Linux

The socket mechanism provides two socket option interfaces to control the behavior of sockets. An interface is used to set options, and another interface is used to allow us to request the status of the option. We can get and set three kinds of

mkdir command MkDir is used to create one or more directories Grammar: Grammar is mkdir [command switch] Directory Command switch: -M Text directory set operation permissions -P If the parent directory does not

Linux's crontab command, which can be performed on a regular basis, and the minimum cycle is executed once per minute. About Crontab implementation per second can refer to my previous article "Linux Crontab implementation per second" Now there is a

demsg command Function descriptionThe demsg command is used to display the boot information, the kernel stores the power-on information in the system buffer (ring buffer), can be viewed with the DMESG command after power-on, or the DMESG file

Environment: Centos6.6+tinyxml_2_6_21. Download and unzip Tinyxml_2_6_2.zipUnzip Tinyxml_2_6_2.zip2. Create a CMakeLists.txt file in the TinyXML folder and set the content tocmake_minimum_required (VERSION 2.8)Project (tinyxmllib)include_directories

Process Scheduler 4.1 multitaskingA multitasking operating system is an operating system that can simultaneously concurrently execute multiple processes concurrently.The multitasking system is divided into two types: Preemptive multitasking:

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Environment: Ubuntu 10.10 ServerMinicom is the Linux under the serial communication software, its use relies entirely on the keyboard operation, although no "HyperTerminal" so easy to use, but after using the habit reader will appreciate its

As you know, there are a lot of dynamic link libraries in Windows systems (files with a. dll suffix, DLL is the dynamic link library). This dynamic link library, unlike the static function library, its functions are not part of the execution program

A sudden whim this afternoon to play MC, but think now is the Linux system. I consulted most of the online tutorials, are almost out of date, is ready to give up when suddenly remembered that MC is Java write Ah! Certainly support the Linux platform,

Linux yum commands and yum commands Yum (all called Yellow dog Updater, Modified) is a Shell front-end Package Manager in Fedora, RedHat, and SUSE. Based on RPM package management, You can automatically download and install the RPM package from the

How to Create a USB flash drive for Ubuntu Installation Many of my friends know that Ubuntu is a very good Linux release. It is also very easy to download Ubuntu from the official website. But after downloading ISO, how can we install it? Of course,

Install Strongswan: an IPsec-based VPN tool on Linux IPsec is a standard that provides network layer security. It contains Authentication Header (AH) and security load encapsulation (ESP) components. AH provides the integrity of the package, and the

10 basic Linux commands that should be remembered by new Linux beginners Linux has a huge impact on our lives. At least, your Android phone has a Linux kernel. However, starting Linux for the first time will only make you feel uncomfortable. In

How to Use yum to install and uninstall jdk and use yum to uninstall jdk The installed CentOS comes with OpenJdk and uses the java-version command. The following information is displayed: Java version "1.6.0"OpenJDK Runtime Environment (build

Ssh port forwarding details Ssh is a multi-purpose tool. It not only supports remote logon, but also supports socks proxy and Intranet penetration. This is achieved through its port forwarding function. The so-called ssh port forwarding refers to

How to block network traffic in Linux based on country location As a system administrator who maintains a Linux production server, you may encounter the following situations: You need to selectively block or allow network traffic to pass through

Install the open-source ITIL portal iTOP On Debian 7 As an ITSM tool that fully supports ITIL processes, iTop has powerful ITSM functions. It is open-source, free, and easy to use. ITop (IT Operation Portal) is an open-source web application used

Install Webuzo control panel on Ubuntu 15.04 Webuzo is a single-user control panel/Application Manager that allows users to deploy popular Web applications, such as WordPress, Zoomla, and Drupal. You can click and easily deploy them. Installing such

Puppet centralized Configuration Management System Puppet is a configuration management tool. It is typical that puppet is a C/S structure. Of course, there can be a lot of C here, so it can be said that it is a star structure. all puppet clients