Decaffein codes

http://webdir.tistory.com/206

설치 https://docs.mongodb.com/manual/tutorial/install-mongodb-on-ubuntu/ 설정 http://ngee.tistory.com/372 Shell $ mongo > show dbs admin 0.000GB local 0.000GB> use school_db switched to db school_db> db school_db> db.createUser({user: "principal", pwd: "123", roles: ["readWrite", "dbAdmin"]}); Successfully added user: { "user" : "principal", "roles" : [ "readWrite", "dbAdmin" ] }> db.createCollectio..

VMWare Player를 예로 설명합니다. 시작메뉴 오른쪽 마우스 버튼으로 클릭"Windows PowerShell(Admin)" 클릭command prompt 에서, "control appwiz.cpl" 입력예전 버전의 uninstall screen이 열림 리스트에서 "VMWare Player"를 선택하고 "변경" 버튼을 클릭pop up window에서 "Uninstall" 선택

MacBookPro:~|⇒ scrapy Traceback (most recent call last): File "/usr/local/bin/scrapy", line 7, in from scrapy.cmdline import execute File "/Library/Python/2.7/site-packages/scrapy/cmdline.py", line 9, in from scrapy.crawler import CrawlerProcess File "/Library/Python/2.7/site-packages/scrapy/crawler.py", line 7, in from twisted.internet import reactor, defer File "/Library/Python/2.7/site-packag..

모든 key 가져오기 127.0.0.1:6379> keys *619*127.0.0.1:6379> keys *619* 127.0.0.1:6379> keys *619* https://chartio.com/resources/tutorials/how-to-get-all-keys-in-redis/ Database 목록 가져오기 127.0.0.1:6379> keys *619*127.0.0.1:6379> keys *619* $ redis-cli INFO | grep ^db db0:keys=1500,expires=2 db1:keys=200000,expires=1 db2:keys=350003,expires=1https://stackoverflow.com/questions/12802726/list-all-redis-dat..

GET http://IPADRESS:9200/activities/_search{ "size": 0, "aggs": { "uniq_type": { "terms": { "field": "type" } } } }

http://osxdaily.com/2014/07/10/set-screen-saver-keyboard-shortcut-mac/

redis-cli에서 아래 명령어를 수행 config set stop-writes-on-bgsave-error yes References https://charsyam.wordpress.com/2013/01/28/%EC%9E%85-%EA%B0%9C%EB%B0%9C-redis-%EC%84%9C%EB%B2%84%EA%B0%80-misconf-redis-is-configured-to-save-rdb-snapshots-%EC%97%90%EB%9F%AC%EB%A5%BC-%EB%82%B4%EB%A9%B0-%EB%8F%99%EC%9E%91%ED%95%98%EC%A7%80/ https://stackoverflow.com/questions/19581059/misconf-redis-is-configured-to-save-..

노드 리스트를 확인 MBP:~|⇒ kubectl get pod -o wide NAME READY STATUS RESTARTS AGE IP NODE broker-883809602-1qhmw 1/1 Running 0 6d 10.4.1.11 gke-test-broker-pool-xxxx broker-883809602-n9kd3 1/1 Running 0 6d 10.4.1.10 gke-test-broker-pool-xxxx redis-master-3573802360-htmp5 1/1 Running 0 6d 10.4.0.8 gke-test-broker-pool-xxxx test-broker-540561889-jjl1s 1/1 Running 0 9d 10.4.0.7 gke-test-broker-pool-xxxx접속 ..

$ kubectl replace --force -f

zsh에서 sudo를 이용한 command가 아래와 같이 오류를 발생시킨다. zsh이 square bracket을 globbing, pattern matching용으로 사용하기 때문이다. (http://square brackets for globbing / pattern matching)sudo pip install 'ansible-container[docker,k8s]' zsh: no matches found: ansible-container[docker,k8s] 이를 피하기 위해 홑따옴표로 설치할 패키지를 감싸주고 실행시키자. sudo pip install 'ansible-container[docker,k8s]' https://stackoverflow.com/questions/30539798/zsh-..

