Linux

If the anonymous FTP home directory can be written, you can write a ". forward" file. The file content is a line of Shell commands caused by double quotation marks. The ". forward" file is used for mail forwarding. If a user (FTP in this example)

The problem with these sites is that you can use system (), exec (), and other functions. You should be familiar with php, these functions call system commands (although the web server php program can only have the nobody permission). Generally,

1. Partition MBR (Master Boot Recorder) Primary Boot partition only provides up to four partitions, Primary partition Primary, P) and Extended partition Extended, E), such as 3 P + 1E, up to one extended partition can be created. 2. File System Ext2:

Bluetooth is a short-range wireless technology used to replace cables. It supports 723 kbps (asymmetric) and 432 kbps (symmetric) speeds to transmit data and voice. The transmission range of a Bluetooth device is about 10 meters (30 feet ). BlueZ is

Learning about Linux and Linux backup is one of the most important links. After reading Linux backup books for a long time, I would like to share with you that you will surely have a lot of gains after reading this article, I hope this article will

In Linux disk management, Quota is used to restrict the disk space of users. Generally, Quota is included in the kernel when Linux is installed, and does not need to be installed separately. Quota can specify disk storage restrictions in two ways:

1. view the names and values of all environment variables: In Linux: export Windows: set 2. Check the environment variable value by name: Linux: echo $ environment variable name Example: echo $ ORACLE_HOME Windows: set environment variable

GFS is actually a Network Log File System, which is usually used as a shared storage device by multiple computers. Because GFS is a log file system, if you apply it to a separate computer, it is equivalent to a local log file system, and enjoy the

You can use the localtime function to obtain the values of year, month, day, hour, minute, and second. How to Implement C language for obtaining system time in Linux: 1. You can use the localtime function to obtain the values of year, month, day,

General settings of CPUfreq We will first introduce the usage settings of the Linux CPUfreq subsystem and provide some Interface Options to see how easy it is to use. First, we will discuss some general settings: /Sys Interface Cpuspeed setting file

1. Upload jdk-6u17-linux-i586.binand apache-tomcat-6.0.20.tar.gz to/usr. 2. Install JDK $ Chmod a + x jdk-6u17-linux-i586.bin $./Jdk-6u17-linux-i586.bin $ Vi/etc/profile # Add the following Export JAVA_HOME =/usr/jdk1.6.0 _ 17 Export PATH = $

Nowadays, many users are applying linux systems. With the maturity and stability of linux systems and its advantages in open source code, linux has been widely used in the world. Nowadays, many enterprise computer systems are using linux. The

With the development of the times, Linux has now become the mainstream, and many people are using the Linux system, from which we also find many problems. Today we mainly talk about the sharing configuration method of Linux Sambauser, I hope you can

I have two methods to mount partitions when Linux is started. One is fstab and the other is rc. local. I prefer the other. Pay attention to the following two methods: Fstab is mounted when it is started, so pay attention to whether your partition

As a Linux application, you should be familiar with Linux functions. Today I will talk about setting up Linux to delete automatic backup. Linux is a system that automatically generates files, such as logs, emails, and backups. Although hard disks

What operating system do you apply now? Is it Microsoft or Linux. But do you know about Linux? Do you know the uCLinux operating system? This document describes the comparison and analysis of Linux and uCLinux operating systems. I hope this article

Our daily life is increasingly inseparable from the Internet. Many people are used to surfing the internet with computers. Many people visit the Internet, such as Internet Explorer. You may also like to use Opera. The speed of Opera makes people use

Linux is becoming more and more popular among computer users, so many people start to learn about Linux. In many cases, we need to record the operation process on the Linux Desktop, for example, screen presentation and video teaching. Here we will

We often use computers, and the computer is essential to the operating system. However, Linux is developing very rapidly and is catching up with Microsoft. Here we will introduce the knowledge of Linux, so that you can learn how to use Linux. Today,

What operating systems do you use now? Recently, Linux seems to be popular. Do you know GNU/Linux? The GNU program, also known as the German plan, was launched by Richard Stallman in September 27, 1983. The goal of the GNU program is to create a