By default, an instance in a nondefault VPC is not assigned a public IP address, and is private.You can make an instance in a nondefault VPC public by attaching an Internet gateway to the VPC and providing the instance with a public IP address. In th…

For private IP address: aws ec2 describe-instances --instance-ids i-b78a096f | grep PrivateIpAddress | head -1 | awk -F ":" '{print $2}' | sed 's/[",]//g' For public IP address: aws ec2 describe-instances --instance-ids i-b78a096f | grep Pu…

I’d like to call your attention to a new feature that we rolled out earlier this month. You can now provide us with a configurable Reverse DNS record for any of your Elastic IP addresses. Once you’ve supplied us with the record, reverse DNS lookups (…

Question: On CentOS 7, I want to switch from DHCP to static IP address configuration with one of my network interfaces. What is a proper way to assign a static IP address to a network interface permanently on CentOS or RHEL 7? If you want to set up a…

<Windows Azure Platform 系列文章目录> 在之前的文章中,笔者已经详细介绍了如何将Virtual Machine加入Virtual Network,并且绑定固定的Private IP和Virtual IP Address (公网IP地址) Windows Azure Virtual Network (5) 设置Azure Virtual Machine固定Private IP       Windows Azure Virtual Network (6) 设置Azure…

<Windows Azure Platform 系列文章目录> 本文介绍的是国内由世纪互联运维的Azure China 熟悉Azure平台的读者都知道,我们在使用Azure Virtual Machine,会有公用虚拟机IP(VIP)和内部IP(DIP).截图如下: 在Azure平台,关于IP有非常重要的概念 1.VIP (Virtual IP),这个是Azure负载均衡器(SLB)的IP地址.当2台Azure VM部署在同一个Cloud Service下,这2台Azure VM的VIP是相同…

From: https://www.wentong.org/codex/question-2018081564702.html When using socket.IO in a Node.js server, is there an easy way to get the IP address of an incoming connection? I know you can get it from a standard HTTP connection, but socket.io is a…

HTTP The Definitive Guide Early web pioneers tried using the IP address of the client as a form of identification. This scheme works if each user has a distinct IP address, if the IP address seldom (if ever) changes, and if the web server can determi…

远程连接mysql数据库时可以使用以下指令 mysql -h 192.168.1.104 -u root -p 如果是初次安装mysql,需要将所有/etc/mysql/内的所有配置文件的bind-address=127.0.0.1全都注释掉 [mysqld] # # * Basic Settings # user = mysql pid-file = /var/run/mysqld/mysqld.pid socket = /var/run/mysqld/mysqld.sock port = b…

[root@testdb11b ~]# /u01/app/oraInventory/orainstRoot.sh Changing permissions of /u01/app/oraInventory. Adding read,write permissions for group. Removing read,write,execute permissions for world. Changing groupname of /u01/app/oraInventory to oinstal…