Today, I encountered a strange problem connecting to mysql. in the php environment, I used an ip address to connect to mysql. the response was fast and the localhost connection was slow. then Baidu sorted out some solutions, let's take a look. for a long time, in the local php environment, l... today, I encountered a strange problem connecting to mysql. in the php environment, I used an
-TUPL Show all network services listening on the system and their PID
Tcpdump TCP port Show all HTTP traffic
Iwlist Scan Show Wireless networks
Iwconfig eth1 Show configuration of a wireless network card
Hostname show hostname
Host www.example.com lookup hostname to resolve name to IP address and viceversa
nslookup www.example.com lookup hostname To resolve name to
The following commands can be used when connecting to the MySQL database remotelyMysql-h 192.168.1.104-u Root-pIf you are installing MySQL for the first time, you need to comment all the bind-address=127.0.0.1 of all configuration files in all/etc/mysql/[mysqld]##*Basic Settings#user=Mysqlpid-file=/var/run/mysqld/Mysqld.pidsocket=/var/run/mysqld/Mysqld.sockport=3306Basedir= /Usrdatadir=/var/lib/Mysqltmpdir=
PHP gets all the information (address, ZIP code, country, latitude, longitude, etc.) of the specified (guest) IP, all information latitude and longitude
This example describes how PHP obtains all the information (address, postal code, country, latitude, longitude, etc.) of the specified (guest) IP. Share to everyone f
First, fault description: Zabbix server IP address changed from 192.168.1.226 to 192.168.1.73There was a failure accessing Zabbix as follows:650) this.width=650; "Src=" https://s1.51cto.com/wyfs02/M01/9C/7F/wKioL1lxZLDya373AAAvxIO0FQM749.jpg-wh_500x0-wm_ 3-wmp_4-s_936778829.jpg "title=" 444.jpg "alt=" Wkiol1lxzldya373aaavxio0fqm749.jpg-wh_50 "/>Ii. Analysis Error Tip: Connection to
/**
* Get city name based on IP address pure IP database
* edit:bbs.it-home.org
*/
function Convertip ($IP) {
IP Data File path
$dat _path = ' QQWry.Dat ';
Check
Check that the IP address of the system displays user information
Detect operating system and browser types
Organization Department
IP address
User
I do not know where it is wrong. I do not display the in
External Network access intranet database-p2p penetrationIntranet database after deployment, such as local (dynamic) public IP, you can use nat123 dynamic Domain name resolution, real-time domain name resolution to the local public network IP, fixed domain name, thus through the domain name access, connected to the cor
= 1521 )))(CONNECT_DATA =(Server = dedicated)(SERVICE_NAME = kook.glfsoft.com)))
Eventually, IP address changes do not affect Oracle's Em startup.
Command Group with re-built EmReference to create an EM Database
Emca-repos create re-creates an EM Database
Emca-repos recreate deletes an EM
MySQL database:
User table, about 2000 data, has an IP field (converted to an integer);
IP Address Table (IP), 440,000 data, an IP Start field and IP End field (converted to an intege
ASP. NET (C #) uses QQ's IP database qqwry. dat for precise IP address queryFirst download the latest IP database qqwry. datSearch for the latest qqwry. dat on GoogleHttp://www.google.com/search? Hl = ZH-CN newwindow = 1 Q =
Some database structure ip addresses are stored in int type and converted using ip2long. However, this function seems to have a bug. What do you think? Some database structure ip addresses are stored in int type and converted using ip2long. However, this function seems to have a bug. What do you think?
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How can I use the IP address modified by ORACLE?
After the IP address of the oracle database server changes, the listening process cannot be started. You need to modify the corresponding configuration file:
1. Modify the address
Link: http://www.eygle.com/archives/2008/01/sqlnetora_ip_limit.html
In the Oracle database, we can use the sqlnet. ora file to implement address access restrictions.
Set the following parameters in the sqlnet. ora file to implement IP access restrictions:
TCP. validnode_checking = YesTCP. invited_nodes = (IP1, ip2 ......)TCP. excluded_nodes = (IP1, ip2 ......
A set of Oracle 11 GB is implemented in the Linux6.2 system, which may be because the operating system is not properly installed. For example, if each disk of a magnetic array cannot exceed 2 TB, the rpm requires x86_64, there are a lot of bugs.
Today, the leader has changed the ip address and the connection cannot be reached.
(Change 192.168.180.5 to 192.168.180.2)
Problem description:
[Oracle @ SE-1 ~] $
IP Address | statistics | statement
/* Written by Jaron, 2003-07-10 * *
/* First published in CSDN * * *
/* Reprint Please specify the source and retain this copyright information * *
in doing site statistics experts, we need to statistics and analysis of IP address segment, where the application of Sql-server
/*
Create Table 'db _ online '('IP' char (20) default null,'Time' char (20) not null default '','Name' char (200) not null default 'tourists') Type = MyISAM
*/
// Roughly calculate the online time. If the IP address is the same (Lan> external network), only one person is recorded. However, there are few chances.
Session_start ();// Timeout$ Out_time = 300;
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