Sounds like you want IMA+EVM, specifically IMA-appraisal. I've no
experience with that in practice.
https://sourceforge.net/p/linux-ima/wiki/Home/#ima-appraisal
https://events.linuxfoundation.org/wp-content/uploads/2017/12/LSS2018-EU-LinuxIntegrityOverview_Mimi-Zohar.pdf
As I mentioned before,
a real security professional (e.g., not me), because there are probably
other concerns you and me are not even considering now.
On 17/01/2019 11:26, Elazar Leibovich wrote:
What you probably want, is something similar to Windows VBS HVCI,
which is usually achieved via underlying hypervisor
What you probably want, is something similar to Windows VBS HVCI, which
is usually achieved via underlying hypervisor.
It forces you to pass the security boundary of the hypervisor, even if
security boundary between user/kernel is bypassed.
Have a look at Bromium or QubeOS for a full
Oracle is building its own cloud, OCI, with Ravello's cloud is running
above it.
Ravello is the only organization I know, running nested KVM in production,
sometimes nested 3 levels deep, which presents some unique challenges.
Here are some patches from the team:
ware.intel.com/sites/default/files/managed/c5/15/architecture-instruction-set-extensions-programming-reference.pdf
[1] https://patchwork.kernel.org/patch/10007161/
On Sun, Aug 30, 2015 at 7:58 AM, Muli Ben-Yehuda <mu...@mulix.org> wrote:
> On Sat, Aug 29, 2015 at 10:44:17PM +0300, Ela
purchase because the option to reprogram there firmware
> and avoid the vendor lock problem which most of this devices have.
>
> The OpenHAB froums are also a great place to find devices which work
> seamlessly with OpenHAB and find other hardware recommendation.
>
> --
> Rabin
>
es
> -- one of them call OpenHAB <https://www.openhab.org/>
>
> some devices will require a firmware flashing to make them to work with
> your "cloud" and not the vendor.
>
> one popular and cheep devices to start with are the Sonoff switches.
>
> --
> Rab
, it's not just the wire
protocol.
On Sun, May 21, 2017, 2:59 PM Rabin Yasharzadehe <ra...@rabin.io> wrote:
> Please clarify what do you mean by "open standard for smart home"
> are you referring to the communication between devices ?
>
> --
> Rabin
>
> On 21 May
Hi,
Is there some open standard for smart home.
The only thing I've seen which is close to open standard is KNX.
But I'm not sure if there's a free/open source implementation of the
standard ETS5 software used to configure KNX modules.
Is the files specifying KNX hardware data, e.g., vd2, knxprod
Hi,
While a little bit niche, and while unfortunately not enough Arabic
speaking folks are in the hi-tech scene in Israel, I still send this query,
and feel free to ask an Arabic speaking friend.
Is there an open standard/de facto standard/implementation of Arabic
transliteration. From Hebrew
;
> On Tue, Nov 29, 2016 at 8:41 AM, Elazar Leibovich <elaz...@gmail.com>
> wrote:
>
>> Hi,
>>
>> It's really convenient that two Linux computers usuallly have mDNS
>> installed by default.
>> I can then do scp x moshe.local, to my friend's laptop.
Hi,
It's really convenient that two Linux computers usuallly have mDNS
installed by default.
I can then do scp x moshe.local, to my friend's laptop.
In order for that to work with Windows, one can enable Window's zeroconf
standard, LLMNR. The easiest way is by configuring systemd-resolved to
; does the software do that you can't test before installing on production
> servers?
>
> On 6 August 2016 at 02:14, Elazar Leibovich <elaz...@gmail.com> wrote:
>
>> All real servers, with custom hardware attached, geographically
>> distributed across the planet.
able server images (e.g. Packer building AMI's, or Docker
> containers), then it's a matter of just firing up an instance of the new
> image both when testing and in production.
>
> --Amos
>
> On 3 August 2016 at 16:55, Elazar Leibovich <elaz...@gmail.com> wrote:
>
>> H
parallel-ssh install on all the servers.
>
> P. S. In case of few tens of servers I'd prefer to work with ansible or
> alternative, it's worh it in most cases/
>
> Best Regards, Evgeniy.
>
>
> On Tue, Aug 2, 2016 at 8:50 PM, Elazar Leibovich <elaz...@gmail.com>
> wrot
Hi,
I'm having a few (say, a few tens) Debian machines, with a local repository
defined.
