\u6ce8\u610f\uff0c\u4f60\u53ef\u4ee5\u770b\u5230\u5b83\u548c\u4f20\u7edf\u7684 init \u811a\u672c\u4e4b\u95f4\u7684\u5dee\u5f02\uff0c\u4e3a\u4e86\u7b80\u5355\u8d77\u89c1\uff0cvde_switch \u5e76\u6ca1\u6709\u542f\u52a8\u4e3a\u5b88\u62a4\u8fdb\u7a0b\uff0c\u5b9e\u9645\uff0csystemd \u4e5f\u53ef\u4ee5\u542f\u52a8\u6210\u771f\u6b63\u7684\u5b88\u62a4\u8fdb\u7a0b\uff0c\u4f60\u53ea\u9700\u8981\u628a vde.service \u6539\u6210\u4e0b\u9762\u7684\u6837\u5b50\u3002<\/p>\n
[Unit]\r\nDescription=Virtual Distributed Ethernet\r\n\r\n[Service]\r\nType=forking\r\n# The PID file is optional, but recommended in the manpage\r\n# \"so that systemd can identify the main process of the daemon\"\r\nPIDFile=\/var\/run\/vde.pid\r\nExecStart=\/usr\/bin\/vde_switch --tap tap0 --mode 0660 \\\r\n --dirmode 0750 --group qemu \\\r\n --daemon --pidfile \/var\/run\/vde.pid\r\n\r\n[Install]\r\nWantedBy=multi-user.target<\/pre>\n\u5bf9\u4e8e\u8fd9\u4e24\u79cd\u65b9\u5f0f\uff0c\u5982\u679c\u53ea\u662f\u5355\u72ec\u7684 vde \uff0c\u57fa\u672c\u6ca1\u6709\u533a\u522b\uff0c\u4ed6\u4eec\u7684\u4e3b\u8981\u533a\u522b\u5728\u4e8e\u4f1a\u5f71\u54cd systemd \u5904\u7406\u4f9d\u8d56\u5173\u7cfb\u7684\u65b9\u5f0f\u3002\u5982\u679c\u5176\u5b83\u4e00\u4e9b\u670d\u52a1\u4f9d\u8d56\u4e8e vde\uff0c\u90a3\u4e48\u7b2c\u4e00\u79cd\u65b9\u5f0f\u4e0b\uff0csystemd \u4f1a\u5728 vde \u670d\u52a1\u542f\u52a8\u65f6\u5019\u5c3d\u5feb\u7684\u8fd0\u884c\u8fd9\u4e9b\u670d\u52a1\uff0c\u7b2c\u4e8c\u79cd\u65b9\u5f0f\u4e0b\uff0csystemd \u4f1a\u7b49\u5f85 vde \u670d\u52a1\u542f\u52a8\u5b8c\u6210\uff0c\u56e0\u4e3a vde \u670d\u52a1\u4f1a\u5efa\u7acb control socket\u3002\u800c\u7b2c\u4e00\u79cd\u65b9\u5f0f\u4e0b\uff0c\u6709\u53ef\u80fd\u5728 vde \u7684 control socket \u6ca1\u6709\u5efa\u7acb\u7684\u65f6\u5019\u5c31\u8fde\u63a5\u5b83\u8fd9\u4e2a\u670d\u52a1\u3002<\/p>\n
\u4e09\u3001\u81ea\u52a8\u91cd\u542f\u52a8<\/p>\n
\u6211\u4eec\u8fd8\u53ef\u4ee5\u6dfb\u52a0\u9002\u5f53\u7684\u4f9d\u8d56\u5173\u7cfb\uff0c\u6bd4\u5982\u8ba9 vde \u5728 syslog \u670d\u52a1\u540e\u542f\u52a8\uff0c\u8fd8\u53ef\u4ee5\u544a\u8bc9 systemd \u5982\u679c vde \u5d29\u6e83\u4e86\uff0c\u90a3\u4e48\u91cd\u65b0\u542f\u52a8\u5b83\u3002<\/p>\n
