Yesterday, when installing Oracle10g, an error was encountered: An Exception error occurred when the Host IP address could not be determined. After thinking about a lot of methods, I still have to solve the problem. I searched for the relevant information on the Internet, but it seems that I have to find a solution. I think that Oracle needs to obtain the system IP
The IP address cannot be obtained from the centos system when the VM Nic is bridging.
Today, we updated the virtual machine to a new version, and found that the IP address cannot be obtained from the network card bridge centos System of the virtual machine! After you want t
Nginx, Haproxy, etc. as a proxy server, to make the back-end Web server record the true IP address, you need to configure:Location/{Proxy_set_header Host $host;Proxy_set_header X-real-ip $remote _addr;Proxy_set_header x-forwarded-for $proxy _add_x_forwarded_for;Proxy_buffering off; Proxy_pass Http://bloke;}Back-end Web server configuration:Nginx:Log_format Main '
Before I was in BASHRC added a sentence, let the system operation log to Rsyslog send a copy of the content, now as long as the sending, and then get the current remote login IP add in it, like this/etc/bashrc1 sshclientip= ' W | Tail-n +3'BEGIN {ip= "local"}{if ($5== "0.00s" | | $! = "-") ip=$3 fi} END {print IP}' c6>
/*
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
Ping the IP address. the error message displayed in ifconfig is RXpackets: 234 errors: 12. the default Nic of VirtualBox virtual machine is incorrect (the company uses wireless network and selects a wired NIC ), after re-selection, you can www.2cto.com and: Oraclelinux (Red...
Ping the
I want to use PHP $_server[' http_host ' to get the domain name of the current server, but each time it is converted to an IP address?
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I want to use PHP $_server[' http_host ' to get the domain name of the current server, but each time it is converted to an IP
Address WebLogic Native can access the console, network IP access is notWorkaround:English version:1. Throughhttp://localhost:7001/console/log in to the admin console of WebLogicLock EditDomain Structure ==> environment ==> ServersSelect the appropriate server on the right, open for editing, fill in the Listen Address
See some database structure IP with int storage, and then through Ip2long conversion, but this function seems to have a bug, how do you think?
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See some database structure IP with int storage, and then through Ip2long conversion, but this function seems to have a bug, how do you think?
MySQL can refer to this answer.
Postgres directly by network a
An API address, a fixed IP has a limit on the number of requests, now in PHP request this API address, there are ways to forge their own IP to request this API address?
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An API address, a fixed
: This article describes how to directly access the project without nginx input ip. if you are interested in the PHP Tutorial, refer to it. If nginx is not installed, enter an ip address to access the specified project:
Find the Host in the tomcat6 configuration file (/var/lib/tomcat6/conf/server. xml)
UnpackWARs =
Verifying IP address legality using the shell
How to use:
Copy Code code as follows:
[Root@yang python]# bash check_ip.sh IP address
Execution Result: The return value of 0 checksum is valid, not 0 illegal.
Shell code:
Copy Code code as follows:
The website cannot be opened through the domain name, but it can be opened through the IP address. it is normal to open other websites! The website cannot be opened through the domain name, but it can be opened through the IP address. it
----------------------------------------USER1 Handle the problem first, change the number of validation errors to unrestricted, unlock the usersql> Alter profile default limit Failed_login_attempts unlimited; Profile altered. SQL> alter user user1 account unlock; User altered.Review the number of user authentication errors, and if this account has been verified, you can see that the number of times has been increasingSelect name,lcount from user$ where Name='USER1';Tracing
How to Set an IP address that cannot be set when you set an IP address through setup in Linux? There are multiple methods for setting an IP Address: 1. You can directly edit the configuration file, generally, you can use the ifcon
Experimental purposes:
Verify the difference between the default route next hop and the IP on the end.
Experiment topology:
Configuration:
R1:
Interface fastethernet0/0IP address 123.1.1.1 255.255.255.0!IP Route 0.0.0.0 0.0.0.0 fastethernet0/0
R2:
Interface fastethernet0/0IP address 123.1.1.2 255.255.255.0!Int
How to play Internet connection games after using vrouters
For general online games that log on to the server, such as the Three Kingdoms and the Stone Age. However, Internet users need to actively communicate with some of your ports during the game. Therefore, you must set up a router to open these ports to bypass the firewall of the router. Generally, you can set it in two ways. One is a "virtual server", which
In the production environment, hosts may be modified by another administrator or user. allow allows more ip addresses to log on to machines. To facilitate unified management, you can change the allow and deny files to the default settings when exiting. At the same time, the whole ip segment of the machine's configured ip
Today, the virtual machine is configured with an ip address, so that the virtual machine and the host are in the same network segment, and then webservice is used successfully, but a new problem arises, and oracle cannot be connected.I found that the OracleOraDb10g_home1TNSListener service was automatically disabled wh
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