标签：插件 log4j2 erro path test 日志 templates 实用 iso
[root@linux-node1 ~]# yum install nginx -y [root@linux-node1 ~]# vim /etc/nginx/nginx.conf #修改日志格式为json格式，并创建一个nginxweb的网站目录 log_format access_json ‘{"@timestamp":"$time_iso8601",‘ ‘"host":"$server_addr",‘ ‘"clientip":"$remote_addr",‘ ‘"size":$body_bytes_sent,‘ ‘"responsetime":$request_time,‘ ‘"upstreamtime":"$upstream_response_time",‘ ‘"upstreamhost":"$upstream_addr",‘ ‘"http_host":"$host",‘ ‘"url":"$uri",‘ ‘"domain":"$host",‘ ‘"xff":"$http_x_forwarded_for",‘ ‘"referer":"$http_referer",‘ ‘"status":"$status"}‘; access_log /var/log/nginx/access.log access_json; location /nginxweb { root html; index index.html index.htm; } [root@linux-node1 ~]# mkdir /usr/share/nginx/html/nginxweb [root@linux-node1 ~]# echo "<h1> welcome to use Nginx" > /usr/share/nginx/html/nginxweb/index.html [root@linux-node1 ~]# nginx -t nginx: the configuration file /etc/nginx/nginx.conf syntax is ok nginx: configuration file /etc/nginx/nginx.conf test is successful [root@linux-node1 ~]# systemctl start nginx
[root@linux-node1 ~]# vim /etc/logstash/conf.d/nginx-accesslog.conf input{ file { path => "/var/log/nginx/access.log" type => "nginx-access-log" start_position => "beginning" stat_interval => "2" } } output{ elasticsearch { hosts => ["192.168.56.11:9200"] index => "logstash-nginx-access-log-%{+YYYY.MM.dd}" } file { path => "/tmp/logstash-nginx-access-log-%{+YYYY.MM.dd}" } } [root@linux-node1 ~]# /usr/share/logstash/bin/logstash -f /etc/logstash/conf.d/nginx_access.conf -t [root@linux-node1 ~]# systemctl restart logstash
[root@linux-node1 ~]# ab -n1000 -c 100 http://192.168.56.11/nginxweb/index.html #对页面压测 [root@linux-node1 ~]# tailf /var/log/nginx/access.log #nginx的访问日志变成了json格式 {"@timestamp":"2017-12-27T16:38:17+08:00","host":"192.168.56.11","clientip":"192.168.56.11","size":26,"responsetime":0.000,"upstreamtime":"-","upstreamhost":"-","http_host":"192.168.56.11","url":"/nginxweb/index.html","domain":"192.168.56.11","xff":"-","referer":"-","status":"200"} {"@timestamp":"2017-12-27T16:38:17+08:00","host":"192.168.56.11","clientip":"192.168.56.11","size":26,"responsetime":0.000,"upstreamtime":"-","upstreamhost":"-","http_host":"192.168.56.11","url":"/nginxweb/index.html","domain":"192.168.56.11","xff":"-","referer":"-","status":"200"} {"@timestamp":"2017-12-27T16:38:17+08:00","host":"192.168.56.11","clientip":"192.168.56.11","size":26,"responsetime":0.000,"upstreamtime":"-","upstreamhost":"-","http_host":"192.168.56.11","url":"/nginxweb/index.html","domain":"192.168.56.11","xff":"-","referer":"-","status":"200"} {"@timestamp":"2017-12-27T16:38:17+08:00","host":"192.168.56.11","clientip":"192.168.56.11","size":26,"responsetime":0.000,"upstreamtime":"-","upstreamhost":"-","http_host":"192.168.56.11","url":"/nginxweb/index.html","domain":"192.168.56.11","xff":"-","referer":"-","status":"200"} {"@timestamp":"2017-12-27T16:38:17+08:00","host":"192.168.56.11","clientip":"192.168.56.11","size":26,"responsetime":0.000,"upstreamtime":"-","upstreamhost":"-","http_host":"192.168.56.11","url":"/nginxweb/index.html","domain":"192.168.56.11","xff":"-","referer":"-","status":"200"} {"@timestamp":"2017-12-27T16:38:17+08:00","host":"192.168.56.11","clientip":"192.168.56.11","size":26,"responsetime":0.000,"upstreamtime":"-","upstreamhost":"-","http_host":"192.168.56.11","url":"/nginxweb/index.html","domain":"192.168.56.11","xff":"-","referer":"-","status":"200"} {"@timestamp":"2017-12-27T16:38:17+08:00","host":"192.168.56.11","clientip":"192.168.56.11","size":26,"responsetime":0.000,"upstreamtime":"-","upstreamhost":"-","http_host":"192.168.56.11","