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- <h1>Tuesday, January 27</h1>
-
- what version of what linux distribution is this?
- ------------------------------------------------
-
- Some luck _may_ be had with one or more of:
-
- root@beaglebone:~# uname -a
- Linux beaglebone 3.8.13-bone47 #1 SMP Fri Apr 11 01:36:09 UTC 2014 armv7l GNU/Linux
-
- root@beaglebone:~# lsb_release -a
- No LSB modules are available.
- Distributor ID: Debian
- Description: Debian GNU/Linux 7.8 (wheezy)
- Release: 7.8
- Codename: wheezy
-
- root@beaglebone:~# cat /etc/debian_version
- 7.8
-
- root@beaglebone:~# cat /etc/dogtag
- BeagleBoard.org BeagleBone Debian Image 2014-04-23
-
- root@beaglebone:~# cat /etc/os-release
- PRETTY_NAME="Debian GNU/Linux 7 (wheezy)"
- NAME="Debian GNU/Linux"
- VERSION_ID="7"
- VERSION="7 (wheezy)"
- ID=debian
- ANSI_COLOR="1;31"
- HOME_URL="http://www.debian.org/"
- SUPPORT_URL="http://www.debian.org/support/"
- BUG_REPORT_URL="http://bugs.debian.org/"
-
- armhf
- -----
-
- [Is it armhf or armel?](https://blogs.oracle.com/jtc/entry/is_it_armhf_or_armel):
-
- > During diagnosis, the question becomes, how can I determine whether my Linux
- > distribution is based on armel or armhf? Turns out this is not as
- > straightforward as one might think. Aside from experience and anecdotal
- > evidence, one possible way to ascertain whether you're running on armel or
- > armhf is to run the following obscure command:
- >
- > $ readelf -A /proc/self/exe | grep Tag_ABI_VFP_args
- >
- > If the Tag_ABI_VFP_args tag is found, then you're running on an armhf system.
- > If nothing is returned, then it's armel. To show you an example, here's what
- > happens on a Raspberry Pi running the Raspbian distribution:
- >
- > pi@raspberrypi:~$ readelf -A /proc/self/exe | grep Tag_ABI_VFP_args
- > Tag_ABI_VFP_args: VFP registers
- >
- > This indicates an armhf distro, which in fact is what Raspbian is. On the
- > original, soft-float Debian Wheezy distribution, here's what happens:
- >
- > pi@raspberrypi:~$ readelf -A /proc/self/exe | grep Tag_ABI_VFP_args
- >
- > Nothing returned indicates that this is indeed armel.
-
- On a recent-ish Beaglebone Black:
-
- root@beaglebone:~# readelf -A /proc/self/exe | grep Tag_ABI_VFP_args
- Tag_ABI_VFP_args: VFP registers
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