{"id":266,"date":"2010-06-22T16:19:20","date_gmt":"2010-06-22T13:19:20","guid":{"rendered":"http:\/\/skeletor.org.ua\/?p=266"},"modified":"2016-10-14T14:21:05","modified_gmt":"2016-10-14T11:21:05","slug":"%d0%bf%d0%be%d0%bb%d0%b5%d0%b7%d0%bd%d0%be%d1%81%d1%82%d0%b8-%d0%bf%d1%80%d0%b8-%d1%80%d0%b0%d0%b1%d0%be%d1%82%d0%b5-%d1%81-shell","status":"publish","type":"post","link":"https:\/\/skeletor.org.ua\/?p=266","title":{"rendered":"[shell] \u041f\u043e\u043b\u0435\u0437\u043d\u043e\u0441\u0442\u0438 \u043f\u0440\u0438 \u0440\u0430\u0431\u043e\u0442\u0435 \u0441 shell"},"content":{"rendered":"

1)\u041f\u043e\u0441\u0442\u0440\u043e\u0447\u043d\u043e\u0435 \u0441\u0447\u0438\u0442\u044b\u0432\u0430\u0435\u043d\u0438\u0435.<\/span><\/strong><\/p>\n

#!\/bin\/sh
\nwhile read myline
\ndo
\necho $myline
\ndone < inputfile
\n<\/code>
\n<\/p>\n

2)\u0418\u043d\u043a\u0440\u0435\u043c\u0435\u043d\u0442 \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u043e\u0439.<\/span><\/strong><\/p>\n

count=`expr $count + 1`<\/code><\/p>\n

3) \u041f\u0435\u0440\u0435\u043d\u0430\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u0432\u044b\u0432\u043e\u0434\u0430:<\/span><\/strong><\/p>\n

\u0412\u043e\u0442 \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u043e \u0432\u0430\u0440\u0438\u0430\u043d\u0442\u043e\u0432:<\/p>\n

#(exim -bv -v -d+all user@domain.ua 2>&1) > \/tmp\/test
\n#exim -bv -v -d+all user@domain.ua >\/tmp\/test2 2>&1<\/code><\/p>\n

4) \u0418\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u043c and, or \u0432 \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440\u0435 if<\/span><\/strong><\/p>\n

\u0412 \u0434\u0430\u043d\u043d\u043e\u043c \u043f\u0440\u0438\u043c\u0435\u0440\u0435 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044e\u0442\u0441\u044f \u0443\u0441\u043b\u043e\u0432\u0438\u044f\u00a0“$count_inet” > 7<\/strong> \u0438 \u043e\u0434\u043d\u043e\u0432\u0440\u0435\u043c\u0435\u043d\u043d\u043e\u00a0“$count_gw” > 7<\/strong>. \u0414\u043b\u044f \u044d\u0442\u043e\u0433\u043e \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u043c -a<\/strong>. \u0415\u0441\u043b\u0438 \u043d\u0443\u0436\u043d\u043e \u0441\u0434\u0435\u043b\u0430\u0442\u044c \u0443\u0441\u043b\u043e\u0432\u0438\u0435 or \u0442\u043e\u0433\u0434\u0430 \u0441\u0442\u0430\u0432\u0438\u043c \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440 -o<\/strong><\/p>\n

if [ \"$count_inet\" -gt 7 -a \u00a0\"$count_gw\" -gt 7 ]
\nthen
\necho \"Ping Ok\"
\nelse
\necho \"Ping down\"
\nfi<\/code><\/p>\n

5) \u0426\u0438\u043a\u043b while<\/span><\/strong><\/p>\n

#!\/bin\/sh
\ncount=\"0\"
\nwhile [ $count -lt \"55\" ]
\ndo
\ncount=`expr $count + 1`
\nroute add -host `nslookup fs${count}.ex.ua | grep Address: | grep -v '#53' | awk '{print $2}'` 1.1.1.1
\ndone<\/code><\/p>\n

6) \u041f\u0435\u0440\u0435\u043d\u0430\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u0432 blackhole<\/span><\/strong><\/p>\n

> \/dev\/null 2>&1<\/code><\/p>\n

\u0415\u0441\u043b\u0438 \u0443 \u0432\u0430\u0441 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f\u00a0pipe<\/strong>, \u0438\u043b\u0438 \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u043e \u043a\u043e\u043c\u0430\u043d\u0434 \u0438 \u043d\u0443\u0436\u043d\u043e \u043f\u0435\u0440\u0435\u043d\u0430\u043f\u0440\u0430\u0432\u0438\u0442\u044c \u0432\u044b\u0432\u043e\u0434 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u0430, \u0442\u043e\u0433\u0434\u0430 \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u043c \u043a\u0440\u0443\u0433\u043b\u044b\u0435 \u0441\u043a\u043e\u0431\u043a\u0438:<\/p>\n

