Oozie安裝時放置Mysql驅動包的總結(網上最全)
不多說,直接上乾貨!
對於在oozie裡放置Mysql驅動包的總結
根據網上的參考以及我個人經驗安裝的使用
(1)放一份到$OOZIE_HOME/libext下 (是 mysql-connector-java-5.1.21.jar)(這裡放到bigdatamaster節點)
(2)放一份到$OOZIE_HOME/lib下 (是 mysql-connector-java-5.1.21.jar)(這裡放到bigdatamaster節點)
(3)放一份到/usr/share/java/下(一定要重新命名,mv mysql-connector-java-5.1.21-bin.jar mysql-connector-java.jar)(這裡放到bigdatamaster節點)
(4)放一份到$JAVA_HOME/jre/lib/ext (是 mysql-connector-java-5.1.21.jar)(這裡放到bigdatamaster節點、bigdataslave1節點和bigdataslave2節點)
(5)放一份到$OOZIE_HOME/oozie-server/lib下 (是 mysql-connector-java-5.1.21.jar)(這裡放到bigdatamaster節點)
(1)放一份到$OOZIE_HOME/libext下
[[email protected] libext]$ pwd /home/hadoop/app/oozie-4.1.0-cdh5.5.4/libext [[email protected] libext]$ ls activation-1.1.jar commons-logging-1.1.jar hadoop-mapreduce-client-shuffle-2.6.0-cdh5.5.4.jar leveldbjni-all-1.8.jar apacheds-i18n-2.0.0-M15.jar commons-math3-3.1.1.jar hadoop-yarn-api-2.6.0-cdh5.5.4.jar log4j-1.2.17.jar apacheds-kerberos-codec-2.0.0-M15.jar commons-net-3.1.jar hadoop-yarn-client-2.6.0-cdh5.5.4.jar mysql-connector-java-5.1.21.jar api-asn1-api-1.0.0-M20.jar curator-client-2.7.1.jar hadoop-yarn-common-2.6.0-cdh5.5.4.jar netty-3.6.2.Final.jar api-util-1.0.0-M20.jar curator-framework-2.7.1.jar hadoop-yarn-server-common-2.6.0-cdh5.5.4.jar netty-all-4.0.23.Final.jar avro-1.7.6-cdh5.5.4.jar curator-recipes-2.7.1.jar htrace-core4-4.0.1-incubating.jar paranamer-2.3.jar aws-java-sdk-core-1.10.6.jar ext-2.2 httpclient-4.2.5.jar protobuf-java-2.5.0.jar aws-java-sdk-kms-1.10.6.jar ext-2.2.zip httpcore-4.2.5.jar servlet-api-2.5.jar aws-java-sdk-s3-1.10.6.jar gson-2.2.4.jar jackson-annotations-2.2.3.jar slf4j-api-1.7.5.jar commons-beanutils-1.7.0.jar guava-11.0.2.jar jackson-core-2.2.3.jar slf4j-log4j12-1.7.5.jar commons-beanutils-core-1.8.0.jar hadoop-annotations-2.6.0-cdh5.5.4.jar jackson-core-asl-1.8.8.jar snappy-java-1.0.4.1.jar commons-cli-1.2.jar hadoop-auth-2.6.0-cdh5.5.4.jar jackson-databind-2.2.3.jar stax-api-1.0-2.jar commons-codec-1.4.jar hadoop-aws-2.6.0-cdh5.5.4.jar jackson-jaxrs-1.8.8.jar xercesImpl-2.10.0.jar commons-collections-3.2.2.jar hadoop-client-2.6.0-cdh5.5.4.jar jackson-mapper-asl-1.8.8.jar xml-apis-1.4.01.jar commons-compress-1.4.1.jar hadoop-common-2.6.0-cdh5.5.4.jar jackson-xc-1.8.8.jar xmlenc-0.52.jar commons-configuration-1.6.jar