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Server upgrade knocks out Xero services Xero has been hit by outages after an upgrade to a key database server aimed at improving performance resulted in an unforeseen performance degradation of the database. The New Zealand-headquartered cloud computing software provider told users just before midday New Zealand time on 12 ...
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Don't forget to lock the door Configure TTL correctly: Time-to-live (TTL),the mechanism that sets time limits for recursive servers to refresh their DNS cache can overload the server with excessive queries if set too low, but if set too high you risk inflexibility in the event of any needed configuration change. It's about finding the middle ...
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How to surf the web safely on public Wi-Fi networks You also want one that has servers in multiple countries, which lets you get around censored data if you ever travel to places like China. Connecting to a US VPN from China, for example, will make internet services think you're coming from the US instead of China. Plus, the more servers a service has, ...
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