秋葉原で購入しました。これがあればディスクトップも自由に配置できる。
早速設定してみました。
# ### 0.前提条件：CentOS6.4 minimal版インストール
# ### 1.インストール前の確認
# ifconfig
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:6 errors:0 dropped:0 overruns:0 frame:0
TX packets:6 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:672 (672.0 b) TX bytes:672 (672.0 b)
# ifconfig -a
eth0 Link encap:Ethernet HWaddr 00:22:15:F6:A6:AB
BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:6 errors:0 dropped:0 overruns:0 frame:0
TX packets:6 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:672 (672.0 b) TX bytes:672 (672.0 b)
wlan0 Link encap:Ethernet HWaddr 00:22:69:A2:2D:35
BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)
# ### 2.ドライバーインストールための必要なものを導入
# yum --disablerep=\* --enablerepo=c6-media install kernel-devel gcc make perl
# ### 3.ドライバーインストール
# mount /dev/cdrom /media/CentOS/
# cp -R /media/CentOS/linux /tmp/.
# sh install.sh
# ifconfig -a #再度確認(wlan1が表示できました)
eth0 Link encap:Ethernet HWaddr 00:22:15:F6:A6:AB
BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:6 errors:0 dropped:0 overruns:0 frame:0
TX packets:6 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:672 (672.0 b) TX bytes:672 (672.0 b)
wlan0 Link encap:Ethernet HWaddr 00:22:69:A2:2D:35
BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)
wlan1 Link encap:Ethernet HWaddr xx:yy:zz:xx:yy:zz
BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)
# ### 4.無線LANを管理、設定する必要な物をインストール
# yum --disablerep=\* --enablerepo=c6-media install wireless-tools wpa_supplicant
# ### 5.設定,起動
# vi /etc/sysconfig/wpa_supplicant #コメント行は省略
INTERFACES="-i wlan1"
DRIVERS="-D wext"
OTHER_ARGS=" -f /var/log/wpa_supplicant.log -P /var/run/wpa_supplicant.pid"
# wpa_passphrase "ESSID" "パスワード" >> /etc/wpa_supplicant/wpa_supplicant.conf
# vi /etc/wpa_supplicant/wpa_supplicant.conf
ctrl_interface=/var/run/wpa_supplicant
ctrl_interface_group=wheel
network={
ssid="ESSID"
#psk="パスワード"
psk=ハッシュ化したパスワード
key_mgmt=WPA-PSK
proto=WPA
pairwise=CCMP TKIP
group=TKIP
}
# cp /etc/sysconfig/network-scripts/ifcfg-wlan0 /etc/sysconfig/network-scripts/ifcfg-wlan1
# vi /etc/sysconfig/network-scripts/ifcfg-wlan1
DEVICE=wlan1
HWADDR=xx:yy:zz:xx:yy:zz
TYPE=Wireless
ONBOOT=yes
NM_CONTROLLED=yes
BOOTPROTO=none
IPADDR=192.168.0.100
GATEWAY=192.168.0.1
DNS1=192.168.0.1
PREFIX=24
# 起動
# wpa_supplicant -i wlan1 -c /etc/wpa_supplicant/wpa_supplicant.conf
# ifconfig #再度確認(wlan1が表示できました)
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:6 errors:0 dropped:0 overruns:0 frame:0
TX packets:6 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:672 (672.0 b) TX bytes:672 (672.0 b)
wlan1 Link encap:Ethernet HWaddr xx:yy:zz:xx:yy:zz
inet addr:192.168.0.100 Bcast:192.168.0.255 Mask:255.255.255.0
inet6 addr: fe80::ea4e:6ff:fe24:8c0e/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:812 errors:0 dropped:5 overruns:0 frame:0
TX packets:263 errors:0 dropped:3 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:236151 (230.6 KiB) TX bytes:85165 (83.1 KiB)
#iwconfig
lo no wireless extensions.
wlan0 IEEE 802.11bg ESSID:off/any
Mode:Managed Access Point: Not-Associated Tx-Power=0 dBm
Retry long limit:7 RTS thr:off Fragment thr:off
Encryption key:off
Power Management:on
eth0 no wireless extensions.
wlan1 IEEE 802.11bgn ESSID:"ESSID" Nickname:""
Mode:Managed Frequency:2.417 GHz Access Point: XX:YY:ZZ:FF:DD:AA
Bit Rate:65 Mb/s Sensitivity:0/0
Retry:off RTS thr:off Fragment thr:off
Encryption key:****-****-****-****-****-****-****-**** Security mode:open
Power Management:off
Link Quality=100/100 Signal level=79/100 Noise level=0/100
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:0 Missed beacon:0
# ### 7.接続確認
# ping -c 3 192.168.0.1
PING 192.168.0.1 (192.168.0.1) 56(84) bytes of data.
64 bytes from 192.168.0.1: icmp_seq=1 ttl=64 time=6.95 ms
64 bytes from 192.168.0.1: icmp_seq=2 ttl=64 time=1.65 ms
64 bytes from 192.168.0.1: icmp_seq=3 ttl=64 time=1.67 ms
--- 192.168.0.1 ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2004ms
rtt min/avg/max/mdev = 1.651/3.429/6.959/2.496 ms
$ ping -c 3 192.168.0.100 # 外からも
PING 192.168.0.100 (192.168.0.100): 56 data bytes
64 bytes from 192.168.0.100: icmp_seq=0 ttl=64 time=27.334 ms
64 bytes from 192.168.0.100: icmp_seq=1 ttl=64 time=52.405 ms
64 bytes from 192.168.0.100: icmp_seq=2 ttl=64 time=5.067 ms
--- 192.168.0.100 ping statistics ---
3 packets transmitted, 3 packets received, 0.0% packet loss
round-trip min/avg/max/stddev = 5.067/28.269/52.405/19.337 ms
感想：windowsの「次へ」と比較すると結構難しい。メーカが提供している
手順、設定例などが英語＆ドキュメントが多くで何を参照するば良いか変わらない。