In the local repository I have some home made packages I'm building and
pushing to the local repository.
When I'm upgrading my package, I want to be sure the update wouldn't cause
a problem.
So I wish to
some
way to measure that in userspace even without the kernel.
On Wed, Apr 20, 2016 at 1:03 PM, Elazar Leibovich <elaz...@gmail.com> wrote:
> I didn't think about it at first, but since the kernel uses tsc as a
> clock source, I'd better have a look at what it does.
>
> Note that
the hpet, assume it's in khz
precision and round it down from userspace, but I'm still looking for
a better solution to do that.
I'm not a kernel expert, maybe tsc_khz is exported to userspace somehow.
Anyone have any idea?
On Wed, Apr 20, 2016 at 8:10 AM, Elazar Leibovich <elaz...@gmail.com>
Hi,
In all recent Intel hardware, rdtsc is providing number of ticks since
boot, with a constant rate, and is equal among CPUs.
Vol III 17.14
For Pentium 4 processors, (...): the time-stamp counter increments at
a constant rate. That rate may be set by the
maximum core-clock to bus-clock ratio
Ravello systems is developing an hypervisor/virtual machine capable of
running on the cloud.
Companies who want to run, e.g., ESXi on the cloud, are running their
software on Ravello's hypervisor which is capable of running nested on AWS
or Google cloud.
Ravello also emulates Layer 2 network for
Does anyone have a creative idea how to set a hardware breakpoint on
physical address with a VM. In x86-64 architecture.
The best idea I've had, is patching KVM, and let him pretend some
non-canonical vaddress is actually a physical address (e.g., hbr
*0xf00d0A-BCDE-FGHI is equiv to a breakpoint
Oh, and the idea of the KVM patch is, for each physical HW bp, add a
relevant entry in the spt, and set the hardware breakpoint there. This is
assuming KVM HW bp works like I think they do.
On Sat, Aug 29, 2015 at 10:13 PM, Elazar Leibovich elaz...@gmail.com
wrote:
Does anyone have a creative
What are other practical use cases where malloc returns NULL.
You mentioned programmer error.
I second, and mention restricted environment where admin ulimits your
virtual memory.
I'll be happy to hear more.
On Sun, May 17, 2015 at 9:51 PM, Oleg Goldshmidt p...@goldshmidt.org wrote:
Elazar
or handle
it as he sees fit.
Baruch
On Fri, May 15, 2015 at 5:47 PM, Elazar Leibovich elaz...@gmail.com
wrote:
I'm writing a small C library, that I want to open source.
I want them to be usable for embedded environment, where memory
allocation must be controlled.
Hence, I abstracted away
/~ladypine/vee18-agmon-ben-yehuda.pdf, Orna
Agmon Ben-Yehuda, Eyal Posener, Muli Ben-Yehuda, Assaf Schuster, Ahuva
Mu'alem. In proceedings of VEE 2014.
On Sat, May 16, 2015 at 9:14 PM, Elazar Leibovich elaz...@gmail.com
wrote:
The question of whether to use a global malloc function, or to use
to check the error.
Thanks,
On Sat, May 16, 2015 at 11:18 PM, Oleg Goldshmidt p...@goldshmidt.org
wrote:
Elazar Leibovich elaz...@gmail.com writes:
My question is, should I support the case of malloc failure. On one
hand, it complicates the API significantly, but on the other hand it
might
I'm writing a small C library, that I want to open source.
I want them to be usable for embedded environment, where memory allocation
must be controlled.
Hence, I abstracted away calls to malloc/realloc, and replaced them with
struct mem_pool {
void *(*allloc)(void *mem_pool, void
Hi,
I was extending perf counters to sample the stack of a KVM guest from
a module[0].
The current KVM profiling architecture, keeps a CPU local variable
current_vcpu of the current vcpu running before vm_enter, and removes
it after a vm_exit.
Then, when an NMI occurs, it could check the
Sounds good, thanks (although it'll be harder to use from non-C programs).
Do you have a good idea how to stream information as a response to ioctl?
On Mon, Mar 30, 2015 at 3:31 PM, Gilboa Davara gilb...@gmail.com wrote:
On Thu, Mar 26, 2015 at 11:36 PM, Elazar Leibovich elaz...@gmail.com
of the reasons.
