free server uptime monitor

. The disadvantage is that the name of the process is not displayed.Linux under Grab BagGrab Bag Tool tcpdumpSee which packages are coming in. And the flow of data, length. The default is TCP packets, if you find a lot of UDP packets are likely to attack. Eg DDos UDP flood. Access to professional anti-attack devices or services only.TCPDUMP-NN NIC Name-nn the first n means that the IP is displayed as a number without displaying the hostname.Time source IP and port > Destination IP and port: Pack

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 exchange data with our

remaining is less than 10%, and the usage has exceeded 90%, please handle it in time." | mail -s "$ IP server memory alarm" [email protected] fi fi # 4. Monitor the usage of the system hard disk root partition and send an alert email when the usage exceeds 80%: #Take the used percentage value of the current root partition (/ dev / sda2) (take only the integer part) disk_sda2 = `df -h | grep / dev / sda2

LINUX-monitor server status and linux Monitoring Server This document describes how to monitor the operating status of linux servers, including CPU, hard disk, memory, network interfaces, and motherboard.How to monitor Hard Disks Core Ideology Use command df. Sample prog

! ClientVersion}Monitor the nsclient version. # Create A service for monitoring the uptime of the server# change the ' host_name to match the name of the ' host you defined above Define Service{Use Generic-serviceHOST_NAME WinserverService_description UptimeCheck_command check_nt! UPTIME}

Click Make me invisible can be connected, pay attention to the connection process will cause broken nets, QQ need to log in again.Need to register to pay to automatically follow the system to start, automatically reconnect, automatic prompt connection interruption, but also can, at least more than a lot of other means good (for example, no edge and other software), VPN is a safe way. Smarthide News free offer for Chinese users A new

The hardware system of the server should provide the most effective system performance, if the server system performance is suddenly lower than the average should, then the problem may come from the executing process, memory utilization, disk performance.1. System loadIn the Linux operating system, the load of the system can be monitored using the uptime and Vmst

transmitted due to errorsSQL Server CountersThe Access Methods object in SQL Server provides a counter that monitors access to logical data in the database, and the Buffer Manager counter monitors physical access to the database on disk.Access Methods access ModeAccess methods monitors the methods used to access data stored in the database to help determine whether you can improve query performance by addi

Basic concepts and classification of system monitoring:A Overview of System monitoring: How to scientifically, systematically and efficiently monitor the overall and detailed operation of existing IT architectures is a very important part of the current business operations and management departments. With the increasing number and type of servers, applications, and types in the current enterprise IT environment, operations departments need to be scien

This article mainly introduces how to monitor the server status in PHP, which can effectively monitor the status of the specified IP server. It is of great practical value. For more information, see This article mainly introduces how to monitor the

ObjectiveAt present Ttlsa use cloud server, in the case of only one server, want to know the local user access situation, the server is stable operation, use Zabbix, Nagios to monitor appears unreasonable, after many comparisons, decided to use third party monitoring Service (www.jiankongbao.com). Why use third-party m

{if (hardware_virtual_disk_number = hardware_virtual_disk) {print 1} else {print 0 }}' 2. Restart the zabbix_agentd service. /Etc/init. d/zabbix_agentd restart 3. Test Data Retrieval: The value is normal [Root @ xxxxxx] # ../bin/zabbix_get-s 127.0.0.1-k "hardware_virtual_health" 1 Ii. Server 1. template Import Import the TemplateHardware Monitor template to zabbix. 2. Host Association Template Associate th

Haproxy provides high availability, Load Balancing and proxies based on TCP and HTTP applications that support Virtual Host , it is a free, fast and reliable solution. Haproxy is especially useful for Web sites that are heavily loaded, and often require session-hold or seven-tier processing. Experiment (I.)Experimental purpose: Using Haproxy to do load balancing clusters (layer seven)Lab Environment Preparation:Client IP address: 1.1.1.1 host name Wai