In Linux, the dual-host (multi-host) automatic mutual backup solution-Linux Enterprise Application-Linux server application information. The following is a detailed description. Question: Our company has two LINUX servers, each of which has only one hard disk. Therefore, the backup issue is particularly important. We have a mysql database installed. Of course, we also need to solve the problem of mysql back
WCF host validation queue and wcf host queue
ServiceHost host = new ServiceHost(typeof(Service1)); if (MessageQueue.Exists(@".\private\MyMessageQueue") == false) { MessageQueue.Create(@".\private\MyMessageQueue", true); }
host.Open();In the above example, the
Applicable situation
(1) No network, no network cable
(2) Host direct connection broadband (no router)
Scene:
Host Windows 7
Virtual Machine Windows XP
The virtual machine has SQLServer2005 installed, and the host wants to connect to the database using the virtual machine
References: http://blog.csdn.net/w_ww_w/article/details/7348328
Implementation steps:
1.
Virtualbox network ip address mutual access + host/host internet access settingsThere are three types of virtualbox network connections.NAT: hosts cannot be accessed when accessing the InternetHost Interface: opposite to the first one, accessing the Host cannot access the InternetIntelnal Network: build a virtual Network using all the virtual machines on the host
Apache IntroductionApache HTTP Server is an open-source Web services software that maintains over half of the Web server space, and Apache servers can run on most operating system platforms such as Linux, UNIX, and Windows.Apache server performance in terms of functionality, performance and security are more prominent, can better meet the needs of Web server users, and its main features include the following aspects:
Open Source Code
Cross-platform applications
Supports a variet
Nbsp; problem: two LINUX servers, each with only one hard disk. Therefore, the backup issue is particularly important. We have a mysql database installed. Of course, we also need to solve the problem of mysql backup. Objective: host machine (eventually all backups are stored on it) ship machine (save host machine backup)
Question: Two LINUX servers each have only one hard disk. Therefore, the backup issue i
Comparison of CDN Cloud host and traditional virtual host functionTraditional virtual host is a single server, once the machine hardware damage, IP is blocked, computer room network failure, etc., will lead to the site can not access, serious situation data can not be retrieved in time, even if want to change a service provider also because there is no data and h
Modify the Host Name and Centos Host Name
Centos configuration Host Name:
1. First query the current host name
[Root @ localhost ~] # Hostnamectl status Static hostname: ****** // permanent host name Pretty hostname: [*******] // temporary
Modify the Host IP address and host name in Linux.
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reproduced in: https://www.linuxidc.com/Linux/2016-09/135521p3.htmThree, Host-only (host mode only)Host-only mode is actually NAT mode to remove the virtual NAT device, then use the VMware Network Adapter VMNET1 Virtual network adapter to connect VMNET1 Virtual Switch to communicate with the virtual machine, Host-only
For example, you can set up a different domain name query interface and domain name registration interface, that is, you can use the new network domain name interface query, with a network of domain name interface registration. Different domain name types, you can use a different domain name interface to register. For example:. CN's domain name can be registered with the domain name interface of the new network interconnection,. com domain name can be registered with the domain name interface of
Windows Service Demo for the WCF host and Windows Demo for the wcf host
Try to host the service on the window service. The procedure is as follows:
Entire Solution
1. Create a window service
Wcf. WinService
Namespace Wcf. winService {public partial class CalService: ServiceBase {public ServiceHost serviceHost = null; // service
Chapter 4 SignalR self-managed host and Chapter 4 signalr-managed hostChapter IV SignalR self-managed host
The SignalR server is usually used in Asp.. Net application, but it can also run as a self-managed host (like a console application or a Windows Service) Like Signal2.0, the self-built library is based on. net open Web interface (OWIN) to build. OWIN defines
Nginx application scenarios, Nginx virtual host configuration tutorial, Nginx reverse proxy, nginx Virtual Host
I. Nginx application scenarios
1. http server. Nginx is an http service that provides http services independently. Web static servers can be used.
2. VM. Multiple websites can be virtualized on one server. For example, the virtual host used by a persona
When we use Xshell to connect Linux hosts on Windows, we need to transfer files to a Linux host or obtain files from a Linux host, the RZ and SZ commands can be used, and the benefits of RZ and SZ are simple and convenient as long as the file transfer is enabled by the terminal Input command.RZ: Run this command, the Linux host receives the file, relative to the
Question: two LINUX servers each have only one hard disk. Therefore, the backup issue is particularly important. We have a mysql database installed. Of course, we also need to solve the problem of mysql backup.
Project: host Machine (all backups are stored on it) ship Machine (save host Machine backup)
Method: use shell scripts to package the files to be backed up. Then download the file through ftp and u
The Host header is a bound domain name, Host header is not required if no domain name exists
The so-called host header is called from the function of binding domain names in IIS. Generally, port 80 of an IP address on a Web server can only correspond to one website correctly and process access requests for one domain name. While the Web server does not use multip
1. Cache
The corresponding engineers are too familiar with caching, which is too convenient. the way resources or data are obtained is omitted, and the cache is directly the fastest place for user access, which also reduces the pressure on the server. For example:
(1) static file acquisition
Server> CDN> Local disk> Local Memory
(2) Data Acquisition
Databases> memory databases
(3) host Cache
Master Domain Name Server-> top-level domain name server-> R
Background introductionTraditional HTTPD service can only provide service to one host, sometimes there will be the same IP address for multiple hostnames to provide service requirements, the following is to introduce the specific steps, topology diagram as follows:650) this.width=650; "src="/e/u261/themes/default/images/spacer.gif "style=" Background:url ("/e/u261/lang/zh-cn/ Images/localimage.png ") no-repeat center;border:1px solid #ddd;" alt= "Spac
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