Thanks,
On Mon, Mar 30, 2015 at 5:08 PM, Gilboa Davara gilb...@gmail.com wrote:
On Mon, Mar 30, 2015 at 3:44 PM, Elazar Leibovich elaz...@gmail.com
wrote:
Sounds good, thanks (although it'll be harder to use from non-C
programs).
I usually complement each kernel module
AM, Amos Shapira amos.shap...@gmail.com
wrote:
If serialisation (aka marshalling) is considered, how about making it
text based?
Then you can use simple shell tools to talk to it.
On 27 March 2015 at 22:34, Elazar Leibovich elaz...@gmail.com wrote:
IMHO, C structs are no way near as usable
at this:
http://www.linuxfoundation.org/collaborate/workgroups/networking/generic_netlink_howto
(link got broken - place it all on a single line)
--guy
On 03/26/2015 11:36 PM, Elazar Leibovich wrote:
Hi,
I'm writing a kernel module, and I want to expose some debug
information about
mempcy
structures, without really writing serialization code (there's no endianess
issues, with both sides running on the same host, by definition).
--guy
On 03/27/2015 10:03 AM, Elazar Leibovich wrote:
Thanks, didn't know netlink.
You still need a solution to parse the sent message, where
Hi,
I'm writing a kernel module, and I want to expose some debug
information about it.
The debug information is often of the form of request-response.
For example:
- Hey module, what's up with data at 0xe8ff0040c000?
- Cached, populated two hours ago.
- Hey module, please invalidate data
two stack pages instead of one, but
so far it doesn't look like I've seen truncated stacks.
On Wed, Jan 7, 2015 at 11:50 AM, Elazar Leibovich elaz...@gmail.com wrote:
For future reference.
I examined what perf does when sampling the stack, (e.g. -g).
0. Indeed, it does not support callchain
, tinfo, graph);
}
On Sun Dec 21 2014 at 9:28:01 AM Muli Ben-Yehuda mu...@mulix.org wrote:
On Fri, Dec 19, 2014 at 02:19:07PM +, Elazar Leibovich wrote:
I know where the stack ends, but how can I know where it begins?
What assumptions can you make? Can you run kernel code in the VM
(e.g
Thanks,
On Sun, Dec 21, 2014 at 9:27 AM, Muli Ben-Yehuda mu...@mulix.org wrote:
On Fri, Dec 19, 2014 at 02:19:07PM +, Elazar Leibovich wrote:
I know where the stack ends, but how can I know where it begins?
What assumptions can you make? Can you run kernel code in the VM
(e.g
configurations and new versions.
On the other hand, reliance upon OS identification would at least enable
the user to call Support when he runs your code on an OS not identified
as a supported OS.
--- Omer
On Sun, 2014-12-21 at 11:08 +0200, Elazar Leibovich wrote:
Thanks,
On Sun, Dec 21, 2014 at 9:27
I'm given a stopped virtual machine, with access to the CPU and the memory.
It is now running a kernel function.
I want to copy the entire kernel stack.
How can I do that in a generic way, that would hopefully work across
multiple kernels.
For simplification, let's discuss x64.
I know where
.
On Wed Nov 26 2014 at 10:43:43 AM Muli Ben-Yehuda mu...@mulix.org wrote:
On Tue, Nov 25, 2014 at 08:56:01PM +, Elazar Leibovich wrote:
The first question I have in mind, is, how do you define a lock
benchmark? Is your goal to minimize overhead? Is your goal to
minimize the latency
The first question I have in mind, is, how do you define a lock benchmark?
Is your goal to minimize overhead? Is your goal to minimize the latency of
a successful uncontended acquire? Is your goal to minimize bus load for
other CPU when three CPUs are waiting for the spin lock?
What we're
I'd urge you to consider using virtualenv to manage python dependencies.
The only OS dependency you'd have, is python. You shouldn't care about
dependencies beyond that.
This is even more correct when deploying your application.
On Thu, May 15, 2014 at 3:20 PM, Uri Even-Chen u...@speedy.net
that answer, except the use of the hardware
clocks. I believe it is still valid, but I'll need to look at the source
code.
