Re: [gentoo-user] Headless question: Harvesting the results...software needed.
On Sat, 11 October 2014, at 3:10 pm, meino.cra...@gmx.de wrote: ... Two things need still to be investigated: How can I store GPSdata onto the flash in a way, that no additional data is stored if no movement is there. This should be pretty easy, but if you want help with it, you're going to need to give us some insight into how you're storing or accessing the GPS data at present. Having said that, I'm not convinced that this is necessary. I have a logfile here with 91,000 lines of text in it, and it's 9.9mb and bzips down to 369kb. 91,000 is close to 10 entries every minute for a week, and I'd guess that you'd find CSV formatted GPS data written as text to have about the same length and compressibility as a typical /var/log/messages entry. And I have to prevent, that a sector/block/organisation unit of the flash is written more than once to prevent ware out of the flash. Wear-levelling should be handled by the flash memory controller, and you shouldn't need to worry about it. Stroller.
Re: [gentoo-user] sys-apps/man-db depends to app-text/po4a
Le Sat, 11 Oct 2014 07:37:14 +0100, Stroller strol...@stellar.eclipse.co.uk a écrit : On Sat, 11 October 2014, at 7:17 am, hogren hog...@iiiha.com wrote: … Emerge try to compile sys-apps/man-db-2.6.6 and fails. When I watched the build log, I saw that in the compilation period, po4a is not found. I make an #emerge app-text/po4a, I tried again #emerge @preserved-rebuild. It's ok. Is it correct if I file a bug about that ? Yes, absolutely. Thank you for your service. Stroller. My bug [525034] is a duplicate of [41124] is an old bug. In fact, when we update perl, we need to recompile all perl modules. May be I did'nt see the message after the last perl emerge. The command to execute is perl-cleaner --allmodules. You must do this after each perl update. Thank you for your help. Regards, Hogren
Re: [gentoo-user] Handbook missing portage unpacking
On Sat, 11 October 2014, at 10:25 pm, Daniel Frey djqf...@gmail.com wrote: … From memory (a very sketchy memory, I might add, so check before doing it) the command was: $ tar xvjf portage-latest.tar.bz2 -C /usr/portage I'd have thought you'd download and unpack the portage-latest tarball using the emerge-webrsync command, and have no need to download or untar it manually. Stroller.
Re: [gentoo-user] Headless question: Harvesting the results...software needed.
Stroller strol...@stellar.eclipse.co.uk [14-10-12 09:28]: On Sat, 11 October 2014, at 3:10 pm, meino.cra...@gmx.de wrote: ... Two things need still to be investigated: How can I store GPSdata onto the flash in a way, that no additional data is stored if no movement is there. This should be pretty easy, but if you want help with it, you're going to need to give us some insight into how you're storing or accessing the GPS data at present. Having said that, I'm not convinced that this is necessary. I have a logfile here with 91,000 lines of text in it, and it's 9.9mb and bzips down to 369kb. 91,000 is close to 10 entries every minute for a week, and I'd guess that you'd find CSV formatted GPS data written as text to have about the same length and compressibility as a typical /var/log/messages entry. And I have to prevent, that a sector/block/organisation unit of the flash is written more than once to prevent ware out of the flash. Wear-levelling should be handled by the flash memory controller, and you shouldn't need to worry about it. Stroller. Hi Stroller, thank you for your input :) !! I am still a pure newbie to gps. This morning I discovered, that there a LOT of kinds of output of the different GPS devices...the output of mine looks /so standard/, that I thought it would be /THAT STANDARD/. ;) Ok ... the device I use is an Ultimate GPS by Adafruit Industries. The device is a GlobalTop-FGPMMOPA6C module with a MediaTek MT3339 chipset. The output are NMEA sentences (pure ASCII as it seems). The module is wired to UART01 on my embedded computer, so gpsd can read the data from /dev/ttyO1. Via gpsd it is possible to create json output from that (instead of NMEA). The module creates from 1 to 10 position reports per second. I want to make this speed depended (read: I have to write some code for it, if I dont find some...). If one choose 1 report/second it will send 5 position report and then 1 status report (current time for example). Since civil GPS modules have the feature to obfuscate the exact position up to some degree (otherwise I would build a weapon instead of tinkering with an embedded system...at least according to some external laws ;) I see problems in deciding, whether I am really moving or my position is moving due to less accuracy of the chipset. Currently the GPS antenna is clamped to my desktop lamp and I am nearly up to 100% sure that it is not moving at all...but gpsmon gives me a natural speed of 0.5km/h which is definitely too much for a warmth induced Brownian molecular motion... ;) Wear levelling should be handled by the flash memory controller... This should makes me a little nervous, Stroller... ;) Linux includes a filesystem called F2FS, which takes care of the wear levelling problem (as far as I know). This F2FS originates from SAMSUNG, one of the greater manufacturer of Flash memories of all kind. Why the effort, if the memory controller take care of it? Stroller, I DONT EXPLICETLY OR IMPLICITELY EXPRESS A I DONT BELIEVE YOU HERE...! It is just the difference between what manufacturer states (...should be handled...) and what mechanisms create more benefits for them. Best regards, mcc
