Network commands in linux

write explain Command name: write Command path / usr/bin/write Execute permission: all users Function Description: send information to the user, and save with Ctrl+D grammar Write < user name > Example # Send a message to tenentity write eternity [root@izm5e2q95pbpe1hh0kkwoiz ~]# write eternity write: eternity is logged in more than o ...

Posted by pdpullmn612 on Wed, 19 Feb 2020 04:49:04 -0800

CoolFire lecture series lecture 1

Author: CoolFire [coolfires@hotmail.com] (2001-10-12 15:00:00) CoolHC Volume 1 By CoolFire Author E-Mail: coolfires@hotmail.com Lin Zhenglong, a famous hacker in Taiwan, is the leader of Chinese hackers. Won COG information security Lifetime Achievement Award in 2011Lin Zhenglong Baidu Encycl ...

Posted by random1 on Tue, 11 Feb 2020 22:57:36 -0800

Install R's machine learning GUI tool rattle package

This is a good tool for R to play machine learning. Install the rattle() package &gt; install.packages("rattle") &gt; library(rattle) Rattle: A free graphical interface for data science with R. XXXX 5.3.0 Copyright (c) 2006-2018 Togaware Pty Ltd. //Type 'rattle()' to flick, wiggle, and tumble your data. Rattler, you're too naughty Ru ...

Posted by grga on Sun, 02 Feb 2020 03:01:36 -0800

The application of SMB in Java

Catalog SMB service operations I Introduction to SMB Ⅱ SMB configuration 2.1 Windows SMB Ⅲ add SMB dependency Ⅳ path format Ⅴ operation sharing Ⅵ login verification SMB service operations I Introduction to SMB SMB (full name is Server Message Block) is a ...

Posted by tridean34 on Wed, 29 Jan 2020 02:41:12 -0800

sed stream editor: a powerful tool of Shell script

One of the core ideas of Linux is that everything is a file. Among these files, the text file plays an important role. All the changes of system settings, the adjustment of software parameters, and the most basic command-line operation are the operation of "text". To manipulate text, you can't ...

Posted by DeGauss on Fri, 17 Jan 2020 21:15:47 -0800

Solution of "running package script" for MAC installing MacPorts card

Click the upper right corner to force the end of "installer" Open terminal, enter the command "ps -ef | grep install", find the legacy process and kill it Install Xcode Enter the command "xcodebuild -license" and agree MacPorts is stuck because the installation script uses Rsync update during the installation pro ...

Posted by swathin2 on Thu, 09 Jan 2020 07:11:03 -0800

Ubuntu 16.04 FTP server installation + configuration

ftp server installation and configuration 1. Installation of FTP server If the server configured before or after ftp server fails to start the service, the basic problem is that there is an error in the configuration. You can uninstall it completely before installing it. If you cannot locate the image source, replace the ali ...

Posted by nebb on Sat, 04 Jan 2020 09:56:14 -0800

27.0 implementation of vsftpd virtual user based on MYSQL authentication

Implementation of vsftpd virtual user based on MYSQL authentication 1. Install packages and package groups 2. FTP server realizes PAM configuration 3. Prepare ftp related tables in the database 4. Modify vsftpd configuration file and call PAM ﹣ MSYQL module 5. Virtual users mapping to system users 6. Implement different ...

Posted by bastien on Tue, 31 Dec 2019 07:43:39 -0800

Source Installation for Mysql8.0

The 8.0 version of Mysql has been around for some time. Under recent research, the first step is to install and deploy it. Here is the source installation process. 1. Environmental Preparation OS: CentOS 7.4 DB: Mysql 8.0.18 Hardware: 40G or more space, 4G or more memory 2. Environmental Preparation 1. Download Files Download mysql-boos ...

Posted by ahmedkl on Thu, 19 Dec 2019 17:59:18 -0800

Firewalld sharing Internet and building local yum warehouse

1.firewalld sharing Internet 1. Server operation (server with external network) 1. Turn on the firewall and join the startup [root@zeq ~]# systemctl start firewalld [root@zeq ~]# systemctl enable firewalld 2. Remove the rule that the default owner can access ssh [root@zeq ~]# firewall-cmd --remove-service=ssh --permanent 3. Add only allow 10.0. ...

Posted by Jaehoon on Mon, 09 Dec 2019 14:22:34 -0800