Shachar
On 26/03/14 06:38, Shachar Shemesh wrote:
So I answer this here, and then I get a visit in the office with the same
question... :-)
On 25/03/14 23:04, Elazar
(I'm talking now about MONOTONIC_CLOCK_RAW, not taking NTP adjustment into
account)
To my understanding, the basic time counting mechanism at the Linux kernel,
is the jiffies counter. The way it counts time, is by leveraging a CPU
interrupt happening at a certain known frequency. Every time this
Another idea from colleague, is to bind the source address of the socket to
the address of the desired netwrokr interface.
While it doesn't guarantee anything, he said that in practice the kernel
routed the packets through the desired network interface.
On Tue, Mar 4, 2014 at 10:02 AM, Erez D
use the SO_BINDTODEVICE setsockopt.
On Tue, Mar 4, 2014 at 10:02 AM, Erez D erez0...@gmail.com wrote:
Hello
I have 2 external interfaces via two eth cards, both connected to the
internet
I want to send a udp packet to same host:port, but choose dynamically
which interface to use.
can
that with capabilities, or use the old method
of start as root, bind socket and drop privileges, or use a small server
creating such sockets running as root.
On Tue, Mar 4, 2014 at 11:16 AM, Erez D erez0...@gmail.com wrote:
On Tue, Mar 4, 2014 at 11:05 AM, Elazar Leibovich elaz...@gmail.comwrote:
use
It seems that while top lists kernel provided statistics per process which
is somewhat interesting but not all that useful, perf is really sampling
the system, and gives a real picture of who's hogging your system, which is
usually why you've started top in the first place.
Let me give a trivial
While the point of perf not being available to non-root out of the box are
valid (though, it's just apt-get install linux-tools + echo 0|sudo tee
/proc/sys/kernel/perf_event_paranoid away, and it's the best bargain you'll
ever make), IMHO this is indeed apple vs apple comparison.
The goal of
Hi,
I'm maintaining a small HTTP proxy library that allows you to eavesdrop
HTTP requests. Someone reported a bug which I cannot recreate, so I'm
trying my luck here. [repost from golang-nuts, where I didn't get an
answer].
It seems to work on my machine, but a user still complain.
installed root CAs are given the authority
to override pins. We don't believe that there will be any incompatibility
issues.
On Fri, Aug 2, 2013 at 3:17 PM, Elazar Leibovich elaz...@gmail.com wrote:
Hi,
I'm maintaining a small HTTP proxy library that allows you to eavesdrop
HTTP requests. Someone
no reason to
call my callback.
On Jun 19, 2013 7:47 AM, Shachar Shemesh shac...@shemesh.biz wrote:
On 18/06/13 22:16, Elazar Leibovich wrote:
I'm using it as a fake always non-blocking file descriptor.
My main libevent-like poll loop looks like:
poll(fds)
for fd in fds
Try to open /dev/null, and then to poll the file descriptor. Neither in the
man page nor in the standard I see anything preventing you to poll on
/dev/null, yet, it does not work on Mac OS X. You get a POLLNVAL.
Run the following:
https://gist.github.com/elazarl/5805848
#include stdio.h
Damn I missed that.
To my defense, this bug should be also mentioned in the POLLNVAL section.
As it stands now, it looks like the only reason for POLLNVAL is a closed
file descriptor.
Sorry and thanks.
On Tue, Jun 18, 2013 at 6:09 PM, Oleg Goldshmidt p...@goldshmidt.org wrote:
Elazar
/dev/zero to be
more elegant.
On Tue, Jun 18, 2013 at 8:42 PM, Shachar Shemesh shac...@shemesh.bizwrote:
On 18/06/13 17:43, Elazar Leibovich wrote:
Try to open /dev/null, and then to poll the file descriptor. Neither in
the man page nor in the standard I see anything preventing you to poll
You came late to the party, but you're the only one who brought cheque!
Thanks, it's exactly what I was looking for.
On May 28, 2013 4:22 PM, Ori Berger linux...@orib.net wrote:
On 05/08/2013 09:22 PM, Elazar Leibovich wrote:
Hi,
I have a software product being built a few times a day
On Wed, May 8, 2013 at 11:11 PM, Tzafrir Cohen tzaf...@cohens.org.ilwrote:
Git stores files. It should do handle such deduping by design. But this
is in Git's storage, and not in the actual filesystem:
git packs them in a pack file.
