Linux

Some time ago in developing a system that uses SSD for caching, a large amount of disk caching occurs when writing data at high speed. Too much disk caching is very dangerous if there is a problem with the machine if it is not written to disk in a

As some of the changes in the LFCs exam took effect on February 2, 2016, we added some necessary topics to the LFCs series. We also recommend the students for the exam, while reading the LFCE series. One of the most important decisions to make when

Originally this year, Chiang has plans to learn the contents of Linux script, so in a variety of books in the previous activities to buy a lot of books, but most of the plastic cover has not been demolished. Today, the company has no business, so

Monitoring treasure recommended use of NET-SNMP, so this article also take this as an example. First, we install NET-SNMP. The code is as follows Copy Code Yum Install Net-snmp net-snmp-devel

One, uniq what to do with the The duplicate lines in the text are basically not what we want, so we need to get rid of them. Linux has other commands to remove duplicate rows, but I think Uniq is a more convenient one. When using Uniq, pay

This chapter describes an important part of the standard Linux directory tree, based on FSSTND file system standards. Outlines a general approach to dividing a directory tree into several separate file systems for different purposes and given

Because of the well-known stability and reliability of Unix operating systems, the computers used to provide a wide range of Internet services run a large percentage of Unix and Unix-like operating systems, requiring a large number of skilled

Nginx is a lightweight, high-performance Web server/reverse proxy and email agent (IMAP/POP3) that can run on Unix,gnu/linux,bsd variants, MAC OS x,solaris and Microsoft Windows. According to Netcraft's survey data, 6% of the Internet's domain names

This article tells the Linux command learning Summary: Shutdown command, specific as follows: Introduction to Commands: This command can safely shut down or reboot the system. You're not mistaken, shutdown command not only shuts down the system,

The PHP Web site under Linux is placed under Windows Server IIS. htaccess file pseudo-static rule conversion.   This method is only suitable for Linux under the PHP Web site under the Windows Server IIS, the site in addition to the main page of

For some time, we have been on the internet to show readers how to configure a variety of different performance monitoring tools for Linux and Linux-like operating systems. In this article we will list a series of the most frequently used

A summary of methods to disable IPV6 under Linux--http://www.jb51.net/linuxjishu/335724.htmlThis article mainly introduces the method of disabling IPv6 in Linux, the operation of disabling IPV6 or considering the current and IPV4 compatibility

The host name needs to be modified with a script, involving the Redhat, SUSE system, and requires that the modifications take effect immediately without restarting, and here is my script.Here's how to use the script:1 First create a script file, if

Guide Beginners or those who are about to enter the pit, often in the QQ group or in the Linux forum to ask some questions, but most of the problems are very basic. For example: How to add the user to the user group, copy the entire file to

First, the software downloadJdk:Http://www.oracle.com/technetwork/java/javase/downloads/jdk7-downloads-1880260.htmlJboss:http://jbossas.jboss.org/downloads/Second, the installation of the JDK1, before the installation must first determine whether

mount Google Drive on Linux the approachIf you're looking for a convenient way to mount your Google drive folder on a Linux machine, The following brothers even education will teach you how to use Google-drive-ocamlfuse to mount Google Drive. Google

Generate your own ssl certificate through openssl in CentOS EnvironmentIntroduction to generating https certificates using openssl This article describes how to generate your own ssl certificate through openssl in Linux and enable https with the

In Android, use TCPDUMP to capture Wireshark to analyze data.GuideIf you want to analyze the network data interaction of an APP in Android, You need to capture packets on the Android mobile phone. The most common packet capture tool is not tcpdump,

Debian deb source method to Upgrade PHP software package, Debian deb Since I learned Linxu, I have always insisted on installing software packages by compiling methods. It seems that all the packages in the circle tend to be compiled. However, the

Build a local yum source in Centos 7 (offline yum repository)System Configuration Operating System: Centos7 Software: 1. Create the yum repository directory mkdir -p /app/yum/centos6.6/x86_642. Install the createrepo Software Online