url":"/nginxweb/index.html","domain":"192.168.56.11","xff":"-","referer":"-","status":"200"} {"@timestamp":"2017-12-27T16:38:17+08:00","host":"192.168.56.11","clientip":"192.168.56.11","size":26,"responsetime":0.000,"upstreamtime":"-","upstreamhost":"-","http_host":"192.168.56.11","url":"/nginxweb/index.html","domain":"192.168.56.11","xff":"-","referer":"-","status":"200"} {"@timestamp":"2017-12-27T16:38:17+08:00","host":"192.168.56.11","clientip":"192.168.56.11","size":26,"responsetime":0.000,"upstreamtime":"-","upstreamhost":"-","http_host":"192.168.56.11","url":"/nginxweb/index.html","domain":"192.168.56.11","xff":"-","referer":"-","status":"200"} {"@timestamp":"2017-12-27T16:38:17+08:00","host":"192.168.56.11","clientip":"192.168.56.11","size":26,"responsetime":0.000,"upstreamtime":"-","upstreamhost":"-","http_host":"192.168.56.11","url":"/nginxweb/index.html","domain":"192.168.56.11","xff":"-","referer":"-","status":"200"}
Head插件查看：
Kibana查看：
[root@linux-node2 ~]# wget http://apache.fayea.com/tomcat/tomcat-8/v8.5.20/bin/apache-tomcat-8.5.20.tar.gz [root@linux-node2 ~]# tar -zxf apache-tomcat-8.5.24.tar.gz [root@linux-node2 ~]# mv apache-tomcat-8.5.24 /usr/local/tomcat
[root@linux-node2 ~]# cd /usr/local/tomcat/conf [root@linux-node2 conf ]# cp server.xml{,.bak} [root@linux-node2 conf ]# vim server.xml <Valve className="org.apache.catalina.valves.AccessLogValve" directory="logs" prefix="tomcat_access_log" suffix=".log" pattern="{"clientip":"%h","ClientUser":"%l","authenticated":"%u","AccessTime":"%t","method":"%r","status":"%s","SendBytes":"%b","Query?string":"%q","partner":"%{Referer}i","AgentVersion":"%{User-Agent}i"}"/>
[root@linux-node2 conf ]# cd ../webapps/ [root@linux-node2 webapps ]# mkdir webdir && cd webdir [root@linux-node2 webdir ]# echo "<h1>welcome to use tomcat</h1>" > index.html [root@linux-node2 conf ]# ../bin/catalina.sh start [root@linux-node2 conf ]# netstat -tulnp |grep 8080 tcp6 0 0 :::8080 :::* LISTEN 2362/java
[root@linux-node2 conf ]# ab -n1000 -c100 http://192.168.56.12:8080/webdir/index.html [root@linux-node2 ~]# tailf /usr/local/tomcat/logs/tomcat_access_log.2017-12-28.log {"clientip":"192.168.56.12","ClientUser":"-","authenticated":"-","AccessTime":"[28/Dec/2017:09:52:57 +0800]","method":"GET /webdir2/index.html HTTP/1.0","status":"200","SendBytes":"32","Query?string":"","partner":"-","AgentVersion":"ApacheBench/2.3"} {"clientip":"192.168.56.12","ClientUser":"-","authenticated":"-","AccessTime":"[28/Dec/2017:09:52:57 +0800]","method":"GET /webdir2/index.html HTTP/1.0","status":"200","SendBytes":"32","Query?string":"","partner":"-","AgentVersion":"ApacheBench/2.3"} {"clientip":"192.168.56.12","ClientUser":"-","authenticated":"-","AccessTime":"[28/Dec/2017:09:52:57 +0800]","method":"GET /webdir2/index.html HTTP/1.0","status":"200","SendBytes":"32","Query?string":"","partner":"-","AgentVersion":"ApacheBench/2.3"} {"clientip":"192.168.56.12","ClientUser":"-","authenticated":"-","AccessTime":"[28/Dec/2017:09:52:57 +0800]","method":"GET /webdir2/index.html HTTP/1.0","status":"200","SendBytes":"32","Query?string":"","partner":"-","AgentVersion":"ApacheBench/2.3"} {"clientip":"192.168.56.12","ClientUser":"-","authenticated":"-","AccessTime":"[28/Dec/2017:09:52:57 +0800]","method":"GET /webdir2/index.html HTTP/1.0","status":"200","SendBytes":"32","Query?string":"","partner":"-","AgentVersion":"ApacheBench/2.3"} {"clientip":"192.168.56.12","ClientUser":"-","authenticated":"-","AccessTime":"[28/Dec/2017:09:52:57 +0800]","method":"GET /webdir2/index.html