{"id":13288,"date":"2014-09-25T04:00:52","date_gmt":"2014-09-24T19:00:52","guid":{"rendered":"http:\/\/meiya-jp.check-xserver.jp\/?p=13288"},"modified":"2014-09-24T12:22:56","modified_gmt":"2014-09-24T03:22:56","slug":"wifi%e6%8e%a5%e7%b6%9a%e3%81%aeraspberry-pi-b%e3%81%abping%e3%81%8c%e9%80%9a%e3%82%89%e3%81%aa%e3%81%84%ef%bc%81%ef%bc%81","status":"publish","type":"post","link":"https:\/\/meiya.jp\/?p=13288","title":{"rendered":"WiFi\u63a5\u7d9a\u306eRaspberry Pi B+\u306bPing\u304c\u901a\u3089\u306a\u3044\uff01\uff01"},"content":{"rendered":"

\u5148\u65e5\u8cfc\u5165\u3057\u305fRaspberry Pi\u3000B+<\/strong>\u3060\u304c\u3001Raspberry Pi\u306e\u96fb\u6e90\u3092\u5165\u308c\u3066\u3001PC\u304b\u3089SSH\u3067\u30ed\u30b0\u30a4\u30f3\u3057\u3088\u3046\u3068\u601d\u3046\u3068
\u898b\u3064\u304b\u3089\u306a\u3044(^-^;<\/p>\n

\"\"<\/a><\/p>\n

\u30eb\u30fc\u30bf\u30fc\u3067Mac\u30a2\u30c9\u30ec\u30b9\u3067\u56fa\u5b9aIP\u3092\u632f\u308b\u3088\u3046\u306b\u3057\u305f\u306e\u3067IP\u306f\u5e38\u306b\u540c\u3058\u3002\u306a\u306e\u306bPing\u3059\u3089\u901a\u3089\u306a\u3044
Raspberry Pi\u304b\u3089PC\u3078Ping\u6253\u3066\u3070\u3001PC\u304b\u3089Ping\u304c\u901a\u308b\u3088\u3046\u306b\u3002\u305d\u3057\u3066Ping\u304c\u901a\u308c\u3070\u3001SSH\u3067\u30ed\u30b0\u30a4\u30f3\u3082\u53ef\u80fd\u306b\u306a\u308b\u3002
\u305f\u3060\u3001\u30ed\u30b0\u30a4\u30f3\u72b6\u614b\u3067\u653e\u7f6e\u3057\u3066\u304a\u304f\u3068\u30bb\u30c3\u30b7\u30e7\u30f3\u5207\u308c\u3066\u308b\u3057T_T<\/p>\n

\u304a\u305d\u3089\u304f\u3001\u4f7f\u3063\u305fWiFi\u306e\u30c9\u30f3\u30af\u30eb\u3068\u306e\u76f8\u6027\u3068\u304b\u3082\u3042\u308b\u306e\u304b\u3082\u3057\u308c\u306a\u3044\u304c\u3001\u5207\u308c\u308b\u306e\u306f\u3061\u3087\u3063\u3068\u3088\u308d\u3057\u304f\u306a\u3044\u306e\u3067\u3001
\u8272\u3005\u3068\u540c\u69d8\u306e\u6e1b\u5c11\u3067\u60a9\u3093\u3067\u3044\u308b\u4eba\u304c\u3044\u306a\u3044\u304b\u3068\u30b0\u30b0\u30c3\u3063\u3066\u307f\u305f\u3089\u3001\u304a\u3089\u308c\u307e\u3057\u305f\u3002<\/p>\n

http:\/\/www.kimurak.net\/wordpress\/unclassified\/429\/<\/a><\/p>\n

\u3053\u3061\u3089\u306e\u65b9\u306e\u30da\u30fc\u30b8\u3092\u53c2\u8003\u306b\u3001\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u305d\u306e\u307e\u307e\u30b3\u30d4\u30da\u3055\u305b\u3066\u9802\u3044\u3066\u304d\u307e\u3057\u305f\u3002\u307b\u307c\u771f\u3063\u65b0\u306a\u306e\u3067\u3001\u7a74\u6398\u308a\u304b\u3089
\u3084\u308a\u307e\u3059<\/p>\n

