What's the Best Way to Accomodate Multiple Devices That All Want to Use the Same Fixed IP Address in

What's the best way to accomodate multiple devices that all want to use the same fixed IP address into the same LAN?

What's the Best Way to Accomodate Multiple Devices That All Want to Use the Same Fixed IP Address in 1

Since the devices will all have the same real IP you would need to do some kind of masking or static NAT.One solution would be to put every device (switchport) on a separate VLAN and route between the networks. The switch would need to be able to do static nat on a per port basis. Another solution might be to make a linux machine on one port member of all VLANs and utilize virtual IPs and do the routing/nat part in linux. Iptables can do NAT

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What is the best way to organize OpenPGP keys?

One of the most secure and practical way to organize PGP keys is to use Subkey with offline Master Key.In essence, with subkeys you can store your Master/(C)ertification key in an encrypted, trusted offline storage; and your day to day workstation only have the (S)igning and (E)ncryption key. You would only take out your (C) key when you need to sign or revoke your own or someone else's key, which usually happens much less often than regular signing and encrypting. The reason why it's recommended to use separate (S) and (E) key is because many people uses multiple devices, and you can only have one (E) key in all your devices if you want to be able to read all your encrypted data from any one of your devices, but you can use multiple (S) key, one for each of your device, and all of your devices can still verify signatures because there is a trust chain to your master key.Also, you can put shorter expirations on your subkeys. Master key is effectively non-expirable as you can always extend the expiry of a master key. Note that newer version of GPG creates subkeys by default

What's the Best Way to Accomodate Multiple Devices That All Want to Use the Same Fixed IP Address in 2

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Software or process that allows me to view a HTML file in a browser on my iphone when in development

Personally, I upload to my own server, then view from the 'phone & various other devices, rather than having to load the site to multiple devices. Of course, you are probably developing on localhost and since your 'phone probably connects to your home router by wifi, you can access your PC from your 'phone by its 192.xxx.xxx.xxx or 10.xxx.xxx.xxxx IP address. Unless you are going to edit & develop on your 'phone or other device, why load the code onto it? Probably better to just leave it in on central place. Also, Google & check out various sites that let you view your website (which needs a public IP address, so upload it to your server) and various resolutions, emulating different browsers and screen sizes.If you are liable to be updating your code regularly, you might want to look into automated unit tests

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Make it so that multiple devices connected to the same router get their own public IP

I think assigning private IPs or public IPs for clients of a router are basically the same.You set up a DHCP daemon, configuring it, and that should be done.What matters is that you must own the IPs you are assigning, so that they can communicate with the Internet.

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Connecting one bluetooth keyboard to multiple devices

There are two ways to tackle this:Bluetooth devices have to store an encryption key for each paired host. Crappy devices only store the one from the last pairing. Some better devices can store multiple keys, but connect to the next available host they recognize and stay with it. (To let the devices switch the host, the currently connected host has to e.g. shut down Bluetooth.)Even better devices offer a way to pick previously paired hosts. Dennis mentioned some non-foldable keyboards which can do that. I may add the Logitech K760 to that list. For foldable bluetooth keyboards I know the Microsoft Universal Foldable Keyboard (2 hosts) and the Perixx Periboard 805L II (3 hosts)

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Is it okay to create multiple instances of a device in centos?

The major number identifies the driver to use for that device. The minor number is passed along to the driver, AFAIK other parts of the kernel do not care about it (unless it's for well-known devices where it has a specific meaning).You did not include any details about your usecase. As long as whatever driver you use does not need the minor number, my guess is you should be fine. Though the question in this case is why do you need to create multiple devices of the same type in the first place; using a single device would probably work as well.If you need to reference this device under different names, the convention is to use udev rules and make symbolic links. But to actually answer this we would need information about your usecase, and your reasons for doing so

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