[Unit]\r\nDescription=Virtual Distributed Ethernet\r\nAfter=syslog.target\r\n\r\n[Service]\r\nType=forking\r\nPIDFile=\/var\/run\/vde.pid\r\nExecStart=\/usr\/bin\/vde_switch --tap tap0 --mode 0660 \\\r\n --dirmode 0750 --group qemu \\\r\n --daemon --pidfile \/var\/run\/vde.pid\r\nRestart=on-abort\r\n\r\n[Install]\r\nWantedBy=multi-user.target<\/pre>\n\u73b0\u5728\u8bd5\u8bd5\u542f\u52a8 vde \u670d\u52a1\uff0c\u7136\u540e\u8ba9\u5b83\u5d29\u6e83\uff0c\u5c31\u4f1a\u6709\u4e0b\u9762\u7684\u7ed3\u679c\u3002<\/p>\n
home ~ # systemctl start vde.service<\/b>\r\nhome ~ # systemctl status vde.service<\/b>\r\nvde.service - Virtual Distributed Ethernet\r\n Loaded: loaded (\/etc\/systemd\/system\/vde.service)\r\n Active: active (running) since Tue, 04 Jan 2011 22:08:10 +0500;\r\n15s ago\r\n Process: 31434 (\/usr\/bin\/vde_switch --tap tap0...,\r\ncode=exited, status=0\/SUCCESS)\r\n Main PID: 31435 (vde_switch)\r\n CGroup: name=systemd:\/system\/vde.service\r\n \u2514 31435 \/usr\/bin\/vde_switch --tap tap0...\r\nhome ~ # kill -SEGV 31435<\/b>\r\nhome ~ # systemctl status vde.service<\/b>\r\nvde.service - Virtual Distributed Ethernet\r\n Loaded: loaded (\/etc\/systemd\/system\/vde.service)\r\n Active: failed since Tue, 04 Jan 2011 22:11:27 +0500;\r\n4s ago\r\n Process: 31503 (\/usr\/bin\/vde_switch --tap tap0...,\r\ncode=exited, status=0\/SUCCESS)\r\n Main PID: 31504 (code=exited, status=1\/FAILURE)\r\n CGroup: name=systemd:\/system\/vde.service\r\n\r\n\u53ef\u4ee5\u770b\u5230\uff0c\u91cd\u542f\u52a8\u867d\u7136\u5f00\u59cb\u4e86\uff0c\u4f46\u662f\u6ca1\u6709\u628a vde \u670d\u52a1\u542f\u52a8\u8d77\u6765\uff0c\u7cfb\u7edf\u65e5\u5fd7\u4f1a\u544a\u8bc9\u6211\u4eec\u539f\u56e0\u3002\r\n\r\nJan 4 22:11:27 home vde_switch[31504]: Error in pidfile creation: File exists\r\n\r\npid \u6587\u4ef6\u4ecd\u7136\u5b58\u5728\uff0c\u6240\u4ee5\u65e0\u6cd5\u542f\u52a8 vde\u3002\u6709\u4e24\u4e2a\u529e\u6cd5\u89e3\u51b3\u5b83\uff0c\u8981\u4e48\u544a\u8bc9 systemd \u8fd0\u884c\u4e4b\u524d\u5148\u5220\u6389\u539f\u6765\u7684 PID \u6587\u4ef6\uff0c\u8981\u4e48\u653e\u5f03\u4f7f\u7528 PID \u6587\u4ef6\u3002\u7b2c\u4e00\u79cd\u7684 .service \u6587\u4ef6\u5199\u6cd5\u5982\u4e0b\uff1a<\/pre>\n[Unit]\r\nDescription=Virtual Distributed Ethernet\r\nAfter=syslog.target\r\n\r\n[Service]\r\nType=forking\r\nPIDFile=\/var\/run\/vde.pid\r\n# Note the -f: don't fail if there is no PID file\r\nExecStartPre=\/bin\/rm -f \/var\/run\/vde.pid\r\nExecStart=\/usr\/bin\/vde_switch --tap tap0 --mode 0660 \\\r\n --dirmode 0750 --group qemu \\\r\n --daemon --pidfile \/var\/run\/vde.pid\r\nRestart=on-abort\r\n\r\n[Install]\r\nWantedBy=multi-user.target<\/pre>\n\u7b2c\u4e8c\u79cd\u7684\u4e0d\u5199\u4e86\u3002<\/p>\n