HTTP/1.0","status":"200","SendBytes":"32","Query?string":"","partner":"-","AgentVersion":"ApacheBench/2.3"} {"clientip":"192.168.56.12","ClientUser":"-","authenticated":"-","AccessTime":"[28/Dec/2017:09:52:57 +0800]","method":"GET /webdir2/index.html HTTP/1.0","status":"200","SendBytes":"32","Query?string":"","partner":"-","AgentVersion":"ApacheBench/2.3"} {"clientip":"192.168.56.12","ClientUser":"-","authenticated":"-","AccessTime":"[28/Dec/2017:09:52:56 +0800]","method":"GET /webdir2/index.html HTTP/1.0","status":"200","SendBytes":"32","Query?string":"","partner":"-","AgentVersion":"ApacheBench/2.3"} {"clientip":"192.168.56.12","ClientUser":"-","authenticated":"-","AccessTime":"[28/Dec/2017:09:52:57 +0800]","method":"GET /webdir2/index.html HTTP/1.0","status":"200","SendBytes":"32","Query?string":"","partner":"-","AgentVersion":"ApacheBench/2.3"} {"clientip":"192.168.56.12","ClientUser":"-","authenticated":"-","AccessTime":"[28/Dec/2017:09:52:57 +0800]","method":"GET /webdir2/index.html HTTP/1.0","status":"200","SendBytes":"32","Query?string":"","partner":"-","AgentVersion":"ApacheBench/2.3"}
[root@linux-node2 ~]# vim /etc/logstash/conf.d/tomcat_accesslog.conf input { file { path => "/usr/local/tomcat/logs/tomcat_access_log.*.log" type => "tomcat-accesslog" start_position => "beginning" stat_interval => "2" } } output { elasticsearch { hosts => ["192.168.56.11:9200"] index => "logstash-tomcat5612-accesslog-%{+YYYY.MM.dd}" } file { path => "/tmp/logstash-tomcat5612-accesslog-%{+YYYY.MM.dd}" } }
[root@linux-node2 tomcat]# /usr/share/logstash/bin/logstash -f /etc/logstash/conf.d/tomcat_accesslog.conf -t OpenJDK 64-Bit Server VM warning: If the number of processors is expected to increase from one, then you should configure the number of parallel GC threads appropriately using -XX:ParallelGCThreads=N WARNING: Could not find logstash.yml which is typically located in $LS_HOME/config or /etc/logstash. You can specify the path using --path.settings. Continuing using the defaults Could not find log4j2 configuration at path /usr/share/logstash/config/log4j2.properties. Using default config which logs errors to the console Configuration OK [root@linux-node2 tomcat]# systemctl restart logstash [root@linux-node2 tomcat]# ps -ef |grep logstash logstash 2527 1 98 09:33 ? 00:00:28 /bin/java -XX:+UseParNewGC -XX:+UseConcMarkSweepGC -XX:CMSInitiatingOccupancyFraction=75 -XX:+UseCMSInitiatingOccupancyOnly -XX:+DisableExplicitGC -Djava.awt.headless=true -Dfile.encoding=UTF-8 -XX:+HeapDumpOnOutOfMemoryError -Xmx1g -Xms256m -Xss2048k -Djffi.boot.library.path=/usr/share/logstash/vendor/jruby/lib/jni -Xbootclasspath/a:/usr/share/logstash/vendor/jruby/lib/jruby.jar -classpath : -Djruby.home=/usr/share/logstash/vendor/jruby -Djruby.lib=/usr/share/logstash/vendor/jruby/lib -Djruby.script=jruby -Djruby.shell=/bin/sh org.jruby.Main /usr/share/logstash/lib/bootstrap/environment.rb logstash/runner.rb --path.settings /etc/logstash root 2572 15939 0 09:34 pts/3 00:00:00 grep --color=auto logstash
数据浏览：
注：此处如果无法出现tomcat的数据索引，查看一下是否有权限访问日志。
[root@linux-node2 logs]# ll /usr/local/tomcat/logs/ -d drwxr-x--- 2 root root 4096 12月 28 09:29 /usr/local/tomcat/logs/ [root@linux-node2 logs]# chmod 755 /usr/local/tomcat/logs [root@linux-node2 logs]# ll /usr/local/tomcat/logs/ 总用量 512 -rw-r----- 1 root root 7140 12月 28 09:29 catalina.2017-12-28.log -rw-r----- 1 root root 7140 12月 28 09:29 catalina.out -rw-r----- 1 root root 0 12月 28 09:29 host-manager.2017-12-28.log -rw-r----- 1 root root 284 12月 28 09:29 localhost.2017-12-28.log -rw-r----- 1 root root 0 12月 28 09:29 manager.2017-12-28.log -rw-r----- 1 root root 502039 12月 28 09:47 tomcat_access_log.2017-12-28.log [root@linux-node2 logs]# chmod 644 /usr/local/tomcat/logs/
