Linux

Some people say that security is not a product, but a process. While the SSH protocol is designed to be secure with encryption , if used improperly, others can disrupt your system: such as weak passwords, key leaks, using outdated SSH clients, and

The Linux mkdir command is used to create a directory of the specified name, requiring the user who created the directory to have write permissions in the current directory, and the specified directory name cannot be a directory that is already in

I. BACKGROUNDSystem administrators often require SSH or telent telnet to a Linux server and often run tasks that take a long time to complete, such as system backups, FTP transfers, and so on. Usually we open a remote terminal window for each of

When you run Apt-get update, the following error is reported:E: Unable to get lock/var/lib/apt/lists/lock-open (11:resource temporarily unavailable)E: Unable to lock the directory/var/lib/apt/lists/This problem is meant to be used for the apt-get

IntroductionIn compiling the 2.6 kernel, you will see in the compilation options [*] Enable Futex support this item, online search, some data will tell you "do not choose this kernel can not be properly run using GLIBC program", What is Futex?

First, the problem introducedDuring work, a system designer throws the following question, the following code, outputs several "-"? ：/****************************************************************************** Copyright by Thomas Hu, all rights

yesterday, we looked at Nagios alert information and found that one of the servers was overloaded and the machine was a centos system. The information is as follows: 2011-2-15 (Tuesday) 17:50 Warning-load average:9.73, 10.67, 10.49

A detailed description of basic network equipment on LinuxThe principle and use of abstract network equipmentNetwork virtualization is an important part of Cloud. As a basic knowledge, this paper describes in detail the principles, usages and data

In the Linux device driver first: Introduction to the device driver briefly describes the character driver, this article briefly describes how to write a simple character device driver. This article draws on the source code in the LDD, realizes a

You will often see the SSH client, or you may hear ssh to a machine. Question: What is the relationship between SSH and SSH clients?1, ssh,secure Shell, is a network interaction protocol, also refers to the implementation of the Protocol Network

Linux OS Installation vmware Tools under VMware phereWhen it comes to VMware Phere believe that we have a certain understanding, for the original people also prefer, compared to Hyper-V, VMware vphere Strong, such as compatibility, there is also a

First, usechown CommandChange file ownerin the shell, you can use thechown Commandto change the file owner. chown Commandis the abbreviation for change owner (changing owner). It is important to note thatThe user must be in an existing system, which

I bought my first SSD more than 5 years ago (late), for my white MacBook Core2duo 2.0 Ghz. It May is needless to say that my MacBook ran faster than many MacBook Pro's at that time. The look on peoples faces when they saw my MacBook boot faster than

Lenovo Ultrabook Ubuntu system cannot enable Wireless hardware switch Solution I. Problem Description I am using Lenovo's ultraboo yoga2 pro. By default, it is mounted to the Win8 system. However, when the Ubuntu dual system is mounted, the Wireless

VPN client on linux debian, vpndebian Install the pptp-linux and pptp-linux-client: 1 sudo apt-get install pptp-linux-client   Create a connection config: 1 sudo pptpsetup -- create [ConnectionName] -- server [Ip] -- username [Username] --

Rotten mud: Learning Nagios (3): NRPE installation and configuration, nagiosnrip This document consistsXiuyi Lin FengProviding friendship sponsorship, first launchedThe world In the first two articles, we introduced the installation and

Sian O & M engineer interview questions 1. What are the functions of the following Linux commands? Init 0 Chkconfig -- level 3 sendmail on Tar-czvf test.tar.gz ./ Chown-R www:

Chapter 1 build the Qt development environment, Chapter 1 build the qt Development Chapter 1 build a Qt Development Environment 1.Ftp://ftp.qt-project.org/Download the source code package of Qt. I downloadedQt-everywhere-opensource-src-4.8.1.tar.gz.

CentOS uses NTFS-3G to load NTFS hard drive When mounting NTFS Format hard disk CentOS will report the error unknown filesystem type 'ntfs ', then you need to use a third-party plug-in NTFS-3G to load ntfs Format hard disk. The NTFS-3G is an open

Install mysql on CentOS and set it to open to the outside