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Tags: ror des https mode IaaS too password GPO empowering1. Introduction1.1. Official website: https://www.rabbitmq.com/2. Installation and configuration:See: Https://docs.openstack.org/ha-guide/shared-messaging.html#rabbitmq-configure2.1. Install: Do it on each nodeInstalled directly with Yum, the installation package is available in OpenStack's Yum sourceYum Install Rabbitmq-serverStart Service (Confirm cookie file has been generated)[Email protecte

Reprinted from Http://blog.163.com/[email protected]/blog/static/164767406201221614650717/Since the CentOS Yum is developed using the python2.4.x, it does not support a later version of Python installation, so a manual installation is required.Install the dependency package first, run the following commandYum install-y gcc makeYum install-y libxml2Yum Install-y libxsltYum install-y pkgconfig Zlib-develYum Install-y libgcrypt-devel#备份文件/usr/bin/python (be sure to back up or Yum will not run after

A desktop Ubuntu memory is 3G, but free has only 200M of memory and cannot meet the needs of Scala's JVM.Note Use the top command to see the true free memory. Here's another command to see how much memory is actually used. Watch-n 1 Cat/proc/meminfo Search found that there are three ways to achieve the purpose of freeing memory: Watch-n 1 free-m Or Free-m The above method only increased by dozens of M. sudo sysctl-w vm.drop_caches=3 The purpose o

configuration, when the UART2 is configured with the RTS pin function, in the. CONFIG file under the source root, a macro is displayed about Uart2 as the matching macro, at which point it is named defined (config_ NUC970_UART2_FC_PF). The result is in the static int Nuc970serial_pinctrl (struct platform_device *pdev) function in/drivers/tty/serial/nuc970_serial.c, The macro is named defined (CONFIG_NUC970_UART2_PF_FC), it is clear that the name of the macro is wrong, FC and PF position is rever

The entire cracking process is best broken network:1, after installing the MyEclipse2015 stable3, open the set up working directory, exit.2. Copy the files in the Plugins folder to the Plugins folder of the MyEclipse installation directory, if prompted for overwrite select Yes.3, run the Myeclipse2015_keygen directory crack.bat or directly run Cracker2015.jar:4, SystemID (need point two times, first will error), point active, point tools-->saveproperities5, registration machine do not close, ope

Because the main platform for the work of Linux, and Linux because there is no newer than the new GCC, only 4.7, and we use the c++11, have to upgrade their own, upgrade method is relatively simple, is time consuming. 1. Download the latest GCC source packagewget http://gcc.skazkaforyou.com/releases/gcc-4.9.1/gcc-4.9.1.tar.gz2. Unziptar -xf gcc-4.9.1.tar.gz豪享博娱乐城3.cd gcc-4.9.14. Run the Download_prerequisites script, ./contrib/download_prerequisites This script will automatically help you to dow

Spring.cloud.config.discovery.enabled is to read files from the configuration center. Spring.cloud.config.discovery.serviceId the Servieid of the configuration Center, which is the service name. It is found that the read configuration file no longer writes the IP address, but the service name, at this time if the configuration service deployed multiple copies, through load balancing, thereby high availability.Start in sequence Eureka-config-server-cluster

the requests module to verify that the address is using the appropriate Web page to crawl HTTPdefCIP (x, y): F= Open ("E:\ip_http.txt","a") f.truncate ()Try: Print(x+y) requests.get ('http://ip.chinaz.com/getip.aspx', proxies={'http': x+":"+y},timeout=3) except: Print('F') Else: Print('---------------------------Success') f.write (x+':'+y+'\ n')#To verify the availability of IP addresses, use the requests module to verify that the address is using the appropriate Web

; Span class= "Hljs-tag" >dependency> DEPENDENCIES> Configuration file bootstrap.properties, note is bootstrap. Plus the service registration address is http://localhost:8889/eureka/Spring. Application. name=config-clientspring. Cloud. config. label=masterspring.cloud.config #spring. cloud.config.uri= Http://localhost:8888/eureka.client.serviceurl8889/eureka/spring.config.discovery .enabled=truespring.cloud .config.discovery .serviceid=config-serverserver.port=8881 S

Google App Engine, and, more cool, pycharm support ironpython!7. WingThe Wingware Python IDE is compatible with Python 2.x and 3.x, and can be combined with Django, Matplotlib, Zope, Plone, App Engine, PyQt, Pyside, WxPython, PyGTK, Tkinter, Mod_wsgi, Pygame, Maya, MotionBuilder, NUKE, Blender and other Python frameworks are used. Wing supports test-driven development with integrated unit testing, nose and Django framework execution and debugging capabilities. The Wing IDE starts and runs very

