Linux Monitor System

In the http://www.unixbar.net/see the use of monitoring Treasure monitor server, feel good, on the installation of a configuration, the following describes the specific installation Method! Monitoring treasure using the standard SNMP protocol to provide users with server monitoring, which means that the monitored server must run the SNMP agent (SNMPD), then we will detail how to install, open the SNMP agent on the Linux server, and make the necessary security configuration, Nginx monitoring and server i/o,cpu load, ...

The intermediary transaction SEO diagnoses Taobao guest Cloud host Technology Hall introduction no matter on which server system, any one file's execution must have certain permission, if the hacker obtains this permission, may use this flaw to run some hacker program, thus achieves the control entire computer the goal. Conversely, even if hackers can put some hacker programs uploaded to the server, due to the permissions of the problem, these hacker programs will not run, can not endanger our system. 　　For example Findpass is like this. 1 Windo ...

Virtualization is the first step toward the cloud, and, similarly, open source virtualization is the first step toward an open source cloud. Cloud computing offers products and solutions that revolve around the new delivery and consumption patterns of IT resources. The diversity of the cloud, the private cloud, the public cloud and the hybrid cloud, no matter which cloud has three key characteristics: virtualization, standardization and automation. So, what's a KVM? Can it meet the needs of the enterprise to the cloud? What's a KVM? KVM (kernel-based Virtual Machine) Source ...

This article is to achieve the goal: the perfect control of laptop LCD screen saver and black screen, specifically to achieve 1. Normal mouse 10 minutes without action, the LCD into the screensaver, 15 minutes without action, the LCD completely power off 2. MPlayer when watching movies, constantly do not screen saver power. 3. When pressing the ALT, lock the screen immediately and power off the LCD. Apply to the crowd: Linux users (nonsense, I do not have the conditions to test BSD and other *nux), GNOME users, Compiz users, using the command line to start the MP ...

The intermediary transaction SEO diagnoses Taobao guest cloud host technology Hall plan background in the Internet Information high-speed development today, the IDC industry development is the irresistible, therefore more people urgently needs the simple and easy IDC solution. 　　In order to solve this one IDC industry general concern problem, we launch this solution for reference. 　　The overall goal is to build a fully operational, simple implementation, easy to maintain and safe and stable host operation platform. Requirements Analysis 1, infrastructure because this program is the host ...

Today, open source firewalls are numerous. 　　This article will cover 10 of the most practical open source firewalls that fit your business needs. 1. Iptables Iptables/netfilter is the most popular command line based on firewalls. It is the safe line of defense for Linux servers. Many system administrators use it to fine-tune the server. The function is to filter packets from the network stack in the kernel, including: listing the contents of the packet filtering rule set, and executing fast because it only checks the header of the packet, and the administrator can ...

The intermediary transaction SEO diagnoses Taobao guest Cloud host technology Hall text/Shingdong, Liu, Xie School HTML5 Technology brings many new elements to the web, not only makes the website become more and more beautiful, the interactive experience is getting closer to perfect, even more makes many once impossible function can realize. 　　This article aims at the new characteristic which the HTML5 brings in the website performance monitoring, shares with everybody Ctrip traveling network in this direction the practical experience. Site performance monitoring of the status of the Web site performance is increasingly popular concern, because it directly ...

Ganglia monitoring software is mainly used to monitor the performance of the software, such as: CPU, MEM, hard disk utilization, I/O load, network traffic, etc., through the curve is very easy to see the work of each node, the reasonable adjustment, distribution system resources, improve the overall performance of the system plays an important role. Support browser access, but can not monitor node hardware specifications, ganglia is a distributed monitoring system, there are two Daemon, respectively: Client ganglia monitoring Daemon (Gmond ...

"Mission Analysis and Requirements"  This task is the foundation of the whole training project, because of the deployment of a variety of service systems, the installation of the system will be a number of repeated training  proficient in the process of system development and installation  proficient in the Linux service to start and turn off the Startup setting method  Master The view of service status and common configuration files. Hardware and Software Environment " uses virtual machines to combine with real host environments  Install red Hat Enterprise Linux Server 5.0 on the hard drive in VMware virtual machine systems ...

Security is a huge and challenging subject, but everyone who works on the server side should know the basic steps. Cameron outlines some ways to keep your user account clean and secure. Security is a big problem. It's not going to be the same, and it's hard to know how much it needs to scale: if you're not careful, when your boss really wants to keep the doorman from seeing his annual budget, you finally believe that he needs to understand the benefits of security. No matter how challenging it is to keep up with trends in all aspects of computing security, there are several areas that are already sufficient ...