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File transfer between Linux and Apple iOS
by Jason White 25 Mar '14

25 Mar '14

What's the best way to transfer files (images, media files, etc.) between a Linux machine and an Apple iPad running iOS 7.1? It should preferably be achieveable from the shell and amenable to scripting. I've started looking at http://libimobiledevice.org/ and it appears there are utilities available from that project, but I'm yet to find a good howto and I don't know what other options are open and which protocols are available. Also, I would rather avoid taking any risks that might adversely affect the device.

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Ubuntu touch not "marginalising" carriers.
by noah.odonoghue＠gmail.com 24 Mar '14

24 Mar '14

At Melbourne mobile last night I participated in a Google Hangout with Ubuntu Phone product manager Richard Collins where he said some rather controversial things about Ubuntu Touch / Ubuntu Phone. Namely that it would succeed because it wouldn't "marginalise" the poor carriers out of customising their device and that access to the filesystem would be "up to the individual manufacturer". I'm curious to see if anyone has the same "what the hell" reaction I did to hear the Ubuntu brand and all it represents being pitched this way. Anyway, here's the link to the Google hangout - Interested to hear people's opinions. https://www.youtube.com/watch?v=90xcwK1sbQg - Noah

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Postscript clipping box, why a line when not stroked
by Mark Trickett 21 Mar '14

21 Mar '14

Hello All, I have a Postscript calendar program which I use to print out a calendar I can put up on a wall for planning purposes. From what I have seen, a clipping box should not "appear", but it does with the following code. For the interested, I can email the main calendar code as well, but not included here for brevity. There are two routines, callmonth and calendar defined prior in the one file. If you have other suggestions, I will read with interest, it is all a learning exercise, but with a practical useful result. --begin code-- % Set margins and working area /leftmargin 20 def /botmargin 20 def /pagewidth 555 def /pageheight 802 def newpath % box for clipping path leftmargin botmargin moveto 0 pageheight rlineto pagewidth 0 rlineto 0 pageheight neg rlineto closepath clip 1 1 12 { /callmonth exch def 0 1 1 { gsave pagewidth mul neg 0 translate 1.95 2 scale callmonth 2014 calendar gsave showpage grestore grestore } for } for --end code-- Regards, Mark Trickett

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Ubuntu 13.10 Saucy - Frequent X crashes and user switching keeps breaking
by Anthony Hogan 18 Mar '14

18 Mar '14

Hi folks, I upgraded about a month or two ago from Ubuntu 13.04 to 13.10. I run an Nvidia card with the binary drivers (tried both the release and the -updates version). I have two displays, one 1920x1200 and one 1280x1024. I don't use Unity - to me it makes sense possibly for touch devices, but as I prefer using a keyboard and mouse, it's not for me... so I'm currently running gnome-panel etc. My card's: 01:00.0 VGA compatible controller: NVIDIA Corporation G92 [GeForce GTS 250] (rev a2) I've found that after rebooting, sometimes after updates, user switching no longer works. I've found running this: sudo /usr/lib/lightdm/lightdm-set-defaults --show-manual-login true as documented here: http://askubuntu.com/questions/379485/problem-changing-users-in-ubuntu-13-10 ... seems to fix user switching, but I still keep getting xorg crashes ("An error has occurred in your system" or similar dialogs). Submitting reports comes up with nothing. Also, lightdm thinks my left display is my right display, and my right my left - yet once logged in as a user, all's right with the world? Am I right in thinking that Ubuntu have deliberately broken something to do with gnome and are trying to push me towards Unity? ... or do I need to blow away some config files somewhere and reset things to default? Thinking perhaps of switching to LXDE and/or back to Debian. Anthony

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Re: setxkbmap vs. offboard keyboards [was: Acer C720 review]
by Glenn McIntosh 16 Mar '14

16 Mar '14

On 14/03/14 18:41, Trent W. Buck wrote: > 1. Run setxkbmap -option ctrl:nocaps -option altwin:ctrl_win > I can't see an option in setxkbmap to say > "bloody well set this permanently?" There are the XKBOPTIONS in /etc/default/keyboard, but I'm guessing you don't want this remapping as a system wide default? Glenn -- sks-keyservers.net 0x6d656d65

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Re: Wifi weirdness
by stripes theotoky 16 Mar '14

