One may have software, hardware or configuration issues which require multiple instances of cgminer to share the USB bus.
TECH: Running multiple instances of cgminer on Linux
Posted in Sysadmin, Teh Cloud, Training
Tagged cgminer btc bitcoin antminer asic block eruptor
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LIFE: Preparedness for minimalists
A friend requested a shopping list of supplies for his space.
Posted in Preparedness
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LIFE: What I learned from Sandy.
It has been over a year now since Hurricane|SuperStorm Sandy, a fine time to post my notes from a day trip to Staten Island. Hopefully this paints a picture of conditions on the ground after a flood.
TECH NOTES: Building mod_security with libxml2
You’d like to add mod_security to your custom apache+mod_php build. The package requires a recent version of libxml2 which must be installed in parallel. Once compiled, httpd is unable to start as a result of missing symbols.
Posted in Machines, Rantings, Sysadmin, Training
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AWS: RDS: MySQL Limitations
MySQL on RDS has its pros and cons. Only your organization can decide if the solution meets your needs. Migrating from a traditonal MySQL database to RDS may not be a simple task.
Posted in AWS, Sysadmin, Teh Cloud, Training
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AWS: VPC NAT
Believe it or not, VPC does not provide native NAT functionality. Hopefully, someday, we’ll get a NAT equivalent to IGW. Until then, NAT functionality is implemented through an EC2 NAT instance, usually running Linux.
