Keepalived + redis implement high-availability automatic failover and keepalivedfailoverKeepalived + redis for high-availability automatic failoverInstall redis and keepalived on server A (10.0.11.2) and server B (10.0.12.2)A is the default master and B is the slave (add SLAVEOF 10.0.11.2 6379 TO THE redis configuration file ).Redis on A and B All enable localization policies. Appendonly yesContents of the keepalived configuration file for server A ------- begin ------! Configuration File for ke
In front of a period of time only Cocos2d-x in IOS platform development, learning Cocos2d-x is not for his cross-platform features? Therefore, we must also master the development under Android, In order to detonate the cross-platform characteristics of Cocos2d-x, play its biggest strengths.
Cocos2d-x version development is very fast, and in the development environment of Android + Eclipse configuration super complex, very pitfall have wood ah ????
If you find something different, it may be cause
Installing Oracle Block Browser and Editor tool (bbed), installingbbedBBED is an internal ORACLE tool. Generally, BBED is used to restore faulty databases, for example, if the data file header is inconsistent due to power failure or abnormal shutdown of the operating SYSTEM, or the SYSTEM tablespace is damaged, you can use the BBED tool for recovery. The following error is usually reported during compilation in 11G: [oracle @ ogg1 lib] $ make-f ins_rdbms.mk $ ORACLE_HOME/rdbms/lib/bbed
Linking
bbed is an internal tool for Oracle, and typically uses bbed to recover some of the failed databases, such as data file header inconsistencies caused by power outages or abnormal shutdown of the operating system, and system tablespace corruption, which can be recovered using the bbed tool. compiling in 11G usually reports the following error:[email protected] lib]$ make-f ins_rdbms.mk $ORACLE _home/rdbms/lib/bbedLinking bbed utility (bbed)Rm-f/opt/ora
Build a high-availability cluster of Hadoop2.7.1 Spark1.7 on a Single Machine Based on Docker
Build a high-availability cluster of Hadoop2.7.1 Spark1.7 on a Single Machine Based on Docker
Get Ubuntu Image
Sudo docker pull ubuntu
Download spark1.7 hadoop2.7.1 scala1.1 zookeeper3.4.6 jdk1.8, decompress the package, and place the local folder for mounting to the container.
And create a file under the folder
Authorized_keys
Hosts
In this example, use/home/docker/config
Start container
Sudo docker ru
Create a cloudera-SCM user (with a branch, This is a Linux Command ,)
[[emailprotected]cloudera-manager-5.1.0]$sudouseradd--system--home=/opt/cloudera-manager-5.1.0/run/cloudera-scm-server--no-create-home--shell=/bin/false--comment"ClouderaSCMUser"cloudera-scm
Change server_port and server_host in/opt/cloudera-manager-5.1.0/etc/cloudera-SCM-agent/config. ini and change server_port to the host name or IP add
Today, Dr. ke zhiheng's experiment 23 compared different wireless network routes, DSDV/Oscar/DSR. I wrote scripts and awk programs according to the requirements in the book, and the test went smoothly. However, in Experiment 2, a message indicating that the UID of the event is invalid occurs during the DSR experiment. Check the trace file and find that it is at the position of about 56 s. I checked a lot of information and found no solution. And do not dare to modify Mac files. But after reading
the legal binding authority as the person enrolling your organization in the IOS Developer Enterprise program, yo U must has the legal authority to bind your organization to legal agreements. You must is the organization ' s Owner/founder, executive team member, senior Project lead, or has legal authority granted To a senior employee.Also be aware of. 1, the company's official website and the like must have, and is true, 2, in advance ready to pay for the use of visa or master credit card.Start
immediately use, because, TransUnion and Apple is not a company, in your code after the application, will be the entire number to Apple, and then Apple will enter the entire number, waiting for developers to apply, The whole process is about 14 working days or more, so you'd better wait 14 working days to take the code to submit, if you are anxious to submit, this will have three opportunities, if not passed, then your this code is void, you need to
it.https://idmsa.apple.com/IDMSWebAuth/login?appIdKey= 891bd3417a7776362562d2197f89480a8547b108fd934911bcbea0110d07f757path=%2f%2fmembercenter%2findex.actionClick this link to go to the Apple Developer login screen, login to the Apple ID you just applied, the interface is the following lookIf you are a newly registered AppID and have not logged in here, there should be a login to agree to a developer of Apple's legal provisions of what, directly choose to agree, and then the next step can beBec
In the following list, "Opt" is the abbreviation of "option key" on the keyboard. "cmd" is the abbreviation of "command key" and "Ctrl" is the abbreviation of "control key. The author says that all buttons have been tested, but the translator has not used all button combinations in person, so this article is for your reference only. If you want to try button combinations that have not been used, please be careful.
1. Press ......
Click the mouse butto
This article will introduce how to install xampp in ubuntu, including the configuration methods of php, apache, mysql, and phpmyadmin, if you need to learn how to install xampp on ubuntu, refer.
First, download the latest XAMPP version from www.xampp.org. Then, the Installation File Server knows/opt and decompress it. If your computer does not have the/opt directory, run the mkdir/
Tags: Dahne-linux basic-day02Linux commands:An instruction or program used to implement a certain type of function.The execution of the command depends on the interpreterShell (interpreter) system default interpreter for/bin/bashExecution process:User Send command-interpreter-kernel-hardwareMount Command:Mount is to install/CD/DVD/partition/NAS/u disk and other network devices installed under a Linux directory, the various command tools to access the Linux directory to operate these devices.Form
First, please download the latest version of XAMPP from www.xampp.org. Then, the installation file is known/opt and unzipped. If your computer does not have a/opt directory, use Superuser status to execute the mkdir/opt command to create the directory. If the computer does not have sudo command, use the SU command and enter the superuser password to switch to Sup
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