver=3.0.9] I'm getting lots of errors like the above from cron jobs in situtions where running the same script from an interactive session works. The first error is from a cron job that rsync's files to a server and the second error is from rsyncing files from the server via ssh. On one of my systems I've seen a pair of cron jobs fail with that error every half hour for the past 4 hours but when I run both jobs from an interactive session they work every time. What can be different about the operation of ssh in this regard? It's a passwordless login with RSA key so there's no reason for it to need user input and in any case the error message doesn't indicate that as being a problem. I've compared the cron environment with the environment from the interactive session and apart from /bin/sh (DASH on Debian) vs /bin/bash I can't see anything of note. Any ideas? -- My Main Blog http://etbe.coker.com.au/ My Documents Blog http://doc.coker.com.au/

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problems in a net upgrade to Debian 8.1
by zlinw＠mcmedia.com.au 26 Jun '15

26 Jun '15

One of my systems has had Debian 7.x (AMD64) installed from 3 DVD's and subsequently it has been upgraded over the internet to testing a number of times. The last of these upgrades was sometime back (6 months or so). This was upgraded to 8.1 yesterday. Unfortunately its left the package system in a poor state. Note, previous experience doing this shows Debian's package system does not like this combination (install from cd/dvd and update via the internet) to go beyond the next version number. Aptitude wants to remove a large number of packages like blender, gimp, exiv2, the list going on and on. dselect how ever is much more on the ball, it only wanting to remove imagemagik and graphicsmagik. Apt does not appear to know what its doing, for instance it wishs to remove blender for 2 unmet dependencies. Curiously dselect, dpkg AND looking in the /var/lib/dpkg/info directory shows these dependcies ARE on the system. It's distinctly possible apt is not getting on well with a system thats been instaled from DVD's. I have suffered from similar package system corruption from this cause in the past. The problem being as almost (iff not all) debian developers use a net install and upgrade the CD/DVD install does not get tested very well. Its generally possible to resolve a situation like this with dpkg, it does require though much mucking around. Note: Both the apt package lists and the dpkg package lists have been updated, experience that these being out of sync can cause weird problems. Anyone have any ideas, it looks as though I may have to install 8.1 from scratch, something I am NOT really looking forward to due to what packages I like to select, package selection taking forever. Lindsay

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Re: problems in a net upgrade to Debian 8.1
by zlinw＠mcmedia.com.au 25 Jun '15

25 Jun '15

On Sat, 20 Jun 2015 10:45:16 Chris Samuel said, > On Sat, 20 Jun 2015 10:25:15 AM zlinw(a)mcmedia.com.au wrote: >> I am NOT dreamming this up, I did an apt-get update followed by an apt >> dist-upgrade to check this out,and the val/lib/dpkg/availibilty file was >> not touched >My wild guess is that you're looking at the atime of the file, and if your >kernel has relatime set (which has been the default for a while) then that >won't get updated if the file hasn't been modified since the last time >anything accessed it (unless it's a day or more since the last access, when >it will get updated). I am going to stick to my guns here, in this case when dselect update was done the availibilty files creation time was set to 0810, the time the file was writen to. Apt-get update, and apt dist-upgrade was done at 1010 the availibilty files creation time stayed at 0810, also its size did _Not_ change. This would seem to indicate the file was not writen to. I checked this again just now, apt-get update does not write to this file, where as dselect update does. Doing an strace on apt-get update shows it writes to files in the /var/lib/apt/lists directory and to the /var/lib/dpkg/status file but it does __not__ write to the availibilty file. So on my systems apt and dselect do have a different idea of what is availible. Lindsay

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Call for Papers for linux.conf.au 2016 in Geelong now open!
by Donna Benjamin 24 Jun '15

