Author Archives: Marcelo Leal - Page 13

GNU/Linux, ZFS, and the df utility…

Yesterday a co-worker asked me about a wrong information showed by the df utility (running on a RedHat ES). One ZFS pool, and many ZFS filesystems, and the same 'available' information for all filesystems (always the Pool total), even with some data written on the pool (that's good, you do ...
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RoR on OS 2008.11

Just a note... ;-) 1) pfexec pkg install gcc-dev 2) pfexec pkg install SUNWscp 3) pfexec pkg install SUNWmysql5 4) pfexec pkg install ruby-dev 5) pfexec gem install rails --include-dependencies 6) pfexec gem install mongrel --include-dependencies 7) pfexec gem install mysql -- --with-mysql-dir=/usr/mysql/5.0/ 8) pfexec gem install will_paginate 9) export PATH=$PATH:/usr/ruby/1.8/bin Actually i did need the pfexec gem install ...
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NFS – Block Size Monitor (v0.3)

Ok, now i did some 'clean up' on the code... did create some functions, have removed duplicated code, and add new features like 'Requests per second'. Now i think is just fix any bugs that we will find, but the features for this particular tool are done. Take a look: FEATURES: ...
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NFS – Block Size Monitor (DTrace powered)

DO NOT TRY IT IN PRODUCTION. USE AT YOUR OWN RISK! Hello there! Yesterday i was coding a simple tool to provide a better visualization of the block's sizes (read/write) on a NFS server. The primary objective was not consolidate informations, but just quickly visualize trends, for a short period of ...
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OSX, SXCE, and VirtualBox, great start!

That's it, simple like that! As every software combination should be. ;-) I was resisting to really create a virtualized development environment on my laptop, not because i do not trust in virtualization, actually i'm  a big fan... the problem is the big deceptions i had on the past trying to ...
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Twitter

As you can see in the sidebar, i'm using twitter and actually i'm enjoying it! I talk a lot, and so i many times talk to myself... i know, weird... so, with twitter i can write instead of talk to myself (but i'm still talking to myself :). Anyway, i ...
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