1. Create a folder named monitor in the webapps folder.
2 monitor to create a WEB-INF and SRC
3 New web. xml and classes in the WEB-INF
4. Web. XML content
5. The servlet accepted by write processing is shown below. As follows:
Import Java. io. ioexception;
If it is a request sent by curl, the value of the CPU usage is obtained and written to the cpu.txt file. If the user accesses this servlet through a browser, http: // localhost: 8080/monitor/recvinfo
Read the cpu.txt file and write the
Flex remote video monitoring new version of the viewing end, flex video monitoring
In the first version, only the preview is used.
I feel that FlexWeb is generally implemented based on the PC client. Because Socket is used for interaction with the background, the task has timed out for a long time, network disconnection, server disconnection, video connection disconnection, and many logic make it totally
Author: Liu Chao mentor: Professor KakaiDegree of application: PhD in Engineering: School of Environment and Surveying and mappingSubject major: Geodetic Surveying and Surveying engineering research direction: GNSS Disaster MonitoringChairman of the Defence Committee: GWO of the Institute:Original: LinkGPS deformation monitoring and its pseudo-satellite enhancement technology in mining area GPS and its pseudolite augmented technique for deformation
Android volume key monitoring and android Volume monitoring
Conclusion:
The following two methods can be used to obtain the volume key. During the test, we found that
When KeyEvent. KEYCODE_VOLUME_UP is held down all the time, Samsung's tablet counts to 200, and this event is not triggered;
Therefore, when KeyEvent. ACTION_DOWN is changed, a method is started to count the number of stop techniques of KeyEve
After installing the camera in some special environments, you can see that the monitoring screen is inverted. At this time, you can adjust the screen on the camera WEB interface. Log on to the ipc web page and clickSet>Camera>Display>ImageThe image options are as follows:Select according to your needs. This article takes Image selection as an example. The adjusted monitoring screen is as follows:
-c100000,200000}Note: The definition service is: The max_check_attempts parameter is recommended to be modified to 6 (default is 4), because this plug-in must run at least 3 to 4 times or more to be normal, read the data once and record in the temporary file, as follows:650) this.width=650; "src=" Http://s5.51cto.com/wyfs02/M02/7F/44/wKioL1cYaiLROoWTAAEACZkTARQ563.png "title=" 1.png " alt= "Wkiol1cyailroowtaaeaczktarq563.png"/>To check and reload the configuration file:Service Nagios checkconfig
Check_disk (on server)If normal, it will output a row of disk detection data, or may be error.cd/etc/nagios/conf.d/Vim 192.168.0.12.cfg (your IP address name) # Add the following: Define host{ use linux-server host_name 192.168.0.12 alias 0.12 address 192.168.0.12 } Define Service{Use Generic-serviceHOST_NAME 192.168.0.12Service_description Check_diskCheck_command Check_nrpe!check_diskMax_check_attempts 5Normal_check_interval 1}Continue adding servicesVim/e
useradd nagios-d/usr/local/nagiosScp-r/usr/local/nagios/[email protected] $DN:/usr/local/Scp/etc/xinetd.d/nrpe [email protected] $DN:/etc/xinetd.d/nrpeSSH $dn ' echo ' Nrpe 5666/tcp #nrpe ">>/etc/services"SSH $dn ' chown-r nagios:nagios/usr/local/nagios/'SSH $dn ' service xinetd restart 'echo "$DN is end configuring the Nagios ............. ..."Done5-3 If Logcheck/var/log/messages is configured, be sure to verify that/var/log/messages permissions are 7055-4 Adding a new cluster configuration fi
1. Add dependent Javamelody-core in the project maven Pom2. Add filter and listener to Web. xmlHow to add javamelody monitoring monitoring in a Web project.
CPUs or CPU cores in the system. You will see that there are multiple counters on this instance.System:processor Queue Length: Shows how many threads are waiting for a CPU to be used.steps:1. Turn on reliability and Performance Monitor: Enter Perfmon.exe in "execute".2. When open, select Performance Monitor.3. Press DELETE in the toolbar or click Xbutton to delete all performance counters. Then click +button to add the counter.4. In the Join Counter dialog box, enter the name of the computer yo
# Asimpleconfigurationfileformonitoringthelocalhost # Thiscanserveasanexampleforconfiguringotherservers; # Customservicesspecifictothishostareadded...
# A simple configuration file for monitoring the local host# This can serve as an example for logging ing other servers;# Custom services specific to this host are added here, but services# Defined in nagios2-common_services.cfg may also apply.#
######################################## #################
Linux host monitoring information display, linux host monitoringStorage information display:Overall space and free space display[Root @ ora11g64 ~] # Df-hFile System capacity used available % mount point/Dev/mapper/VolGroup00-LogVol0037G 15G 20G 43%//Dev/sda1 99 M 23 M 71 M 25%/bootTmpfs 3.0G 0 3.0G 0%/dev/shmDisk Information Display (name/size/usage)[Root @ ora11g64 ~] # Fdisk-lDisk/dev/sda: 42.9 GB, 42949672960 bytes255 heads, 63 sectors/track, 5221
Android keyboard display control, network check, network monitoring, and android Network MonitoringI. The operation of hiding the input and display keyboards is often used. The control code is pasted here:
// Disable the comfortable keyboard method public static void collapseSoftInputMethod (Context context, View v) {if (v! = Null) {InputMethodManager imm = (InputMethodManager) context. getSystemService (Context. INPUT_METHOD_SERVICE); imm. hideSoftI
Whether the iOS monitoring application is enabled for the first time amp; whether the application has been updated
Solution: Add the following content to didfinishlaunchingwitexceptions in AppDelegate. h:
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions{ // Override point for customization after application launch. NSLog(@did Finish Launching With Options); if ([[NSUserDefaults
Recently built a more private blog, because it is a foreign VPS, so want to test the visit time around.Turn around and find this: Listen to the Cloud CDN.Of course, not to listen to the Cloud CDN, but began to try to listen to the cloud server.
What does listening to the cloud do?
Listen to the Cloud app: monitor crashes, connection timeouts, memory leaks, and more during mobile app usage.
Listen to Cloud server: monitor the efficiency and performance bottlenecks of the server application
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