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There is a special sort of defeat in seeing “421 Too many connections from this IP” after thirty minutes of uploading. It means the server has limited how many connections one address may hold at once, and you have used them all. You probably did not do it deliberately. FTP clients open a new connection…
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There are two kinds of WordPress users: those who take backups and those who are about to. A backup is the thing you wish you had made at 4:55 on a Friday afternoon. Before any migration, take a full backup of two things: the site files and the database. The files include themes, plugins and…
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A file hash is a short code worked out from a file’s contents. Change a single byte and the code changes completely. That makes hashes a handy way to check a file arrived exactly as it left. SHA-256 is the one to use. MD5 is quicker, but it is weak, so keep it for simple…