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Raspberry pi tutorial
  Login | Register Select Language Home » Blog » Howto give your Raspberry Pi a Static IP Address - UPDATE How to give your Raspberry Pi a Static IP Address -UPDATE  April 20, 2016  This tutorial will showyou howto set a static IP address on your Pi with the release of Raspbian Jessie. At the timeof writing, the latest release date of Raspbian Jessie is 18-03-2016 with Kernal version 4.1.I recommend doing this on a fresh install, however if you have attempted to set a static IP address already, you mayhave found yourself editing the interfaces file (/etc/network/interfaces). I hope you made a backup, because you’llneed to remove any edits you have made, and revert it back to its srcinal state!The following is done over SSH, but you could just as well plug your Pi into a monitor, hook up a keyboard andmouse, and use the Terminal instead.Start by editing the dhcpcd.conf file  sudo nano /etc/dhcpcd.conf  Scroll all the way to the bottom of the file and add one, or both of the following snippets. Depending on whether you want to set a static IP address for a wired connection or a wireless connection eth0 = wired, wlan0 = wireless.You’ll need to edit the numbers in the snippet so they match your network configuration. CODE interface eth0static ip_address= routers= domain_name_servers= wlan0static ip_address= routers= domain_name_servers=  interface = This defines which network interface you are setting the configuration for.static ip_address = This is the IP address that you want to set your device to. (Make sure you leave the /24 at theend)static routers = This is the IP address of your gateway (probably the IP address or your router)static domain_name_servers = This is the IP address of your DNS (probably the IP address of your router). You canadd multiple IP addresses here separated with a single space.  £ converted by  Last update: September 28, 2016 63 Comments(39 Replies) To exit the editor, press ctrl+xTo save your changes press the letter “Y” then hit enter  Nowall you need to do is reboot, and everything should be set! reboot  You can double check by typing ifconfig  And checking the interfaces IP address lolo June 22, 2017 14:06 You save my life broo. I was trying with the old configuration and did´t success. Thank uReply converted by  Yar Zar  June 19, 2017 13:09 Howcan I configure if I did not knowthe static router Ip address because I am using school'sEthernet cable. Can I leave it blank or howshould I set up?Reply Jan April 26, 2017 13:58 What is the 24 in static ip_address= for?I use static ip_address= and I have acces via Putty and via port192.168.2.32:1883 for an application, but via port 8000 the acces is refused, what can bethe reason?Reply Bob April 28, 2017 02:58 The /24 at the end of the address is the network mask. In this caseyou are telling the system to use only the first 24 bits of the 32 bitsthat make up the static address. So the local network will includeany address that starts with 192.168.1. In the last screenshot yousee this expressed as Mask: should not be confused with a network Port, which isappended to an address after a colon. David B. May 01, 2017 01:30 when you see an IP address noted as it is whatsknown as CIDR Notation.The /24 is taking the place of netmask To fully understand what CIDR Notation is doing, and howittranslates to the more commonly known netmask / subnetmask notation requires understanding hownetworks are classified, brokenup, distributed, utilized, and designed as well as howsubnet maskswere srcinally a hack , AS WELL AS (because that isnt enoughalready LOL) a firm understanding of binary math... NEEDLESS to say that more then you probably want to get into.all you really need to knowis that most home networks use the192.168.0.0 (class C) network address space, the subnet mask (or netmask in linux, unix and Mac OSX) for that address space isalmost always which is represented as /24 in CIDR  Notation.aaaaaaaAAAAAAAND there is your im probably never going toneed to knowthis but it might be handy if I end up on Jeopardy knowledge nugget for the day. Angrynerd April 18, 2017 23:07 Howwould you set it up if you are switching between a mobile hotspot and a router Reply TOr Kristian April 25, 2017 20:05 converted by  Hi, without me being a guru on this stuff, I think it would be handyif you had an extra wifi adapter. If you use the native wifi on your router, you would use the adapter when you use the hotspot. TheRaspberry would assign two different ip adresses, and both Wlan0and Wlan1. They will be visible at ifconfig. Paul April 18, 2017 09:00 Thank you for this tutorial!Most of the connection problems after the change are because of the wrong router address. Before you do the change, you have to write down some numbers.Run ifconfig and see the line corresponding to your connection ( wlan0 or eth0).Write down the number after inet addr:It will be something like inet addr: (4 numbers separated with dots).(See the third screenshot and the red boxes).You have to use the same numbers for the first 3 places (192.168.1) in all the lines you add.In my case it will be:static ip_address= routers= domain_name_servers= you use the same 3 numbers it should work.Hope this helps.PaulReply Hans April 05, 2017 21:09 I followed the instruction and changed the IP into a static address.But after doing this, I cannot run apt-get update any longer: it complains about not beingable to resolve some stuff.I changed the IP sdettings back to dynamic, and then the update works OK again.Any clues?Reply Jon April 19, 2017 17:29 One or all of the settings you specified are wrong. Before you startrun these three commands:# ip a# ip r # cat /etc/resolv.conf They will tell you, in order:Your current (dynamic) IP address and netmask. That is the IPaddress separated from the netmask by / eg Your default gateway default via IP_address_of_your_router Your DNS server nameserver IP_address_of_DNS_server - may be the same as your router. Nowfill in the static configuration but only change the IP addressand keep the rest the same. Make sure the address you pick isoutside of the range that your DHCP server gives out. converted by
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