$ export DISPLAY =: 0.0 // This is the case for installing on the local machine. If it is on another terminal, change it to export DISPLAY = ip: 0.0, this is because 127.0.0.1 of the local machine is omitted.
3. Execute the graphical interface installation steps:
Step 1: do not check the check box, do not fill in the email, directly go to the next step, ignore the pop-up warning box (no email warning is provided)
The pop-up warning is as follows:
Step 2: select the installation type (cr
Oracle standalone environment enables automatic database startup upon startup
In both Windows and Unix environments, Oracle databases can be automatically started.
In Windows:
The experiment method is relatively simple. It can be implemented by modifying the registry or using the oradim command:
Oradim-edit
In Unix:
Experiment with the dbstart command that comes with the database.
Command: dbstart + {full path of ORACLE_HOME}
Principle:
1. When the o
Sometimes we need to invoke different versions of Python packages and modules in our program, so we can use Virtualenv's virtual environment to help us isolate them, so let's take a look at installing Windows with virtualenv to create a standalone Python environment
0. When will the virtualenv be used?Suppose that the two applications in the system, where a application to the library Libfoo version requirements of 1, and B application to the same lib
installed, you need to install it first:If make is not installed, you need to install it first:sudo apt-get install make3), switch to the redis-3.0.7 directory, compile the program, install the program (if you want to install make on the server): Make"If an error is encountered" make[1]: Entering directory '/home/cb/environment/redis-3.0.7/src ' CC adlist.o .....Then execute the following command to compile:Make MALLOC=LIBCCompiled successfully:4), into the SRC directory, the interpretation of
Premise, jdk1.7,scala,hadoop single node installedSteps:Spark-env.sh join:
hadoop_conf_dir=/root/------ indicates that you are using resources on HDFS, and if you need to use local resources, log out of this sentence2,slaves3,spark-defalts.conf--------------------------------------------------------------------------------------------------------------- --Start:cd/root/soft/spark-1.3.1sbin/start-master.sh Start Master Sbin/start-slaves.sh start workerFrom for notes (Wiz)Install
Test instructions: The company has n people to form a tree structure, in addition to the boss have only a direct boss, ask to choose as many as possible, but not at the same time select a person and his direct supervisor, ask the maximum number of people can choose, and is not the only solution.Analysis: This question is almost the biggest independent set problem of the tree, but one more judgment uniqueness. Use two arrays, one to record the number of people, one to judge uniqueness.D[u][0], in
personally test).The software engineering provided in this article is based on the St standard Peripheral Library, rather than using STM32CUBEMX to establish the project. Personally feel that using ST's standard Peripheral library suitable for learners, STM32CUBEMX building engineering structure complex, for learners, especially beginners are estimated to be headache.Today's project is based on the project "stm32f0xx_tim Basic Delay configuration Detailed process" modified, the above examples a
"/>DAG Replication Network configuration is simple, after entering the replication network name, add the DAG private subnet segment, the system will automatically identify the network segment of the two DAG network card IP, tick the bottom of the "Start Replication", click Save.650) this.width=650; "Width=" 518 "height=" 726 "title=" image "style=" border-top-width:0px;border-right-width:0px; border-bottom-width:0px; "alt=" image "src=" http://s3.51cto.com/wyfs02/M00/7D/31/wKiom1biHEWCECMlAAA_
First, prepare the software
Install Java1.8 and Tomcat9 in advance.
Download Solr6.1, website location: http://mirrors.tuna.tsinghua.edu.cn/apache/lucene/solr/6.1.0/
3. Extracting filesSecond, installation1. Copy the WebApp folder under the Solr-6.1.0\server\solr-webapp folder to the Tomcat installation directory \webapps\ directory and change to SOLR2. Copy all jar packages under the Solr-6.1.0\server\lib\ext\ directory to the Tomcat installation directory \webapps\solr\web-in
Download the stable version of HBase from the Apache official website: http://mirror.bit.edu.cn/apache/hbase/stable/hbase-1.1.2-bin.tar.gz
Unzip to any directory on this machine, on my computer is/home/jason/hbase:tar XVFZ hbase-1.1.2-bin.tar.gz
Modify the/etc/profile file to increase the environment variableHttp://my.oschina.net/u/914897/admin/new-blogexport hbase_home=/home/jason/hbase/hbase-1.1.2Export path= $PATH: $HBASE _home/bin
Source/etc/profile make configuration effective
C
One, the ZK alone to build1. Modify the configuration file: Conf/zoo.cfgJava code
Ticktime=
Datadir=/home/hadoop/data/zookeeper
clientport=2181
initlimit=5
synclimit=2
Server. 1=slave-:2888:3888
Server. 2=slave-:2888:3888
Server. 3=slave-:2888:3888
2. Generate the myID fileJava code
In the slave-01
echo "1" >/home/hadoop/data/zookeeper/myid
In the slave-02
echo "2" >/home/hadoop/data/zookeeper/myid
In the slave-03
ec
CodeUITestExe.exe, and when you do the test, you can C:\Program Files\Microsoft Visual Studio 10.0\ when the DLL is not found The DLL under Common7\IDE\PrivateAssemblies is copied to debug under the Microsoft.VisualStudio.TestTools.UITest prefix.When you copy the program code to another computer, you will be prompted to "cannot perform" on the control error when you perform the test, and continue to find the error "CLSID {6DA215C2-D80D-42F2-A514-B44A16DCBAAA} Failed due to the following error:8
1. First download the http://mirror.bit.edu.cn/apache/hbase/hbase-1.0.1/hbase-1.0.1-bin.tar.gz installation package from the official website 2. Unzip to the installation directory, TAR-XVF hbase-1.0.1-bin.tar.gz 3. Modify Conf/hbase-site.xml 3. Modify Hbase-env.sh, add Export Java_home=/usr/java/jdk1.7.0_75/export Hbase_classpath=/usr/hbase-1.0.1/confexport HBASE_MANAGES_ZK=true Note: A distributed run of HBase relies on a zookeeper cluster. All nodes and clients must be able to access the zoo
= @ftp (@ftp refers to the FTP group, if the user does not need @, multiple users are separated by a space) Read Only = no (whether read only) browsable = Yes (if visible, no if open shared path is not seen folder, but can be accessed directly through the path) writable = yes (writable) save after exiting, restart service: sudo restart SMBDNow go to Windows--run->\\192.168.1.xx (Ubuntu IP address)Should be able to see the storage folder, enter after the attempt to create a new file, if everythi
events from icloud have proved my concern about cloud storage to be correct. I think the cloud makes it easy for us to work together and share non-sensitive files, but it's definitely not the ultimate storage solution for all the information. It's like you can't put cash in a safe and put a safe in someone else's place, even if the person promises you, "he'll be there for you, at your service."No one can guarantee that the data will be stored in absolute security. If the data is sensitive enoug
ASM is a storage product released by Oracle for rac. Although it is set for the cluster environment, we can also use ASM instances to manage disks in a single-host environment.
ASM is a storage product released by Oracle for rac. Although it is set for the cluster environment, we can also use ASM instances to manage disks in a single-host environment.
ASM is a storage product released by Oracle for rac. Although it is set for the cluster environment, we can also use ASM instances to manage
of the client after 10 heartbeats (that is, ticktime) length. The total length of time is 5*2000=10 seconds Synclimit: This configuration item identifies the message sent between Leader and Follower, the length of the request and response time, the maximum length of time to Ticktime, and the total length of time is 2*2000=4 Seconds DataDir: As the name implies is Zookeeper to save the data directory, by default, Zookeeper will write the data log file is also stored in this directory. ClientPort
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