insert.py import cx_Oracle class Oracle(object): “”" oracle db operator “”" def init(self,userName,password,host,instance): self._conn = cx_Oracle.connect("%s/%s@%s/%s" % (userName,password,host,in... ...继续阅读 (19)

Install the Latest VirtualBox on Ubuntu 18.04 LTS !robot | 01/01/2018 | Applications, Labs, Linux Ubuntu | 6 Comments Since Ubuntu 18.04 LTS was released, I have been testing it in my lab environmen... ...继续阅读 (22)

# vi /etc/ssh/sshd_configSubsystem sftp /usr/libexec/openssh/sftp-server# /etc/init.d/sshd restart ...继续阅读 (17)

$ sudo vi /etc/gitlab/gitlab.rb # Change the external_url to the address your users will type in their browser#Sending application email via SMTPgitlab_rails['smtp_enable'] ... ...继续阅读 (16)

因为资源有限，决定在云上使用三台虚机，搭建e2e_cli的样例集群，使用的资源如下：172.21.0.5   orderer.example.com172.21.0.13  peer0.org1.example.com172.21.0.15 peer0.org2.example.com建立两个组，每个组只有一个peer，以下是各个配置文件和注意事项：1.在各个主机上都可以支持独立运行e2e的伪分布... ...继续阅读 (15)

使用了三台VPC，都是Ubuntu 16.04 LTS版名称   ip节点hostnameorgnazations1172.21.0.5ordererorderer.example.comorderers2s3172.21.0.13172.21.0.15sp0,clisp1peer0.org1.example.compeer0.org2.example.comorg1org2$GOPATH=/da... ...继续阅读 (15)

0.安装python,pip$ sudo apt-get install python$ wget https://bootstrap.pypa.io/get-pip.py$ sudo python get-pip.py1.编译configtxgen# cd $GOPATH/src/github.com/hyperledger/fabric # make configtxgen如果出错：'ltdl... ...继续阅读 (12)

使用源码是因为有大量的例子都在源码中，而且官方guide也是会用到源码，因此拿到源码多多益善。注意要用1.0-release的代码1.在使用go get的时候会创建gopath路径# go get github.com/hyperledger/fabricroot@VM-0-13-ubuntu:/opt/gopath/src/github.com/hyperledger/fabric# lsbcc... ...继续阅读 (10)

1.下载Go，需要科学上网curl -O https://storage.googleapis.com/golang/go1.8.3.linux-amd64.tar.gz2.解压到/usr/local目录下sudo tar -C /usr/local -xzf go1.8.3.linux-amd64.tar.gz 3.修改go环境变量，sudo修改/etc/profileexport PATH=$... ...继续阅读 (14)

1.运行命令获取sudo curl -L https://github.com/docker/compose/releases/download/1.20.1/docker-compose-$(uname -s)-$(uname -m) -o /usr/local/bin/docker-compose2.授执行权限sudo chmod +x /usr/local/bin/docker-compos... ...继续阅读 (15)

VPC环境Ubuntu16.04 LTS使用docker 运行fabric节点，Docker、Docker-compose和Go环境安装。1.安装docker参考文档https://docs.docker.com/install/linux/docker-ce/ubuntu/ 安装支持的os版本Artful 17.10 (Docker CE 17.11 Edge and higher only)X... ...继续阅读 (12)

Using the In-Memory Analyst Zeppelin InterpreterThe in-memory analyst provides an interpreter implementation for Apache Zeppelin. This tutorial topic explains how to install the in-memory analyst inte ...继续阅读 (15)

1.在conf中，将zeppelin-site.xml.template拷贝成zeppelin-site.xml  zeppelin.anonymous.allowed  false  Anonymous user allowed by default2.将shiro.ini.template拷贝为shiro.ini修改里面的用户名和密码 ...继续阅读 (15)

require('iconv')Error: Cannot find module 'iconv'    at Function.Module._resolveFilename (module.js:469:15)    at Function.Module._load (module.js:417:25)    at Module.require (module.js:497:17)    at ...继续阅读 (14)

1.增加bigdatagraph.jar后，没有效果，需要检查CLASSPATH的设置vi ~/.bash_profileexportCLASSPATH=/home/oracle/Downloads/oraclebigdataspatialgraph_v2_0_cytoscape/LIB/'*':$CLASSPATHsource ~/.bash_profile2.重新启动 ...继续阅读 (16)

public static Configuration configuration; static { configuration = HBaseConfiguration.create(); configuration.set("hbase.zookeeper.property.clientPort", "2181"); configuration.set("hbase.zookeeper ...继续阅读 (15)

#启动mysql sudo service mysqld start #查看mysql启动状态 sudo service mysqld status #获取初始化密码 #由于mysql5.7加强了安全性的设置，root密码默认不再为空，而是通过生成随机密码。 #刚安装时死活找不到密码，网上查了很多资料也都不靠谱。折腾了好久之后在官网找到了相应的说明 sudo grep 'temporary pas ...继续阅读 (15)

http://blog.csdn.net/u013970991/article/details/73195907其中微服务的数据去中心化核心要点是：每个微服务有自己私有的数据库持久化业务数据。每个微服务只能访问自己的数据库，而不能访问其它服务的数据库。某些业务场景下，需要在一个事务中更新多个数据库。这种情况也不能直接访问其它微服务的数据库，而是通过对于微服务进行操作。数据的去中心化，进一步降低了微 ...继续阅读 (18)