\u56db\u3001\u914d\u7f6e\u6587\u4ef6<\/p>\n
\u8bb8\u591a\u542f\u52a8\u811a\u672c\u6709\u914d\u7f6e\u6587\u4ef6\uff0c\u4ee5\u4fbf\u7528\u6237\u53ef\u4ee5\u5b9a\u5236\u4ed6\u4eec\u81ea\u5df1\u7684\u542f\u52a8\u53c2\u6570\u3002\u4e3e\u4e2a\u4f8b\u5b50\uff0c\u4e00\u4e9b\u7528\u6237\u53ef\u4ee5\u7ed9 vde_switch \u4f20\u9012 –hub \u53c2\u6570\uff0c\u5176\u5b83\u4eba\u53ef\u80fd\u60f3\u542f\u7528\u7ba1\u7406 socket\u3002\u5728 Gentoo \u4e2d\u7684\u4f20\u7edf\u811a\u672c\u914d\u7f6e\u662f\u8fd9\u6837\u7684\uff08Magic \u7684\u8001\u811a\u672c\u4e5f\u662f\u4e00\u6837<\/span>\uff09\uff1a<\/p>\n# load the tun module\r\nVDE_MODPROBE_TUN=\"yes\"\r\n# virtual tap networking device to be used for vde\r\nVDE_TAP=\"tap0\"\r\n# mode and group for the socket\r\nVDE_SOCK_CHMOD=\"770\"\r\nVDE_SOCK_CHOWN=\":qemu\"\r\n\r\n# This is the actual options string passed to VDE.\r\n# Change this at your own risk.\r\nVDE_OPTS=\"--tap ${VDE_TAP} -daemon\"<\/pre>\nsystemd \u901a\u5e38\u4f7f\u7528\u4e00\u4e2a\u952e\u503c\u3000EnvironmentFile\u3000\u6765\u63d0\u4f9b\u4e00\u4e2a\u914d\u7f6e\u6587\u4ef6\uff0c\u8ba9\u7528\u6237\u53ef\u4ee5\u6309\u81ea\u5df1\u7684\u9700\u8981\u5b9a\u5236\u670d\u52a1\u3002<\/p>\n
\u4f20\u7edf\u7684\u811a\u672c\u662f source \u914d\u7f6e\u6587\u4ef6\uff0c\u56e0\u6b64\uff0c\u4efb\u4f55\/bin\/sh\u652f\u6301\u7684\u8bed\u6cd5\u90fd\u53ef\u4ee5\u7528\u5728\u914d\u7f6e\u6587\u4ef6\u4e2d\u3002\u6240\u4ee5\u8bf7\u5c3d\u91cf\u4e0d\u8981\u5728\u4f20\u7edf\u7684\u811a\u672c\u548c systemd \u7684\u914d\u7f6e\u4e2d\u4f7f\u7528\u540c\u6837\u7684\u914d\u7f6e\u6587\u4ef6\uff08\u8fd9\u4e2a\u5bf9 Magic \u6765\u8bf4\u57fa\u672c\u4e0d\u662f\u95ee\u9898<\/span>\uff09\u3002\u56e0\u4e3a systemd \u548c\u4f20\u7edf\u811a\u672c\u7684\u5904\u7406\u65b9\u6cd5\u662f\u4e0d\u540c\u7684\u3002\u5f53\u7136\uff0c\u4e0a\u9762\u7684\u6587\u4ef6\u662f\u6ca1\u529e\u6cd5\u76f4\u63a5\u5728 systemd \u4e2d\u4f7f\u7528\u7684\uff0c\u56e0\u4e3a systemd \u7684\u914d\u7f6e\u6587\u4ef6\u4e0d\u652f\u6301\u53d8\u91cf\u63d2\u503c\u7684\u3002\u5047\u5982\u6211\u4eec\u4e3e\u4e00\u4e2a\u4f8b\u5b50\uff0c\u5728\u00a0\/etc\/conf.d\/vde2 \u4e2d\u5199\u4e0b\u5982\u4e0b\u7684\u5185\u5bb9\uff1a<\/p>\nVDE_OPTS=\"--tap tap0 --mode 0660 --dirmode 0750 --group qemu\"<\/pre>\n\u7136\u540e\u4fee\u6539 vde.service \u4e3a\u4e0b\u9762\u7684\u6837\u5b50\uff1a<\/p>\n