[gentoo-user] F2FS with older kernel
Hi, for my embedded system I am currently still using Linux kernel 3.8.13. due to some missing features (platform related) of newer kernels. I want to give F2FS a try since the embedded system runs from a SDcard. The only thing I dont know is the maturity level of the implementation of F2FS in that kinda old kernel. It is marked as EXPERIMENTAL there...but this marker is removed very late in the development of filesystems in general... Should I ? I should I keep my hands off that beast? ;) Thank you very much in advance for any helpful hint! Best regards, mcc
Re: [gentoo-user] Headless question: Harvesting the results...software needed.
On Sun, 12 Oct 2014 08:24:46 +0100, Stroller wrote: And I have to prevent, that a sector/block/organisation unit of the flash is written more than once to prevent ware out of the flash. Wear-levelling should be handled by the flash memory controller, and you shouldn't need to worry about it. Also, good cards these days handle far more writes to the same location without failure. Stick to quality, branded cards and wear shouldn't be a problem. If you are still concerned, replace the card every year. -- Neil Bothwick Top Oxymorons Number 3: Working vacation signature.asc Description: PGP signature
Re: [gentoo-user] Re: has anyone tried KDE5?
Excerpts from Michael Palimaka's message of 2014-10-04 19:37:04 +0200: On 10/04/2014 11:26 PM, behrouz khosravi wrote: Hello everyone. I was wondering if anyone has tried KDE5? Do you know when it's going to be placed in the main tree? thanks Hi, The KDE release structure has evolved[1], decoupling the release cycle of the Platform, Workspace, and Applications. This means that there is no longer a single Software Compilation in the same way there was with KDE 4. We (Gentoo KDE team) have not yet made a decision as to when the Plasma 5 Workspace will be pushed to the main tree. I've been using it on a daily basis for about six months, and consider the next release (5.1.0) to be a good candidate for the main tree. The underlying Platform (KDE Frameworks 5) upon which Plasma 5 is built is expected in the main tree in about a week, after the 5.3.0 release. Best regards, Michael [1]: https://dot.kde.org/2013/09/04/kde-release-structure-evolves I'd love to try KDE 5. So far I've been able to install Frameworks from the KDE overlay. I then tried to install the workspace, but it seems that it can't coexist with kde 4 (I get blockers from several kde 4 packages when trying to install). Is this correct, or am I doing something wrong? I use paludis as package manager, so maybe it behaves differently from portage and this is the reason for the blockers. I remember that when KDE 4 was released I used to run the live version, rebuilding everything every day. It was a very pleasant experience being able to witness how the programs improved, day after day. But I could do that because I could have both KDE 4 and KDE 3 installed at the same time: those days when a program I needed broke horribly in the KDE 4 live version, I could go on working using the KDE 3 version. Currently, if indeed KDE 4 and KDE 5 workspace can't be installed at the same time, I'll have to wait before trying the latter. Stefano
[gentoo-user] Wrong timestamps over fish in midnight commander
Hello fellows Could someone please confirm an issue I’m having? When I connect to a remote ssh host in mc, it always shows the seconds of files’ mtime to be 0. That way, I can’t use mc to properly compare directories, because even if a file has the same timestamp on both sides, one side appears younger because the other’s seconds value is 0. To see seconds in the first place, I got rid of the “intelligent” date formatting and replaced it with the pure numerical facts in ~/.config/mc/ini: [Misc] ... timeformat_recent=%y-%m-%d %H:%M:%S timeformat_old=%y-%m-%d %H:%M:%S Perhaps someone of you already has an account in the mc bug tracker¹ and can report that. I’m delusionally paranoid (or at least lazy) and generally very hesitant to register on a website just for one single use. Cheers ¹ http://www.midnight-commander.org/report -- Gruß | Greetings | Qapla’ Please do not share anything from, with or about me with any Facebook service. “If wishes were horses we’d all be eating steak.” – Jayne, Firefly signature.asc Description: Digital signature
[gentoo-user] Re: has anyone tried KDE5?
