{"id":1303,"date":"2017-08-21T17:54:52","date_gmt":"2017-08-21T08:54:52","guid":{"rendered":"http:\/\/blog.moramcnt.com\/?p=1303"},"modified":"2017-09-16T16:18:54","modified_gmt":"2017-09-16T07:18:54","slug":"%eb%9d%bc%ec%a6%88%eb%b2%a0%eb%a6%ac%ed%8c%8c%ec%9d%b4raspberry-pi-%ec%9d%b8%ed%84%b0%eb%84%b7-%ec%97%b0%ea%b2%b0","status":"publish","type":"post","link":"http:\/\/blog.moramcnt.com\/?p=1303","title":{"rendered":"\ub77c\uc988\ubca0\ub9ac\ud30c\uc774(Raspberry PI) \uc778\ud130\ub137 \uc5f0\uacb0"},"content":{"rendered":"

1. \uc720\uc120\ub79c \uc124\uc815
\n – \uae30\ubcf8\uc801\uc73c\ub85c DHCP\uae30\ub2a5\uc774 \ud65c\uc131\ud654 \ub418\uc5b4 \uc788\uc5b4 \ub79c\uc120\ub9cc \uaf43\uae30\ub9cc \ud558\uba74 \ub41c\ub2e4.
\n ifconfig\ub97c \uccd0\ubcf4\uba74 192.168.0.125\ub77c\ub294 IP\uc8fc\uc18c\ub85c \ud560\ub2f9\ubc1b\uc740 \uac83\uc744 \uc54c\uc218 \uc788\ub2e4.<\/p>\n

\r\npi@raspberrypi:~$ ifconfig\r\nenxb827ebeaadc5: flags=4163  mtu 1500\r\n        inet 192.168.0.125  netmask 255.255.255.0  broadcast 192.168.0.255\r\n        inet6 fe80::3dba:6631:6fe1:c90f  prefixlen 64  scopeid 0x20\r\n        ether b8:27:eb:ea:ad:c5  txqueuelen 1000  (Ethernet)\r\n        RX packets 5418  bytes 569192 (555.8 KiB)\r\n        RX errors 0  dropped 1239  overruns 0  frame 0\r\n        TX packets 63  bytes 7286 (7.1 KiB)\r\n        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0\r\n\r\nlo: flags=73  mtu 65536\r\n        inet 127.0.0.1  netmask 255.0.0.0\r\n        inet6 ::1  prefixlen 128  scopeid 0x10\r\n        loop  txqueuelen 1  (Local Loopback)\r\n        RX packets 0  bytes 0 (0.0 B)\r\n        RX errors 0  dropped 0  overruns 0  frame 0\r\n        TX packets 0  bytes 0 (0.0 B)\r\n        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0\r\n\r\nwlan0: flags=4099  mtu 1500\r\n        ether b8:27:eb:bf:f8:90  txqueuelen 1000  (Ethernet)\r\n        RX packets 0  bytes 0 (0.0 B)\r\n        RX errors 0  dropped 0  overruns 0  frame 0\r\n        TX packets 0  bytes 0 (0.0 B)\r\n        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0\r\n\r\npi@raspberrypi:~$\r\n\r\n<\/pre>\n
2. SSH\ub97c \ud1b5\ud55c \uc5f0\uacb0 \uc811\uc18d
\n1) SSH \uc11c\ubc84 \ud65c\uc131\ud654<\/p>\n
\r\nsudo raspi-config\r\n<\/pre>\n
\"\"<\/a>
\n
\n\"\"<\/a>
\n
\n\"\"<\/a>
\n
\n2) SSH \uc11c\ubc84\ub85c \uc811\uc18d
\n\uc704\uc5d0\uc11c \ud655\uc778\ud55c IP\/PORT :192.168.0.125\/22\ub85c SecureCRT\ub97c \ud1b5\ud574 \uc811\uc18d
\n\"\"<\/a><\/p>\n
3. \ubb34\uc120\ub79c \uc124\uc815
\n1) iwconfig \uba85\ub839\uc73c\ub85c \ub124\ud2b8\uc6cc\ud06c \uc5b4\ub2f5\ud130 \ubaa9\ub85d \ud655\uc778
\n   \uc774\uc911 “no wireless extensions”\uac00 \uc544\ub2cc wlan0\uc774 \ub0b4\uc7a5\ub418\uc5b4\uc788\ub294 WiFi \uc544\ub2f5\ud130\uc784.<\/p>\n
\r\niwconfig\r\n<\/pre>\n
\"\"<\/a><\/p>\n
2) \uc811\uc18d\uac00\ub2a5\ud55c \uc8fc\ubcc0 AP \uac80\uc0c9<\/p>\n
\r\nsudo iwlist wlan0 scan | more\r\n<\/pre>\n
 – \uc5ec\ub7ec\uac1c\uc758 AP\uac00 \ub098\uc624\ub294\ub370, \uc5f0\uad6c\uc18c\uc5d0 \uc124\uce58\ub418\uc5b4 \uc788\ub294  “moram-lab”\uc744 \uc774\uc6a9\ud558\uae30\ub85c \ud55c\ub2e4.<\/p>\n