[Unit]\r\nDescription=Virtual Distributed Ethernet\r\nAfter=syslog.target\r\n\r\n[Service]\r\nType=forking\r\nEnvironmentFile=\/etc\/conf.d\/vde2\r\nExecStart=\/usr\/bin\/vde_switch --daemon $VDE_OPTS\r\nRestart=on-abort\r\n\r\n[Install]\r\nWantedBy=multi-user.target<\/pre>\n\u8fd0\u884c\u4ee5\u540e\uff0c\u4f1a\u5f97\u4e0d\u5230\u60f3\u8981\u7684\u7ed3\u679c\uff0c\u56e0\u4e3a systemd \u4f1a\u628a\u53cc\u5f15\u53f7\u5185\u7684\u90e8\u5206\u505a\u4e3a\u4e00\u4e2a\u53c2\u6570\u4f20\u9012\uff0c\u6240\u4ee5\uff0c\u5728systemd\u7684\u914d\u7f6e\u6587\u4ef6\u4e2d\uff0c\u53d8\u91cf\u5c31\u65e0\u9700\u4f7f\u7528\u53cc\u5f15\u53f7\uff0c\u50cf\u4e0b\u9762\u8fd9\u6837\u5c31\u884c\u4e86\uff1a<\/p>\n
VDE_OPTS=–tap tap0 –mode 0660 –dirmode 0750 –group qemu<\/p>\n
\u8fd9\u548c bash\u662f\u4e0d\u540c\u7684\u3002<\/p>\n
\u6ce8\uff1a\u8fd9\u7bc7\u6587\u7ae0\u57fa\u672c\u4e0a\u662f\u7ffb\u8bd1\u7684\u8fd9\u91cc\u7684\u6587\u7ae0<\/span><\/a><\/span>\uff0c\u611f\u8c22\u539f\u4f5c\u8005\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u4e00\u3001\u80cc\u666f\u77e5\u8bc6 systemd \u662f\u7528\u6765\u66ff\u6362\u8001\u7684 sysvinit \u542f\u52a8\u811a\u672c\u7684\uff0c\u5b83\u6709\u5f88\u591a\u4f18\u70b9\u3002.service \u6587 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0,"footnotes":""},"categories":[5],"tags":[],"class_list":["post-228","post","type-post","status-publish","format-standard","hentry","category-magiclinux"],"_links":{"self":[{"href":"https:\/\/www.321211.xyz\/index.php?rest_route=\/wp\/v2\/posts\/228","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.321211.xyz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.321211.xyz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.321211.xyz\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.321211.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=228"}],"version-history":[{"count":5,"href":"https:\/\/www.321211.xyz\/index.php?rest_route=\/wp\/v2\/posts\/228\/revisions"}],"predecessor-version":[{"id":232,"href":"https:\/\/www.321211.xyz\/index.php?rest_route=\/wp\/v2\/posts\/228\/revisions\/232"}],"wp:attachment":[{"href":"https:\/\/www.321211.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=228"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.321211.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=228"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.321211.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=228"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}