hadoop-hdfs-2.6.0-cdh5.5.4.jar jaxb-api-2.2.2.jar xz-1.0.jar commons-digester-1.8.jar hadoop-mapreduce-client-app-2.6.0-cdh5.5.4.jar jersey-client-1.9.jar zookeeper-3.4.5-cdh5.5.4.jar commons-httpclient-3.1.jar hadoop-mapreduce-client-common-2.6.0-cdh5.5.4.jar jersey-core-1.9.jar commons-io-2.4.jar hadoop-mapreduce-client-core-2.6.0-cdh5.5.4.jar jetty-util-6.1.26.cloudera.2.jar commons-lang-2.4.jar hadoop-mapreduce-client-jobclient-2.6.0-cdh5.5.4.jar jsr305-3.0.0.jar [[email protected] libext]$
(2)放一份到$OOZIE_HOME/lib下
[[email protected] lib]$ pwd /home/hadoop/app/oozie-4.1.0-cdh5.5.4/lib [[email protected] lib]$ ls activemq-client-5.10.2.jar commons-codec-1.4.jar guava-11.0.2.jar jackson-mapper-asl-1.8.8.jar slf4j-simple-1.7.5.jar apacheds-i18n-2.0.0-M15.jar commons-logging-1.1.jar hadoop-auth-2.6.0-cdh5.5.4.jar jline-2.11.jar xercesImpl-2.10.0.jar apacheds-kerberos-codec-2.0.0-M15.jar curator-client-2.7.1.jar hawtbuf-1.10.jar json-simple-1.1.jar xml-apis-1.4.01.jar api-asn1-api-1.0.0-M20.jar curator-framework-2.7.1.jar httpclient-4.2.5.jar jsr305-1.3.9.jar zookeeper-3.4.5-cdh5.5.4.jar api-util-1.0.0-M20.jar geronimo-j2ee-management_1.1_spec-1.0.1.jar httpcore-4.2.5.jar oozie-client-4.1.0-cdh5.5.4.jar commons-cli-1.2.jar geronimo-jms_1.1_spec-1.1.1.jar jackson-core-asl-1.8.8.jar slf4j-api-1.7.5.jar [[email protected] lib]$ rz [[email protected] lib]$ ls activemq-client-5.10.2.jar commons-codec-1.4.jar guava-11.0.2.jar jackson-mapper-asl-1.8.8.jar slf4j-api-1.7.5.jar apacheds-i18n-2.0.0-M15.jar commons-logging-1.1.jar hadoop-auth-2.6.0-cdh5.5.4.jar jline-2.11.jar slf4j-simple-1.7.5.jar apacheds-kerberos-codec-2.0.0-M15.jar curator-client-2.7.1.jar hawtbuf-1.10.jar json-simple-1.1.jar xercesImpl-2.10.0.jar api-asn1-api-1.0.0-M20.jar curator-framework-2.7.1.jar httpclient-4.2.5.jar jsr305-1.3.9.jar xml-apis-1.4.01.jar api-util-1.0.0-M20.jar geronimo-j2ee-management_1.1_spec-1.0.1.jar httpcore-4.2.5.jar mysql-connector-java-5.1.21.jar zookeeper-3.4.5-cdh5.5.4.jar commons-cli-1.2.jar geronimo-jms_1.1_spec-1.1.1.jar jackson-core-asl-1.8.8.jar oozie-client-4.1.0-cdh5.5.4.jar [[email protected] lib]$