使用codec的multiline插件实现多行匹配，这是一个可以将多行进行合并的插件，而且可以使用what指定将匹配到的行与前面的行合并还是和后面的行合并。
https://www.elastic.co/guide/en/logstash/6.0/plugins-codecs-multiline.html
语法例子： input { stdin { codec => multiline { #使用multiline插件 pattern => "pattern, a regexp" #正则匹配 negate => "true" or "false" #匹配是否成功 what => "previous" or "next" #和上面的还是和下面的内容合并 } } } 命令行测试输入输出 [root@linux-node1 ~]# /usr/share/logstash/bin/logstash -e ‘input { stdin {codec => multiline { pattern => "^\[" negate => "true" what => "previous"} }} output { stdout {codec => rubydebug}}‘ OpenJDK 64-Bit Server VM warning: If the number of processors is expected to increase from one, then you should configure the number of parallel GC threads appropriately using -XX:ParallelGCThreads=N WARNING: Could not find logstash.yml which is typically located in $LS_HOME/config or /etc/logstash. You can specify the path using --path.settings. Continuing using the defaults Could not find log4j2 configuration at path /usr/share/logstash/config/log4j2.properties. Using default config which logs errors to the console The stdin plugin is now waiting for input: 111111111 22222222222 333333333 [5555555555 { "@version" => "1", "host" => "linux-node1", "@timestamp" => 2017-12-28T03:06:11.663Z, "message" => "111111111\n22222222222\n333333333", #会将[开头前面的进行合并 "tags" => [ [0] "multiline" ] } 666666666666666666 77777777777777777 8888888888 [999999999 { "@version" => "1", "host" => "linux-node1", "@timestamp" => 2017-12-28T03:06:37.326Z, "message" => "[5555555555\n666666666666666666\n77777777777777777\n8888888888", "tags" => [ [0] "multiline" ] }
elk集群日志上都是以”[“开头并且每一个信息都是如此，寻找规律
[root@linux-node1 ~]# tailf /data/logs/elk-cluster.log [2017-12-28T09:36:58,486][INFO ][o.e.c.s.MasterService ] [elk-node1] zen-disco-node-join[{elk-node2}{CcF5fl9sRqCAGYYpT3scuw}{ncgZ1UsPRq-iz6zWHPl7PQ}{192.168.56.12}{192.168.56.12:9300}], reason: added {{elk-node2}{CcF5fl9sRqCAGYYpT3scuw}{ncgZ1UsPRq-iz6zWHPl7PQ}{192.168.56.12}{192.168.56.12:9300},} [2017-12-28T09:36:59,297][INFO ][o.e.c.s.ClusterApplierService] [elk-node1] added {{elk-node2}{CcF5fl9sRqCAGYYpT3scuw}{ncgZ1UsPRq-iz6zWHPl7PQ}{192.168.56.12}{192.168.56.12:9300},}, reason: apply cluster state (from master [master {elk-node1}{Ulw9eIPlS06sl8Z6zQ_z4g}{HgJRMEAcQcqFOTn5ehHPdw}{192.168.56.11}{192.168.56.11:9300} committed version [87] source [zen-disco-node-join[{elk-node2}{CcF5fl9sRqCAGYYpT3scuw}{ncgZ1UsPRq-iz6zWHPl7PQ}{192.168.56.12}{192.168.56.12:9300}]]]) [2017-12-28T09:36:59,310][WARN ][o.e.d.z.ElectMasterService] [elk-node1] value for setting "discovery.zen.minimum_master_nodes" is too low. This can result in data loss! Please set it to at least a quorum of master-eligible nodes (current value: [-1], total number of master-eligible nodes used for publishing in this round: [2]) [2017-12-28T09:37:06,580][INFO ][o.e.c.r.a.AllocationService] [elk-node1] Cluster health status changed from [YELLOW] to [GREEN] (reason: [shards started [[.kibana][0]] ...]). [2017-12-28T09:52:11,090][INFO ][o.e.c.m.MetaDataCreateIndexService] [elk-node1] [logstash-tomcat5612-accesslog-2017.12.28] creating index, cause [auto(bulk api)], templates [logstash], shards [5]/[1], mappings [_default_] [2017-12-28T09:52:11,433][INFO ][o.e.c.m.MetaDataMappingService] [elk-node1] [logstash-tomcat5612-accesslog-2017.12.28/YY4yqUQJRHa2mRUwmd2Y8g] create_mapping [tomcat-accesslog] [2017-12-28T09:52:13,389][INFO ][o.e.c.r.a.AllocationService] [elk-node1] Cluster health status changed from [YELLOW] to [GREEN] (reason: [shards started [[logstash-tomcat5612-accesslog-2017.12.28][4]] ...]).
