Linux

Introduction A condition variable is a mechanism for synchronizing a global variable shared between threads, consisting mainly of two actions: one thread waits for the condition variable to hang (the CPU is no longer in use), and another thread

Samba is a set of applications that use the SMB (Server message Block) protocol, and by supporting this Protocol, Samba allows communication between Linux servers and Windows systems, making Cross-platform exchange possible. Samba is a freeware

Scope of application: g40-70,g50-70 Lenovo small New notebook sr1000,linux change Win7 　　Knowledge Point Analysis: This is changed for Windows 8 Windows 7, but because of the frequent use of ghost and PE, it is necessary to change the GPT to MBR,

1. What is DNSDNS: Domain Name Service, which is a hierarchical computer and network Service naming system that implements name resolution (HOSTNAMEDNS uses the C/s architecture, and the service listens on port 53rd of the host's tcp/udp. Transport

Watch the video is Bilibili's URL as follows: https://www.bilibili.com/video/av18069261/?p=36Then a summary is made, there may be errors or omissions, and reference to other people's information.System InformationThe processor architecture of the

DF View the total capacity of mounted disks, usage capacity, remaining capacity, etc., can not add any parameters, by default is displayed in K unitsDF Common parameters are –i-h-k–m, etc.-I display results using inodes-h display in the appropriate

Read Catalogue Objective Using the Tmux MUX Console window Move the cursor quickly in the command line Quickly delete text from the command line Quick View and search history commands Quick Reference and Retouch history

Ubuntu installation Pits:1, for beginners to install Ubuntu for the first time, the special situation will appear because the resolution problem caused by the installation interface is not complete, unable to proceed to the next step.Solution: Use

#!/bin/shenvironment_python () {yum-y install pythonecho "python OK"}environment_git () {yum-y install gitecho "git OK"}ge T_from_github () {cd/root/git clone Https://github.com/andreafrancia/trash-cli.gitecho "Download trash-cli OK"} Install_trash (

Turn from: Http://www.2cto.com/os/201305/213782.htmlLinux System file properties: Drwxr-xr-x meaning drwxr-xr-x 4 Oracle DBA 4096 May 11:47 or Alog1drwxr-x---Root root 4096 may 13:51 root the above file details the meaning of the drwxr-xr-x

This error occurs after installing Kalilinux to the USB flash drive:This is the wrong grub path.Workaround:In this mode you can enter the command: Blkid to see the listed disks find your USB drive system type= the "Ext4" area to write down the

Arpspoof is a very good source code program for ARP spoofing. Its operation does not affect the communication of the entire network, and the tool achieves spoofing to the target by replacing the data in the transmission. This section describes the

1. Installation, configuration and start-upSSH sub-client openssh-client and Openssh-server if you just want to login to another machine SSH only need to install Openssh-client (Ubuntu has default installation, if not then sudo apt-get install

~~~~~ KVM virtualization ~~~~~, Kvm VirtualizationKVM Virtualization To use KVM, a graphical system must be installed in the system environment. 1. Check whether the machine supports virtualization. View Intel CPU: cat/proc/cpuinfo | grep -- color

Use windows desktop ftp to upload files to the linux server, and upload files to linux First, install ftp on the linux Server [Root @ host2 test] # yum-y install ftp vsftpd [Root @ host2 test] # service vsftpd start [Root @ host2 test] # chkconfig

Linux memory mechanism and manual release of swap and memory, linux mechanism to release swap Today, let's talk about the Linux memory mechanism. First, let's take a look at the concept 1. What is the linux memory mechanism? We know that reading and

Install the official Wine 3.0 version On Debian, Ubuntu, and Linux Mint Wine is an open-source, free and easy-to-use program that enables Linux users to run some Windows-based applications on Unix-like operating systems. Wine is a compatible layer

[] Basic knowledge of Linux: TP-Link WN823N wireless network card (RTL8192EU chip) X86-64 and AARCH64 driver installation, Purpose: Enable embedded devices similar to Raspberry Pi's AARCH-64 architecture to connect to Ethernet over a USB wireless

Linux yum Error: Cannot retrieve repository metadata (repomd. xml) for repository: base. Please verify its path and try again, In Linux, if you use the yum command, an Error occurs: Cannot retrieve repository metadata (repomd. xml) for repository ...

Install and configure PHP 7.1.12 in CentOS 7 Linux: CentOS 7 Record the installation and configuration process of PHP 7.1.12 in CentOS 7. Install the dependent package first Yum install Pcre-devel zlib-devel openssl-devel gd-devel libjpeg-devel