screensaver for two monitors

Monitors the characters in the input box. Note: The input event is a standard HTML5 event and is very useful for listening, and. The input event is triggered immediately after the content is modified, and the onchange event is triggered only when the focus is lost.Propertychange is unique to IE. This event is triggered when the user interface is changed or the content is directly modified using a script. The three conditions are as follows:1) The

Powershell monitors the connection status of servers This article mainly introduces how to monitor the connection status of a server using Powershell. The code is very simple. This article provides the implementation code directly. For more information, see There may be several hosted servers at work, such as databases. Once the network is interrupted, data collection may be affected. Therefore, you can use the following script to execute a schedul

Zabbix monitors oracle databasesOrabbix description Orabbix is a plugin designed to work with Zabbix Enterprise Monitor to provide multi-tiered monitoring, performance and availability reporting and measurement for Oracle Databases, along with server performance metrics.It provides an effective tive mechanism to acquire data from numerous Oracle instances, and in turn provides this information for monitoring and performance metrics to your Zabbix serv

Python monitors process performance data and saves it as a PDF documentIntroduction Psutil module (https://pypi.python.org/pypi/psutil/) can be very convenient to monitor the system CPU, memory, disk I/O, network bandwidth and other performance parameters, the following code is to monitor a specific program of CPU resource consumption, print the monitoring data, display the drawing, and save it as a backup of the specified PDF document.DEMO code #!/u

Pidstat-monitors and counts Linux Process Data The pidstat command is used to monitor independent tasks (processes) managed by the Linux kernel ). It outputs information about each task managed by the kernel. The pidstat command can also be used to monitor sub-processes of a specific process. The interval parameter is used to specify the interval between each report. The value 0 (or no parameter) indicates that the statistical time of the process is c

Linux Shell script monitors the running status of WAS Principle: You can call the WAS script wsadmin. sh to obtain the instance status. Operating system version: [Root] # head-1/etc/redhat-releaseRed Hat Enterprise Linux Server release 5.3 (Tikanga) WAS version: [Root] #/opt/IBM/WebSphere/AppServer/bin/versionInfo. sh | grep-A 3 "Installed Product"Installed Product----------------------------------------------------

Monitors the input box in real time to realize the interaction between the input box and the drop-down box. The input box Html code JQuery code PHP code public function add_alms(){ $reward = $this->materials->selReward(); $this->assign('reward',$reward); return $this->fetch();}public function do_add_alms(){ $data = Request::instance()->param(); $this->alms->addAlms($data);} In the preceding real-time monitoring input box, the example linking the i

Android ScrollView monitors two ways to slide to the top and bottom (complete custom control implementation), androidscrollview The Android ScrollView listener slides to the top and bottom of the page. Although many materials have been posted on the Internet, they are incomplete and some details are not clear. Use Cases: 1. When performing complex animations, You need to dynamically determine whether the current ScrollView is scrolled to the bottom o

Android App monitors the keyboard buttons in three ways and changes the keyboard's bottom right corner to determine the key style, androidapp ActionNone: Enter key. Press the button and move the cursor to the next line.ActionGo: Go,ActionSearch: magnifiersActionSend: SendActionNext: NextActionDone: Done, OK/complete, hide the keyboard, even if it is not the last text input box Android: singleline = "true" Android: imeoptions = "actionSearch" EditTex

Nagios (centreon) monitors Linux logs1. Download check_log3.pl and put it in the plug-in folder [root @ SSAVL2475 libexec] # cp/tmp/check_log3.pl/usr/local/nagios/libexec 2 to add execution permissions # chmod + x check_log3.pl [root @ SSAVL2475 libexec] # chmod + x check_log3.pl 3 modify owner # chown nagios. nagios check_log3.pl [root @ SSAVL2475 libexec] # chown nagios. nagios check_log3.pl 4 run check_log3.pl to confirm that it is executable. No e

Linux monitors external IP connections at a certain time point I believe everyone is familiar with the netstat command. This command is mainly used here.The DDoS Deflate tool uses the number of IP addresses to measure the number of external connections. Then, it uses Iptables to add an IP address to the blacklist and disable an IP address. Netstat-ntu | awk '{print $5}' | cut-d:-f1 | sort | uniq-c | sort-nThe commands used have obvious shortcoming

