Recently I was required to do a network performance test between a Head Office and a WAN site. I knocked up this quick python script to parse the data collect to see the results. Thought it could be handy for others so here it is to download / share. Download Script Sample Output: [plain] cooper@dfbit:~/scripts/iperf-parse$ [ View Post… ]
IPERF CSV Data Summary Script
Dennis Ritchie passes away …
The inventor of the C programming language and integral part of UNIX development has past away. RIP Dennis Ritchie. Thanks for the Uni lectures … BoingBoing Article
mplayer2 (and other goodies) on OpenIndiana (possibly Solaris 11)
Want mplayer2 (the newer fork of mplayer) that uses ffmpeg goodness to play all the latest avi’s with funky codecs and mp4 hidef goodness. Some Openindiana contributors are building a lot of friendly packages in the oi-sfe repo. [plain] sudo pkg set-authority -O http://staticdev.uk.openindiana.org:10002 oi-sfe sudo pkg refresh –full sudo pkg install SFEmplayer2 SFEgccruntime [/plain] [ View Post… ]
ipadm Script for Openindiana / Solaris 11 Ex
I love ipadm. It rocks. Much needed for Solaris and derivatives. I seem to keep forgetting the dam new ipadm commands tho. So I wrote this script to help me set up new Solaris machines and thought I would share. [bash] #!/usr/bin/bash INTERFACE=$1 ADDRESS=$2 GATEWAY=$3 V6AUTO=1 errorCheck() { if [ $? -ne 0 ]; then echo "ERROR: [ View Post… ]
OpenSolaris / OpenIndiana IPF
After I spent hours thinking I have lost the plot, I finally read about how IPF is configured by default now. I am not sure what build this was changed, but now, by default IPF on OpenIndiana does not look @ /etc/ipf/ipf.conf for default IPv4 IPF Rules to load @ start. To make it look [ View Post… ]
IPMP + Zones CFG in OpenIndiana / OpenSolaris
IPMP in Solaris allows you to have redundancy with your network on mission critical servers. It is really excellent as it allows you to mix speed of NICs (e.g. a Ten Gigabit Ethernet with Gigabit Ethernet). Below will demonstrate the ‘passive’ IPMP configuration. Active mode allows you to check the ability to ping a defined [ View Post… ]
Monitoring Opensolaris from iPhone / iPad using iStat
How to get istatd running on Opensolaris …
Solaris and ‘Growing’ / ‘Expanding’ your Zpool – With little down time …
<zfs nerd post> At home (on this server) I have a Zpool consisting of 3 disks in a RAIDZ1 group. I needed more disc space, so 1 by 1 I changed my 3 x 500G drives to 1tb drives. This would of been pretty much no down time (except for an export and import of [ View Post… ]
Maxing out Gig Ethernet with Sun x4500 Thumpers
Well the time has come where I have finally got some hardware that can max out gig ethernet. I sent 3.4 tb in 9 hours! Thats awesome! GG Cisco 3750 and 2 x Sun x4500 Thumpers running Opensolaris snv_105. Good times – I bet the copper was warm 🙂 root@dumper1:sbin> ./zfsMbufferInitialSend.sh Starting ZFS send to [ View Post… ]
Solaris 10 + Jumbo Frames + Link Aggregation with Cisco 3750 Switch + NFS Exporting / Mounting
Do you want to get the most out of our x4500 network throughput with NFS. Read away if you do.
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