On 10/12/2014 11:11 PM, Stefano Crocco wrote: Excerpts from Michael Palimaka's message of 2014-10-04 19:37:04 +0200: On 10/04/2014 11:26 PM, behrouz khosravi wrote: Hello everyone. I was wondering if anyone has tried KDE5? Do you know when it's going to be placed in the main tree? thanks Hi, The KDE release structure has evolved[1], decoupling the release cycle of the Platform, Workspace, and Applications. This means that there is no longer a single Software Compilation in the same way there was with KDE 4. We (Gentoo KDE team) have not yet made a decision as to when the Plasma 5 Workspace will be pushed to the main tree. I've been using it on a daily basis for about six months, and consider the next release (5.1.0) to be a good candidate for the main tree. The underlying Platform (KDE Frameworks 5) upon which Plasma 5 is built is expected in the main tree in about a week, after the 5.3.0 release. Best regards, Michael [1]: https://dot.kde.org/2013/09/04/kde-release-structure-evolves I'd love to try KDE 5. So far I've been able to install Frameworks from the KDE overlay. I then tried to install the workspace, but it seems that it can't coexist with kde 4 (I get blockers from several kde 4 packages when trying to install). Is this correct, or am I doing something wrong? I use paludis as package manager, so maybe it behaves differently from portage and this is the reason for the blockers. Unfortunately Plasma 5 and KDE 4 Workspaces cannot coexist. This is an upstream decision.
Re: [gentoo-user] Re: Python 3.4.1
On Sat, Oct 11, 2014 at 07:37:42PM -0400, Philip Webb wrote: 141011 James wrote: Philip Webb purslow at ca.inter.net writes: I've just installed python-3.4.1 alongside 2.7.7 3.2.5-r6 3.3.5-r1 . I've changed the lines in make.conf to USE_PYTHON=2.7 3.4 PYTHON_TARGETS=python2_7 python3_4 PYTHON_SINGLE_TARGET=python2_7 I use 'eselect python list' to see what options you have. Google found : http://www.odi.ch/weblog/posting.php?posting=674 , which suggests that, then 'eselect python set --python3 n', where n = 3 in my case ; I've done that. Then I'd poke around for any bug reports on python-3.4.* That promises to be time-consuming, but thanks so far. Anyone else have info or suggestions ? I noticed the same. I’m somewhat eager about python 3.4 because blender always wants the beedingest edgiest stuff around, and blender 2.7x requires python 3.4, which in turn even wants me to unmask python-exec 2.. Could this be profile induced? I do have PYTHON_TARGETS=python2_7 python3_3 python3_4 in make.conf, yet `emerge --info | grep TARGETS` still tells me PYTHON_TARGETS=python2_7 python3_3 -- Gruß | Greetings | Qapla’ Please do not share anything from, with or about me with any Facebook service. “I’m working on than.” -- Stephen Hawking (When visiting the set of the Starship Enterprise’s engine room) signature.asc Description: Digital signature
Re: [gentoo-user] Writing to tty01 (serial port) in simple straight forward way...?!?
