Linux

Install Tcpdump The code is as follows Copy Code # yum Install tcpdump There is a comment #diy in the script, which means that the next line needs to be custom modified.The scripts are placed in the home

1, debugging principleGDB debugging is the application running on the development Board, then on the PC on the Development Board to debug the application , the PC runs GDB, the Development Board runs Gdbserver. When debugging the application, GDB on

Under Linux, sometimes you encounter a file named after a special character, and you need to escape the symbol to remove the file. Here are a few examples to look at:[[email protected] tmp]# touch \ (22\)[email protected] tmp]# Touch \1231[email

First Level: General administrator1, Characteristics: can understand the concept of zoning, know how to install Linux system and common database, desktop Manager, application software, etc., can do some basic configuration (such as network, printer,

Network is a very magical thing, modern life can not be separated from the network, the network has been deep into people's work, life, entertainment and other aspects. The network is everywhere because it provides a lot of network services, so

[Email protected]:p Ractice] LS-Lrttotal A-rwxrwxrwx1Berry Berry -Dec - Ten: -F1.txt-rwxrwxrwx1Berry Berry206Dec - Ten:WuyiF2.txt-rwxrwxrwx1Berry Berry372Dec - -: -F3.txt[[email protected]:p Ractice] chown guest:guest f1.txt chown:changing

Disk array (RAID) instances RAID Technology classification Soft RAID Technology Hard RAID Technology The difference between RAID and LVM Why choose to use raid RAID detailed RAID-0 RAID-1

1. system and software versions1.1 System VersionCentOS6.5 x86_641.2 NTPD software versionNtp-4.2.8p9.tar.gz1.3official: http://support.ntp.org/bin/view/Main/SoftwareDownloadsReference Documentation:

Linux series of many operating systems are using MD5 encryption user password, encryption process is one-way, so to crack can only use brute force crack method.Below to share a program to crack the root user password.The program iterates through

GrepThe grep command in a Linux system is a powerful text search tool that uses regular expressions to search for text and match lines to print.Command syntax:Usage:grep [-ABCDEFGHHIIJLLMNOOQRSSUVVWXZ] [-A num] [-b num] [-c[num][-E Pattern] [-F file]

The file system is a very basic knowledge of Linux, but also a prerequisite for learning Linux.This article will stand in a higher view to understand the Linux file system, mainly including the Linux disk partition and directory, Mount fundamentals,

DNS cache serverExperimental Machine IP 192.168.1.202First of all:1. Yum install bind bind-libs bind-utils-y download package Installation2. cp/etc/named.conf /etc/named.conf.bak Copy a configuration file3. Vim named.conf into the configuration file(

Both Hadoop and ansible need this stuff, which is really simple.First, generate the public and private keys on the machine that requires a secret-free login:Ssh-keygenSecond, the copy-generated public key is id_rsa.pub to the remote machine:Ssh-copy-

Translated from http://www.cnblogs.com/wanqieddy/archive/2011/07/15/2107071.html1 , grepgrep (general Regular expression Parser, universal regular expression parser) is a powerful text-search tool that can use regular expressions to search for text

Text processing cat more less head tail sort uniq grep cut jion sed awk################################################cat:concatenate files and print on the standard output display the contents of the file to the normal outputs (display)-E:

RedHat 7 install and configure Tomcat 8 RedHat 7 installs and configures Tomcat 8, and only JRE is installed without JDK .. The test environment is as follows: Operating System: Red Hat Enterprise Linux Server release 7.2 (Maipo), minimal

Install Kafka 0.10.1 on CentOS 6.7Master [root@master ~]# wget http://apache.fayea.com/kafka/0.10.1.0/kafka_2.10-0.10.1.0.tgz[root@master ~]# tar -zxvf kafka_2.10-0.10.1.0.tgz[root@master ~]# mv kafka_2.10-0.10.1.0 /usr/local/ [root@master ~]# vi

Daydream keyboard is coming VR has become a hot topic in the consumer industry, while the input experience of VR is different. On the physical layer, each manufacturer provides a different handle design, but if you want to solve the input, it is

Sprout new note-vim command "=", "d", and "y" usage (combined with the cursor movement command, it will be very convenient in some cases), vim is very convenient Vim has many commands. on the Internet, you can search for a bunch of posts and

Implement atosl on linux and atosl on linux Refer to the following link for more technical tips: Alibaba Cloud blog Preface On linux, how does one implement an atos tool (iOS symbolic parsing) similar to that on mac )? Analyze problems On github I