Linux

Linux SNMP, Simple Network Management Protocol: Simple Network Management Protocol, which is a standard Protocol used to manage nodes on an IP Network. Let's learn about SNMP in Linux. We know that the basic functions of Linux SNMP are: to obtain,

We learned about SNMP in Linux and learned about it as a Simple Network Management Protocol. The protocol used to manage nodes on an IP network. The communication port of the Linux SNMP Service is a UDP port, which is easily overlooked by most

Generally, Sendmail does not provide Relay information for the mail service. This prevents malicious users from sending emails to other email servers. By default, the Relay function is disabled in Sendmail configuration. If you want to Relay the

If you use dial-up Internet access, your IP address will change next time you dial up. Of course, your email server won't let you send emails again. If employees in the company are often on a business trip, after arriving in other places, they often

After 1-2 characters are entered on the LINUX Command platform, pressing the Tab key will automatically complete the following parts (the premise is that you have this thing, for example, when tomcat is installed, enter tomcat to tab ). Linux view

It is impossible to use the php sendmail configuration method in Windows, but it is not a success. Now I will tell you how to solve the php sendmail configuration problem in WINDOWS. People are very curious about why the system automatically sends

Many of my friends often make the mistake: "I have already added the IP address of the email server to access and makemap the database files, but it still doesn't work ". In fact, you are wrong. You should add the Client IP Address -- try to add the

This article describes the details of Nagios's pnp configuration and hopes to help you with Nagios's pnp usage. Here we provide detailed Nagios's pnp configuration. Let's take a look at its specific content.Nagios pnp configuration

Because linux traffic monitoring is often performed for Linux, the above three methods can be used to determine the future traffic. note: People think that nload is very powerful and not accurate. device method, please check another white chapter,

MRTG is a common tool used to monitor network traffic. Here we will introduce another tool-NTOP. Using NTOP to display network usage is more intuitive and detailed than MRTG. NTOP can even list the network bandwidth utilization of each node computer.

You can use PID or name, signal name or number. So why not use the/etc/init. d/foo command to restart the system? Using their own init (initialization) files to control the service is a preferred method, because these files usually contain sound and

When we run the free command to view the idle memory of the machine, we will find that the free value is very small. This is mainly because there is such an idea in linux, the memory does not need to be white, so it tries its best to cache and

The menu command can only be used in the global configuration part of the grub configuration file. It cannot be used in the grub command line interactive interface. The menu command should be placed before other commands in the configuration file.

Previously, we used cacti or mrtg to monitor switch traffic, but seldom used to monitor servers. Today, let's use cacti to monitor linux, today, we will first compile and install the Basic installation snmp and rrdtool 1. The installation of the

In the past two days, I learned how to write a linux shell to understand the command in the original dos. COM is also a shell, which of course requires the access of many library functions in c to determine whether the database has the permission to

Linux acpi off has its own mail list linux-acpi@vger.kernel.org) where you can also discuss the issue. In addition, Intel's Linux/ACPI group also has an email address acpi@linux.intel.com), if your problem is not public, you can send it here. Linux

Creating an image copy for your system disk is a good way to create a backup. Because portable USB flash drives are always cheaper, you can maintain several copies for reuse. If your primary disk crashes, you can recover it in a few minutes and

BKJIA exclusive Article] This article is the first in the series of "your Linux Server clearly. The purpose of this article is because I often want to engage in related system work in customers' data centers or hosted IDCs, with a dozen or more

Simple partition adjustment operations can usually be completed smoothly. However, sometimes you need to do something different or troubleshoot the fault. This article covers some of the situations. The first part of this article describes how to

As a system administrator, Do you think everything is under your control? But the reality is often counterproductive. You think that the processes that are running and collecting data have not reported any messages to you for two hours, maybe your