[[email protected] lib]$ chmod 755 mysql-connector-java-5.1.21.jar [[email protected] lib]$ ll total 9908 -rwxr-xr-x 1 hadoop hadoop 1178428 Apr 26 2016 activemq-client-5.10.2.jar -rwxr-xr-x 1 hadoop hadoop 44925 Apr 26 2016 apacheds-i18n-2.0.0-M15.jar -rwxr-xr-x 1 hadoop hadoop 691479 Apr 26 2016 apacheds-kerberos-codec-2.0.0-M15.jar -rwxr-xr-x 1 hadoop hadoop 16560 Apr 26 2016 api-asn1-api-1.0.0-M20.jar -rwxr-xr-x 1 hadoop hadoop 79912 Apr 26 2016 api-util-1.0.0-M20.jar -rwxr-xr-x 1 hadoop hadoop 41123 Apr 26 2016 commons-cli-1.2.jar -rwxr-xr-x 1 hadoop hadoop 58160 Apr 26 2016 commons-codec-1.4.jar -rwxr-xr-x 1 hadoop hadoop 52915 Apr 26 2016 commons-logging-1.1.jar -rwxr-xr-x 1 hadoop hadoop 69500 Apr 26 2016 curator-client-2.7.1.jar -rwxr-xr-x 1 hadoop hadoop 186273 Apr 26 2016 curator-framework-2.7.1.jar -rwxr-xr-x 1 hadoop hadoop 20220 Apr 26 2016 geronimo-j2ee-management_1.1_spec-1.0.1.jar -rwxr-xr-x 1 hadoop hadoop 32359 Apr 26 2016 geronimo-jms_1.1_spec-1.1.1.jar -rwxr-xr-x 1 hadoop hadoop 1648200 Apr 26 2016 guava-11.0.2.jar -rwxr-xr-x 1 hadoop hadoop 73940 Apr 26 2016 hadoop-auth-2.6.0-cdh5.5.4.jar -rwxr-xr-x 1 hadoop hadoop 50150 Apr 26 2016 hawtbuf-1.10.jar -rwxr-xr-x 1 hadoop hadoop 433368 Apr 26 2016 httpclient-4.2.5.jar -rwxr-xr-x 1 hadoop hadoop 227708 Apr 26 2016 httpcore-4.2.5.jar -rwxr-xr-x 1 hadoop hadoop 227500 Apr 26 2016 jackson-core-asl-1.8.8.jar -rwxr-xr-x 1 hadoop hadoop 668564 Apr 26 2016 jackson-mapper-asl-1.8.8.jar -rwxr-xr-x 1 hadoop hadoop 208781 Apr 26 2016 jline-2.11.jar -rwxr-xr-x 1 hadoop hadoop 16046 Apr 26 2016 json-simple-1.1.jar -rwxr-xr-x 1 hadoop hadoop 33015 Apr 26 2016 jsr305-1.3.9.jar -rwxr-xr-x 1 hadoop hadoop 827942 Nov 3 2016 mysql-connector-java-5.1.21.jar -rwxr-xr-x 1 hadoop hadoop 229725 Apr 26 2016 oozie-client-4.1.0-cdh5.5.4.jar -rwxr-xr-x 1 hadoop hadoop 26084 Apr 26 2016 slf4j-api-1.7.5.jar -rwxr-xr-x 1 hadoop hadoop 10680 Apr 26 2016 slf4j-simple-1.7.5.jar -rwxr-xr-x 1 hadoop hadoop 1363159 Apr 26 2016 xercesImpl-2.10.0.jar -rwxr-xr-x 1 hadoop hadoop 220536 Apr 26 2016 xml-apis-1.4.01.jar -rwxr-xr-x 1 hadoop hadoop 1352025 Apr 26 2016 zookeeper-3.4.5-cdh5.5.4.jar [[email protected] lib]$
(3)
這個報錯很常見,原以為把mysql-connector-java-*-bin.jar丟到oozie的lib即可,但是發現依然寶蓋錯誤。後來在網上找到需要將這個包放到這個路徑下就通過了(名字需要修改下)
/usr/share/java/mysql-connector-java.jar
