dimanche 17 janvier 2016

Playing with Raspberry PI 2



Specs:

processor       : 0
model name      : ARMv7 Processor rev 5 (v7l)
BogoMIPS        : 57.60
Features        : half thumb fastmult vfp edsp neon vfpv3 tls vfpv4 idiva idivt vfpd32 lpae evtstrm
CPU implementer : 0x41
CPU architecture: 7
CPU variant     : 0x0
CPU part        : 0xc07
CPU revision    : 5

processor       : 1
model name      : ARMv7 Processor rev 5 (v7l)
BogoMIPS        : 57.60
Features        : half thumb fastmult vfp edsp neon vfpv3 tls vfpv4 idiva idivt vfpd32 lpae evtstrm
CPU implementer : 0x41
CPU architecture: 7
CPU variant     : 0x0
CPU part        : 0xc07
CPU revision    : 5

processor       : 2
model name      : ARMv7 Processor rev 5 (v7l)
BogoMIPS        : 57.60
Features        : half thumb fastmult vfp edsp neon vfpv3 tls vfpv4 idiva idivt vfpd32 lpae evtstrm
CPU implementer : 0x41
CPU architecture: 7
CPU variant     : 0x0
CPU part        : 0xc07
CPU revision    : 5

processor       : 3
model name      : ARMv7 Processor rev 5 (v7l)
BogoMIPS        : 57.60
Features        : half thumb fastmult vfp edsp neon vfpv3 tls vfpv4 idiva idivt vfpd32 lpae evtstrm
CPU implementer : 0x41
CPU architecture: 7
CPU variant     : 0x0
CPU part        : 0xc07
CPU revision    : 5

Hardware        : BCM2709
Revision        : a01041
Serial          : 00000000da0d125f

Got a Raspberry PI 2 for free yesterday ! So I decided to mess around with it today.


Setup

Setting it up was a breeze, we're on:
Linux raspberrypi 4.1.13-v7+ #826 SMP PREEMPT Fri Nov 13 20:19:03 GMT 2015 armv7l GNU/Linux

Setup all my dev tools on it. tmuxing and setting up an snmp server on it.

Compiling SNMP from source took less than 5 minutes. I guess that quad core arm v7 is quite fast afterall. (my android mobile is still running on a Dual Core arm- shame on me!)

Disk Full (16GB MicroSD ?) Really??

Almost forgot, I ran into an issue while i was copying stuff on it.

Disk was full, 3GB was used and i should still had at least 12 GB left (was a 16GB microsd).
So yeah, just deleted the 2nd partition, resized and set up a new partition, 
with start of 2nd partition being end of 1st partition, and end of that new partition being default.

(Source : http://raspberrypi.stackexchange.com/questions/499/how-can-i-resize-my-root-partition)

Impressions:

Fast (booting/compiling)
Silent (can be left to compile at night) without waking you up
Power efficient (USB 6V port)


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