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, which are exactly what we Configured the scheduled task to do.Since We know the alert would always send the same values in the same order, i.e. name, date, counter, threshold, and value , we can just pull them from the command line arguments based on position and pass them to the SendMail () function.Note that there is more robust ways to process command line arguments, and this should is sufficient for your purposes.
Send email alert from performa
General operating system performance mainly related to the main problems are: Processor usage, memory footprint, disk i/0 operations, and network traffic.To view Windows performance, in most cases through Windows Task Manager, you can eject task Manager by typing: taskmgr in the command line. Task Manager can view: CPU usage, memory usage, and
developed to assist in TCP Parameter Optimization, but here we do not want to study the TCP Window Scale and maximum segment length, because this is not the focus of our current discussion. However, when testing a high-throughput AP, you may find it necessary to tune TCP parameters so that you can get a larger throughput on each iPerf client-For details, see DrTCP.
Monitor wireless network
busy. The number of concurrent connections to a website is how many clients are attached at the same time.
Linux under Grab Bag
Grab Bag Tool tcpdump
There is no need to install this command: Yum install-y tcpdump
Specify the NIC name Tcpdump-nn-i ENS33
After running the above command, there will be a dense string of strings, before pressing CTRL + C, these strings have been brushing the screen, the faster the brush screen indicates more p
state of the process).STAT (Status of the process) is:D cannot be interrupted.R (run) running process (CPU is used within a time period).The S (sleep) process may be paused and will be activatedT paused process (CTRL + Z paused process)+ Foreground ProcessZ Zombie ProcessN Low-priorityMemory is locked in memory pagingS master ProcessL Multithreading ProcessPS aux usage: see if a process is running (it has been used once) to see if top is runningps aux |grep topView
of the process (directory)--"for the benefit of other virus intrusion view illegal process." Stat Description:D a process that cannot be interruptedThe process of R run stateS Process in sleep stateT pause, Stop the processZ Zombie Process+ Foreground ProcessN Low-priority processesMemory paging is locked in memoryS master ProcessL Multithreading ProcessView network StatusNetstat (view TCP/IP communication status)Listening port: For other machines to
Tags: monitoring io performance FREE Command PS command View network status Linux under Grab BagMonitoring IO PerformanceIntroductionThe Iostat is primarily used to monitor the IO load on the system device, iostat the statistics from the start of the system startup when the first run, and then running Iostat displays statistics from the last time the command was
using Prometheus+blackbox_exporter to monitor HTTP, ICMP network performanceNot many words, the network still need to monitor up. Reproduced in the last blog post I posted the next Prometheus Monitoring chart, here in detail the following usage.The steps to install Prometheus, Grafana are skipped, not the focus here, i
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