Bypassing Wi-Fi login screen

Submitted by Darren Oh on

If you are trying to connect a device that cannot display a Wi-Fi login screen to a Wi-Fi network that requires a login screen, you will need to spoof the MAC address of the device you are trying to connect on a device that can display a login screen.

A MAC address is a hardware ID that identifies a device on a network. Here’s how to spoof the MAC address on a Mac computer.

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What’s the value of working for an agency?

Submitted by Darren Oh on

I work for Cognizant, a technology consulting company. My division, Cognizant Softvision, provides digital engineering services to clients. What this means in practice is that I am embedded in a client’s engineering team. This works fine for me, but I have wondered how the business model works for Cognizant and for clients and whether it limits my earnings.

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Too many open files on MacOS

Submitted by Darren Oh on

When a lot of things are running at once, hitting the open files limit on MacOS makes things start crashing. Running MacOS Server is supposed to help, but its configuration changes are inadequate if a lot of non-server activity is also going on. Every version of MacOS seems to have a different way of changing the open files limit. Here are some pages that try to follow the changes between versions.

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