A network listening tool is a management tool provided to administrators. This tool monitors the network status, data flow, and information transmitted over the network.However, network listening tools are also common tools for hackers. When the information is uploaded and transmitted in plain text on the network, the network listener can be used for attacks. By setting the network interface in the
service state Tnsping IP to see if the listening service for this IP is normal for example: Tnsping 192.168.20.25 2, can use Sqlplus to enter the database to operate (in the case of a variety of tools can not connect to the database, Sqlplus is still firm) Show parameter Listen view the configuration of the listener in the database Alter system set local_listener= ' (ADDRESS = (PROTOCOL = TCP) (HOST = localhost) (PORT = 1521)) ' (modify parameters i
Tags: Oracle monitoring official documentationStatement ************************************************************** *********Original works, from the "Blue Blog" blog, Welcome to reprint, please be sure to indicate the source, otherwise hold the copyright legal responsibility.Deep Blue Blog:http://blog.csdn.net/huangyanlong/article/details/39780739*************************************************************************************************************** *************Example:oracle10g Offi
Atitit. form Listening ESC exit this form java Swing C #. NET PHP1. Monitor ESC key 11.1. Listening on a component 11.2. Monitoring added to form 12. Close Form 21. MonitoringESCKey1.1. Listen for a component 1.2. Monitor added toformonAuthor :: Old Wow's paw attilax ayron, email:[email protected]Reprint please indicate source: Http://blog.csdn.net/attilaxFinal Toolkit Toolkit = Toolkit.getdefaulttoolkit
In Oracle, the default listener port number is 1521, once someone scans the port number will know that this server is an Oracle database server, there is a great security risk, here, teach you how to modify the Oracle default port number is 9999:1. Viewing the Listening status$ lsnrctl Status2. Stop Monitoring$ lsnrctl Stop3. Modify the configuration file$ VI $ORACLE _home/network/admin/listener.ora1521----->99994. Log in and view Local_listener param
higher the priority of the boot, which must be greater than 0 - 5 servlet> 6 servlet-mapping> 7 Servlet-name>MyListenerServlet-name> 8 Url-pattern>/testUrl-pattern> 9 servlet-mapping> Socket port of the listening method is not written here, people directly in the "-----------start executing----------" after the call can be addedWhere, in the listener way, the thread is definitely first started in the project and takes pre
Microphone is a lot of computers will have a configuration, because if we are involved in conversation, we need to use the microphone, so in many users, Win7 flagship 64-bit system download Computer Configuration a microphone, the main function is to speak, then the microphone there are other functions? Actually, In our Win7 flagship system, the microphone, in addition to talking, also has the ability to listen, the small part of today to tell, is how to Win7 in the flagship computer to open the
This is "Flex first step" QQ group inside a friend asked me a question, hereby take out share. Perhaps the problem is relatively simple, or to record it better.
requirements are as follows:When air starts, listens for the global keyboard event, namely This.addeventlistener (Keyboardevent.key_down, Keydownhandler);
post-run effects:
When the air is running, although the Keyboardevent.key_down event is properly monitored, it is necessary to click Air on the mouse to get keydownhandler.
Reason:
This article describes the Android implementation of dual-mode (CDMA/GSM) mobile phone SMS listening method. Share to everyone for your reference, specific as follows:
First, the problem analysis:
Recently in doing a short message to start the application of the function, to use SMS listening, the code is as follows:
Import Android.content.BroadcastReceiver;
Import Android.content.Context;
Import
This article introduced the Android SMS and broadcast receiver to implement SMS listening, pay attention to the Android list of permissions and broadcast registration monitoring implementation, nonsense said, the code is as follows:
The following is the XML for the Android manifest
Androidmanifest.xml
Send the primary interface Mian.xml and implement activity Sendsms.java
Implement activity Sendsms.java
Package com.zy
Each socket is allowed to be used only once, but my computer is a problem that cannot bind to port 80, what's going on.
Tip Error is:
Make_sock:could not bind to address 0.0.0.0:80
No listening sockets available,shutting down
Unable to open logs
Workaround:
This problem occurs because Apache's default port is occupied. The workaround is to remove the port occupied by this port. Or switch to Apache's footprint port.
The Apache port is a good solution.
Turn on the computer to sing aloud, and then listen to music while doing things, I believe this is a lot of people's habits. However, most music players in the process of listening to the song also need to do some work manually, affecting the mood of the song also affect the efficiency of the work. Recently used the cool music box, found some very useful automation skills, you can let the audio music box in the playback process to avoid interruption,
Yesterday, colleagues said there is a set of RAC cluster customer requirements to modify the database listening port, in the process of processing, found that the relevant information on the Internet is not very comprehensive, so tidy up a bit, I hope to other needy friends to provide a bit of favorable reference. The procedure is as follows:--Modify the port information saved in configuration information using a grid user to modify Srvctl modify List
What if your server has switched to IP?What if your server changed its name?What about the former little buddy?What about previous old customers?It doesn't matter, simply teach you to modify the listening address, old friends casually find!To modify the listening address first find two files, determine two things! First name of your host?Second your IP address?Third, where is your listener.ora?Four, where's
Listening to 5.0 a total of three full screen display mode: Visual effects Full-screen mode, lyrics Full-screen mode, and visual effects and lyrics blending mode. Right click on the main player interface, find the "full screen" option, you can enter the mixed full-screen mode, this full screen display integrated the stunning video effect and at the same time with the rhythm of the song show lyrics, more conducive to creating a K song environment. Note
, originally is the login user is wrong.OK, cut back to the Oracle user, and then execute the command:Login Successful!Write a SELECT Search statement, query the data table, another problemIt's annoying to report that Oracle is not available!========================================================================================Because I was a VMware-installed Oracle database, I suddenly remembered that I had reported an "IP" error during the installation, and then I looked at Listener.ora and T
/tmp/fof_portfolio_optimization/initialise data combination optimization inside Python directory execution python3 initialise.py initialization combinatorial optimizationYou need to modify the/tmp/fof_portfolio_optimization/public below connect database IP address before executingThen modify the Optimization_model_api in the/tmp/fof_portfolio_optimization/calculate directory to listen for IP and port information, and then runPython Listening port
The former server disk is full, causing the project a lot of strange problems, such as file upload is not (this very good understanding), and the login code can not be loaded (now still do not know why, the project's CAPTCHA image is only in memory generated BufferedImage object, do not know why and disk-related )So while today is free, you add the server to listen to the disk usage of the script, after reaching a certain usage rate, will send an email alert, inform the development or operation
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