/opt/bdd132/BDD/studio\bdd-studio.ear\endeca-portal.war\html\css\eid-default\images\eid-default-images\common\几个logo都位于这个下面，weblogic中位于/opt/bdd132/user_projects/domains/bdd-1.3.2.35.1091_domain/servers/bdd/tmp/_WL_user/oracle.endecastudio_1.2.2.0.0/<根据实际情况找>/war/html/css/eid-default/images/eid-default-images/common/背景图片位置：D:\temp\bdd-studio.ear\endeca-portal.war\html\css\eid-default\images\eid-default-images\portlets\login\ ...继续阅读 (12)

/opt/bdd132/BDD/studio\bdd-studio.ear\endeca-portal.war\html\css\eid-default\images\eid-default-images\common\几个logo都位于这个下面，weblogic中位于/opt/bdd132/user_projects/domains/bdd-1.3.2.35.1091_domain/server ...继续阅读 (10)

1. WebURL: Tencent 1万/key/day, 每个账号最多10个key；百度 2k/day；高德 6k/day2.JavaScript: 都是unlimit ...继续阅读 (29)

SWTBot安装错误site -- http://download.eclipse.org/technology/swtbot/snapshots换Neon，去掉不需要的source和GEF等 ...继续阅读 (24)

神奇的问题，CM安装过程中，检查数据库连接，说缺少libmysqlclient.18.so文件，这个文件在MariaDB的devel包中包含，但Mysql5.6和MariaDB互斥。后来不得不换成MariaDB，有几个坑：1.修改/opt/cm-5.9.1/etc/cloudera-scm-agent/config.ini，连接到之前scm_prepared_database.sh中设置的内容，那个设置还是mysql2.导入cm_init.sql，简单的启动是有些问题，缺数据，一直在找对应archive.cloudera.com中parcel在线库 ...继续阅读 (28)

1. 下载MySQL 5.6 下载页面：http://dev.mysql.com/downloads/mysql/此处选择“Red Hat Enterprise Linux 6 / Oracle Linux 6 (x86, 32-bit), RPM Bundle”下载，下载至/root/Downloads/目录下，下载文件名为“MySQL-5.6.15-1.el6.i686.rpm-bundle.tar”2. 解压tar包cd /root/Downloads/tar -xvf MySQL-5.6.15-1.el6.i686.rpm-bundle.tar3. 以RPM方式安装MySQL在RHEL系统中，必须先安装“MySQL-shared-compat-5.6.15-1.el6.i686.rpm”这个兼容包，然后才能安装server和client，否则安装时会出错。yum install MySQL-shared-compat-5.6.15-1.el6.i686.rpm # RHEL兼容包yum install MySQL-server-5.6.15-1.el6.i686.rpm # MySQL服务端程序yum install MySQL-client-5.6.15-1.el6.i686.rpm # MySQL客户端程序yum ...继续阅读 (34)

bdd 启动 data processing进程报错 Can't locate LWP.pm in @INCCan't locate LWP.pm in @INC (@INC contains: /usr/local/lib64/perl5 /usr/local/share/perl5 /usr/lib64/perl5/vendor_perl /usr/share/perl5/vendor_perl /usr/lib64/perl5 /usr/share/perl5 .).BEGIN failed--compilation aborted.安装CPAN的方法 yum -y install perl-CPAN解决方法：History of LWPIntroduction to Web AutomationWords of Caution1.3. Installing LWPLWP and the associated modules areavailablein various distributions free from the Comprehensive Perl ArchiveNetwork (CPAN). The main distributionsare listed at the start ofAppendix A, "LWP Modules", although t ...继续阅读 (28)

Install Oracle 11G Release 2 (11.2) on Oracle Linux 7 (OEL7)Posted onMay 3, 2014This article presents how to install Oracle 11G on Oracle Enterprise Linux 7 (OEL7).Read following article how to install Oracle Enterprise Linux 7:Install Oracle Linux 7 (OEL7)(for comfort set 2G memory for your virtual machine before proceeding with Oracle software installation).Installation software is available on OTN version 11.2.0.1 or metalink 11.2.0.4. In this installation I’m presenting installation for 11.2.0.4 but for previous version 11.2.0.X it shouldn’t be different.Oracle software which I verifiedrel ...继续阅读 (30)

BDD_manage/conf/bdd.conf修改内容WLS_SECURE_MODE=FALSEMANAGED_SERVER_PROT=MANAGED_SERVER_SECURE_PORT=Weblogic控制台，关闭SSL 7004端口重启./bdd-admin.sh restart -c bddServer ...继续阅读 (38)

需要将Oracle的图片更换成客户的图片/opt/bdd140/studio/eid_studio.war/eid-protal.war/html/css/eid-default/images/eid-default-images/common/logotype_oracle.png这里有两张图片，在安装bdd前替换安装文件 ...继续阅读 (30)

1.安装OEL7.2 64bit版，创建用户bdd2.各个主机之间建立互信，无密码登陆3.找一个主机安装mysqlsudo rpm -Uvh http://dev.mysql.com/get/mysql-community-release-el7-5.noarch.rpmsudo yum -y install mysql-community-serversudo /usr/bin/systemctl enable mysqld 启动时自动启动sudo /usr/bin/systemctl start mysqldsudo /usr/bin/mysql_secure_installation 设置root密码等，需要mysql启动 ...继续阅读 (25)

网络扫描nmapsudo apt-get install nmap$nmap -v -sT 192.168.1.0/24 --open$nmap -v -sT 10.10.0.0/16 -p 6379 --open 扫某个端口 ...继续阅读 (27)