I experienced a weird problem whereby no images were loading in Safari (yet Flash was working) but everything was fine in Firefox. I tried cleaning out caches, and reset virtually everything. The real problem turned out that I had accidentally checked the item “Disable Images” under the “Develop” menu.
I...
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Images do not load in Safari
A filer in your pocket. Installing a NetApp simulator.
Download a simulator. You will need a NOW (NetApp On the Web) account to download.
http://now.netapp.com/NOW/cgi-bin/simulator
I am using a Linux virtual machine inside Virtual Box, so I connect to that Linux machine and copy over the tarfile, that I downloaded to my mac. An alternative would be do download it from within the...
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Views from Mt. Occoneechee.
Some snaps from the top of Mt. Occoneechee. Click “Read more” to see slideshow.
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Adding a second IP address to a NIC in data ONTAP
filer*> ifconfig e1b alias 192.168.101.4
Will add the address 192.168.101.4 to my NIC e1b, which already contained the IP 192.168.100.4
filer*> ifconfig e1b
e1b: flags=0x3d48867 mtu 9000
inet 192.168.100.4 netmask 0xffffff00 broadcast 192.168.100.255
inet 192.168.101.4 netmask 0xffffff00 broadcast 192.168.101.255
...
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10 GbE performance evaluation, throughput and latency
This paper gives throughput and latency figures achieved using 10 GbE using Linux clients. Their tests showed a 300% improvement in latency over 1GbE. This whitepaper was published in 2003 by LANL.
Initial End-to-End Performance Evaluation of 10-Gigabit Ethernet�
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Find duplicate files with Perl md5
The script uses the Digest::md5 module to look for duplicate files. It takes as input a list of filenames, and returns a list of all files which share the same md5 hash/signature. Files which share the same md5 signature are very likely to be duplicate files.
lovebox:~ gjl$ cp /etc/hosts file1
lovebox:~ gjl$...
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Send me an email when you’re done.
A simple script to send an email after some (presumably long running) command is done. I called it simply ‘m’ for ‘mail’ Execute it like this.
lovebox:shell-scripts gjl$ m gzip 10mfile
Command line is : gzip 10mfile
Result : Success
And an email will be sent when the command completes.
RUNID=`date +"%y%m%d%H%M"`
USER=you.username@domainname.com
RESFILE=$$$RUNID
echo "Command line is :...
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Munge columnar into one datafile (for processing in a spreadsheet, gnuplot or whatever)
Often we’ll use awk or cut to spit out a single column of data from a bunch of different files, or maybe from the same file… anyhow once we have these files with one column of data, sometimes we’ll want to splice those files together so we can look at each line (typically a...
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Daves place.
Directions to Daves place in Cary.
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Filer iSCSI trace
Running a network trace from a filer
Data ONTAP has a built in packet trace capability, which can be run straight from the command line. The format of the capture is the standard BPF and so can be imported into pretty much any tool for viewing and analysis. By default the packet...
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