On 12/10/2014 13:08, meino.cra...@gmx.de wrote: Hi, I want to send commands to ttyO1 (serial port on an embedded system). The commands are one line each and terminated with CRL/LF (aka DOS). Since this will be done from a batch script, it should be possible via commandline tools and non-interactively. The serial port is already setup up the right way. I tried echo -nblablabal\x0a\x0d Firstly, this command is missing the -e switch. Secondly, the order of the control characters is wrong. I would suggest the use of printf as it has fewer pitfalls. # printf '%s\r\n' command --Kerin
Re: [gentoo-user] Handbook missing portage unpacking
On 11/10/2014 21:13, James wrote: Hello, I was just following the handbook for an amd64 install; I have not looked at the handbook in a while. I downloaded the stage3 tarball and the portage-latest tarball at the same time, like I always have done. The handbook give instructions for untaring the stage3, in section 5, but not the portage tarball, or did I miss something? It specifies that emerge-webrsync be used, automating the process of fetching and extracting a portage tarball. --Kerin
Re: [gentoo-user] Re: Python 3.4.1
On Sun, Oct 12, 2014 at 11:26 AM, Frank Steinmetzger war...@gmx.de wrote: On Sat, Oct 11, 2014 at 07:37:42PM -0400, Philip Webb wrote: 141011 James wrote: Philip Webb purslow at ca.inter.net writes: I've just installed python-3.4.1 alongside 2.7.7 3.2.5-r6 3.3.5-r1 . I've changed the lines in make.conf to USE_PYTHON=2.7 3.4 PYTHON_TARGETS=python2_7 python3_4 PYTHON_SINGLE_TARGET=python2_7 I use 'eselect python list' to see what options you have. Google found : http://www.odi.ch/weblog/posting.php?posting=674 , which suggests that, then 'eselect python set --python3 n', where n = 3 in my case ; I've done that. Then I'd poke around for any bug reports on python-3.4.* That promises to be time-consuming, but thanks so far. Anyone else have info or suggestions ? I noticed the same. I’m somewhat eager about python 3.4 because blender always wants the beedingest edgiest stuff around, and blender 2.7x requires python 3.4, which in turn even wants me to unmask python-exec 2.. Could this be profile induced? I do have PYTHON_TARGETS=python2_7 python3_3 python3_4 in make.conf, yet `emerge --info | grep TARGETS` still tells me PYTHON_TARGETS=python2_7 python3_3 At the moment, the python_target_python3_4 use flag is stable-masked while the necessary packages are being stabilized. I know this is a bit confusing, but it should not break anything. You can continue using python3.3 for a while if you like. For reference, see the following. profiles/base/use.stable.mask https://bugs.gentoo.org/show_bug.cgi?id=522322 https://bugs.gentoo.org/show_bug.cgi?id=524416 Once the stablereq bugs are resolved, I will remove the entry from use.stable.mask. In the meantime, you can unmask the pytho3_4 flag locally by creating the following entries in /etc/portage. mkdir -p /etc/portage/profile echo 5 /etc/portage/profile/eapi echo -python_targets_python3_4 /etc/portage/profile/use.stable.mask
Re: [gentoo-user] Handbook missing portage unpacking
On Sun, Oct 12, 2014 at 11:43 AM, Kerin Millar kerfra...@fastmail.co.uk wrote: On 11/10/2014 21:13, James wrote: Hello, I was just following the handbook for an amd64 install; I have not looked at the handbook in a while. I downloaded the stage3 tarball and the portage-latest tarball at the same time, like I always have done. The handbook give instructions for untaring the stage3, in section 5, but not the portage tarball, or did I miss something? It specifies that emerge-webrsync be used, automating the process of fetching and extracting a portage tarball. Correct. This is much more efficient than rsync when you're starting from an empty tree, which was one of the reasons the old procedure used to recommend using a portage tarball. emerge-webrsync works well and is easier to use anyway. -- Rich
Re: [gentoo-user] Re: has anyone tried KDE5?