Use git gc to make it aware of changes, or just look at my
Hi,
I have a software product being built a few times a day (continuous
integration style). The end product is an installable tar.gz with many java
jars.
Since the content of the tar.gz's is mostly the same, I want to use a
filesystem that would dedupe the duplicated content.
As I see it, it's
On Wed, May 8, 2013 at 10:47 PM, Oleg Goldshmidt p...@goldshmidt.org wrote:
Disclaimer: I am definitely not an expert on the subject matter and I
hardly know what I am talking about (in this case?). Creativity is no
substitute for knowing what you are doing.
Now let me try and get creative.
I'm trying to understand in more depth the handling of physical harddrive
io in the linux kernel (from pdflush to the actual filesystem driver).
When reading about the matter, I found out I'm missing some information at
a more basic level.
How a regular hard drive behaves? How is it implemented
Can't you copy one tree into the other and then use git diff? (Assuming at
least one of them has a git repo it came from).
On Sun, Feb 3, 2013 at 6:36 PM, Jonathan Ben Avraham y...@tkos.co.il wrote:
Hi Linux-IL colleagues,
To diff two kernel trees based on the same version from the mainline,
Instead of assuming, you should've used Google ;-)
To my (limited, I'm far from a crypto expert) understanding, Intel of
course also seeds the PRNG with a true random number generator, and it
complies NIST standard for randomness.
If you're a gateway that does SSL (and thus need to do many kex)? Like F5
On Thu, Jan 3, 2013 at 1:50 PM, Nadav Har'El n...@math.technion.ac.ilwrote:
On Thu, Jan 03, 2013, Yedidyah Bar-David wrote about RNG (was: Re: SSD
drives):
RDRAND is also a PRNG, reseeded at most once every 1022
On Thu, Jan 3, 2013 at 3:13 PM, Oleg Goldshmidt p...@goldshmidt.org wrote:
I'd say that it is up to Intel to prove that their TRNG design is
truly non-deterministic.
Um, but in Intel's case, they at least *tried* to prove that their TRNG is
good enough. I don't think WD tries to make its
$ cat /dev/urandom /dev/null
kernel panic: radiation higher than the maximal safe amount
On Thu, Jan 3, 2013 at 5:21 PM, Nadav Har'El n...@math.technion.ac.ilwrote:
On Thu, Jan 03, 2013, Michael Shiloh wrote about Re: SSD drives:
perhaps they use radioactive decay? Scroll down to Geiger
For a security team, Web Application security researcher is required.
While the job is not a Linux Job per se. Most relevant servers are linux
servers, and Linux knowledge is required.
For further details feel free to contact me in private.
___
I'm considering to disallow concurrent ssh sessions on a single-purpose
production machine (say, DB server).
I thought of replacing the default shell with a shell that keeps its pid
file in a central place. If such a file already exist, it'll kill the other
running shell before logging in.
On Mon, Nov 12, 2012 at 10:27 AM, Oleg Goldshmidt p...@goldshmidt.orgwrote:
On Mon, Nov 12, 2012 at 10:05 AM, Elazar Leibovich elaz...@gmail.com
wrote:
I'm considering to disallow concurrent ssh sessions on a single-purpose
production machine (say, DB server).
I thought of replacing
On Mon, Nov 12, 2012 at 10:54 AM, Oleg Goldshmidt p...@goldshmidt.orgwrote:
On Mon, Nov 12, 2012 at 10:40 AM, Elazar Leibovich elaz...@gmail.com
wrote:
No problem with my scheme, if sshd won't kill old sessions, new sessions
will... (or maybe I misunderstand you).
No, I misunderstood you
On Mon, Nov 12, 2012 at 12:30 PM, Tzafrir Cohen tzaf...@cohens.org.ilwrote:
On Mon, Nov 12, 2012 at 10:05:02AM +0200, Elazar Leibovich wrote:
I'm considering to disallow concurrent ssh sessions on a single-purpose
production machine (say, DB server).
Sessions != shells.
Of course, what I
On Mon, Nov 12, 2012 at 8:33 PM, Dotan Shavit do...@shavitos.com wrote:
On 11/12/2012 10:05 AM, Elazar Leibovich wrote:
I'm considering to disallow concurrent ssh sessions on a single-purpose
production machine (say, DB server).
You shouldn't...
