Linux

I have been accustomed to direct use of root, rarely use Su, only a few days ago found Su and Su-command is an essential difference!The default accounts for most Linux distributions are normal users, and changing the system files or executing

Yum (full name Yellow dog Updater, Modified) is a shell front-end package manager in Fedora and Redhat and SuSE. Based on RPM package management, the ability to automatically download the RPM package from the specified server and install, can

1. SPI Bus structureSPI Serial Peripheral Interface, is a high-speed, full-duplex, synchronous communication bus. Adopt master-Slave mode architecture, support multiple slave, generally only support single masterThere are 4 signal lines in the SPI

EmbeddedLinux Bare Metal Development (13)--i²c communication a,IIC Protocol 1. Introduction ofIIC bus     i2c (Inter - integrated circuit) bus is a philips The company developed a two-wire serial bus for connecting microcontrollers and

Today, I want to share the package on the windows on the CentOS, but found that the VM on the CentOS VMware Tools are not installed, the next, and finally installed, as a technical rookie, also wrote a blog to encourage their own 650) this.width=650;

Arm-linux s5pv210 UART Driver (3)----serial core layer, key structure, interface relationshipAlthough a specific UART device driver can be designed with a TTY-driven design, which defines Tty_driver and implements Tty_operations member functions,

1, GNU, what is GNU,GNU full name: GNU ' s not unixGNU's important components (Emacs,gcc,bash,gawk, etc.), together with its own kernel, constitute the GNU own system---> uselessNow some of the important software in Linux is the GNU component and

Embedded Linux development environment set up (I.)--Network setup of dual NICOne, the Linux distribution version is ubuntu-14.04.4-server-amd64 versionInstall UbuntuSecond, network settings 1. Add a dual NIC to the virtual machineeth0 Bridging the

1. Wireless Card Driver PreparationReady to install the driver (my Dell6430 Configuration Intel U series) (Download driver and unzip on the recognizable storage device)2-18 from "The Journey of a Journey" 2. Installing and configuring sudo

Directory Operations:RM-RF Mydir/* Delete Mydir directory, do not need confirmation, directly delete */mkdir dirname/* Create a directory named DirName */CD Mydir/* Enter the Mydir directory */CD-* * Return to the directory where it was before

Files written on Windows, opened under Linux or UNIX, each line will have more characters like ^m, because Windows is different from *nix's newline character, so let's see how the file format differs.To view file formats under Linux:# file filename#

About Linux Resources I know less, because I hate to use command line (that is the shadow of my college days!). ）。 This resource collection has not been shared for a long time, because I know very little about Linux, I do not know how to describe it,

SSH (Secure Shell) protocol. The Remote administration tool under the command line Interface (CLI), almost all operating systems, differs from Telnet,SSH encrypts data while it is being transmitted, so SSH is a more secure protocol. Almost all

Telnet Deployment and startup Windows&&linuxFirst, Win7 The default is disable telnet Service (can be executed sequentially)Restart the Telnet method as follows:1, if you go directly to the Control Panel management tool in the service to find telnet

Use Shell scripts to automate Linux maintenance tasks If a system administrator spends a lot of time solving problems and doing repetitive work, you should doubt whether this is correct. An efficient system administrator should make a plan to spend

Build a Local CD yum source using CentOSGuideWhen we use the Yum tool to install the software package, we will feel very simple, it solves the dependency of a certain degree of software package. However, the Yum tool provides an online installation

The development of Ubuntu LTS 16.04 enters the function freezing stage. The development of Ubuntu LTS 16.04 has recently reached a very important stage-the function freezing stage. The Ubuntu development cycle is usually 6 months, and this version

Install FPS open-source game Warsow 16.04 in Ubuntu 2.10 The FPS open-source game Warsow 2.10 was released early this year and can now be installed using the getdeb package. It is a completely free, fast-paced first-person shooting game for Windows,

Install Nagios 4.1.1 on CentOS 6.6 Environment: VMware Workstation Virtual Machine, Server: 192.168.118.128 Server Environment: CentOS-6.6 nagios-4.1.1 httpd-2.4.20 php-5.6.22 Server installation: Useradd nagios User

HAProxy for Server Load balancer HAProxy provides high availability, Server Load balancer, and TCP and HTTP application-based proxy. It supports Virtual Hosts and is a free, fast, and reliable solution. HAProxy is especially suitable for websites