When discussing availability of a service, it is common to hear the term “Five Nines” referring to a service being available 99.999% of the time but “Five Nines” are relative.
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In reality, none of those calculations are relevant because no one cares if a service is unavailable for 10 hours, as long as they…

Recently I created my first ZFS clones but quickly realized that there was no simple way to tell the clones from the regular filesystems. My first instinct was to run ‘zfs list -t clone’ similar to ‘zfs list -t snapshot’ but this didn’t work. Maybe it works in newer versions of ZFS.

After some poking…

Hi, Here is a fairly short regular expression you can use to match valid IPV4 IP addresses:/^(((25)|(2)|(1??))\.){3}((25)|(2)|(1??))$/ Good luck!

I am a huge fan of Sun Microsystems.I love Solaris 10.I love ZFS.I love RBAC.I love zones.I really love T2/T2+ processors.I especially love the T5140 and X4450 servers. One thing I cannot figure out though, is why Sun lets obviously delirious cocaine addicts package their software. Maybe I’m exaggerating but I think that many…

A friend asked me how he could see the network utilization in Solaris. It seems like a fairly simple request but for some reason this is not a simple command line away. In Linux I would instinctively go straight to iptraf. I don’t know if iptraf is the tool of choice these days but…