I'd just add 'who' to the end
On Sun, Oct 21, 2012 at 1:49 PM, Oleg Goldshmidt p...@goldshmidt.org wrote:
Out of curiosity, what is the security limitation? Even if hosted
externally, I'd expect the machines to logically belong to the Technion
(e.g., in the technion.ac.il sense as well as in every legal sense)
If
What's the best way to get atomic/CAS instructions in C/C++, while keeping
your code as portable as possible?
Unfortunately, the best looking solution so far looks like depending on
GCC's intrinsics, (since it's so widespread), but it doesn't sound right.
There's also a project from HP,
Why do you need the Java source for that? Can't you use gdb, find out the
the address of the mmap'ed area, and add a watchpoint there (scripted to
log access and continue).
On Tue, Oct 9, 2012 at 1:06 PM, Amos Shapira amos.shap...@gmail.com wrote:
Thanks to both of you.
To give more details
. It also failed
with no space left on device, when it was trying to flush the rest of the
data that was on the way to the file.
Orna
On Thu, Jul 26, 2012 at 11:49 PM, Elazar Leibovich elaz...@gmail.comwrote:
I was always intrigued by this unix tidbit, closing a file can return an
error
I was always intrigued by this unix tidbit, closing a file can return an
error. In practice, it is rarely checked (as far as I've seen)
What does it mean? If I understand it correctly, recent write can lie about
its success.
But when do you really need it? If you have a piece of information you
On Fri, Jul 27, 2012 at 12:12 AM, Nadav Har'El n...@math.technion.ac.ilwrote:
So it seems to me that checking the close() only *sometimes* lets you
know of write errors which you'll otherwise miss. But since you'll
anyway miss other write errors (those coming after the close()), it's
not
Here's how I did an unattended install with no screen or keyboard:
http://askubuntu.com/questions/122505/how-do-i-create-completely-unattended-install-for-ubuntu/122506http://askubuntu.com/questions/122505/how-do-i-create-completely-unattended-install-for-ubuntu/122506#comment149734_122506
On
2012/3/13 kobi zamir kobi.za...@gmail.com
So I guess that you're also in the UTF-8 camp.
yes, but my opinion about utf-8 is just my opinion. i like python and
python defaults to utf-8.
Python's internal representation is not UTF-8, but UTF-16, or UTF-32,
depends on build parameters. Thus
On Tue, Mar 13, 2012 at 1:19 PM, Meir Kriheli mkrih...@gmail.com wrote:
Nitpick: It's actually ucs2/ucs4 (which preceded the above but are
compatible).
Double nitpick, UTF-16 and UCS-2 are identical representation, and it's
better to always use the name UTF-16 as the FAQ
On Tue, Mar 13, 2012 at 5:22 PM, Nadav Har'El n...@math.technion.ac.ilwrote:
Qt appears to use internally UTF-16. What major free software C library
actually prefer UTF-8?
Are you talking about the internal representation, or the external
interface?
The internal representation is in many
Something very important, one need to consider is Unicode normalization.
That is, how to strip out the Niqud, and to substitute, say KAF WITH DAGESH
(U+FB3B) with just a KAF (U+05DB) etc.
I guess that you're doing that already to some degree in hspell, so (in
case you're translating to
On Tue, Mar 13, 2012 at 10:16 PM, Nadav Har'El n...@math.technion.ac.ilwrote:
On Tue, Mar 13, 2012, Elazar Leibovich wrote about Re: Unicode in C:
Something very important, one need to consider is Unicode normalization.
That is, how to strip out the Niqud, and to substitute, say KAF
On Mon, Mar 12, 2012 at 3:20 PM, Omer Zak w...@zak.co.il wrote:
If you need to use Far Eastern fonts and/or have random access for your
text, use fixed size wide character encoding (16 bit or 32 bit size).
Note that UTF-16, doesn't really offer random access, due to surrogate
pairs (not all
The simplest option is, to accept StringPiece-like structure (pointer to
buffer + size), and encoding, then to convert the data internally to your
encoding (say, ISO-8859-8, replacing illegal characters with whitespace),
and convert the other output back.
Do you mind using iconv-like library?
On
On Mon, Mar 12, 2012 at 5:39 PM, E L elyl...@cs.huji.ac.il wrote:
What's the advantage of using ucs-4 internally?
