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Smokeping on Debian/NSLU2

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  • ekgermann
    Sent over here by the moderator of the Debian/NSLU2 group ... ... ISP s ... past, ... si, ... buffers ... cached ... the
    Message 1 of 1 , Jun 19, 2007
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      Sent over here by the moderator of the Debian/NSLU2 group ...

      > I have a freshly minted NSLU2 running the Debian image installed by
      > di-nslu2.bin.
      >
      > My intent is to make a bunch of microprobes to place on various
      ISP's
      > networks to measure response times of our web products. In the
      past,
      > I've used Smokeping on BSD boxes that were discarded. I thought it
      > would be cool to have an all in one headless dedicated box to do it.
      >
      > I have an NSLU2, a SanDisk CF reader and a 4GB microdrive. Debian
      > installs, I take the defaults and it leaves me with a "top" like
      this:
      >
      > top - 17:52:03 up 48 min, 1 user, load average: 1.48, 1.43, 1.19
      > Tasks: 48 total, 2 running, 46 sleeping, 0 stopped, 0 zombie
      > Cpu(s): 13.0%us, 87.0%sy, 0.0%ni, 0.0%id, 0.0%wa, 0.0%hi, 0.0%
      si,
      > 0.0%st
      > Mem: 29988k total, 28800k used, 1188k free, 1396k
      buffers
      > Swap: 96348k total, 9336k used, 87012k free, 8608k
      cached
      >
      > ulimit looks like this.
      >
      > # ulimit -a
      > core file size (blocks, -c) 0
      > data seg size (kbytes, -d) unlimited
      > max nice (-e) 0
      > file size (blocks, -f) unlimited
      > pending signals (-i) unlimited
      > max locked memory (kbytes, -l) unlimited
      > max memory size (kbytes, -m) unlimited
      > open files (-n) 1024
      > pipe size (512 bytes, -p) 8
      > POSIX message queues (bytes, -q) unlimited
      > max rt priority (-r) 0
      > stack size (kbytes, -s) unlimited
      > cpu time (seconds, -t) unlimited
      > max user processes (-u) unlimited
      > virtual memory (kbytes, -v) unlimited
      > file locks (-x) unlimited
      >
      >
      >
      > I've been able to 'apt-get' apache and smokeping packages and they
      > work, sort of. Whenever I drill down in smokeping, I get the
      > following error when it tries to render an rrd into an image:
      >
      > ERROR: malloc im->gdes[gdi].data
      >
      > which is a wrapper around a malloc call. It doesn't matter if I run
      > smokeping.cgi under perl each time or speedy_cgi, they both blowup
      > with the malloc error.
      >
      > Has anyone seen an error like this and/or got smokeping to run on
      the
      > NSLU2?
      >
      > As an alternative, if I wanted to build the code myself, what all
      > packages need to be installed to build a development environment.
      >
      > Thanks in advance.
      >
      > Eric
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