) Ensure that the iptables permissions are:-rw-r--r--A Seven levels of information1) Info2) Notice3) Warning or warn4) Err or error5) Crit6) Alert7) Emerg or panic: causes the system to almost freezeB Designation of information level1). XXX: Indicates information that is greater than the XXX level2). =XXX: Represents information equal to XXX level3).! XXX: Information indicating the level outside of XXXAdditional:Change the Linux rsyslog date formatDefault time format: Dec 16 09:52:01, looks una
first time to use Ubuntu system, it is recommended to look.Until this appears, stating that the installation is complete, click Restart now to restart the system.After installation, reboot the system and enter the login screen.Log in to the system.From the tools on the left, you can see that Ubuntu desktop comes with a lot of tools, such as our common Firefox browser, and some office software. There is also an App store, like iOS, where you can find software like QQ.The Ubuntu installation is c
A. DownloadWebsite: http://apache.fayea.com/hbase/stable/I downloaded the stable version of the hbase-1.0.1.1-bin.tar.gz, download and unzip to the previous Hadoop folder.Two. Environment variable settings1. Open the Conf folder in the hbase-1.0.1.1 folder and modify the hbase-env.sh in it:Export Java_home=/library/java/javavirtualmachines/jdk1.8.0_45.jdk/contents/homeExport hbase_classpath=/users/liu/hadoop/hbase-1.0.1.1/conf2. Then modify the Hbase-site.xml:Note: The/users/liu/data/hbase can b
;border:1px solid #ddd;" alt= "Spacer.gif"/>650 "this.width=650;" src= "http ://s3.51cto.com/wyfs02/m02/8a/a0/wkiom1g1y5md_bxjaaswx2hnsqw153.png "title=" 33311.png "alt=" wKiom1g1Y5mD_ Bxjaaswx2hnsqw153.png "/>Analysis Creation Node:-S: Serialization-E: Short.Type:To create a transient non-serialized node:-ECreate short Serialization:-S – eCreate persistent non-serialization: EmptyCreate persistent Serialization:-S1. Use ls command to view the current ZooKeeper What is included in the:[Zk:202.11
3. On Spark-master, add all public keys to the Certified public key file Authorized_keys
Cat ~/.ssh/id_rsa.pub* >> ~/.ssh/authorized_keys
4. Distribute public key file Authorized_keys to tomas122, tomas123 nodes
SCP Root@10.62.32.109:/root/.ssh/authorized_keys ~/.ssh/
5. Verify SSH no password login on each machine
SSH tomas122
ssh tomas123Note:. The permissions for the SSH folder must be 700,authorized_keys file permissions must be 600 or 644
iii. installation of Spark
Install spa
Dojo Build Package standalone JS file optimization load significantly shorten page load time
blog.csdn.net/joyous/article/details/79905937
Dojo is a very powerful JS open source front-end library, design avantgarde, low coupling, each module (control) JS file Independent, the use is very convenient, to meet the vast majority of enterprise Web application development, but because of JS file dispersion, if not packaged compression direct use, especially
The previous article explained the Redis installation on CentOS.
Now let's take a look at the installation of Redis standalone Multi-instance
First turn off Redis
Based on the configuration file location of the previous Redis installation
First we copy the Redis configuration file
Cp/etc/redis/6379.conf/etc/redis/6380.conf
Then modify the information in the 6380.conf configuration file:
Port ports changed to 6380
Data storage directory dir chang
Boot press F1 Enter the BIOS interface, Config,display, change to Integrated Graphics, press F10 (or FN+F10) to save the exit
ThinkPad E430, e430c, E530, E531, E431, S431, S531 after installing Win XP, the system cannot use the discrete graphics card, there will be unknown devices in the Device Manager, not installed.
Steps to resolve:
The standalone graphics card is not available in XP mode and requires an integrated video card to be specified und
reasonable allocation of system resources, there will not be too much problem.Four, mysql5.5 multi-Instance deployment method4.1 MySQL Multi-instance deployment has 2 methods: one uses the Mysqld_multi configuration, one multi-instance defines the different configuration file separately. Let's talk. Using the Mysqld_multi configuration (mysql-5.5.36.tar.gz, cmake-2.8.8.tar.gz)1. Synchronization Time#yum install-y NTP#ntp-S time.windows.com#hwclock-W2. Install the required dependency package for
) Validate that the candidate disks is being discovered: Select Path from V$asm_disk; Create A new ASM instance SPFile: Sql> create SPFile from Pfile; ADD the new ASM SPFile and listener to the new ASM instance resource: $> 11.2 Grid Infrastructure Oracle home>/bin/srvctl modify ASM- p path>
$> 11.2 Grid Infrastructure Oracle home>/bin/srvctl modify ASM- L LISTENER Validate the Ohas (Oracle Restart) services start as follows: $> 11.2 Grid Infrastructure Oracle home>/bin/crsctl Stop
= 2mwrite_buffer = 2m[mysqlhotCopy]interactive-timeout 8. Configure file permissions for multiple instancesAuthorizing MySQL users and groups to manage multi-instance catalogs/data# Chown-r Mysql.mysql/data9. Configure environment variables for MySQL commandsMethod One:# echo ' Export path=/usr/local/mysql/bin: $PATH ' >>/etc/profile# Source/etc/profileMethod Two:Copy the command below the/usr/local/mysql/bin/to the Global System command path/usr/local/sbin/, or make a link10. Initialize the da
Mac Configuration Hadoop1. Modify/etc/hosts127.0.0.1 localhost2. Download the hadoop2.9.0 and JDK and install the appropriate environmentVim/etc/profileExport hadoop_home=/users/yg/app/cluster/hadoop-2.9.0Export hadoop_conf_dir= $HADOOP _home/etc/hadoopExport path= $PATH: $HADOOP _home/binExport Java_home=/library/java/javavirtualmachines/jdk1.8.0_144.jdk/contents/homeExport path= $PATH: $JAVA _home/bin3. Configure SSH (password-free login)SSH-KEYGEN-T RSA generates public and private keysCat Xx
Tags: same bin set font parameter Description Restart Start log stat1.cd /opt/zookeeper-3.4.52. Enter the Conf subdirectory under the Zookeeper directory to create the zoo.cfg and add the content:Zoo.cfg to copy the zoo_sample.cfg under the Conf, otherwise there will be a coding problem.ticktime=2000initlimit=10Synclimit=5Datadir=/home/files/zookeeper/zkdataDatalogdir=/home/files/zookeeper/zkdatalogclientport=2181server.1=10.45.54.145:2888:3888 (Use your IP here)parameter Description :The base
introduced;First KindTo install the software, you need to enter the update mode, into the update mode is to give up all the software protection; Here are the commands you need to enter.Access: Sadmin BUExit: Sadmin EUThe second creates a trusted directory to create a shared folder, which you can set as a trusted directory.Sadmin Trusted-u \\192.168.1.1\shareRemove Trust directory Sadmin trusted-r \\192.168.1.1\shareDisplay Trust Directory Sadmin trusted-lThe third type of trust certificate adds
Downloading the http://www.atlassian.com/software/jira/ version from the jira-enterprise-3.6.4-standalone version standalone comes with a tomcat 5 server. Decompress the file in the current directory, and the entire application is under the \ atlassian-jira-enterprise-3.6.4-standalone folder, hereinafter referred to as the Jira directory. The procedure is as foll
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