\u4eca\u5929\u78b0\u5230\u4e00\u4e2a\u95ee\u9898\uff1a\u5982\u4f55\u7528Shell\u5b9e\u73b0\u5b9e\u65f6\u76d1\u63a7\u7f51\u5361\u6d41\u91cf\uff1f<\/p>\n
\u4e0d\u6e05\u695a\uff0c\u4e8e\u662f\u641c\u7d22\uff1a{http:\/\/cn.bing.com\/search?q=linux+real+time+network+speed+shell<\/a>}<\/p>\n <\/p>\n \u4eca\u5929\u78b0\u5230\u4e00\u4e2a\u95ee\u9898\uff1a\u5982\u4f55\u7528Shell\u5b9e\u73b0\u5b9e\u65f6\u76d1\u63a7\u7f51\u5361\u6d41\u91cf\uff1f \u4e0d\u6e05\u695a\uff0c\u4e8e\u662f\u641c\u7d22\uff1a{http:\/\/cn.bing.c […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11,6,12],"tags":[246,247],"class_list":["post-645","post","type-post","status-publish","format-standard","hentry","category-linux","category-other","category-tools","tag-eth0","tag-ifconfig"],"views":3845,"_links":{"self":[{"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/posts\/645","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/comments?post=645"}],"version-history":[{"count":0,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/posts\/645\/revisions"}],"wp:attachment":[{"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/media?parent=645"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/categories?post=645"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/tags?post=645"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}# 1.\u901a\u8fc7ifconfig\u547d\u4ee4<\/h5>\n
#!\/bin\/bash\nwhile : ; do\n time=`date +%Y\"-\"%m\"-\"%d\" \"%k\":\"%M`\n nic=`ifconfig |grep eth|awk '{print $1}'`\n rx_before=`ifconfig $nic|sed -n \"8\"p|awk '{print $2}'|cut -c7-`\n tx_before=`ifconfig $nic|sed -n \"8\"p|awk '{print $6}'|cut -c7-`\n sleep 2\n rx_after=`ifconfig $nic|sed -n \"8\"p|awk '{print $2}'|cut -c7-`\n tx_after=`ifconfig $nic|sed -n \"8\"p|awk '{print $6}'|cut -c7-`\n rx_result=$[(rx_after-rx_before)\/256]\n tx_result=$[(tx_after-tx_before)\/256]\n echo \"$time In_Speed: \"$rx_result\"kbps Out_Speed: \"$tx_result\"kbps\"\n sleep 2\ndone<\/pre>\n# 2.\u901a\u8fc7\u8bfb\u53d6”\/proc\/net\/dev”\u6587\u4ef6<\/h5>\n
awk 'BEGIN{\nOFMT=\"%.3f\";\ndevf=\"\/proc\/net\/dev\";\nwhile((\"cat \"devf) | getline)\n{\n if($0 ~ \/:\/ && ($10+0) > 0)\n {\n split($1,tarr,\":\");\n net[tarr[1]]=$10+tarr[2];\n print tarr[1],$10+tarr[2];\n }\n}\nclose(devf);\nwhile((system(\"sleep 1 \")) >=0)\n{\n system(\"clear\");\n while( getline < devf )\n {\n if($0 ~ \/:\/ && ($10+0) > 0)\n {\n split($1,tarr,\":\");\n if(tarr[1] in net)\n {\n print tarr[1],\":\",($10+tarr[2]-net[tarr[1]])*8\/1024,\"kb\/s\";\n net[tarr[1]]=$10+tarr[2];\n }\n }\n }\n close(devf);\n}\n}'<\/pre>\n# 3.\u901a\u8fc7\u8bfb\u53d6”\/sys\/class\/net\/eth0\/statistics\/rx_bytes”\u7b49\u6587\u4ef6\u5185\u5bb9{\u5728\/sys\/class\/net\/eth0\/statistics\/\u76ee\u5f55\u4e0b\u8fd8\u6709\u66f4\u591a\u7684\u7edf\u8ba1\u4fe1\u606f}<\/h5>\n
#!\/bin\/bash\nif [ -z \"$1\" ]; then\n echo\n echo Usage:\t.\/$0 network-interface\n echo\n echo Example:\t.\/$0 eth0\n echo\n exit\nfi\nIF=$1\nwhile true\ndo\n R1=`cat \/sys\/class\/net\/$1\/statistics\/rx_bytes`\n T1=`cat \/sys\/class\/net\/$1\/statistics\/tx_bytes`\n sleep 1\n R2=`cat \/sys\/class\/net\/$1\/statistics\/rx_bytes`\n T2=`cat \/sys\/class\/net\/$1\/statistics\/tx_bytes`\n TBPS=`expr $T2 - $T1`\n RBPS=`expr $R2 - $R1`\n TKBPS=`expr $TBPS \/ 1024`\n RKBPS=`expr $RBPS \/ 1024`\n echo \"tx $1: $TKBPS kb\/snrx $1: $RKBPS kb\/s\"\ndone<\/pre>\n
# 4.\u901a\u8fc7\u7b2c\u4e09\u65b9\u5de5\u5177”nload\/ifstat\/iftop”<\/h5>\n
\u53c2\u8003\u7f51\u5740\uff1a<\/h6>\n
\n