\r\n          Cell 05 - Address: 64:E5:99:0A:32:04\r\n                    Channel:6\r\n                    Frequency:2.437 GHz (Channel 6)\r\n                    Quality=60\/70  Signal level=-50 dBm  \r\n                    Encryption key:on\r\n                    ESSID:\"moram-lab\"\r\n                    Bit Rates:1 Mb\/s; 2 Mb\/s; 5.5 Mb\/s; 11 Mb\/s; 6 Mb\/s\r\n                              9 Mb\/s; 12 Mb\/s; 18 Mb\/s\r\n                    Bit Rates:24 Mb\/s; 36 Mb\/s; 48 Mb\/s; 54 Mb\/s\r\n                    Mode:Master\r\n                    Extra:tsf=0000000000000000\r\n                    Extra: Last beacon: 80ms ago\r\n                    IE: Unknown: 00096D6F72616D2D6C6162\r\n                    IE: Unknown: 010882848B960C121824\r\n                    IE: Unknown: 030106\r\n                    IE: Unknown: 2A0100\r\n                    IE: Unknown: 32043048606C\r\n                    IE: Unknown: 2D1A6E181EFFFF000000000000000000000000000000000000000000\r\n                    IE: Unknown: 3D1606070000000000000000000000000000000000000000\r\n                    IE: IEEE 802.11i\/WPA2 Version 1\r\n                        Group Cipher : CCMP\r\n                        Pairwise Ciphers (1) : CCMP\r\n<\/pre>\n
3) PSK\ub97c \uc0dd\uc131
\n – wpa_passphrase\uba85\ub839\uc744 \uc774\uc6a9\ud558\uc5ec PSK \uc0dd\uc131<\/p>\n
\r\n wpa_passphrase \uc811\uc18d\ud560AP\uc758SSID \uc811\uc18d\ud560AP\uc758\ube44\ubc00\ubc88\ud638\r\n<\/pre>\n
\r\n wpa_passphrase moram-lab \ube44\ubc00\ubc88\ud638\r\n<\/pre>\n
\r\nnetwork={\r\n        ssid=\"moram-lab\"\r\n        psk=d847cf7519242cc9486e9bbe317a1ed811b20034cd74b4d995c6d6c8a2e2c3d9\r\n}\r\n<\/pre>\n
4) \/etc\/wpa_supplicant\/wpa_supplicant.conf \ud30c\uc77c \uc218\uc815
\n – \uc77c\ub2e8 editing\uc744 \uc704\ud574 vim \uc124\uce58<\/p>\n
\r\nsudo apt-get install vim\r\n<\/pre>\n
\r\nsudo vim \/etc\/wpa_supplicant\/wpa_supplicant.conf\r\n<\/pre>\n
 – \uc544\ub798\uc640 \uac19\uc774 \ud558\ub2e8\uc5d0 \uc704\uc5d0\uc11c \uc0dd\uc131\ud55c PSK\ub97c \ucd94\uac00\ud55c\ud6c4\uc5d0 \uc800\uc7a5<\/p>\n
\r\ncountry=GB\r\nctrl_interface=DIR=\/var\/run\/wpa_supplicant GROUP=netdev\r\nupdate_config=1\r\n\r\nnetwork={\r\n        ssid=\"moram-lab\"\r\n        psk=d847cf7519242cc9486e9bbe317a1ed811b20034cd74b4d995c6d6c8a2e2c3d9\r\n}\r\n<\/pre>\n
5) \uc778\ud130\ud398\uc774\uc2a4 \ud30c\uc77c \uc218\uc815<\/p>\n
\r\nsudo vim \/etc\/network\/interfaces\r\n<\/pre>\n
\ud558\ub2e8\uc5d0 \uc544\ub798\uc640 \uac19\uc774 \ucd94\uac00<\/p>\n
\r\nauto wlan0\r\niface wlan0 inet dhcp\r\nwpa-conf \/etc\/wpa_supplicant\/wpa_supplicant.conf\r\n<\/pre>\n
6) wifi \uc544\ub2f5\ud130 \uc7ac\uc2dc\uc791
\n – WIFI \uc7ac\uc2dc\uc791<\/p>\n
\r\nsudo ifup wlan0\r\n\r\nInternet Systems Consortium DHCP Client 4.3.5\r\nCopyright 2004-2016 Internet Systems Consortium.\r\nAll rights reserved.\r\nFor info, please visit https:\/\/www.isc.org\/software\/dhcp\/\r\n\r\nListening on LPF\/wlan0\/b8:27:eb:bf:f8:90\r\nSending on   LPF\/wlan0\/b8:27:eb:bf:f8:90\r\nSending on   Socket\/fallback\r\nDHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 4\r\nDHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 5\r\nDHCPREQUEST of 192.168.0.126 on wlan0 to 255.255.255.255 port 67\r\nDHCPOFFER of 192.168.0.126 from 192.168.0.1\r\nDHCPACK of 192.168.0.126 from 192.168.0.1\r\nbound to 192.168.0.126 -- renewal in 3297 seconds.\r\n\r\n<\/pre>\n
