the corresponding relationship between the virtual machine IP address and the computer name of all Hyper-V hosts in the current SCVMM echo----IP address is from a Hyper-V host, so you can only target Windows virtual machines that have agents installed at this stage. echo----can be combined with the mail sending function to send echo "----powerd by nine uncles" $CC = Get-vmhost|select Computername$cc|foreach {The host of the virtual machine in the current list is: ($_.ComputerName) Invoke-comman
(the default) instead of all previously incorrect.elsif Inserting and (Sys_context ('Userenv','IP_Address') notinch('192.168.120.211') OR'Stuuser'Like v_username) Then Raise_application_error (-20001,'can not insert the table'); elsif Updating and (Sys_context ('Userenv','IP_Address') notinch('192.168.120.211') OR'Stuuser'Like v_username) Then Raise_application_error (-20001,'can not update the table'); END IF; END;4) Verify:sql>sql> INSERT INTO stu.zzz_testvalues (3, ' zhuren33 ');INSERT INTO
Tags: sys ref linux 16px today font input dev secondaryToday, when viewing a virtual machine, you find that a network card contains multiple IP addresses:eno16777736: theQdisc Pfifo_fast State up Qlen +Link/etherxx: 0c: in: 6b:a5:a2 BRD ff:ff:ff:ff:ff:ff inet192.168.213.132/ -Brd192.168.213.255Scope Global Dynamic eno16777736 valid_lft 1726sec preferred_lft 1726sec inet192.168.213.34/ -Brd192.168.213.255Scope Global Secondary eno16777736 valid_lft forever Preferred_lft ForeverWhere 192.168.213.
/*************************function Purpose: Gets the Remote Web page content of the specified server when the same domain name corresponds to multiple IPs* Date Created: 2008-12-09* Created by: Zhang Yi (img.jb51.net)* Parameter Description:* $ip The IP address of the server* The host name of the $host server* The URL address of the $url server (excluding domain name)* Return value:* Access to the Remote Web page content* False access to Remote Web pa
Method 1: A small number of IPs are manually bound:(here to bind IP to eth0 for example, the other network adapter words to modify the corresponding file name can be)1. Copy the Ifcfg-eth0 network adapter profile and rename it to ifcfg-eth0:0[[email protected]/]# cd/etc/sysconfig/network-cp ifcfg-eth0 ifcfg-eth0:02. Edit the ifcfg-eth0:0 file[Email protected]/]# Vim/etc/sysconfig/network-scripts/ifcfg-eth0:0DEVICE= "Eth0:0″// change here to eth0:0 wit
Ext.: http://blog.csdn.net/turkeyzhou/article/details/16971225Configure NIC IP aliases under Linux what is an IP alias?In the words of Windows, you configure multiple IPs for a network card.What is the occasion to add IP aliases?Web needs, multi-IP access testing, specific software for multiple IP needs ... and so on.Here are a few examples of how to use the Ifconfig command to configure an IP alias for a network card.First, configure a static IP addr
SSH connection after login:Entercd/etc/sysconfig/network-scriptsgenerally the first is the system default IP edit file. Some systems will have multiple connections, X36 on the new VPS, there will be 4 connections, that is, there are 5 files beginning with ifcfg, Ifcfg-lo is the loopback port. Preferably vi into the file editor, to see which file has the initial default IP, in the file modification! VI ifcfg-7i24nicEnter the configuration fileNew IP configuration command:ipaddr2=103.255.177.88pre
Because the author recently encountered such a situation, the number of servers to do networking planning, the client side gives a limited amount of IP,Not enough for each host to be assigned to IP, but I think again, not necessarily every service must use the DCN network address,So I think I can configure the network card that must use the DCN network address two IP, a DCN network address, a private IP address we define ourselvesThe author takes the operating system under VMware Virtual machine
Recently do the system performance optimization encountered a problem, after the solution to share to everyone.When we establish a connection through the socket, if our computer cannot connect with the specified site, then this will cause the system to be stuck on the socket connect method,We all know that the socket to establish a connection requires three handshake, the computer sends a message header to the server, the server returns, this time the socket basic connection is successful, but i
1. Test topology:
Note: The TCP Reset command cannot be issued from the original sensor port of the IPs because of the constraints of the simulated environment, so the test emits a TCP reset with the IPs other interfaces.
2. Basic configuration:
R1:
Interface fastethernet1/0
IP address 10.1.1.1 255.255.255.0
No shut
R2:
Interface fastethernet1/0
IP address 10.1.1.2 255.255.255.0
No shut
R3:
R3
=ethernetOnboot=yes
Two, a single network adapter to bind multiple IPsSometimes we need to configure multiple IPs on a NIC, for example, in the example above, we also need to configure IP 192.168.168.2 and 192.168.168.3 for eth0. Then you need to create a new two configuration file under/etc/sysconfig/network-scripts:ifcfg-eth0:0 content is as follows:
device=eth0:0Bootproto=staticipaddr=192.168.168.2netmask=255.255.255.0Onboot=yes
Preface: Two scripts, the implementation of multiple addresses are not contiguous IP ping test, the function of two scripts is the same, the script is as follows:First script:#!/bin/bashCat Iplist|while Read Line #iplist是存放IP的文档, with a script placed in a path, formatted with one IP address per rowDoPING-C2 $line >/dev/nullIf [$? = 0]Thenecho "$line is up!"Elseecho "$line is down"FiDoneA second script:#!/bin/bash#check PingFor IP in ' cat iplist ' #iplist为写IP地址的文件, format each line with an IP ad
place is the display Russian!$/usr/local/bin/mmdblookup--file/mnt/data/geolite2/geolite2-country.mmdb--ip 112.225.35.70 {"Continent": { "Code": "as" 2, access to city information, this data is a bit tangled, the province no problem, the city is a problem! The official presentation address is very precise, perhaps this is the difference between free and charge:)$/usr/local/bin/mmdblookup--file/mnt/data/geolite2/geolite2-city.mmdb--ip 112.225.35.70 {"City": { "geoname_id": 1805753 Becau
= $_server["REMOTE_ADDR"];}} else {if (getenv ("Http_x_forwarded_for")) {$realip = getenv ("Http_x_forwarded_for");} else if (getenv ("Http_client_ip")) {$realip = getenv ("Http_client_ip");} else {$realip = getenv ("REMOTE_ADDR");}}return $realip;}
In addition, if we want to get more accurate use of third parties is a good way.
The code is as follows
Copy Code
function Get_onlineip () {$ch = Curl_init (' http://www.ip138.com/ip2city.asp ');curl_setop
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