to test whether the host is online or if the network is healthy. 9. Ethtool Ethtool allows you to view and change many of the network card settings (not including the Wi-Fi network card). You can manage many advanced settings, including TX/RX, checksum, and wake-on-LAN capabilities. Here are some basic commands that you might be interested in: Display
is, the response-based solution. What's worse, this problem usually comes from complaints from end users, which undoubtedly raises questions about the work of the IT department.
In addition to the obvious public relations, this response-based problem solution is very inefficient. If the problem is detected early, it takes only a few minutes to solve the problem, but if it is found late, it will waste more time. For example, if it is found early, the log can solve the problem of insufficient dat
Real-time Network traffic monitoring tool under LinuxDaquanFound in the work, often because of business reasons, need to know the traffic of a server network card, although the company also deployed cacti software, but the cacti is five minutes statistics, no instant, and sometimes open the
Network person Remote control software This tool, for the remote monitoring environment to build has its own unique advantages, and strive to use the simplest operation to achieve the most powerful remote monitoring function, so as to establish a safe and efficient remote monitorin
Welcome to the network technology community forum and interact with 2 million technical staff, whether they like it or not, nowadays, enterprise network administrators generally have to take on the task of monitoring the network or computer behavior of company employees, because some company bosses may need to know whi
IntroductionWireless networks and monitoring networks are indispensable for stores, convenience stores, small supermarkets, barber shops, real estate agencies, and other small and medium-sized stores. Free wireless Wi-Fi for shops can provide customers with payment convenience such as WeChat and Alipay, and wireless Wi-Fi has become an important reference for customers to praise shops. Security monitoring i
Recently the company because of the need to improve the monitoring software ~ ~ So several different monitoring software installed after the comparison ~ ~
For everyone more familiar with the MRTG, cacti, such as the equivalent of the article has been a lot of ~ ~
Recent survey found that Munin is also a very easy to
Software on the Redis server installation process is as follows:1. Installation dependent# yum-y install ruby Ruby-devel RubyGems2, install Redis-stat software, may be slow and fail to execute, more than a few times will be successful# Gem Install Redis-statSuccessfully installed daemons-1.1.9Successfully installed redis-stat-0.4.12... ...3, install Redis-stat also install daemons-1.1.9, if the system is in
Background monitoring software, in order to achieve the purpose of covert monitoring, should meet the normal operation, do not appear on the taskbar, in the Ctrl+alt+del appear in the task list does not show that the administrator can pull through the hidden running interface. To do this, you must change the current process into a system service and define a glob
Application Software Learning Summary
Directory
SVN deployment and use
One-Health installation Zabbix
Ansible automatic operation and Maintenance tool installation and use
PPTP server-side deployment to client connections using
Fail2ban installation Configuration
KVM Installation Use
Lvs+keepalived Construction
KEEPALIVED+LVS Maintenance skills and tuning
Introduction of the concept type of LVS and three kinds of working mode
://www.eclipse.org/mat/. In theEclipseThis plugin can be directly installed remotely. Just because this plugin is in the analysis heapDumpfile is more memory-intensive, so it is best to firstEclipseof theJVMthe memory setting is a bit larger. MATAnalysisDumpobject after file occupies memory and reference relationship3what you see.9.ReferencesMonitor JVM execution status with Java self -qileilove-blogjava.htm(impt. Detail)JVM Memory Health viewing methods and analysis tools -xu1314 's Column -
// web access directory, which can be referred as a virtual host
6. Modify the bandwidthd configuration file
[Root @ localhost ~] # Vim/usr/local/bandwidthd/etc/bandwidthd. conf
######################################## ############
# Bandwidthd. conf
#
# Commented out options are here to provide
# Documentation and represent ults
# Subnets to collect statistics on. Traffic that
# Matches none of these subnets will be ignored.
# Syntax is either IP Subnet Mask or CIDR
Subnet 10.1.3.0 255.255.2
Article Title: ubuntucpu frequency adjustment and Hardware monitoring software. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source.
Some friends hope to adjust the cpu frequency and monitor it. It takes some time to find a new one.
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Linux performance monitoring software (Perf, PAPI) Installation tutorial, perfpapi
Perf
Perf is a built-in Linux kernel performance tool. The installation process is as follows:
1. Download a Linux kernel source code and decompress it into tools/perf.
2. Open the terminal and install make make install.
3. After installation, you can run the perf program in this folder, such as./perf stat ls.
4. However, p
Absrtact: Because the multimedia network classroom Student computer software environment basically is same, therefore utilizes the existing classroom The network environment, utilizes the Symantec Ghost 7.5 Corporate Edition network data transmission function and the Microsoft Windows server/ Professional
The project name is:Network Route Monitoring System Based on Data Stream
A Data Stream-based network routing monitoring system is a hierarchical system consisting of a probe station and a central station. The traditional network management system is unable to adapt to the ever-expanding
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