Cygnet Tech Blog

I was thinking to build cheap SAN storage for home lab VMware ESXi share storage. My target to build is compact and budget is less than 200 SGD. When I was digging information from Google and nothing satisfied me. So I have decided to use my old HP dc7900 SFF desktop as SAN storage. That PC was bought around $80 SGD during auction from my company last 2 years ago.  As you know SFF can only put maximum 2 x 3.5" HDD internally. I have idea to utilize CDRom drive space and replace with those 2.5" 4 bay hot swap HDD Cage.  I found Monoprice 10058 5.25" to 4x2.5" SAS/SATA 6Gb/s hot-swap Aluminum HDD Cage w/key from eBay and purchased with 35 USD. This HDD Cage support up to 12mm 2.5" HDD so it can install SAS HDD as well. Initially I have intended to purchased 6 bay or 8 pay but they only support 9mm and 7mm thin HDD. RAID card My purose is to use as SAN storage. So I was also looking for cheap RAID card. After searching a few information, most of LSI R...

I'm not sure everyone facing this issue or not. When I update or install something on my Ubuntu 14.04 server, it always uses "sg.archive.ubuntu.com" Singapore mirror and it's working during weekdays and failed on weekend Sat and Sun. So I make changes on the apt repository. $sudo vim /etc/apt/source.list comment out  # deb http://sg.archive.ubuntu.com/xxxx and add  deb http://au.archive.ubuntu.com/xxx then run the command apt-get update then solve the issue.

The VIA ART-3000 is a complete, fanless and ruggedized embedded box PC, designed for a broad range of industrial, kiosk, POI and signage applications. it comes with EITX-3000 motherboard, a 1.3 GHz Nano processor, up to 2Gb DDR2 RAM, onboard Chrome 9 graphics solution, one 2.5” SATA drive bay, two Gigabit Ethernet ports, four COM ports, six USB connectors, dual LVDS and a VGA port. Current Status is EOL in VIA website. (http://www.viaembedded.com/en/support/eol/art-3000/) Today I'm going to show you how you can easily replace faulty power adapter. The reason is i'm not able to get the quote and reply from VIA authorized distributor. So this is the fastest way of replacing your own adapter.  The original power adapter is 19V output which is similar to most of laptop's power adapter. Here i bought cheap SGD $30 from Sim Lim tower.  Picture 1 Picture 1 shows 19V original charger. Picture 2 Picture 2 shows HP Laptop charger which is also 19V. So...