openssl rand 32

OpenSSL req is used to generate a certificate request for a third party authority CA to issue and generate the certificate we need. The Req command can also invoke the X509 command for format conversion and display information such as Text,modulus

7 methods for generating random numbers in shell instancesI. Problems A random number is sometimes used in Shell, and the method for generating the random number is summarized here. Computers generate only pseudo-random numbers and do not generate

Types of data encryption and the creation and application of CA certificates1. Data transmission over the Internet must be guaranteed by the following 3-point features:Privacy: Encryption of dataIntegrity: The data transfer process has not been

first, the questionit is sometimes necessary to use random numbers under the shell to summarize the method of generating random numbers. The computer produces only "pseudo-random numbers" and does not produce absolute random numbers (which is an

First, the questionIt is sometimes necessary to use random numbers under the shell to summarize the method of generating random numbers. The computer produces only "pseudo-random numbers" and does not produce absolute random numbers (which is an

Issue 1: Batch Create 10 System account UCODE01-UCODE10 and set the password (the password cannot be the same)#!/bin/bashFor N in $ (seq-w 10)DoUseradd ucode-$necho "$n" |passwd--stdin ucode-$nDone[Email protected] scripts]# sh adduser01.shChanging

The method of 1.1.1 Inux random number http://www.2cto.com/kf/201410/342717.htmlMethod one. [[Email protected] ~]# date +%n%N nanoseconds randomly acquired nine-digit pass time823015723Get random numbers by time (date)Date +%s%n #生成19位数字, 12877648070

Docker intranet: Docker-registry with Nginx & SSL on CentOSSince Docker-registry is also a software application, the easiest way to do this is to use the officially provided image registry that has been deployed. The official documentation also

Three, Shell script Development Basic Specification System functions in 1,/etc/init.d/functions action using the method: Show XXXX, and the right side shows the green OK Word: action "xxxx"/bin/true Display XXXX, and the right side shows the red

One of the great advantages of the Linux operating system is that you can use up to hundreds of ways to implement it for the same thing. For example, you can generate random passwords in dozens of ways. This article describes 10 ways to generate a