Linux

[Root@lookback ~]# echo 8.8.8.8|awk-f. ' {for (i=1;i00001000.00001000.00001000.00001000[Root@lookback ~]#[Root@lookback ~]#[Root@lookback ~]# echo 8.8.8.8|awk-f. ' {printf '%d\n ', ($1* (2^24)) + ($2* (2^16)) + ($3* (2^8)) +$4}

Solution: Method One: Change the directory or file's policy type to httpd_sys_content_t.# chcon-r-h-t httpd_sys_content_t/www/web/You can then use the Ls-laz command to view the policy type of the file directory. Method Two: Disable SELinuxLinux

The need for command-line arguments is useful when defining an alias. But the result of verifying the document is that the alias does not support passing command-line arguments at all. However, we can work around this problem by defining the

File and directory operations: Go to a directory: cd/directory Name Return to Parent directory: CD ... Return to upper Parent directory: CD. /.. Delete File: RM filename Delete directory: RmDir directory name Move or rename a file: MV Old path

System crashes, generally divided into two situations: first, the hardware problem, the second is the software problem. First, the hardware problem The following points can be considered for analysis: 1, do not overclocking the CPU, if already

Hook Command (Mount)First, introduce the use of the Hook (Mount) command, the Mount command parameters are very many, here is the main point we want to use today.Command format: Mount [-t vfstype] [-O options] Device dirwhich1.-t vfstype Specifies

The English original intention is the dump traffic on a network, namely intercepts the network the datagram, may intercept the different datagram according to the specified network interface . It outputs a description of the content of the report

As a large office suite, the embedding and invocation of data between functional modules of OpenOffice (OO) is essential and a manifestation of the powerful functionality of the Office suite. So how do you implement calls between individual

　　Novice to Linux [Series II] OK, your first question is: What is Linux and what is the difference between it and UNIX? The reason for this question, most of you are still in freshman time to go to the laboratory, see the senior students in a large

After installing Linux, have you ever paid attention to the Linux boot process? This article tries to describe this process and the related situation in the popular language, understand the Linux boot process, you in the face of the problems of the

Today in the morning a period of time, completed the installation of the MediaWiki service, using the version of mediawiki-1.5.2, installation steps: 1, download the following required

This chapter explains how Linux systems keeps time and what needs to be done to avoid problems. Usually, you don't have to do anything about time, but it's better to understand it. Time Time measurement is based on the most regular natural phenomena,

On personal computers, WinDOS systems and Linux systems can be used to complement each other, and in this article we'll show you how to use both systems on a single computer, including the best way to start, what files to use, and more. In the past

With Linux growing, the Linux market is also polarized: one is the creator of free software, the other is IBM-like, and one side is a group of interests driven by the selfless devotion of wisdom. Although Linux has been in the media for two years,

There are so many remote control tools in Microsoft's Windows operating system that most people are familiar with is Symantec's PC ANYWHERE, CA controlit, and so on. These remote control tool software can control a particular computer through the

OK, your first question is: What is Linux and what is the difference between it and UNIX? The reason for this question, most of you are still in freshman time to go to the laboratory, see the senior students in a large screen machine for the problem,

1. Use the first Aid disk group for maintenanceThe first Aid disk group (also known as the Boot/root Disk group) is an essential tool for system administrators. It allows you to start and run a complete Linux system independently. In fact, there is

Wen/Wu di In the process of learning Linux, installing Linux is the first hurdle for every beginner. In the middle of the process, the biggest confusion is to partition the hard disk. Although the various versions of Linux now offer a friendly

The normal mount disk under Linux is fdisk, but Fdisk does not support GPT partition (MBR partition table only supports 2T disk), so the disk to be mounted is larger than 2T to use parted for GPT disk operation!Parted function is very powerful, both

Reprint: http://blog.csdn.net/a_ran/article/details/43759729Three scheduling strategies for the Linux kernel:1,sched_other time-sharing scheduling strategy,2,sched_fifo Real-time scheduling strategy, first-come-first service. Runs continuously once