 – \ucc38\uace0 : \ub9cc\uc57d \uc544\ub798\uc640 \uac19\uc774 \uc5d0\ub7ec\ub09c \uacbd\uc6b0, \ub77c\uc988\ubca0\ub9ac\ud30c\uc774\uc5d0 \uc804\uc6d0\uc744 \ube90\ub2e4\uac00 \ub2e4\uc2dc \ub123\uc73c\ub2c8\uae4c \ud574\uacb0\ub428.<\/p>\n
\r\nwpa_supplicant: \/sbin\/wpa_supplicant daemon failed to start\r\nrun-parts: \/etc\/network\/if-pre-up.d\/wpasupplicant exited with return code 1\r\nifup: failed to bring up wlan0\r\npi@raspberrypi:~$ \r\n<\/pre>\n
7) IP \ud560\ub2f9<\/p>\n
\r\nsudo wpa_cli reconfigure\r\nSelected interface 'p2p-dev-wlan0'\r\nOK\r\n<\/pre>\n
8) IP \ud560\ub2f9 \ud655\uc778
\n – ifconfig\ub85c \ud655\uc778<\/p>\n
\r\nwlan0: flags=4163  mtu 1500\r\n        inet 192.168.0.126  netmask 255.255.255.0  broadcast 192.168.0.255\r\n        inet6 fe80::ba27:ebff:febf:f890  prefixlen 64  scopeid 0x20\r\n        ether b8:27:eb:bf:f8:90  txqueuelen 1000  (Ethernet)\r\n        RX packets 316  bytes 36224 (35.3 KiB)\r\n        RX errors 0  dropped 0  overruns 0  frame 0\r\n        TX packets 40  bytes 6359 (6.2 KiB)\r\n        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0\r\n<\/pre>\n","protected":false},"excerpt":{"rendered":"
1. \uc720\uc120\ub79c \uc124\uc815 – \uae30\ubcf8\uc801\uc73c\ub85c DHCP\uae30\ub2a5\uc774 \ud65c\uc131\ud654 \ub418\uc5b4 \uc788\uc5b4 \ub79c\uc120\ub9cc \uaf43\uae30\ub9cc \ud558\uba74 \ub41c\ub2e4. ifconfig\ub97c \uccd0\ubcf4\uba74 192.168.0.125\ub77c\ub294 IP\uc8fc\uc18c\ub85c \ud560\ub2f9\ubc1b\uc740 \uac83\uc744 \uc54c\uc218 \uc788\ub2e4. pi@raspberrypi:~$ ifconfig enxb827ebeaadc5: flags=4163 mtu 1500 inet 192.168.0.125 netmask 255.255.255.0 broadcast 192.168.0.255 inet6 fe80::3dba:6631:6fe1:c90f prefixlen 64 scopeid 0x20 ether b8:27:eb:ea:ad:c5 txqueuelen 1000 (Ethernet) RX packets 5418 bytes 569192 (555.8 KiB) RX errors 0 dropped […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"footnotes":""},"categories":[2,35],"tags":[219],"class_list":["post-1303","post","type-post","status-publish","format-standard","hentry","category-2","category-iot","tag-raspberry-pi"],"_links":{"self":[{"href":"http:\/\/blog.moramcnt.com\/index.php?rest_route=\/wp\/v2\/posts\/1303","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/blog.moramcnt.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/blog.moramcnt.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/blog.moramcnt.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/blog.moramcnt.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1303"}],"version-history":[{"count":10,"href":"http:\/\/blog.moramcnt.com\/index.php?rest_route=\/wp\/v2\/posts\/1303\/revisions"}],"predecessor-version":[{"id":1366,"href":"http:\/\/blog.moramcnt.com\/index.php?rest_route=\/wp\/v2\/posts\/1303\/revisions\/1366"}],"wp:attachment":[{"href":"http:\/\/blog.moramcnt.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1303"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/blog.moramcnt.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1303"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/blog.moramcnt.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1303"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}