Hello Ron, Before we start with the wifi, I'd like to ask about your kernel because I don't recognize it as a centos kernel (centos for arm has used the 3 latest LTS, 4.4, 4.9 and 4.14). Thanks. Pablo. El 12/5/18 a las 15:02, cjvijf at gmail.com escribió: > Hello, > > I am building a data-logger for a 'seismograph' on a RPI-2 running > Centos 7. > > Wireless is working, with another wireless usb adapter, but since this > one is going to sit in a barn, I need a longer range wifi antenna. > > The OS sees the device, and ifconfig shows a MAC address, but somehow > it doesn't seem to come up. It does work on "regular" Centos 6, running > on a laptop, no issues at all. > > any ideas? (I put some of the details below, it's wlan1 I am trying > to make work) > 9Not running anything IPV6, so don't know why that module was loaded.) > > thanks, > > Ron > > > [root at rpi2-1 ~]# uname -a > Linux rpi2-1 3.18.14-v7+ #794 SMP PREEMPT Sun Jun 7 12:50:51 BST 2015 > armv7l armv7l armv7l GNU/Linux > > [root at rpi2-1 ~]# lsusb > Bus 001 Device 007: ID 148f:3072 Ralink Technology, Corp. RT3072 > Wireless Adapter > > [root at rpi2-1 ~]# ifconfig -a > . > . > . > wlan0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 > inet 192.168.2.4 netmask 255.255.255.0 broadcast 192.168.2.255 > inet6 fe80::76da:38ff:fe6d:da2 prefixlen 64 scopeid 0x20<link> > ether 74:da:38:6d:0d:a2 txqueuelen 1000 (Ethernet) > RX packets 267 bytes 32204 (31.4 KiB) > RX errors 0 dropped 2 overruns 0 frame 0 > TX packets 227 bytes 39749 (38.8 KiB) > TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 > > wlan1: flags=4098<BROADCAST,MULTICAST> mtu 1500 > ether e8:4e:06:58:1b:97 txqueuelen 1000 (Ethernet) > RX packets 0 bytes 0 (0.0 B) > RX errors 0 dropped 0 overruns 0 frame 0 > TX packets 0 bytes 0 (0.0 B) > TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 > > [root at rpi2-1 ~]# lsmod > Module Size Used by > arc4 1745 2 > rt2800usb 17886 0 > rt2800lib 71839 1 rt2800usb > rt2x00usb 8517 1 rt2800usb > rt2x00lib 36704 3 rt2x00usb,rt2800lib,rt2800usb > mac80211 479583 3 rt2x00lib,rt2x00usb,rt2800lib > cfg80211 386516 2 mac80211,rt2x00lib > crc_ccitt 1153 1 rt2800lib > rfkill 16651 2 cfg80211 > ftdi_sio 30912 0 > 8192cu 528365 0 > usbserial 22425 1 ftdi_sio > uio_pdrv_genirq 2958 0 > uio 8119 1 uio_pdrv_genirq > i2c_bcm2708 5006 0 > i2c_dev 6027 0 > ipv6 333976 26 > _______________________________________________ > Arm-dev mailing list > Arm-dev at centos.org > https://lists.centos.org/mailman/listinfo/arm-dev -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.centos.org/pipermail/arm-dev/attachments/20180513/37c55677/attachment-0006.html>