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Posted by Jay Luong | Jul 7, 2015 | Database, MySQL / Percona |
While creating a schema for SNOMED to ICD-10 mapping, I came across the requirement of storing a UUID (128-bit unsigned integer) as the ‘id’ field. 128-bits = 16 bytes so we’ll use BINARY(16). drop table if...
Read MorePosted by Jay Luong | Mar 4, 2015 | Cloud Computing, Google Cloud Platform |
These are the procedures I followed for Ubuntu 14.04 LTS but should work with other Debian distros. sudo fallocate -l 2G /swapfile sudo chmod 600 /swapfile sudo mkswap /swapfile sudo swapon /swapfile sudo swapon -s Once...
Read MorePosted by Jay Luong | Mar 4, 2015 | Database, MySQL / Percona |
Let me guess, you’re trying to setup MySQL replication and you end up with errors like the following: ERROR 2026 (HY000): SSL connection error: protocol version mismatch ERROR 2026 (HY000): SSL connection error: ASN: bad...
Read MorePosted by Jay Luong | Mar 4, 2015 | Entrepreneurship |
When you’re a start-up, you don’t have the luxury of learning by failing. Communication has to be tight and often, you want to follow best-practice principles, and you want passionate and skilled individuals to work...
Read MorePosted by Jay Luong | Feb 13, 2015 | Networking |
OpenVPN Access Server’s free license provides two user accounts free of charge. sudo wget http://swupdate.openvpn.org/as/openvpn-as-2.0.12-Ubuntu14.amd_64.deb sudo dpkg -i openvpn-as-2.0.12-Ubuntu14.amd_64.deb sudo passwd...
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