Excerpts from Michael Palimaka's message of 2014-10-12 17:20:20 +0200: I'd love to try KDE 5. So far I've been able to install Frameworks from the KDE overlay. I then tried to install the workspace, but it seems that it can't coexist with kde 4 (I get blockers from several kde 4 packages when trying to install). Is this correct, or am I doing something wrong? I use paludis as package manager, so maybe it behaves differently from portage and this is the reason for the blockers. Unfortunately Plasma 5 and KDE 4 Workspaces cannot coexist. This is an upstream decision. That's a pity. It seems I'll have to wait. Thanks for the information. Stefano
Re: [gentoo-user] Writing to tty01 (serial port) in simple straight forward way...?!?
On Sun, 12 Oct 2014 16:42:22 Kerin Millar wrote: On 12/10/2014 13:08, meino.cra...@gmx.de wrote: Hi, I want to send commands to ttyO1 (serial port on an embedded system). The commands are one line each and terminated with CRL/LF (aka DOS). Since this will be done from a batch script, it should be possible via commandline tools and non-interactively. The serial port is already setup up the right way. I tried echo -nblablabal\x0a\x0d Firstly, this command is missing the -e switch. Secondly, the order of the control characters is wrong. I would suggest the use of printf as it has fewer pitfalls. # printf '%s\r\n' command --Kerin Also, are you sure that the standard output of the script is connected to the serial port? Try adding /dev/tty01 to the end of the echo/printf command lines and see if that helps. -- Reverend Paul Colquhoun, ULC. http://andor.dropbear.id.au/ Asking for technical help in newsgroups? Read this first: http://catb.org/~esr/faqs/smart-questions.html#intro
Re: [gentoo-user] Writing to tty01 (serial port) in simple straight forward way...?!?
2014-10-12 19:22 GMT-03:00 Paul Colquhoun paul...@andor.dropbear.id.au: On Sun, 12 Oct 2014 16:42:22 Kerin Millar wrote: On 12/10/2014 13:08, meino.cra...@gmx.de wrote: Hi, I want to send commands to ttyO1 (serial port on an embedded system). The commands are one line each and terminated with CRL/LF (aka DOS). Since this will be done from a batch script, it should be possible via commandline tools and non-interactively. The serial port is already setup up the right way. I tried echo -nblablabal\x0a\x0d Firstly, this command is missing the -e switch. Secondly, the order of the control characters is wrong. I would suggest the use of printf as it has fewer pitfalls. # printf '%s\r\n' command --Kerin Also, are you sure that the standard output of the script is connected to the serial port? Try adding /dev/tty01 to the end of the echo/printf command lines and see if that helps. -- Reverend Paul Colquhoun, ULC. http://andor.dropbear.id.au/ Asking for technical help in newsgroups? Read this first: http://catb.org/~esr/faqs/smart-questions.html#intro Or, perhaps, /dev/ttyS0 , or even /dev/ttyUSB0, if it is connected through a USB to serial adapter. By using this approach, you might be able to send a command, but most probably (never tried) will not be able to receive the device's reply. Try minicom, a simple text serial console. Good luck Francisco
[gentoo-user] Re: Handbook missing portage unpacking
Rich Freeman rich0 at gentoo.org writes: Correct. This is much more efficient than rsync when you're starting from an empty tree, which was one of the reasons the old procedure used to recommend using a portage tarball. emerge-webrsync works well I'll have to try thiswebsync sometime. I always like toget distracted and look at experimental, hardened, lilblue and many other tarballs just out of curiousity thx to all that responded. It had been a while since I followed a handbook install. I wonder when btrfs will replace ext..(just kidding...) James
Re: [gentoo-user] Re: Handbook missing portage unpacking
On Sun, Oct 12, 2014 at 10:12 PM, James wirel...@tampabay.rr.com wrote: thx to all that responded. It had been a while since I followed a handbook install. I wonder when btrfs will replace ext..(just kidding...) Nothing prevents you from installing Gentoo on btrfs. It really isn't anything different from installing Gentoo on any other filesystem. I know at least a few of us run it. Or, if if you prefer zfs on linux the maintainer is a Gentoo dev... -- Rich
