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I am trying to copy a machine to another hosting (however, both on AWS). I have an AWS Lightsail x86...
Unlike MySQL PostgreSQL often skips indexes and does (unwanted) full table scan. I spent much time tuning PostgreSQL to make...
Script to run a shell command without breaching security of anything except of your home dir
This is the rating of the worst engineer decisions causing the most damage to the civilization. The 1 st place....
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Today I have moved all my Web sites from an old VPS hosting to Digital Ocean VPS hosting. Their prices...
Let we have two related SQL tables: CREATE TABLE `user` ( `id` int(10) unsigned NOT NULL AUTO_INCREMENT, `login` varchar(255) COLLATE...
There are at least two very much underestimated projects in the field of information technology. The first one is of...