[[email protected] java]$ pwd /usr/share/java [[email protected] java]$ su root Password: [[email protected] java]# ls ant dom3-xerces-j2-2.7.1.jar java_cup-runtime-0.10k.jar js-1.7.jar rhino.jar xml-commons-apis.jar ant-1.7.1.jar dom3-xerces-j2.jar java_cup-runtime.jar js.jar sinjdoc.jar xml-commons-jaxp-1.3-apis.jar ant-bootstrap-1.7.1.jar dom3-xml-commons-apis-1.3.04.jar jaxp13.jar libgcj-4.4.4.jar xerces-j2-2.7.1.jar xml-commons-resolver-1.1.jar ant-bootstrap.jar dom3-xml-commons-apis.jar jaxp.jar libgcj-4.4.7.jar xerces-j2.jar xml-commons-resolver.jar ant.jar gcj-endorsed jaxp_parser_impl.jar rhino-1.7.jar xml-commons-apis-1.3.04.jar ant-launcher-1.7.1.jar java_cup-0.10k.jar jline-0.9.94.jar rhino-examples-1.7.jar xml-commons-apis-ext-1.3.04.jar ant-launcher.jar java_cup.jar jline.jar rhino-examples.jar xml-commons-apis-ext.jar [[email protected] java]# rz [[email protected] java]# ls ant dom3-xerces-j2-2.7.1.jar java_cup-runtime-0.10k.jar js-1.7.jar rhino-examples.jar xml-commons-apis-ext.jar ant-1.7.1.jar dom3-xerces-j2.jar java_cup-runtime.jar js.jar rhino.jar xml-commons-apis.jar ant-bootstrap-1.7.1.jar dom3-xml-commons-apis-1.3.04.jar jaxp13.jar libgcj-4.4.4.jar sinjdoc.jar xml-commons-jaxp-1.3-apis.jar ant-bootstrap.jar dom3-xml-commons-apis.jar jaxp.jar libgcj-4.4.7.jar xerces-j2-2.7.1.jar xml-commons-resolver-1.1.jar ant.jar gcj-endorsed jaxp_parser_impl.jar mysql-connector-java-5.1.21.jar xerces-j2.jar xml-commons-resolver.jar ant-launcher-1.7.1.jar java_cup-0.10k.jar jline-0.9.94.jar rhino-1.7.jar xml-commons-apis-1.3.04.jar ant-launcher.jar java_cup.jar jline.jar rhino-examples-1.7.jar xml-commons-apis-ext-1.3.04.jar [[email protected] java]# ln -s mysql-connector-java-5.1.21.jar mysql-connector-java.jar [[email protected] java]# ll total 15036 drwxr-xr-x 2 root root 4096 May 11 2016 ant -rw-r--r-- 1 root root 1322826 May 11 2016 ant-1.7.1.jar -rw-r--r-- 1 root root 18834 May 11 2016 ant-bootstrap-1.7.1.jar lrwxrwxrwx 1 root root 23 May 5 20:38 ant-bootstrap.jar -> ant-bootstrap-1.7.1.jar lrwxrwxrwx 1 root root 13 May 5 20:38 ant.jar -> ant-1.7.1.jar -rw-r--r-- 1 root root 12129 May 11 2016 ant-launcher-1.7.1.jar lrwxrwxrwx 1 root root 22 May 5 20:38 ant-launcher.jar -> ant-launcher-1.7.1.jar lrwxrwxrwx 1 root root 19 May 5 20:36 dom3-xerces-j2-2.7.1.jar -> xerces-j2-2.7.1.jar lrwxrwxrwx 1 root root 24 May 5 20:36 dom3-xerces-j2.jar -> dom3-xerces-j2-2.7.1.jar lrwxrwxrwx 1 root root 27 May 5 20:36 