Especially if the program needs to save memory (embedded devices are
pretty common these days).
UTF-32 or UCS-4, is the only encoding form that allows random access to
each
On Mon, Mar 12, 2012 at 7:37 PM, Nadav Har'El n...@math.technion.ac.ilwrote:
On Mon, Mar 12, 2012, Elazar Leibovich wrote about Re: Unicode in C:
The simplest option is, to accept StringPiece-like structure (pointer to
buffer + size), and encoding, then to convert the data internally to your
In RHEL 5 system, libc-6, I'm seeing the following strange phenomena
$ cat iconv_test.c
#include stdio.h
#include errno.h
#include fcntl.h
#include iconv.h
void iconv_test() {
static int nr = 0;
iconv_t iconv = iconv_open(MSCP949,UTF-8);
//iconv_t iconv = iconv_open(UTF-16,UTF-8);
if
On Mon, Feb 13, 2012 at 12:22 PM, Yedidyah Bar-David
linux...@didi.bardavid.org wrote:
Indeed, and to strace programs that do this, I do something like that:
Thanks! Worked like a charm. Here's the trouble:
[pid 31526] open($ORIGIN/tls/i686/sse2/libKSC.so, O_RDONLY) = -1 ENOENT
(No such
This is the second ubuntu installation I'm having this problem with.
Occasionaly, after the screen is locked, the Unlock dialog does not appear,
and thus it is impossible to log in. I see the cursor and the desktop
wallpaper, mouse is fully functional, but I cannot login.
I resort to `service
On Sun, Feb 12, 2012 at 12:46 PM, Tzafrir Cohen tzaf...@cohens.org.ilwrote:
Workaround: enable the keys that were disabled (by default) in the recent
X11
security fix:
http://who-t.blogspot.com/2012/01/xkb-breaking-grabs-cve-2012-0064.html
It's a matter of simple xkb configuration. As for
I made a short example of a few pitfalls the Java programmer might fall
into when handling with Unicode text, I'll be glad if the smart folks here
would have a look at it, and point out mistakes or missing pitfalls.
The package have no dependencies except JUnit and Hamercrest testing
framework.
On Wed, Dec 28, 2011 at 1:18 PM, Nadav Har'El n...@math.technion.ac.ilwrote:
Regarding point 2, wouldn't it be nice if it were possible to have a
programming language which you can use to program the Android, on the
Android itself, and run applications? Applications written in that
language
Have anyone tried to get a refund on a Windows license on a preinstall
machine he bought?
Is it possible in Israel? How much money will they refund? How complicated
is it?
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On Thu, Dec 1, 2011 at 10:10 AM, Nadav Har'El n...@math.technion.ac.ilwrote:
When you say words and word aligned here, you mean historic 2 byte
words.
Indeed. Is there any other meaning for word other than two bytes?
This is indeed *NOT* a very useful default on any modern computers. In
On Thu, Dec 1, 2011 at 11:32 AM, geoffrey mendelson
geoffreymendel...@gmail.com wrote:
Well, let's see, going back to the 1960's, IBM 1401, word size set by a
bit in memory, a word mark on a digit.
Thanks for educating me, you need to get a job in CS archaeology.
But what did the word mark
On Fri, Dec 2, 2011 at 9:28 AM, guy keren c...@actcom.co.il wrote:
you can use a debugger only for the basic code. you cannot use a debugger
when you're dealing with multiple threads that access the same shared data
and could have race conditions. in those cases you need to run a test, find
The default behaviour of hexdump is to align data word-wide. For instance
printf '\xFF\xFF\x01' | hexdump
000 0001
003
This makes little sense to me. In C, structs are not necessarily aligned to
words, and it doesn't seems useful to view about any data format for which
2011/10/27 Noam Meltzer tsn...@gmail.com
If I remember correctly CP has some kind of plugin/extension/some other
kind of lie called snx.
Or at least snx was the utility for linux which was the VPN client.
You need some kind of license per user for that in the firewall.
Didn't work for me
On Tue, Oct 18, 2011 at 1:50 PM, Oleg Goldshmidt p...@goldshmidt.org wrote:
I didn't understand how, eg, my C++ scheme don't work. I think it should
work even if you're including the $Id$ strings in the headers files.
Apart from the fact that you assume that main.cc is mine (what if my
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