# $# indicates the total number of arguments supplied to the shell script or function;# 1 indicates only one parameter.#/bin/bash#file: tun_rs.shIf [$#-ne 1];Thenecho "Usage: $ virtualip"echo "such as: $172.19.58.200″Exit 0FiVip=$1# RS does not need to be forwardedecho "0" >/proc/sys/net/ipv4/ip_forward# Modify Eth0 MTU to 1440 for TCP server/sbin/ifconfig eth0 MTU 1440# Configure Tunl0/sbin/ifconfig tunl0 up/sbin/ifconfig tunl0 ${VIP} broadcast ${
In a previously done project, the pre-customer did not put forward the need for fixed IP features, customer application system has been launched after the customer put forward their public IP will change, resulting in the entire application paralysis, need to re-change the configuration file to use, where the customer's application can only identify IP, do not recognize DNS. Before encountering the requirements of their own to do is to add a virtual machine under the same cloud service in the sa
to the NFS archive target should be set as non-emphasizing archive. When the archiving operation on NFS is mandatory, if a network fault occurs, the NFS Installation Point is no longer available,The Archiving operation fails, which causes the database system to be suspended.
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Under normal circumstances, the node application in the cluster will not be changed, and no subsequent configuration or changes are required. However, the srvctl tool also provides functions such as deleting, adding, and
Six room VIP Membership card is divided into two kinds: Green Card membership card and yellow card membership card
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Six room Green Card membership card privileges are as follows:
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A virtual IP address (VIP) is a public IP address that can be used to access compute resources in Azure (web/worker/virtual machine). Each time a cloud service is created and a compute resource is assigned, a VIP is automatically assigned to the service. The VMS in the cloud service can be configured to use the specified port number to communicate with the VIP re
Keepalived can build a high-availability service using multiple stateless single points, such as Keepalived+nginx,lvs,haproxy and memcached, through virtual IP (hereinafter referred to as VIP) drift. Its implementation is based on the VRRP protocol, including the core of the master campaign mechanism is agreed in the VRRP agreement.First, configuration instructions:The configuration of keepalived is located in/etc/keepalived/keepalived.conf, and the c
Keepalived can build a high-availability service using multiple stateless single points, such as Keepalived+nginx,lvs,haproxy and memcached, through virtual IP (hereinafter referred to as VIP) drift. Its implementation is based on the VRRP protocol, including the core of the master campaign mechanism is agreed in the VRRP agreement.First, configuration instructions:The configuration of keepalived is located in/etc/keepalived/keepalived.conf, and the c
This article mainly introduces how to capture thunder VIP accounts in PHP. The example analyzes the skills related to page capturing and regular expression matching in php Based on Snoopy of the Collection class, which has some reference value, for more information, see
This article mainly introduces how to capture thunder VIP accounts in PHP. The example analyzes the skills related to page capturing and re
In response to the year in the distant classmate's proposal, in the year before trying to pay a VIP training.Courseware for training: Click to downloadTraining period: Around 10 courses, 1.5 hours per nightTraining Price: 1000 yuan/person.Registration method: Have intention to add QQ group: passing autumn. NET VIP Training 278667143Registration time: Valid for this week (until 2015-12-25).Start time: Next w
Work for 8 years, did not develop an effective accumulation of experience, from today began to recall some of the problems encountered in the process and solutions.From last week after the company changed the firewall all the external MIP and VIP failure to say:Background: Juniper Firewall replacement, the old firewall configuration directly into the new firewall, after the line switch intranet access to all normal, testing outside the network release
Users of QQ reading software to the detailed analysis of the sharing of QQ reading view the monthly VIP Experience Card information method.
Method Sharing:
1, open QQ Reading, click on the upper left corner of the "head";
2, in the sidebar of the side of the monthly privileged column, you can see the monthly VIP Experience Card information: Expiration time.
Well, the above informat
CN2137 star Python programming video VIP tutorial [200G]Nginx Getting started to practice nginx to practice nginx Introduction to PracticeThe beginning of the new year, learning to be early, drip records, learning is progress!Essay background: In a lot of times, many of the early friends will ask me: I am from other languages transferred to the development of the program, there are some basic information to learn from us, your frame feel too big, I ho
In the Oracle RAC environment, each node has multiple IP addresses: Public, Private, and Vip. What is the difference between these three IP addresses? Which occasions are used separately? Let's take a look at the answers from foreigners.1. private IP address is used only for internal clustering processing (Cache Fusion)Private IP addresses are used for heartbeat synchronization, which can be ignored directly at the user level. This Ip address is used
This article describes the high availability of mysql master/master replication + keepalived (using VIP to access the database prompts that connection is not allowed), which has some reference value. let's take a look at it.
Mysql master-master replication + keepalived high availability (using VIP to access the database prompts that connection is not allowed) _ MySQL
ERROR 1130 (HY000): Host 'nginx-
lb when the VIP deletion, if the status of the VIP is error, then delete the underlying namespace in the tap device, there is a bug. If I later create the same IP VIP, it will not communicate properly because there are two tap devices with the same IP. Database tier:neutron/db/loadbalancer/loadbalancer_db.pyIf the driver is Haproxy, the code for the specific remo
A virtual IP address (VIP) is a public IP address that can be used to access compute resources in Azure (web/worker/virtual machine). Each time a cloud service is created and a compute resource is assigned, a VIP is automatically assigned to the service. The VMS in the cloud service can be configured to use the specified port number to communicate with the VIP re
At present, many production databases are two node RAC, application connected database will usually connect scan IP or VIP, here do a small experiment, if we use VIP connection,How to configure our clients, load balancing is a strict rotation mechanism, only through their own testing to get ready to answer.
Tnsnames.ora Configuration
# Tnsnames.ora Network Configuration File:/u01/app/oracle/pr
Tags: style blog color os io using AR for dataMetalink Note 283107.1 describes how to set up an IPMP for a VIP, where the setup process is recorded. o Existing 10g RAC installation ^^ ^^ ^^ ^^ ^^ ^^ ^^ ^^ ^^ ^^ the ^^ ^^ ^^ ^^ ^^ ^ for Existing 10g RAC installations, use SRVCTL to Modify the VIP to use all the NIC ' s within the same IPMP group. The following example is configuring the
How to decrypt the configuration of the VIP version of the remote control trojan in Gh0st 1.00x00 Introduction
Gh0st is an excellent open-source remote control software developed by Cooldiyer of The Red Wolf group. Some time after the release of open-source 3.6, the author has extensively rewritten it and released the 1.0 Alpha version. This version has VIP and I am lucky to collect a set. What do you want
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