[root@linux-node1 ~]# vim /etc/logstash/conf.d/java.conf input { file{ path => "/data/logs/elk-cluster.log" type => "elasticsearch-java-log" start_position => "beginning" stat_interval => "2" code => multiline { pattern => "^\[" #以"["开头进行正则匹配，匹配规则 negate => "true" #正则匹配成功，false匹配不成功 what => "previous" #和前面的内容进行合并,如果是和下面的合并就是next } } } output { if [type] == "elasticsearch-java-log" { elasticsearch { hosts => ["192.168.56.11:9200"] index => "elasticsearch-jva-log-%{+YYYY.MM.dd}" } } } [root@linux-node1 ~]# /usr/share/logstash/bin/logstash -f /etc/logstash/conf.d/java.conf -t OpenJDK 64-Bit Server VM warning: If the number of processors is expected to increase from one, then you should configure the number of parallel GC threads appropriately using -XX:ParallelGCThreads=N WARNING: Could not find logstash.yml which is typically located in $LS_HOME/config or /etc/logstash. You can specify the path using --path.settings. Continuing using the defaults Could not find log4j2 configuration at path /usr/share/logstash/config/log4j2.properties. Using default config which logs errors to the console Configuration OK [root@linux-node1 ~]# systemctl restart logstash
数据浏览：
可以看到以“[”开头的信息都合并了，如图：
tcp模块的使用场景如下： 有一台服务器A只需要收集一个日志，那么我们就可以不需要在这服务器上安装logstash，我们通过在其他logstash上启用tcp模块，监听某个端口，然后我们在这个服务器A把日志通过nc发送到logstash上即可。
[root@linux-node2 ~]# cat /etc/logstash/conf.d/tcp.conf input { tcp{ port => "5600" #监听5600端口 mode => "server" #模式为server type => "tcplog" #类型为tcplog } } output { stdout { codec => rubydebug } } #检测配置文件语法： [root@linux-node2 conf.d]# /usr/share/logstash/bin/logstash -f /etc/logstash/conf.d/tcp.conf -t OpenJDK 64-Bit Server VM warning: If the number of processors is expected to increase from one, then you should configure the number of parallel GC threads appropriately using -XX:ParallelGCThreads=N WARNING: Could not find logstash.yml which is typically located in $LS_HOME/config or /etc/logstash. You can specify the path using --path.settings. Continuing using the defaults Could not find log4j2 configuration at path /usr/share/logstash/config/log4j2.properties. Using default config which logs errors to the console Configuration OK #node1节点上安装nc命令，并发送日志到node2。Netcat简称nc，在网络工具中具有“瑞士×××”美誉，其功能实用，是一个简单，可靠的网络工具，可通过TCP或UDP协议传输读写数据，另外还具有很多其他功能。 [root@linux-node1 ~]# yum install -y nc #通过nc来发送日志 [root@linux-node1 ~]# echo "hello world" | nc 192.168.56.12 5600 #linux-node2终端上查看日志输出信息： [root@linux-node2 conf.d]# /usr/share/logstash/bin/logstash -f /etc/logstash/conf.d/tcp.conf OpenJDK 64-Bit Server VM warning: If the number of processors is expected to increase from one, then you should configure the number of parallel GC threads appropriately using -XX:ParallelGCThreads=N WARNING: Could not find logstash.yml which is typically located in $LS_HOME/config or /etc/logstash. You can specify the path using --path.settings. Continuing using the defaults Could not find log4j2 configuration at path /usr/share/logstash/config/log4j2.properties. Using default config which logs errors to the console { "@timestamp" => 2018-01-02T00:59:49.356Z, "port" => 57902, "@version" => "1", "host" => "linux-node1", "@metdata" => { "ip_address" => "192.168.56.11" }, "message" => "hello world", "type" => "tcplog" } #可以看到linux-node2上有监听5600端口 [root@linux-node2 ~]# netstat -tunlp |grep 5600 tcp6 0 0 :::5600 :::* LISTEN 