\n\n\n
\n


$ sudo mkdir \/home\/pi\/bin\/
$ sudo mkdir \/home\/share\/
$ sudo mkdir \/home\/share\/bin\/<\/span>
$ cd \/home\/pi\/bin\/<\/span>
$ sudo vi restartwlan0.sh<\/span><\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n

 <\/p>\n

\n\n\n
\n

#!\/bin\/sh<\/span><\/p>\n

cuDir=\/home\/share\/bin<\/span>
cnn=`\/sbin\/ifconfig wlan0 | \/bin\/grep “inet\u30a2\u30c9\u30ec\u30b9:”`<\/span>
strDate=`date` echo “[$strDate] wlan cron -> $cnn” >> ${cuDir}\/restartwlan0.log<\/span>
if [ “$cnn” = “” ]; then<\/span>
ifup –force wlan0<\/span>
msg=”[$strDate] wlan cron -> wlan0 restarted”<\/span>
echo $msg >> ${cuDir}\/restartwlan0.log fi<\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n

\u00a0\u305d\u3057\u3066\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u5b9f\u884c\u3055\u305b\u308b\u305f\u3081\u306b\uff58\u5c5e\u6027\u3092\u4ed8\u52a0<\/p>\n

\n\n\n
\n


# sudo chmod +x restartwlan0.sh<\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n

crontab\u306b5\u5206\u5f8c\u306b\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u5b9f\u884c\u3055\u305b\u3066\u30ed\u30b0\u3092\u53d6\u308b\u3053\u3068\u306b<\/p>\n

\n\n\n
\n


sudo vi \/etc\/crontab<\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n

 <\/p>\n

\n\n\n
\n


*\/5 * * * * root \/home\/share\/bin\/restartwlan0.sh<\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n

\u3055\u3066\u3053\u308c\u3067\u69d8\u5b50\u3092\u898b\u3066\u307f\u3088\u3063\u3068<\/p>\n","protected":false},"excerpt":{"rendered":"\u5148\u65e5\u8cfc\u5165\u3057\u305fRaspberry Pi\u3000B+\u3060\u304c\u3001Raspberry Pi\u306e\u96fb\u6e90\u3092\u5165\u308c\u3066\u3001PC\u304b\u3089SSH\u3067\u30ed\u30b0\u30a4\u30f3\u3057\u3088\u3046\u3068\u601d\u3046\u3068\u898b\u3064\u304b\u3089\u306a\u3044(^-^; \u30eb\u30fc\u30bf\u30fc\u3067Mac\u30a2\u30c9\u30ec\u30b9\u3067\u56fa\u5b9aIP\u3092\u632f\u308b\u3088\u3046\u306b\u3057\u305f\u306e\u3067IP\u306f\u5e38\u306b\u540c\u3058\u3002 […]","protected":false},"author":1,"featured_media":13295,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","enabled":false},"version":2}},"categories":[31,29],"tags":[2667],"class_list":["post-13288","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-raspberry-pi","category-development","tag-raspberry-pi"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/meiya.jp\/wp-content\/uploads\/2014\/09\/20140910-193018.jpg","jetpack_shortlink":"https:\/\/wp.me\/p4sjfI-3sk","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/meiya.jp\/index.php?rest_route=\/wp\/v2\/posts\/13288","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/meiya.jp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/meiya.jp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/meiya.jp\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/meiya.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=13288"}],"version-history":[{"count":4,"href":"https:\/\/meiya.jp\/index.php?rest_route=\/wp\/v2\/posts\/13288\/revisions"}],"predecessor-version":[{"id":13345,"href":"https:\/\/meiya.jp\/index.php?rest_route=\/wp\/v2\/posts\/13288\/revisions\/13345"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/meiya.jp\/index.php?rest_route=\/wp\/v2\/media\/13295"}],"wp:attachment":[{"href":"https:\/\/meiya.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=13288"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/meiya.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=13288"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/meiya.jp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=13288"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}