1. LoadRunner monitors Linux systems:(The rstatd service must be installed in Linux. If not, install the rstatd service in the following steps.) Service rstatd status 1) download the rstatd package (http://sourceforge.net/projects/rstatd ;) 2) installation: A. Decompress tar-zxvf rpc.rstatd-4.0.1.tar.gz CD rpc.rstatd-4.0.1.tar.gz ./Configure Make Make install Run the./rpc. rstatd command to start the service. Check whether startup is

The Oracle tutorial is as follows: Oracle 8x monitors the logon status of sysdba users. Before Oracle 8i, internal users were used to start and shut down databases and create databases. Since the 8i version, Oracle has gradually eliminated internal users, users granted the sysdba or sysoper role can start and close the database. To keep the user's habits in 8i, internal users and svrmgrl are retained, however, svrmgrl and internal users are completely

PHP monitors whether remote files exist function remote_file_exists ($url _file) { $url _file = Trim ($url _file); if (Empty ($url _file)) return false; $url _arr = Parse_url ($url _file); if (!is_array ($url _arr) | | empty ($url _arr)) return false; $host = $url _arr[' host ']; $path = $url _arr[' path ']. "?". $url _arr[' query ']; $port = isset ($url _arr[' Port ')? $url _arr[' Port ']: "n"; $fp = Fsockopen ($host

Catcheck_xen_pif.sh#!/bin/shcount=0uuid_list= ' xebond-list|grepmaster| awk ' {print$4} ' #get io_read_kbsparamforuuidin $uuid _listdoio_ read[$count]= ' xepif-param-getparam-name=io_read_kbsuuid= $uuid ' #echo ${io_read[$count]} letcount=count+1done#getio_write_kbs paramcount=0foruuidin $uuid _listdoio_write[$ count]= ' xepif-param-getparam-name=io_write_kbsuuid= $uuid ' # echo${io_write[$count]}letcount= count+1donecount=0performance1= "performance2=" "while[ $count -lt${#io_read [@]}] Doperfo

nagios is not monitored by default Windows Plug-in for network card traffic, but can be implemented through a third-party plug-in script. 1: Download the check_traffic.sh script and upload it to the/usr/local/nagios/libexec directory of the Nagios monitoring server.Official: Https://github.com/cloved/check_traffic2: Execute permissions for check_traffic.sh:#chmod a+x/usr/local/nagios/libexec/check_traffic.sh3: Modify the Nagios command script to add network card monitoring commands.# vi/usr/loca

templateHOST_NAME h17_2960sw1_3.251Service_description CHECK_TRAFFICE_G1/0/28Check_command check_switch_traffic!10128!200!400!500!800}Define Service{Use GENERIC-SERVICE,SRV-PNP; Inherit values from a templateHOST_NAME h18_2960sw1_3.247Service_description CHECK_TRAFFICE_G1/0/28Check_command check_switch_traffic!10128!200!400!500!800}6. Configure permissions (pending validation)[Email protected] ~]# chmod 777/var/tmp/check_traffic_10.10.3.249_10128.hist_dat_root__647. Restart the Nagios service[E

#!/usr/bin/php Error_reporting (E_error); Define ("email", "[email protected]");//Your email address Define ("Timeout", 5);//Read site time-out, 5 seconds function Curl_get ($url) { $curl = Curl_init (); curl_setopt ($curl, Curlopt_url, $url); curl_setopt ($curl, Curlopt_returntransfer, 1); curl_setopt ($curl, Curlopt_timeout, TIMEOUT); Headers $headers = Array (); $headers [] = "Date:". Date (' R '); curl_setopt ($curl, Curlopt_httpheader, $headers); $Data = curl_ex

/usr/bin, and adds Charles in your application menus in your window manager.Also install the beta track of Charles which is called Charles-proxy-beta.Charles 3To install Charles 3, use the package charles-proxy3. You can be both Charles 4 and Charles 3 installed at the same time.The package creates a "charles3" command In/usr/bin, and adds Charles in your application menues in your window manager.https://yq.aliyun.com/ziliao/27424HTTP monitor Charles Getting started using tutorials to shareHTTP

:1048576 Byteshost-resources-mib::hrstorageallocationunits.5 = integer:1048576 byteshost-resources-mib::hrstorageallocationunits.6 = integer:1048576 Byteshost-resources-mib::hrstorageallocationunits.7 = integer:1048576 byteshost-resources-mib::hrstorageallocationunits.8 = integer:1048576 Bytes ...After the SNMP is successful, the CHECK_SNMP can be used to write Nagios commands. I'm not repeating it here.The third way, I see there is no ready-made script can be used directly, so I do not have to