2301/java #还可以将某个文件发送到nc [root@linux-node1 ~]# nc 192.168.56.12 5600 < /etc/passwd [root@linux-node2 conf.d]# /usr/share/logstash/bin/logstash -f /etc/logstash/conf.d/tcp.conf OpenJDK 64-Bit Server VM warning: If the number of processors is expected to increase from one, then you should configure the number of parallel GC threads appropriately using -XX:ParallelGCThreads=N WARNING: Could not find logstash.yml which is typically located in $LS_HOME/config or /etc/logstash. You can specify the path using --path.settings. Continuing using the defaults Could not find log4j2 configuration at path /usr/share/logstash/config/log4j2.properties. Using default config which logs errors to the console "@timestamp" => 2018-01-02T01:00:54.530Z, "port" => 58134, "@version" => "1", "host" => "linux-node1", "@metdata" => { "ip_address" => "192.168.56.11" }, "message" => "root:x:0:0:root:/root:/bin/bash", "type" => "tcplog" } { "@timestamp" => 2018-01-02T01:00:54.531Z, "port" => 58134, "@version" => "1", "host" => "linux-node1", "@metdata" => { "ip_address" => "192.168.56.11" }, "message" => "bin:x:1:1:bin:/bin:/sbin/nologin", "type" => "tcplog" } ...... #也可以通过这种方式伪设备的方式发送日志：（在类unix操作系统中，设备节点并一定要对应物理设备。没有这种对应关系的设备是伪设备。操作系统运用了它们提供的多种功能，tcp只是dev下面众多伪设备当中的一种设备。） [root@linux-node1 ~]# echo "222" > /dev/tcp/192.168.56.12/5600 [root@linux-node2 conf.d]# /usr/share/logstash/bin/logstash -f /etc/logstash/conf.d/tcp.conf OpenJDK 64-Bit Server VM warning: If the number of processors is expected to increase from one, then you should configure the number of parallel GC threads appropriately using -XX:ParallelGCThreads=N WARNING: Could not find logstash.yml which is typically located in $LS_HOME/config or /etc/logstash. You can specify the path using --path.settings. Continuing using the defaults Could not find log4j2 configuration at path /usr/share/logstash/config/log4j2.properties. Using default config which logs errors to the console { "@timestamp" => 2018-01-02T01:26:55.922Z, "port" => 35576, "@version" => "1", "host" => "linux-node1", "@metdata" => { "ip_address" => "192.168.56.11" }, "message" => "222", "type" => "tcplog" }
[root@linux-node2 conf.d]# vim tcp.conf input { tcp{ port => "5600" mode => "server" type => "tcplog" } } output { elasticsearch { hosts => ["192.168.56.11:9200"] index => "tcp-test5612-%{+YYYY.MM.dd}" } file { path => "/tmp/tcp-test5612-%{+YYYY.MM.dd}" } } [root@linux-node2 conf.d]# /usr/share/logstash/bin/logstash -f /etc/logstash/conf.d/tcp.conf -t OpenJDK 64-Bit Server VM warning: If the number of processors is expected to increase from one, then you should configure the number of parallel GC threads appropriately using -XX:ParallelGCThreads=N WARNING: Could not find logstash.yml which is typically located in $LS_HOME/config or /etc/logstash. You can specify the path using --path.settings. Continuing using the defaults Could not find log4j2 configuration at path /usr/share/logstash/config/log4j2.properties. Using default config which logs errors to the console Configuration OK [root@linux-node2 conf.d]# systemctl restart logstash [root@linux-node1 elasticsearch-head]# echo "hello world" |nc 192.168.56.12 5600 [root@linux-node1 elasticsearch-head]# nc 192.168.56.12 5600 < /etc/passwd
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原文地址：https://www.cnblogs.com/linuxk/p/9273160.html