16 Mar '14

Yes. Have tried the helpdesk already. There is no support for Linux whatsoever. On 15 March 2014 23:36, Noah O'Donoghue <noah.odonoghue(a)gmail.com> wrote: > I think you might have just replied to me and not the list. > > My suggestion would be to try the La Trobe helpdesk.. Even though the > settings are the same they may have some insight. > > > On 15 March 2014 09:38, stripes theotoky <stripes.theotoky(a)googlemail.com>wrote: > >> Dear All >> >> Sorry I have been away for a bit, work got in the way. Back to the >> problem. >> >> The computer network that is giving problems is Eduroam at La Trobe >> University. >> The computer that is giving problems is a Samsung N150 netbook. >> The operating system is a fully updated version of the latest LTS release >> of Ubuntu running Gnome >> >> The computer will connect perfectly happily to a 3Com router in staff >> accommodation so ultimately connecting to the university network and to >> 3Com, Billion and Netgear routers at friends places. The only other system >> it refuses to connect to is Skymesh at mother in laws. >> >> I have a Lenovo with the same version of Ubuntu on it also fully updated >> which connects just fine. So far as I can see the settings are the same on >> both boxes. >> >> WPA2 Enterprise >> Protected EAP >> CA Certificate none >> PEAP version automatic >> Inner authentication MSCHAPv2 >> >> Either I am overlooking something simple in the settings or there is some >> voodoo I really don't understand. >> >> Stripes. >> >> >> On 5 March 2014 12:19, Noah O'Donoghue <noah.odonoghue(a)gmail.com> wrote: >> >>> Could be many things.. >>> >>> For example some business wifi gear will deauth your client if you are >>> connected to 2.4ghz and it knows you support 5ghz, or if it wants you to >>> load balance to another AP.. And if your OS just gives up instead of trying >>> another nearby AP then that's too bad.. >>> >>> >>> On Tuesday, February 18, 2014, Davor Balder <dbalder(a)ozemail.com.au> >>> wrote: >>> >>>> I would look at bios on your linux machine. >>>> >>>> I had a similar problem and was carrying multiple laptops with me just >>>> because of this issue. Bios update eventually fixed the issue. >>>> >>>> If would be great to know what distro you are running and what laptop >>>> you are using. Perhaps there is a separate issue at hand... >>>> >>>> >>>> Davor >>>> >>>> >>>> On 18/02/14 09:30, stripes theotoky wrote: >>>> >>>> Does any have an idea why I can connect the the work Wifi with >>>> Windows and Ipad but Linux will not establish a connection. It seems to be >>>> perfectly normal with WPA2 encryption. >>>> >>>> I don't know where to look to solve this one there is nothing wrong >>>> with the Wifi on the computer it connects just fine at home or at friends. >>>> >>>> Stripes. >>>> >>>> >>>> _______________________________________________ >>>> luv-main mailing listluv-main@luv.asn.auhttp://lists.luv.asn.au/listinfo/luv-main >>>> >>>> >>>> >>> _______________________________________________ >>> luv-main mailing list >>> luv-main(a)luv.asn.au >>> http://lists.luv.asn.au/listinfo/luv-main >>> >>> >> >

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Re: Running Linux on Samsung's ARM Chromebook
by Tim Serong 14 Mar '14

14 Mar '14

On 19/02/14 12:00, toby(a)dryft.net wrote: > > Hi, > Samsung have had an ARM-based laptop for a while, sold as a Chromebook. > (ie. with an Android-like Linux kernel and the Chrome browser as the whole OS) > > The little ARM cpu means the laptop doesn't need much power and can > run for quite a while, despite being lightweight and cheap with a > small battery. > > I was wondering how it'd go running a full version of Linux; just > running a bunch of terminal emulators more of the time, and maybe > Chromium from time to time. > > I've heard of people managing to get Ubuntu or other linux variants > installed, but I wondered if anyone here has done it? Was it worth the > trouble? I've run openSUSE on mine as described here: http://en.opensuse.org/HCL:ARMChromebook There's an image you can put on an SD card, then with the Chomebook in developer mode[1], you boot off the SD card (have to hit CTRL-U at each boot to do this). This means you can have a play without trashing or otherwise repartitioning the SSD. Last time I tried this, *something* didn't work (might have been not waking from screensaver? I forget exactly), and I never got around to figuring out what it was. This may well have since been fixed. I ultimately ended up just running my Chromebook in regular ChromeOS mode, as I'm really only using the thing occasionally as a a slightly glorified web browser, and I got sick of it whining loudly at me on every boot about the possible doom associated with being in developer mode. HTH, Tim [1] http://www.chromium.org/chromium-os/developer-information-for-chrome-os-dev…

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unexpected tcp behaviour
by James Harper 10 Mar '14

10 Mar '14

I have an application under Linux that talks to a windows machine. Previously I'd assemble each packet into a big buffer and write it out, eg: write(sock, buffer, length); But a recent change meant I am now writing out the header separately, eg: write(sock, header, header_length); write(sock, buffer, length); The packets are sent separately, but it's TCP and the reassembled stream at the Windows end is identical, but the windows end now gives an error. I changed it to: send(sock, header, header_length, MSG_MORE); write(sock, buffer, length); And it works again (and is better for network efficiency reasons), but it was something I didn't expect and I wasted a bit of time comparing packet traces... Am I right in thinking that this is a bug in the windows application and that it does read() instead of recv(..., MSG_WAITALL) (or whatever the winsock equivalent is), and doesn't handle when the read is less than expected, or is there something I'm not getting? If it matters, the windows application is SQL Server Management Studio. My application translates between TDS and postgres. Thanks James

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mythtv and retune
by James Harper 07 Mar '14

07 Mar '14

Since the au retune I haven't been able to get mythtv to tune to channels 9 or 10 on boot. If I shut down mythtv and manually run a w_scan then restart mythtv it works (without touching anything in mythtv), so I'm guessing my card is failing to automatically detect one of the various dvb-t parameters that must have changed, but w_scan is figuring it out... Does anyone know exactly what the retune changed? All the frequencies appear to be the same... Thanks James

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Wifi weirdness
by stripes theotoky 05 Mar '14

05 Mar '14

Does any have an idea why I can connect the the work Wifi with Windows and Ipad but Linux will not establish a connection. It seems to be perfectly normal with WPA2 encryption. I don't know where to look to solve this one there is nothing wrong with the Wifi on the computer it connects just fine at home or at friends. Stripes.

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