Linux

Use this command to find out how often words appear in text sorted by highCat Words.txt |tr-cs "[A-z][a-z]" "[\012*]" |tr A-Z a-z|sort|uniq-c|sort-k1nr-k2|head-10But sometimes we want to find out how often a word appears. We can use a few of the

1. Create a new file tomcat.sh and write the above content to the document. Java_home,webserver_path fill in according to the actual situation.2. CP Tomcat.sh/etc/init.d/tomcat3.sudo sysv-rc-conf Tomcat onCheck the Tomcat boot settings:You can also

1.DUMPE2FS [-BH] Appliance file name: Query Superblock and blockgroup information, parameters:1)-B: Lists the sections reserved for bad tracks2)-H: List only superblock data2.EXT2 file system when creating a new directory, the directory is assigned

Sort The command is to help us sort according to different data types, its syntax and common parameter formats:　　sort [-bcfmnrtk][ source file ][-o output file ]Additional notes: Sort can be ordered for the contents of a text file in the unit of

The options in the setting [main] section of the previous chapter, which describes the values for setting the [Repository] Options section[Repository] section, here Repository is a unique repository ID, such as My_personal_repo (space is not allowed)

When looking at the battery driver, Get_fs () and Set_fs (Kernel_ds) are encountered, the following are the specific functions:void Vendor name _bat_write_phone_bat_capacity_tofile (void){struct file *fp_bat_sts = NULL;int used = 0;mm_segment_t

Since the choice of the Internet of things this major, the word smart XX affects every learning this professional child.Everyone came to school in an enthusiastic way, and all the imagination was different from what they had imagined. Imagine a

Topics: 1. Embedded Basics 2. Linux Kernel Introduction 3. Kernel compilation and installation (x86) 4. The first module of 5. Related tools for modules 6. Symbol export for Module 7. Parameters of the module job: 1. Look at linux/module.h. Look

sudo apt-get install Libboost-devHowever, after I installed this, there were a lot of errors in compiling the program, and all the errors in the system files. I started to think it was my boost library version was wrong, and later changed several

Forgot your password. It's the norm! How to change? Look down!!The root user password for Linux maximum permissions forgot? What do you do, redo the system? Of course, you can do this!!! However, in a production environment 、。。。。。。 Are you okay?

This article original for freas_1990, reprint please indicate source: http://blog.csdn.net/freas_1990/article/details/42033025Network cards and disks are the most demanding 2 peripherals in a modern server, let's look at how the Linux kernel handles

Linux View port Usage-houying-Blog channel-csdn.net -bash-3.00# netstat-tln ? ? The NETSTAT-TLN command is used to view the port usage of Linux　/etc/init.d/vsftp start is used to start the FTP port!　See File/etc/services　Netstat　

Implement an available stateless bidirectional static NAT module on Linux, statelessnatThere are already a lot of documents on how to configure NAT on Linux! This article has nothing to do with it. This document provides a method other than iptables.

Tomcat is set to start at startup in linux. #!/bin/bashexport

Install and configure keepalived in CentOS5.9 Keepalived is a routing software written in C language and is an extension of lvs. It is mainly used for RealServer health check and failover implementation between LoadBalance host and BackUP host.

How to install vsftpd on centos 7 I feel very bad. I have tested none of them on the Internet, but I have always reported errors. After 10 reinstalls, the correct method is finally tested. # Official website configuration instructions

Add commands to vivi and vivi Add your own commands in lib/command. c of vivi The core data structure is user_command. Typedef struct user_command { Const char * name; // command name Void (* prop func) (int argc, const char **); // command

Ten questions about Linux file systems-a deep understanding of file storage methods10 questions about Linux File System-- Do you know about file systems? Source: File System 10 questionsI believe everyone is familiar with file systems. As a siege

How to add a dynamic link library in CentOS After compiling some C/C ++ files, when running, an error is reported that the shared library cannot be loaded. For example:[Plain] view plaincopy ./Write: errorwhileloadingsharedlibraries: libhdfs. so.0.

CentOS install rpcapd Service (WinPcap) To use Wireshark for remote packet capture, you need to install the corresponding rpcapd service on the remote host. On Windows, you only need to install the WinPcap software. It already contains the rpcapd