One of my co-workers built a small rig using 2x AMD Radeon RX570 GPUs. I was going to give him my USB bootable installation to get up and running quickly, until I realized he was running AMD GPUs and Nvidia GPUs. So I put together a set of quick steps to Read more…
I was working on an Ethereum 6 GPU open air mining rig. I originally ordered a Biostar TB250-BTC+ 8 GPU board, but it got lost and never showed up, tried to order another but was backordered for like 3 weeks. So I picked up an MSI Z270-A PRO in the Read more…
A lot of people like to use WordPress because of the ease of use. However when it comes to high traffic websites and the need for caching, every cookie, and header is important to ensure that pages properly cache. We like to use Varnish to help our customers increase their Read more…
Working on a little Ethereum mining today. I’ve got a rig running two AMD Radeon RX 570 GPUs with 4GB of RAM each. I’m using Claymore Dual Miner for Ethereum, and when I gave it the arguments for target temperature ~/claymore10/ethdcrminer64 -epool us2.ethermine.org:4444 -ewal <wallet>.<worker> -epsw x -mode 1 -tt Read more…
I’ve had times where I need to get a quick serial console going to a device like an APC PDU. I typically use minicom in the past but sometimes it’s just not available on the machine. I was on a Raspberry Pi using a USB Serial adapter, and I Read more…
I’ve been using pfSense on a Watchguard Firebox X750e or Dell R610 server, both of them have multiple OPT ports. So I wanted to bridge LAN and OPT1 ports together so I can have two machines on the same network, get DHCP or access each other. These are the steps Read more…
Are you having a problem and don’t have a bootable CentOS DVD and no PIX server to get into rescue mode. Then try single user mode. In single user mode, your computer boots to runlevel 1. Your local file systems are mounted, but your network is not activated. You’ll have Read more…
I’ve had this issue a couple of times, when I attempt to ssh from our CentOS jump server to another CentOS server, I have had ssh hang and take up to 60 seconds or more before I get a bash prompt on the remote server. I have found this is Read more…