Linux

1. Oppnssl MD5 method of encrypting string A. Manual input commands and procedures are as follows: The code is as follows: #openssl//Enter OpenSSL in the terminal and return. openssl> MD5//input MD5 rear carriage 123456//Then enter 123456, do

according to foreign media reports, Lenovo issued a Wednesday statement confirmed that Yoga 900, 900S deformation could not run the Linux system, only support Windows 10. Prior to this, several social news forums Reddit users on the Linux

This article will summarize the important knowledge points of UDP socket programming in Linux, whether it is developer haulage, or some remote knowledge points of UDP sockets, this paper will talk about. As far as possible, after reading an article,

Rsync's file synchronization implementationI. Introduction of RSYNCRsync (remote synchronize) is a long-distance data synchronization tool, and a brief summary is a synchronization of the file directory data between hosts.it has the following

6.1: Compression Packaging Introduction:Compression: Saves space, facilitates transport, and consumes less bandwidth resources:Common types of compressed files:Windows: . rar. zip. 7zLinux: . zip. gz. bz2. xz. tar.gz. tar.bz2. Tar.xz1. Compression

Usermod Commandusermod Command is a command to change a user's properties, Usermod Similar to the usage of useradd, there are several uses of this command: u sermod  -u number username   change the user's uid user1 user's uid 1

Under various UNIX and Linux operating systems, each file (folder is also considered a file) is read, write, run set permissions.In Linux to modify the permissions of a folder or file we need to use the Linux chmod command to do, below I wrote a few

Organize from the networkUnix IPC includes: piping (pipe), named pipe (FIFO) and signal (Signal)Piping (pipe)Pipelines can be used for communication between affinity processes, and well-known pipelines overcome the limitations of pipe without name,

/************************************************************ Author:samson* date:07/14/2015* Test Platform:* GCC (Ubuntu 4.8.2-19ubuntu1) 4.8.2* GNU Bash, 4.3.11 (1)-release (X86_64-PC-LINUX-GNU)* Nginx Version:* Nginx 1.6.2* Nginx 1.8.0* **********

Linux Disk partition table, file system view, statistical tools, some of the tools are multi-functional, not only to view the disk partition table, but also to do disk partitioning operations, but in this article, we only talk about the disk

recorded, only for study, review use. ****************************Learning environment: Ubuntu 16.04.2 LTS 64-bitThe CP command is used to copy one or more source files or directories to a specified destination file or directory. It can copy a

Here is the basics of storage management for Linux, using a new hard drive device step (partition, format, mount Partition).First, Linux storage Management basic knowledge point1. Hardware compositionIn the computer basic knowledge, each hardware is

A regular expression: a regular expression (or regular expression, called re) is a text pattern consisting of ordinary characters (such as characters A through Z) and special characters (called metacharacters). This pattern describes one or more

After understanding the concept of penetrant testing, the next step is to learn the various tools used in penetrant testing. Before you do a penetrant test, you need to understand the tools needed to penetrate. The tools required to penetrate the

1.4.1 mounting to the hard driveInstalling to a hard disk is one of the most basic operations. The implementation of this work allows users to run Kali Linux without using DVDs. Before you install this new operating system, you need to do some

To facilitate Web debugging on Linux servers, install Firefox1 DownloadsFirst go to Firefox homepage, Chinese is http://www.firefox.com.cn/, click "Free Download"2 Unzip and create a shortcutAfter downloading via FTP software upload to the server

Linux command rpm installation command, linux command rpm In Linux, almost all software is installed, uninstalled, and managed through RPM. RPM is called Redhat Package Manager. It is a software developed by Redhat to manage software packages in

Linux-Zabbix email alert settings, linux-zabbix alertSystem Environment: Ubuntu 16.04 on Zabbix Server Install sendmail sudo apt install sendmail Test email sending Echo "text! "| Mail-s title XXX@qq.com After successful installation, continue to

Batch create user account scripts in linux and linux User Account scripts In the book "linux private house dish" of niniao brother, I found that I forgot what I learned. to get familiar with some commands, let's take a look at the example of

Bunker Ubuntu Core Linux support TS-4900 Iot Development BoardBunker Ubuntu Core Linux support TS-4900 Iot Development BoardThe biggest advantage of a Linux Kernel Operating System is that it can work on various types of hardware, such as ARM or x86