\u6253\u7b97\u5728\u8df3\u677f\u673a\u4e0a\u5199\u4e00\u4e2ashell\u811a\u672c\uff0c\u6279\u91cf\u68c0\u67e5\u8fdc\u7a0b\u670d\u52a1\u5668\u4e0a\u7684main\u8fdb\u7a0b\u662f\u5426\u5728\u5065\u5eb7\u8fd0\u884c\u4e2d\u3002<\/p>\n

\u5148\u627e\u51fa\u5176\u4e2d\u4e00\u53f0\u8fdc\u7a0b\u673a\u5668\uff0c\u67e5\u770bmain\u8fdb\u7a0b\u8fd0\u884c\u60c5\u51b5<\/strong><\/div>\n
[root@two002 tmp]# ps -ef|grep main\r\nroot 23448 23422 0 11:40 pts\/0 00:00:00 grep --color=auto main\r\n \r\n[root@two002 tmp]# ps -ef|grep main|grep -v grep|wc -l\r\n0\r\n<\/pre>\n
shell\u68c0\u67e5\u811a\u672c\u5982\u4e0b<\/strong><\/div>\n
\r\n[root@two002 tmp]# cat \/tmp\/main_check.sh\r\n#!\/bin\/bash\r\nNUM=$(ps -ef|grep main|grep -v grep|wc -l)\r\nif [ $NUM -eq 0 ];then\r\n echo \"It's not good! main is stoped!\"\r\nelse\r\n echo \"Don't worry! main is running!\"\r\nfi<\/pre>\n
\u6267\u884c\u811a\u672c<\/strong><\/div>\n
[root@two002 tmp]# sh -x \/tmp\/main_check.sh\r\n++ grep main\r\n++ grep -v grep\r\n++ wc -l\r\n++ ps -ef\r\n+ NUM=2\r\n+ '[' 2 -eq 0 ']'\r\n+ echo 'Don'\\''t worry! main is running!'\r\nDon't worry! main is running!\r\n \r\n[root@two002 tmp]# sh \/tmp\/main_check.sh\r\nDon't worry! main is running!<\/pre>\n
\u5982\u4e0a\u6267\u884c\u7ed3\u679c\uff0c\u53d1\u73b0\u811a\u672c\u6267\u884c\u8fc7\u7a0b\u4e2d\uff0c\u770b\u5230\u8d4b\u4e88NUM\u53c2\u6570\u7684\u7ed3\u679c\u503c\u662f2\uff01\u4f46\u662f\u624b\u52a8\u6267\u884cps -ef|grep main|grep -v grep|wc -l\u7684\u7ed3\u679c\u660e\u660e\u662f0\uff01\uff01
\n\u8fd9\u662f\u7531\u4e8egrep\u5339\u914d\u7684\u95ee\u9898\uff0c\u9700\u8981grep\u8fdb\u884c\u7cbe\u51c6\u5339\u914d\uff0c\u5373\"grep -w\"\u3002\u8fd9\u5c31\u9700\u8981\u5c06main_check.sh\u811a\u672c\u5185\u5bb9\u4fee\u6539\u5982\u4e0b\uff1a<\/p>\n
[root@two002 tmp]# cat \/tmp\/main_check.sh\r\n#!\/bin\/bash\r\nNUM=$(ps -ef|grep -w main|grep -v grep|wc -l)\r\nif [ $NUM -eq 0 ];then\r\n echo \"Oh!My God! It's broken! main is stoped!\"\r\nelse\r\n echo \"Don't worry! main is running!\"\r\nfi<\/pre>\n
\u518d\u6b21\u6267\u884c\u68c0\u67e5\u811a\u672c\uff0c\u5c31OK\u4e86<\/strong><\/div>\n
[root@two002 tmp]# sh -x \/tmp\/main_check.sh\r\n++ grep -w main\r\n++ grep -v grep\r\n++ wc -l\r\n++ ps -ef\r\n+ NUM=0\r\n+ '[' 0 -eq 0 ']'\r\n+ echo 'Oh!My God! It'\\''s broken! main is stoped!'\r\nOh!My God! It's broken! main is stoped!\r\n \r\n[root@two002 tmp]# sh \/tmp\/main_check.sh\r\nOh!My God! It's broken! main is stoped!<\/pre>\n
\u6545\u5728\u8df3\u677f\u673a\u4e0a\uff0c\u6279\u91cf\u68c0\u67e5\u8fdc\u7a0b\u670d\u52a1\u5668\u7684main\u8fdb\u7a0b\u8fd0\u884c\u72b6\u6001\u7684\u811a\u672c\u4e3a\uff1a<\/strong><\/div>\n
[root@tiaoban ~]# cat \/usr\/bin\/main_check\r\n#!\/bin\/bash\r\nNUM=$(ps -ef|grep -w main|grep -v grep|wc -l)\r\nif [ $NUM -eq 0 ];then\r\n echo \"Oh!My God! It's broken! main is stoped!\"\r\nelse\r\n echo \"Don't worry! main is running!\"\r\nfi\r\n \r\n[root@tiaoban ~]# cat \/opt\/script\/main_check.sh\r\n#!\/bin\/bash\r\n \r\nfor i in $(cat \/opt\/ip.list)\r\ndo\r\n\/usr\/bin\/rsync -e \"ssh -p22\" -avpgolr \/usr\/bin\/main_check $i:\/usr\/bin\/ > \/dev\/null 2>&1\r\nssh -p22 root@$i \"echo $i;sh \/usr\/bin\/main_check\"\r\ndone\u3000\u3000<\/pre>\n","protected":false},"excerpt":{"rendered":"
\u6253\u7b97\u5728\u8df3\u677f\u673a\u4e0a\u5199\u4e00\u4e2ashell\u811a\u672c\uff0c\u6279\u91cf\u68c0\u67e5\u8fdc\u7a0b\u670d\u52a1\u5668\u4e0a\u7684main\u8fdb\u7a0b\u662f\u5426\u5728\u5065\u5eb7\u8fd0\u884c\u4e2d\u3002 [root@two0 […]<\/p>\n","protected":false},"author":1482,"featured_media":126332,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[55],"tags":[],"class_list":["post-126328","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-thread"],"acf":[],"_links":{"self":[{"href":"https:\/\/gulass.cn\/wp-json\/wp\/v2\/posts\/126328","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gulass.cn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/gulass.cn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/gulass.cn\/wp-json\/wp\/v2\/users\/1482"}],"replies":[{"embeddable":true,"href":"https:\/\/gulass.cn\/wp-json\/wp\/v2\/comments?post=126328"}],"version-history":[{"count":6,"href":"https:\/\/gulass.cn\/wp-json\/wp\/v2\/posts\/126328\/revisions"}],"predecessor-version":[{"id":126345,"href":"https:\/\/gulass.cn\/wp-json\/wp\/v2\/posts\/126328\/revisions\/126345"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/gulass.cn\/wp-json\/wp\/v2\/media\/126332"}],"wp:attachment":[{"href":"https:\/\/gulass.cn\/wp-json\/wp\/v2\/media?parent=126328"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gulass.cn\/wp-json\/wp\/v2\/categories?post=126328"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gulass.cn\/wp-json\/wp\/v2\/tags?post=126328"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}