ConceptContainer Cluster Architecture : https://cloud.google.com/kubernetes-engine/docs/concepts/cluster-architecture Pods : https://kubernetes.io/docs/concepts/workloads/pods/pod-overview/#pods-and-controllers Service : https://kubernetes.io/docs/concepts/services-networking/service/ Deployments : https://kubernetes.io/docs/concepts/workloads/controllers/deployment/ TutorialsBasics : https://ku..

target/broker-1.0-SNAPSHOT.jar가 존재한다고 생각합니다. Docker 설정 먼저 아래와 같이 Dockerfile 만들겠습니다. FROM openjdk:8 COPY target/broker-1.0-SNAPSHOT.jar /app.jar EXPOSE 9000/tcp ENTRYPOINT ["java", "-jar", "/app.jar"]docker에 login하고 build 후 run해봅니다. docker logindocker build -t asia.gcr.io/test-142514/test-broker:v1 .docker run -ti --rm -p 9000:9000 asia.gcr.io/test-142514/test-broker:v1Docker Image GCR에 Push하기 go..

source와 test code의 project layout의 불일치로 생기는 문제이다. 아래와 같이 맞춰주면 해결된다. my-test-project +--pom.xml +--src +--main +--com +--example +--Application.java +--test +--com +--example +--test +--MyTest.java http://www.bswen.com/springboot/2017/02/25/springboot-Unable-to-find-a-SpringBootConfiguration.html

kent@rtest1:~/redis-4.0.2/src$ ./redis-cli INFO | grep ^db db0:keys=4,expires=0,avg_ttl=0 kent@rtest1:~/redis-4.0.2/src$ ./redis-cli INFO keyspace # Keyspace db0:keys=4,expires=0,avg_ttl=0 kent@rtest1:~/redis-4.0.2/src$ ./redis-cli keys "*" 1) "job_results:1234" 2) "job_status:1234" 3) "a1234" 4) "1234"

Pre Installations$ sudo apt install make $ sudo apt install gcc $ cd deps $ make hiredis jemalloc linenoise lua Installationshttps://redis.io/download $ make$ src/redis-server Referenceshttps://redis.io/topics/quickstarthttps://redis.io/topics/confighttps://stackoverflow.com/questions/19091087/open-redis-port-for-remote-connections

과거엔 SearchRequestBuilder에 internalBuilder()라는 method가 있었지만, 지금은 toString() 내부에서 수행되는 것으로 변경되었습니다. SearchRequestBuilder sb = client.prepareSearch("activities") .setQuery(queryBuilder) .setSize(0) .addAggregation(sigterm); logger.info("internal query : " + sb.toString());

netty를 사용하는 모듈과 충돌이 발생하는 경우이다. Elasticsearch client 초기화 시점을 앞당기거나 system property es.set.netty.runtime.available.processors 를 false로 세팅해서 해결한다. java.lang.IllegalStateException: availableProcessors is already set to [8], rejecting [8]at io.netty.util.NettyRuntime$AvailableProcessorsHolder.setAvailableProcessors(NettyRuntime.java:51)at io.netty.util.NettyRuntime.setAvailableProcessors(NettyRuntime..

아래와 같이 Elasticsearch java client 사용시 java.lang.NoClassDefFoundError: org/elasticsearch/plugins/NetworkPlugin 발생하거나 FiltersAggregator.KeyedFilter와 같은 API들을 찾을 수 없는 경우가 있다. java.lang.NoClassDefFoundError: org/elasticsearch/plugins/NetworkPluginat java.lang.ClassLoader.defineClass1(Native Method)at java.lang.ClassLoader.defineClass(ClassLoader.java:763)at java.security.SecureClassLoader.defineClass..