24 Jun '15

linux.conf.au 2016 Geelong, Australia - LCA By the Bay are delighted to announce #CfP is now open We're delighted to announce that the Call for Presentations for the conference, to be held 1st-5th February at Deakin University's Waterfront Campus, are now open. CfP will remain open until 6th July. linux.conf.au/cfp ----------------- Given the recent advances in wearable technology, embedded platforms, and fruitful marriages between open design and technology, open source software and hardware is delivering a number of tangible and intangible benefits for our daily lives. Life is better with Linux. -------------------------- And that’s exactly what our conference theme is. linux.conf.au 2016 will focus on how Linux and open source technologies are improving lives - through humanitarian projects, wearables that give us greater control and choice over our health and habits, and which enrich our lives through protecting our privacy and our ‘digital health’. ** What types of presentations are being sought?** -------------------------------------------------- * Presentations - the standard, time-tested format for most of linux.conf.au. A sage on the stage presents interesting and hopefully informative and engaging content, with time for questions. Around 45 mins total. * Tutorials - double slots with a defined syllabus, where delegates walk out with a key skill or ability. Some prep work is usually required. * Prototypes - we’d like to do something different this year and introduce 45 minute sessions called ‘Prototypes’ - where Makers, Hackers, and Voiders are able to show and tell what they’ve made. It could be a hardware prototype, a software prototype, or a ‘wetware’ prototype - where technology is interacting with the biomedical field for things like implantable NFC chips. ** What presentation topics are welcomed? ** -------------------------------------------- We’re still expecting to have our time-honoured classic talks - the state of the Linux Kernel, advancements in architecture, storage, file systems and utilities. But we’d also like to see lots of talks from people who use Linux and F/LOSS to make our lives better. To make better people. And a better humanity. How do we develop for wearables and implantables? How do you do unit tests for an implantable wetware device? What happens when we see the first IoT murder? And who owns our data from wearable devices - us, or our insurance companies? Linux is now embedded in a raft of wearable, tiny devices - which present challenges and opportunities to be met and maximised. These are the stories we would like to hear. ** What about Miniconfs? ** --------------------------- Miniconference proposals are also now welcome. Miniconf #CfP will close on 6th July. See https://linux.conf.au/programme/miniconfs for more details ** How do I submit to the #CfP? ** ---------------------------------- 1. Go to http://linux.conf.au 2. Create an account 3. Confirm your email address 4. On the conference website, log in and choose 'Submit a Proposal' from the left hand menu 5. Fill out the required information - remember, the more info you provide, the better informed Papers Committee will be. ** How do I stay in touch? ** ----------------------------- Potential Delegates and Speakers are encouraged to remain up to date with conference news through the following channels; Website: https://linux.conf.au Twitter: @linuxconfau, hashtag #lca2016 Facebook: https://www.facebook.com/lcabythebay Google+: https://www.google.com/+LcabythebayOrgAu Lanyrd: http://lanyrd.com/2016/linuxconfau/ IRC: #linux.conf.au on freenode.net Email: info(a)lcabythebay.org.au Announce mailing list: http://lists.linux.org.au/mailman/listinfo/lca-announce We warmly encourage you to forward this announcement to technical communities you may be involved in.

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Antispam - 2015 edition
by Jason White 23 Jun '15

23 Jun '15

Greetings to all on the list. I'm using CRM114 to filter all of the mail that passes the restrictions defined in my Postfix configuration. Some spam still finds its way through. These days, I'm relying extensively on Dovecot IMAP to enable retrieval of mail by multiple devices (two laptops, a phone, and a tablet that could receive mail but hasn't been configured to do so yet). What's the best way to set up automatic retraining of messages on the server Several options come to mind, including incron, a systemd timer unit, a cron job. The desired effect is: Everything that is moved into the spam folder from elsewhere is classified as spam. Everything moved out of the spam folder is retrained as good. Suggestions?

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Re: [luv-beginners] linux noob - install problems, installfests?
by Wen Lin 22 Jun '15

22 Jun '15

Hi Justin, Are you able to bring just your desktop to our Linux Beginners Workshop this coming Sat 20 June? The address is: VPAC 110 Victoria St, Carlton South VIC 3053. Quite a number of us will be there, and can have a closer look at your SSD and troubleshooting. Would like to help. Wen On Jun 14, 2015 11:10 PM, "Justin Fisher" <justinlewisfisher(a)gmail.com> wrote: > Hi Wen, > > I'm still no further along with this install. I have tried again today > with the KXstudio live disc, and for whatever reason the ssd is now no > longer being recognized from the live disc and from Win7. The instructions > listed in the links you sent I had pretty much already followed as I had > used this guide > http://www.linuxbsdos.com/2012/07/23/dual-boot-ubuntu-12-04-and-windows-7-o… > . I checked my bios and made sure i selected ahci where it was applicable > but this did not fix anything. I have to say i am out of ideas (and > motivation) here and will need some help if you are able to spare some > time. Many thanks. > > Justin > > On Tue, Jun 9, 2015 at 10:49 AM, Trent W. Buck <trentbuck(a)gmail.com> > wrote: > >> Wen Lin wrote: >> > One key point: *BIOS and UEFI: set it to AHCI* >> >> Unless you're dual-booting, *always* set your SATA controllers to AHCI. >> The options "legacy", "hybrid" and "PATA" are worse choices for Linux. >> >> Erratum: current hardware seems to add NVMe, which appears to be better? >> https://en.wikipedia.org/wiki/NVMe_vs_AHCI >> >> > using the parameter 'noatime'. >> >> The default should be relatime (check /proc/mounts), >> which should be near enough. >> >> Changing it to noatime will break a handful of programs, >> but you probably don't use them anyway. >> > >

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Re: problems in a net upgrade to Debian 8.1
by zlinw＠mcmedia.com.au 20 Jun '15

20 Jun '15

On Sat, 20 Jun 2015 10:02:05 Craig Sanders said, On Sat, Jun 20, 2015 at 09:34:43AM +1000, zlinw(a)mcmedia.com.au wrote: >> Further to my previous post, >> >> As far as I can find out dselect and dpkg use /var/lib/dpkg/available >> for there package list but apt uses the various files in......... >> >> /var/lib/apt/lists >wrong. I am NOT dreamming this up, I did an apt-get update followed by an apt dist-upgrade to check this out,and the val/lib/dpkg/availibilty file was not touched, where apt is getting its info from on my system I do not know but its ____not____ from the /var/lib/dpkg/available file. Its possible a full dvd install sets up some different system, I do not know. Lindsay

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