Linux

VMware workstation/fusion are the corresponding desktop virtualization software under Windows/linux and MacOS respectively. In the past, after installing an operating system virtual machine in VMware, it was necessary to install the VMware Tools

DIRECTFB Transplant 1 PrefaceA few years ago, once developed an embedded product, now the market still exists, but because of the rapid upgrading of electronic products, many components are not procured, in order to continue the product life cycle,

This tutorial explains the installation steps of the DB2 database under Inux because of the need to learn the DB2 database recently.Before installing, please review the DB2 version and license instructions to learn more, first understand what

Basic knowledge of computer playing:CPU (operator, Controller), memory, I/O (input device, output device)程序运行模式： 用户空间：user space,us （可执行普通指令） 内核空间：system space （可执行特权指令）POS：Postable Operating System 可移植操作系统 POSIX 可移植操作系统规范运行程序格式：Windows：EXE，

"Everything is socket!. ”Although the words are slightly exaggerated, but the fact is, the current network programming is almost all using the socket.--Thoughts on practical programming and open source project research.We know the value of the

First, statement:This article uses the operating system version: Centos 7 Linux systemVersion Source: Centos-7-x86_64-dvd-1708.isoOfficial website: Http://isoredirect.centos.org/centos/7/isos/x86_64/CentOS-7-x86_64-DVD-1708.isoInstallation package

Note content:L 6.1 Compression Packaging Introduction L 6.2 gzip compression tool L 6.3 bzip2 compression tool L 6.4 xz compression tool Note Date:2017.8.56.1 Compression Packaging Introduction 650) this.width=650; "src=" Https://s1.51cto.com/wyfs02/

Exploitation of Linux heap overflow exploits unlinkTake a bit @ Ali Poly Security0 PrefaceBefore we learned more about the operating mechanism of GLIBC malloc (see article link for the end ), Let's start with a real heap overflow exploit. To tell

Recently need to write a script to backup each server on the program to a designated server, originally thought to check the use of the rsync command 321 can be done, the results of the rsync command to support automatic login or to configure the

Welcome reprint, Reprint please indicate source: http://forever.blog.chinaunix.netWhen writing applications under Linux, sometimes the concept of high-precision relative time is used, such as interval 100ms. So which time function should be used

question : I want to use sudo on my Linux system to run some privileged commands, but when I try to do this, I get the "[my username] is isn't in the sudoers file. This incident would be reported. " Error message. What should I do with this sudo

In the previous blog (http://cloudapps.blog.51cto.com/3136598/1708539), we described how to use Apache's module Mod_evasive to set up anti-DDoS attacks, in which The main prevention is the HTTP volume attack, but the DDOS attack way, a lot of tools,

1. Check the current time zoneLog in as root.Date Fri Sep 5 A:£ ºWhere UTC refers to the currently used time system for world standard Time , also called World coordination Time . The English name is coordinated Universal time and the French name

One of my customers has a VPN which I 'd like to access. they provided me with a copy of the Cisco VPN Client for Linux, and a "PCF" configuration file for the client. here's what I had to do to get the Cisco VPN Client working in Linux-and it does

Daily monitoring and debugging of Linux system performance is a heavy task for the system and network administrators. Five years after working as a Linux system administrator in the IT field, I gradually realized how difficult IT is to monitor and

Salt error Job for salt-master.service failed because the control process exited with error code .,Problem & Amp; emsap ;? When I use salt on a virtual machine, I can't use salt because I read the document and learned it. ps aux | grep salt & Amp;

Ansible automated O & M tool and ansible automated 1 Ansible 1> introduction to ansible Ansible is a new automatic O & M tool developed based on Python. It integrates the advantages of many O & M tools (puppet, cfengine, chef, func, fabric,

Install nfsen and plug-ins on centos I recently used nfsen for Traffic Analysis and recorded some problems during the installation process.First, the most typical problem is that nfsen cannot be started after the installation is complete. The

Create an Ubuntu USB boot disk for Mac in Mac OS X Last month, after I lost my laptop at the Dell service center, I bought a Macbook Air notebook. The first thing I did after I bought it was to install dual systems on the machine to make Ubuntu

Use Windows Azure VM to install and configure CDH to build a Hadoop Cluster This document describes how to use Windows Azure virtual machines and NETWORKS to install CDH (Cloudera Distribution Including Apache Hadoop) to build a Hadoop cluster. The