What if VMware clones another Linux virtual machine and the NIC doesn't work?Principle: This is because, in the cloning of another, the new virtual machine network card for a MAC address, but the eth0 inside or the original address, so the result is not available.Solutions On the new Linux system: 1. vim/etc/udev/rules.d/70-persistent-net.rules Open this file and comment out the column of the original Nic MAC address Add the new eth1 to the original position, change to eth0, and rem

1. Display the number of physical CPUs: Cat/proc/cpuinfo | grep "Physical ID" | Sort | Uniq | Wc-12. Display the number of cores in each physical CPU (that is, the number of nuclei): Cat/proc/cpuinfo | grep "CPU Cores" | Uniq3, display the number of logical CPUs: Cat/proc/cpuinfo | grep "Processor" | Wc-1Number of physical CPUs X number of cores = number of logical CPUs (if not equal, your server CPU supports Hyper-Threading technology.) When we configure the application of the server, the numbe

the last line add:*soft Nofile 60000*hard Nofile 65535But everything was restored after the reboot. Correct practice:Vim/etc/rc.localUlimit-shn 655358. Turn off the write disk I/O functionThe Linux system has a default of 3 time files:Atime: Access time for this fileCTime: Time when the inode for this file has changedMtime: Modified time for this fileTo modify the file system configuration file:Open/etc/fstab/dev/sda5/data/pics ext3 noatime,nodiratime 0 0This will no longer generate write disk

This bug appears after installing Java, do not set environment variables, open eclipse directlyIn the future as long as the use of SSL-related (that is, RSA key encryption related) Code, will report this error, the method in Lib\ext Sunjce_provider.jar, if not set environment variables, will cause eclipse can not find the library under Lib\ext, so will error.Workaround:Remove all of the install JREs from Eclipse, then use Search to find JREs, and then restart Eclipse for problem resolution.Eclip

, install the guest system, here I installed red Hat Linux5, the installation process to ensure that the network connection selected is the NAT mode, of course modifications can be made after the installation is complete. Vmnet8. Vmnet1 is the interface of Hostonly, and VMNET8 is the network interface of the NAT that we are going to use.3, to Windows XP, to see all the network connection, you should find in addition to the original network card, there are more Vmnet1 and4, in the win host with i

, enter the default start page name of the publishing site. 3. NET version inconsistency Workaround: Enter the application pool interface in the application pool, right-click the Web site you want to publish--Advanced Settings ——. NET Framework version set to v4.0 of course, this release of the site, but also limited to mutual access within the local area network, if you want to network can also access, can be routed through the server and related settings, here is not redundant, intere

Tags: publish line Modify blog ima close Apple app png stepRecently, Apple released MacOS High Sierra, version 10.13, specifically for Mac Pro users, for the benefit of everyone to the Apple website, I am an upgrade to the new version of this system beneficiaries, but also become a victim: Open eclipse after the menu to see, Found dumbfounded, all menu bar options turned gray, completely unusable, such as:The workaround steps are as follows:1. Close Eclipse and find the Eclipse launcher Eclipse.

;Jastring> string>Kostring> string>nlstring> string>Nostring> string>Plstring> string>Pt_brstring> string>Ptstring> string>Rustring> string>Svstring> string>Trstring> string>Zh_hkstring> string>Zh_twstring> string>Zhstring> Array> 4. Then open the Eclipse folder, modify Eclipse.ini, add the content at the end: "-duser.language=en";5. Start eclips

Tags: LinuxToday in a test environment, CentOS was installed with Hyper-VIn CentOS, a version is displayed:Cat/etc/redhat-releaseThe result is:CentOS Linux release 7.4.1708 (CORE)Then, I looked for a variety of documents from the Internet, I do not belong to the situation can not find the network card, and later found that need to putOnboot=no Change to YesIn other words, you have to enable this network card, very simple.The conclusion is, do not think of simple things complicated, and do not th

Install Pidgin Internet communication Program 1Open Ubuntu Software Center, enter "Pidgin" to find, and then install it. Mine is loaded, so the display is "uninstall" END Configure the QQ function of Pidgin 1Open Pidgin, you will find inside support a lot of functions, but is the wood has QQ, instantly feel I pit, have wood? Don't worry, let's keep looking down. 2Now open Terminal , system default is Ctrl+alt+t shortcut key 3First enter sudo add-apt-repository ppa:lai