\u041f\u0440\u0438\u043c\u0435\u04401<\/em><\/strong><\/p>\n

(command1 | command2) > \/dev\/null 2>&1<\/code><\/p>\n

\u041f\u0440\u0438\u043c\u0435\u04402<\/em><\/strong><\/p>\n

(command1 ; command2 | command3) > \/dev\/null 2>&1<\/code><\/p>\n

7) awk \u0438\u043b\u0438 cut?<\/span><\/strong><\/p>\n

\u0414\u043b\u044f “\u0432\u044b\u0440\u0435\u0437\u0430\u043d\u0438\u044f” \u043f\u043e\u043b\u0435\u0439 \u043c\u043e\u0436\u043d\u043e \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0442\u044c \u043a\u0430\u043a awk<\/strong>, \u0442\u0430\u043a \u0438 cut<\/strong>. \u0414\u043b\u044f \u043c\u0430\u043b\u0435\u043d\u044c\u043a\u0438\u0445 \u0444\u0430\u0439\u043b\u043e\u0432, \u0440\u0430\u0437\u043d\u0438\u0446\u0430 \u043d\u0435 \u0432\u0438\u0434\u043d\u0430, \u043d\u043e \u0434\u043b\u044f \u0444\u0430\u0439\u043b\u043e\u0432 \u0432 \u043f\u0430\u0440\u0443 \u0441\u043e\u0442 \u041c\u0411 \u0438\u043b\u0438 \u0434\u0430\u0436\u0435 \u0413\u0431, \u0441\u043a\u043e\u0440\u043e\u0441\u0442\u044c \u043e\u0449\u0443\u0442\u0438\u043c\u0430 \u0432 \u043f\u043e\u043b\u044c\u0437\u0443 cut<\/strong>.<\/p>\n

8 ) \u041f\u043e\u0441\u0442\u0440\u043e\u0447\u043d\u043e\u0435 \u0441\u0447\u0438\u0442\u044b\u0432\u0430\u043d\u0438\u0435 \u0438\u0437 \u0432\u044b\u0432\u043e\u0434\u0430 \u043a\u043e\u043c\u0430\u043d\u0434\u044b<\/span><\/strong><\/p>\n

\u041d\u0443\u0436\u043d\u043e \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u0430\u0442\u044c \u0432\u044b\u0432\u043e\u0434 \u043a\u043e\u043c\u0430\u043d\u0434\u044b ps -efc | grep nginx<\/strong>, \u043f\u0440\u0438\u0447\u0451\u043c \u043f\u043e\u0441\u0442\u0440\u043e\u0447\u043d\u043e.<\/p>\n

out=`ps -efc | grep nginx`\r\nwhile IFS= read -r myline\r\ndo\r\n  out_array=(`${ECHO} $myline | ${AWK} '{print $3,$4,$8}' | ${TR} -d \"M\"`)\r\n  virtual_memory=`expr $virtual_memory + ${out_array[0]}`\r\n  physical_memory=`expr $physical_memory + ${out_array[1]}`\r\n  cpu_time=`expr $cpu_time + ${out_array[2]}`\r\ndone <<< \"$out\"\r\n<\/pre>\n
9) \u0414\u043e\u043f\u043e\u043b\u043d\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0435 \u043c\u0430\u0442\u0435\u0440\u0438\u0430\u043b\u044b<\/p>\n
\u041f\u043e\u0434\u0432\u043e\u0434\u043d\u044b\u0435 \u043a\u0430\u043c\u043d\u0438 Bash<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"
1)\u041f\u043e\u0441\u0442\u0440\u043e\u0447\u043d\u043e\u0435 \u0441\u0447\u0438\u0442\u044b\u0432\u0430\u0435\u043d\u0438\u0435. #!\/bin\/sh while read myline do echo $myline done < inputfile<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10],"tags":[],"class_list":["post-266","post","type-post","status-publish","format-standard","hentry","category-others"],"_links":{"self":[{"href":"https:\/\/skeletor.org.ua\/index.php?rest_route=\/wp\/v2\/posts\/266","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/skeletor.org.ua\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/skeletor.org.ua\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/skeletor.org.ua\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/skeletor.org.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=266"}],"version-history":[{"count":12,"href":"https:\/\/skeletor.org.ua\/index.php?rest_route=\/wp\/v2\/posts\/266\/revisions"}],"predecessor-version":[{"id":5051,"href":"https:\/\/skeletor.org.ua\/index.php?rest_route=\/wp\/v2\/posts\/266\/revisions\/5051"}],"wp:attachment":[{"href":"https:\/\/skeletor.org.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=266"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/skeletor.org.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=266"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/skeletor.org.ua\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=266"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}