dom3-xml-commons-apis-1.3.04.jar -> xml-commons-apis-1.3.04.jar lrwxrwxrwx 1 root root 32 May 5 20:36 dom3-xml-commons-apis.jar -> dom3-xml-commons-apis-1.3.04.jar drwxr-xr-x 2 root root 4096 Mar 22 00:04 gcj-endorsed -rw-r--r-- 1 root root 73310 Aug 21 2010 java_cup-0.10k.jar lrwxrwxrwx 1 root root 18 May 5 20:36 java_cup.jar -> java_cup-0.10k.jar -rw-r--r-- 1 root root 9053 Aug 21 2010 java_cup-runtime-0.10k.jar lrwxrwxrwx 1 root root 26 May 5 20:36 java_cup-runtime.jar -> java_cup-runtime-0.10k.jar lrwxrwxrwx 1 root root 20 May 5 20:36 jaxp13.jar -> xml-commons-apis.jar lrwxrwxrwx 1 root root 20 May 5 20:36 jaxp.jar -> xml-commons-apis.jar lrwxrwxrwx 1 root root 34 May 5 20:36 jaxp_parser_impl.jar -> /etc/alternatives/jaxp_parser_impl -rw-r--r--. 1 root root 84746 Aug 22 2010 jline-0.9.94.jar lrwxrwxrwx. 1 root root 16 May 4 18:10 jline.jar -> jline-0.9.94.jar lrwxrwxrwx. 1 root root 13 May 4 18:10 js-1.7.jar -> rhino-1.7.jar lrwxrwxrwx. 1 root root 10 May 4 18:10 js.jar -> js-1.7.jar -rw-r--r-- 1 root root 10143547 Mar 22 00:05 libgcj-4.4.4.jar lrwxrwxrwx 1 root root 16 May 5 20:36 libgcj-4.4.7.jar -> libgcj-4.4.4.jar -rw-r--r-- 1 root root 827942 Nov 3 2016 mysql-connector-java-5.1.21.jar lrwxrwxrwx 1 root root 31 May 9 14:30 mysql-connector-java.jar -> mysql-connector-java-5.1.21.jar -rw-r--r--. 1 root root 807405 Aug 22 2010 rhino-1.7.jar -rw-r--r--. 1 root root 18260 Aug 22 2010 rhino-examples-1.7.jar lrwxrwxrwx. 1 root root 22 May 4 18:10 rhino-examples.jar -> rhino-examples-1.7.jar lrwxrwxrwx. 1 root root 13 May 4 18:10 rhino.jar -> rhino-1.7.jar -rw-r--r-- 1 root root 414906 Aug 19 2010 sinjdoc.jar -rw-r--r-- 1 root root 1246482 Sep 30 2014 xerces-j2-2.7.1.jar lrwxrwxrwx 1 root root 19 May 5 20:36 xerces-j2.jar -> xerces-j2-2.7.1.jar -rw-r--r-- 1 root root 230522 Aug 19 2010 xml-commons-apis-1.3.04.jar -rw-r--r-- 1 root root 90958 Aug 19 2010 xml-commons-apis-ext-1.3.04.jar lrwxrwxrwx 1 root root 31 May 5 20:36 xml-commons-apis-ext.jar -> xml-commons-apis-ext-1.3.04.jar lrwxrwxrwx 1 root root 27 May 5 20:36 xml-commons-apis.jar -> xml-commons-apis-1.3.04.jar lrwxrwxrwx 1 root root 20 May 5 20:36 xml-commons-jaxp-1.3-apis.jar -> xml-commons-apis.jar -rw-r--r-- 1 root root 56968 Aug 21 2010 xml-commons-resolver-1.1.jar lrwxrwxrwx 1 root root 28 May 5 20:36 xml-commons-resolver.jar -> xml-commons-resolver-1.1.jar [[email protected] java]#
