Linux

  I downloaded a file-----multiple execute command scripts. rar, is RAR compression format, want to open under Linux, so installed rarlinux-4.0.1.tar.gz, this thought very smooth, however, still can not execute RAR command.

WhatWhat is an IP alias?In the words of Windows, you configure multiple IPs for a network card.WhenWhat is the occasion to add IP aliases?Web needs, multi-IP access testing, specific software for multiple IP needs ... and so on.HowHere are a few

The inode is the structure of the saved file attribute in Linux and the actual contents of the file are stored in the block. The address information for the block of the file is stored in the inode. You can use the command Ll-di file_path to view

* This article transferred from Ggjucheng's blogIntroducedIftop is a real-time traffic monitoring tool, monitoring TCP/IP connectivity, the disadvantage is no reporting function. Must be root to run.InstanceThe default is to monitor the first

Recently installed the linux,ubuntu15.04 system on a notebook. I did a U disk Boot disk installation, installed after entering Blos set Ubuntu as the first startup item.After that, restarting the computer shows "unable to find the operating system"

In the study of "dialect and Chinese culture", we need to submit a recording, the phone's recording default is WAV format, need to convert to MP3 formatLinux can be converted with lameLame sample.wav sample.mp3lame-h sample.wav Sample.mp3 # highest

one, thecat command1, optional parameters-A,--show-all equivalent to -vet-B,--number-nonblank number of non-null output lines-e equivalent to -ve-E,--show-ends displays at the end of each line-N,--number all line numbers for the

Gedit/etc/bashrcThe default special symbolic meaning in the shell environment:\d: Represents the date, in the format weekday month date, for example: "Sun Sep 18"\h: The full host name.For example: My machine name is: Redhat.linux, then this name is

Iptables It is the Linux firewall software is often used, the following said iptables device, delete iptables rules, iptables as long as the specified port, iptables shield designated IP, IP section and unlock, Remove the Add Iptables rule iptables

Two special devices for shell condition determination/dev/nullThe empty device of a Linux system, also known as a bit bucket, is discarded when you do not want the normalized output to be displayed or saved to a file to be directed

Tools to use cwrsync:http://down.51cto.com/data/2103716BAT script used on Windows:@echo offset fdate=%date:~0,4%_%date:~5,2%_%date:~8,2%_%time:~0,2%_%time:~3,2% echo%fdate%ldifde-f%fdate%.ldfmove %fdate%.ldf

Make your PHP 7 faster (gcc pgo) We have been committed to improving the performance of PHP 7. Last month we noticed that the gcc pgo can improve the performance by nearly 10% on Wordpress, which made us very excited. However, PGO, as the name

Install VNC server on Centos 7 VNC is a good remote tool, whether based on Windows or Linux, Because I recently learned about Centos, therefore, we are going to build a VNC server on Centos 7 so that I can remotely connect to the server from the

RHCE Study Notes 2 -- command line operation File1. Create and delete a file (touch, rm) touch xxxx create a new empty file touch-t 201412250101 xxxx create a file and specify the time attribute (year, month, day, And hour. seconds) [root @ cai home]

Common SecureCRT commands and common securecrt commands  Common commands:1. ls only lists file names (equivalent to dir, dir can also be used)-A: lists all objects, including hidden objects.-L: a list that contains most attributes of a file.-R:

Add users to sudoers under CentOS After installing the system, CentOS cannot use the sudo command by default. In this case, we need to add the login user to the/etc/sudoers file. Assume that the user name is tom. Switch to Super User: $ su-

Concise Vim leveling strategy (transfer) and vim leveling strategy Original article: http://coolshell.cn/articles/5426.html Vim's learning curve is quite large (see the learning curve of various text editors). Therefore, if you see a lot of VIM

Xiao Li-cloud monitoring methods for SMEs and entrepreneurial teams Entrepreneurial teams often have fewer people, emphasize efficiency, and speed. Therefore, public clouds are generally used to deploy services. cloud-based monitoring is a

Iredmail installation script analysis (iii) --- conf/global DISTRO value source and operating system judgmentWhen introducing the conf/global file, the author has determined the type of the operating system and assigned a value to DISTRO. Part of

Kamailio-V4.3.2 server set up under centos6.5 The installation environment is centos6.5. The first thing to do is: Configure various environments .. Search for details on the Internet. 1. Download the source code: Switch the directory to the