Stephen Strowes sdstrowes
sdstrowes
/ gist:2584882
Created
May 3, 2012 10:18
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| sds@islay:130:~$ traceroute 194.71.107.15 | |
| traceroute to 194.71.107.15 (194.71.107.15), 64 hops max, 52 byte packets | |
| 1 cpc2-broo7-2-0-gw.14-2.cable.virginmedia.com (86.11.184.1) 24.203 ms 11.656 ms 9.002 ms | |
| 2 renf-core-1a-ae3-3586.network.virginmedia.net (82.23.161.237) 15.601 ms 11.151 ms 7.833 ms | |
| 3 renf-core-2a-ae2-0.network.virginmedia.net (213.105.175.221) 8.516 ms 11.233 ms 7.786 ms | |
| 4 manc-bb-1c-ae13-0.network.virginmedia.net (62.253.174.37) 38.311 ms 13.866 ms 18.403 ms | |
| 5 manc-bb-1b-ae6-0.network.virginmedia.net (213.105.159.89) 26.507 ms 14.465 ms 15.698 ms | |
| 6 know-core-1b-pc200.network.virginmedia.net (195.182.178.150) 28.728 ms 21.815 ms 17.029 ms | |
| 7 * * * | |
| 8 * * * |
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| sds@carney:0:~$ last -x | |
| sds pts/0 islay.local Sun Apr 21 21:16 still logged in | |
| runlevel (to lvl 2) 2.6.38-8-generic Sun Apr 21 21:15 - 21:22 (00:06) | |
| reboot system boot 2.6.38-8-generic Sun Apr 21 21:15 - 21:22 (00:06) | |
| shutdown system down 2.6.38-8-generic Wed Nov 7 15:42 - 21:15 (165+04:33) | |
| runlevel (to lvl 0) 2.6.38-8-generic Wed Nov 7 15:42 - 15:42 (00:00) | |
| sds pts/0 islay Wed Nov 7 15:42 - down (00:00) | |
| sds pts/2 islay Thu Nov 1 13:20 - 19:27 (1+06:07) | |
| sds pts/0 islay Thu Nov 1 11:13 - 13:21 (1+02:08) |
sdstrowes
/ gist:5445570
Created
April 23, 2013 17:19
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| sds@ubuntu:~$ cat /etc/issue | |
| Ubuntu 10.04.4 LTS \n \l | |
| sds@ubuntu:~$ uname -a | |
| Linux ubuntu 2.6.32-45-server #104-Ubuntu SMP Tue Feb 19 21:35:01 UTC 2013 x86_64 GNU/Linux | |
| sds@ubuntu:~$ bprobe --version | |
| Welcome to bprobe v.1.0.0fi919 ($Revision: 1983 $) for x86_64-unknown-linux-gnu | |
| Built on 03/05/13 03:02:46 AM |
sdstrowes
/ gist:5447936
Last active
December 16, 2015 14:20
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| sds@ubuntu:~/test$ cat segfault.c | |
| #include <stdio.h> | |
| int main(void) | |
| { | |
| char* foo = NULL; | |
| printf("%c\n", *foo); | |
| return 0; | |
| } | |
| sds@ubuntu:~/test$ |
sdstrowes
/ gist:5447966
Last active
December 16, 2015 14:20
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| sds@ubuntu:~/test$ cat spin.c | |
| #include <unistd.h> | |
| int main(void) | |
| { | |
| while (1) { | |
| sleep(1); | |
| } | |
| return 0; | |
| } |
sdstrowes
/ gist:5448080
Created
April 23, 2013 22:48
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| sds@ubuntu-12-04:~$ gdb ./spin | |
| GNU gdb (Ubuntu/Linaro 7.4-2012.04-0ubuntu2) 7.4-2012.04 | |
| Copyright (C) 2012 Free Software Foundation, Inc. | |
| License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html> | |
| This is free software: you are free to change and redistribute it. | |
| There is NO WARRANTY, to the extent permitted by law. Type "show copying" | |
| and "show warranty" for details. | |
| This GDB was configured as "x86_64-linux-gnu". | |
| For bug reporting instructions, please see: | |
| <http://bugs.launchpad.net/gdb-linaro/>... |
sdstrowes
/ gist:5769928
Created
June 12, 2013 23:10
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| sds@islay:0:~$ ping boundary.com | |
| PING boundary.com (66.228.54.120): 56 data bytes | |
| Request timeout for icmp_seq 0 | |
| Request timeout for icmp_seq 1 | |
| Request timeout for icmp_seq 2 | |
| Request timeout for icmp_seq 3 | |
| Request timeout for icmp_seq 4 | |
| 64 bytes from 66.228.54.120: icmp_seq=5 ttl=51 time=138.789 ms | |
| Request timeout for icmp_seq 6 | |
| Request timeout for icmp_seq 7 |
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| sds@becomerich-lm:~$ ping -q 8.8.8.8 | |
| PING 8.8.8.8 (8.8.8.8): 56 data bytes | |
| ^T | |
| load: 1.23 cmd: ping 16805 running 0.00u 0.00s | |
| 2/2 packets received (100.0%) 121.688 min / 128.423 avg / 135.159 max | |
| ^T | |
| load: 1.22 cmd: ping 16805 running 0.00u 0.00s | |
| 6/6 packets received (100.0%) 121.688 min / 172.922 avg / 235.270 max | |
| ^C | |
| --- 8.8.8.8 ping statistics --- |
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| sds@uist:/tmp$ valgrind --tool=massif --pages-as-heap=yes --massif-out-file=massif.out awk '!x[$0]++' blah.txt > /tmp/foo | |
| ==2388== Massif, a heap profiler | |
| ==2388== Copyright (C) 2003-2012, and GNU GPL'd, by Nicholas Nethercote | |
| ==2388== Using Valgrind-3.8.1 and LibVEX; rerun with -h for copyright info | |
| ==2388== Command: awk !x[$0]++ blah.txt | |
| ==2388== | |
| ==2388== | |
| sds@uist:/tmp$ ms_print massif.out | head -30 | |
| -------------------------------------------------------------------------------- | |
| Command: awk !x[$0]++ blah.txt |
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| sds@uist:/tmp$ valgrind --tool=massif --pages-as-heap=yes --massif-out-file=massif.out --time-unit=ms awk '!x[$0]++' blah.txt > /tmp/foo | |
| ==2429== Massif, a heap profiler | |
| ==2429== Copyright (C) 2003-2012, and GNU GPL'd, by Nicholas Nethercote | |
| ==2429== Using Valgrind-3.8.1 and LibVEX; rerun with -h for copyright info | |
| ==2429== Command: awk !x[$0]++ blah.txt | |
| ==2429== | |
| ==2429== | |
| sds@uist:/tmp$ ms_print massif.out | head -30 | |
| -------------------------------------------------------------------------------- | |
| Command: awk !x[$0]++ blah.txt |
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