[[email protected] java]# mv mysql-connector-java-5.1.21.jar mysql-connector-java.jar mv: overwrite `mysql-connector-java.jar'? y [[email protected] java]#
(4)因為,我暫時用的是jdk1.7。 即,在$OOZIE_HOME/libext下的mysql-connector-java-6.0.3.jar 替換成 mysql-connector-java-5.1.21.jar 。
(5)放一份到$OOZIE_HOME/oozie-server/lib下 (是 mysql-connector-java-5.1.21.jar)(這裡放到bigdatamaster節點)
[[email protected] lib]$ pwd /home/hadoop/app/oozie-4.1.0-cdh5.5.4/oozie-server/lib [[email protected] lib]$ ls annotations-api.jar catalina-ha.jar catalina-tribes.jar el-api.jar jasper.jar servlet-api.jar tomcat-dbcp.jar tomcat-i18n-fr.jar catalina-ant.jar catalina.jar ecj-4.3.1.jar jasper-el.jar jsp-api.jar tomcat-coyote.jar tomcat-i18n-es.jar tomcat-i18n-ja.jar [[email protected] lib]$ rz [[email protected] lib]$ ls annotations-api.jar catalina-ha.jar catalina-tribes.jar el-api.jar jasper.jar mysql-connector-java-5.1.21.jar tomcat-coyote.jar tomcat-i18n-es.jar tomcat-i18n-ja.jar catalina-ant.jar catalina.jar ecj-4.3.1.jar jasper-el.jar jsp-api.jar servlet-api.jar tomcat-dbcp.jar tomcat-i18n-fr.jar [[email protected] lib]$ ll total 6348 -rwxr-xr-x 1 hadoop hadoop 15250 May 8 2015 annotations-api.jar -rwxr-xr-x 1 hadoop hadoop 54624 May 8 2015 catalina-ant.jar -rwxr-xr-x 1 hadoop hadoop 132216 May 8 2015 catalina-ha.jar -rwxr-xr-x 1 hadoop hadoop 1250454 May 8 2015 catalina.jar -rwxr-xr-x 1 hadoop hadoop 239165 May 8 2015 catalina-tribes.jar -rwxr-xr-x 1 hadoop hadoop 1830791 May 8 2015 ecj-4.3.1.jar -rwxr-xr-x 1 hadoop hadoop 34622 May 8 2015 el-api.jar -rwxr-xr-x 1 hadoop hadoop 112521 May 8 2015 jasper-el.jar -rwxr-xr-x 1 hadoop hadoop 528303 May 8 2015 jasper.jar -rwxr-xr-x 1 hadoop hadoop 76649 May 8 2015 jsp-api.jar -rw-r--r-- 1 hadoop hadoop 827942 Nov 3 2016 mysql-connector-java-5.1.21.jar -rwxr-xr-x 1 hadoop hadoop 132240 May 8 2015 servlet-api.jar -rwxr-xr-x 1 hadoop hadoop 801374 May 8 2015 tomcat-coyote.jar -rwxr-xr-x 1 hadoop hadoop 253635 May 8 2015 tomcat-dbcp.jar -rwxr-xr-x 1 hadoop hadoop 70563 May 8 2015 tomcat-i18n-es.jar -rwxr-xr-x 1 hadoop hadoop 51715 May 8 2015 tomcat-i18n-fr.jar -rwxr-xr-x 1 hadoop hadoop 54334 May 8 2015 tomcat-i18n-ja.jar [[email protected] lib]$ chmod 755 mysql-connector-java-5.1.21.jar [[email protected] lib]$ ll total 6348 -rwxr-xr-x 1 hadoop hadoop 15250 May 8 2015 annotations-api.jar -rwxr-xr-x 1 hadoop hadoop 54624 May 8 2015 catalina-ant.jar -rwxr-xr-x 1 hadoop hadoop 132216 May 8 2015 catalina-ha.jar -rwxr-xr-x 1 hadoop hadoop 1250454 May 8 2015 catalina.jar -rwxr-xr-x 1 hadoop hadoop 239165 May 8 2015 catalina-tribes.jar -rwxr-xr-x 1 hadoop hadoop 1830791 May 8 2015 ecj-4.3.1.jar -rwxr-xr-x 1 hadoop hadoop 34622 May 8 2015 el-api.jar -rwxr-xr-x 1 hadoop hadoop 112521 May 8 2015 jasper-el.jar -rwxr-xr-x 1 hadoop hadoop 528303 May 8 2015 jasper.jar -rwxr-xr-x 1 hadoop hadoop 76649 May 8 2015 jsp-api.jar -rwxr-xr-x 1 hadoop hadoop 827942 Nov 3 2016 mysql-connector-java-5.1.21.jar -rwxr-xr-x 1 hadoop hadoop 132240 May 8 2015 servlet-api.jar -rwxr-xr-x 1 hadoop hadoop 801374 May 8 2015 tomcat-coyote.jar -rwxr-xr-x 1 hadoop hadoop 253635 May 8 2015 tomcat-dbcp.jar -rwxr-xr-x 1 hadoop hadoop 70563 May 8 2015 tomcat-i18n-es.jar -rwxr-xr-x 1 hadoop hadoop 51715 May 8 2015 tomcat-i18n-fr.jar -rwxr-xr-x 1 hadoop hadoop 54334 May 8 2015 tomcat-i18n-ja.jar [[email protected] lib]$
然後,再,
[[email protected] oozie-4.1.0-cdh5.5.4]$ bin/oozie-start.sh [[email protected] oozie-4.1.0-cdh5.5.4]$ jps 10193 Bootstrap 8920 NameNode 9077 SecondaryNameNode 10668 Jps 2182 QuorumPeerMain 9270 ResourceManager [[email protected] oozie-4.1.0-cdh5.5.4]$
然後呢,大家也許還會出現如下問題:
相關推薦
Oozie安裝時放置Mysql驅動包的總結(網上最全)
不多說,直接上乾貨! 對於在oozie裡放置Mysql驅動包的總結 根據網上的參考以及我個人經驗安裝的使用 (1)放一份到$OOZIE_HOME/libext下 (是 mysql-connector-java-5.1.21.jar)(這裡放到bigdatamaster節點)
Python之旅.第四章.模塊與包.總結(未完待遇)
standard 後綴 att 擔心 lse 綁定 做的 業務 搜索 一、模塊 模塊: 一系列功能的集合體,在python中一個py文件就是一個模塊,模塊名就是py文件的文件名; 模塊的好處: 1.減少重復的代碼 2.拿來主義 定義模塊: 就是創建一個py文件;
Mysql 常用函式總結(加密解密函式)
MD5(str) md5加密 SELECT MD5('hello') 5d41402abc4b2a76b9719d911017c592 sha(str) sha加密 SELECT SH
mysql實操總結(基礎篇-上)
基礎篇--SQL介紹及MySQL安裝一、結構化查詢語句(Structured Query Language)簡稱SQL1)啟動MySQL:$sudo service mysql start$mysql -u root2)檢視資料庫:mysql > show databa
區間dp的總結(乘積最大)
logs 數組 str 區間dp 方程 style nbsp span 乘號 #include <iostream> #include <cstdio> #include <algorithm> #include <cstrin
Hadoop分散式安裝(全網最全)帶註釋
大家好,今天給大家配置下hadoop叢集模式,完全分散式, 配置需求 3臺節點 前提:有3臺乾淨的機器,並且安裝好jdk,SSH免密登陸要配置好 話不多說,直接開幹 1、安裝之前首先確保你已經安裝了JDK,配置好了SSH免密登陸 如果SSH沒有配好的話,https://mp.cs
Python3安裝Mysql驅動包PyMySQL
