On 21/03/17 05:02, Arun Khan wrote: > On Tue, Mar 21, 2017 at 5:39 AM, Robert Moskowitz <rgm at htt-consult.com> wrote: >> I am looking for one of those very small USB wifi adapters for the server I >> am working on. I am tired of dealing with the 4" long TP-LINK I have and >> for my purposes, one of those little 1cm ones would do. But which work with >> Linux? When I was last in the store, only the TP-LINK said it was supported >> on Linux... >> > > Most of the 1cm WiFi dongles have a Realtek chip. The rtl819x > supports quite a few Realtek WiFi chipset > (https://wireless.wiki.kernel.org/en/users/drivers/rtl819x). > I have bought a few on eBay for a couple of bucks each and they worked > out fine. The device is activated when plugged into an USB port > (ifconfig -a). > Just to add, the RHEL 7.3 kernel backported the wireless stack from kernel-4.7, so if a chipset is supported by kernel-4.7 then it should be supported in latest CentOS 7. Hope that helps.