1、下載PyMySQL包 登入https://pypi.org/網站,輸入pymysql,搜尋PyMySQL包,如圖: 搜尋後結果如圖: 點選搜尋結果PyMySQL 0.9.2後,如圖: 然後點選Download files,頁面如圖: &
Linux學習總結(三十九)lnmp環境搭建1-mysql,php 安裝
lnmp mysql php php-fpm 之前我們介紹過lamp,lnmp和lamp相比就是把apache換為了nginx,nginx也是目前比較流行的一款web server,在處理高並發請求上,性能要遠勝於apache。apache將php作為一個自己的一個擴展模塊來使用,nginx則
在Android7.0以上安裝時出現“解析軟體包錯誤”
vivox23在Android studio上除錯軟體出現“解析軟體包錯誤”,不管是專案工程還是自己新建的hellowrold工程都會出現這個問題,取消下圖第一個選項 Android studio的2.0新版本出了一個革命性的功能就是Instant Run(即時執行)!新的即時執行功能可以
CentOS 7 下yum安裝時下載的rpm包存放路徑
centos下執行yum install xxx後。 系統會從yum源下載rpm,將rpm放置到快取目錄下: /var/cache/yum/ 說明: yum源的不同則下載後存在的路徑也有所
解決 centos7.x 使用yum安裝時提示沒有對應包
只想用yum安裝,不想使用原始碼包編譯安裝。但是yum安裝的時候,centos yum從倉庫中根本找不到這幾個包。但我不想使用原始碼編譯就想使用yum安裝,怎麼辦? 一、yum install epel-release //擴充套件包更新包 二、更新yu
Android7.0以上安裝時出現“解析軟體包錯誤”
工作中,vivoX9s,版本號:7.1.2,在Android studio上除錯軟體出現“解析軟體包錯誤”,不管是專案工程還是自己新建的hellowrold工程都會出現這個問題,如圖: eclipse: Android studio: 問題解決辦法: 1.ec
如何在同一臺機器上安裝多個MySQL的實例(轉)
其他 搭建 如果 com 啟動mysql default vim 比喻 width 最近由於工作的需要,需要在同一臺機器上搭建兩個MySQL的實例,(註:已經存在了一個3306的MySQL的實例)。 先說下,什麽是mysql的多實例,簡單的來說就是一臺機器上安裝了多個
gulp 安裝時一直提示缺少模塊( Cannot find module 'gulp-load-plugins')
src mod OS .json style 模塊名 amp ont nbsp 我們要考慮兩種情況? 1. 本地安裝和全局安裝gulp npm i -g gulp && npm i --save-dev gulp 2.新建packag
Linux學習總結(三十一)lamp之mariadb apache 安裝
lamp mariadb apache httpd 一 mariadb 介紹 ?MySQL是一個關系型數據庫,由mysql ab公司開發,mysql在2008年被sun公司收購(10億刀),2009年sun公司被oracle公司收購(74億刀)? MySQL官網https://www.mysq
Linux學習總結(三十二)lamp之php安裝
php libphp5.so lamp PHP官網www.php.net當前主流版本為5.6/7.1 cd /usr/local/src/ wget http://cn2.php.net/distributions/php-5.6.30.tar.gz tar zxf php-5.6.30.tar
Linux學習總結(三十八)lamp之php擴展模塊安裝
lamp php php擴展模塊 php動態模塊是一個可以看的見的以.so結尾的文件,可以根據需要加載使用。靜態模塊跟隨php一起啟動,看不到文件。php一旦編譯完成,要想再增加一個功能模塊的話,要麽重新編譯php,要麽直接編譯一個擴展模塊,然後在php.ini中配置一下就可以被加載使用。/usr
Linux學習總結(四十五)mysql 基本操作 上篇
msyql1. 首次登入數據庫 /usr/local/mysql/bin/mysql -uroot我們發現直接登入了,不需要驗證。因為我們還沒有給root 用戶設置密碼,默認是沒有密碼的。如果不指定用戶,則默認是root用戶登陸。我們發現僅僅登陸一個數據庫,要輸入如此長的路徑,太辛苦了,我們可以把該路徑放進環
Linux學習總結(四十六)mysql 基本操作 下篇
msyql 數據庫備份 常用sql語句 1 mysql 用戶管理 對於互聯網企業,我們知道數據是不可再生的資源,重要數據一旦丟失,將損失慘重。數據庫的安全至關重要,因此對於後臺管理員的權限要嚴格控制,要有針對性的創建用戶,在滿足管理需求的基礎上,要最小化其操作權限。因此我們針對不同用戶,會有選擇性
Linux學習總結(五十一)mysql 主從配置
mysql主從一 mysql 主從介紹 mysql 主從又叫replication ,AB復制。簡單講就是A和B兩臺機器做主從後,在A上寫數據,另外一臺B也會跟著寫數據,兩者數據實時同步的。MySQL主從是基於binlog的,主上須開啟binlog才能實現 具體過程為:1)主將更改操作記錄在binlog裏2