Linux

　　Yocto is an open source community that helps developers create custom systems based on the Linux kernel by providing templates, tools, and methods. This tutorial uses Yocto to build a Linux system for P1010RDB development.First, the Linux system

Java_home directory for configuring JDK under Linux1. Create JDK folder, upload JDK, unzip#创建目录 mkdir /usr/java# decompression unzip Jdk1. 7. 0_45_20150317. Zip2. Edit the configuration file, configure environment variablesVI /etc/profileAdd the

Today Nagios Alarm, a server disk full, use DU-SH * or du-sh/* To view the size of the directory, looking for a large space-occupying directory/var/spool/clientmqueue ....Then just want to/var/spool/clientmqueue this directory why use, tangled up

Introduction and practice of special permission bits for Linux files and directoriesIn Linux, both Superuser root and normal user can use the command "passwd" command to modify their password, but everyone who knows Linux know that the Linux

1.LS command:LS used to view files, is a very common command:[[email protected] ~]# LS//does not contain hidden files[[email protected] ~]# ls-a//All files, including hidden files[[email protected] ~]# ls-l//file details[[email protected] ~]# ls-lt//

Linux SCP remote File/directory Transfer1. Get the files on the remote server[Email protected]:/root/test. Tar.gz/home/test. tar.gz Upper Port Capital P is the parameter, 22 means change the port that connects SSH, if not change the default SSH port

First, the network card driver architectureFrom top to bottom level: Application → system call interface → protocol Independent interface → network protocol stack → device Independent interface → device driver.II. Important data structures1. Each

first, the principle of explanation1, the Routing table (table) numbering from 0 to 255, each number can correspond to an alias, the corresponding relationship between the number and alias in Linux/etc/iproute2/rt_tables this file, General 0

Links can be specified by the-L and-l, so the link can pass, but at runtime, the system still cannot find the specified library, which requires a simple configuration.Workaround 1:You can add the path of your own library directly to

File/sbin/init or File/bin/ls/sbin/init:elf 64-bit LSB executable, x86-64, version 1 (SYSV), dynamically linked (uses shared libs), for Gnu/linux 2.6. Stripped,If the display 64-bit is 64 bits;File/sbin/init/sbin/init:elf 32-bit LSB executable,

---restore content starts---Content one: Experimental report related instructions.Real name Chering HelpOriginal works reproduced please indicate the sourceLessons learned: Linux kernel Analysis MOOC courseLinks:http://mooc.study.163.com/course/USTC-

Document properties)We all know that under Windows, if we want to view the properties of a file or directory file, we can view it by right-clicking on the target file and selecting Properties. Also under the Linux file also has its own attributes,

Use the command:Ps-aux | grep httpdA tomcat process with no 8080 ports found.Use command: NETSTAT–APNView all process and port usage. Discover the following list of processes, where the last column is pid/program name8080 ports were found to be

Disable Root LoginAs the default system admin account root is the most vulnerable target. It is absolutely necessary to disable Telnet via SSH.Method:Edit/etc/ssh/sshd_configPermitrootlogin NoAlso, create a personal account for the administrator and

　　The serial port driver is implemented by the Tty_driver architecture. A function in an application is to manipulate the hardware, first passing through a TTY, and then reaching the driver after a level call. This article first describes the entire

I actually operate: Two virtual machines are selected Host-onl, view host VirtualBox host-only Network IP address is 192.168.56.1, then I let linux,windowsxp all let for the URL 192.168.56.2, 192.168.56.3,You can then ping each of the two virtual

Build and use the Linux development environment-Linux system (ubuntu) Installation solution, linuxubuntu1. Optical Drive InstallationThis method is relatively simple to install, but the linux release version is frequently upgraded, it is difficult

Getting started with Linux: how to obtain the process ID (PID) in a script) Question: I want to know the process id of the shell in the running script. How can I get the PID in the shell script. When I execute a shell script, it starts a process

Set environment variables in Linux and environment variables in linux There are two types of Shell sessions: login shell session and non-login shell session. The login shell session prompts the user to enter the user name and password, such as the

Add php and mysql commands to environment variables in CentOS In CentOS, how to add PHP and mysql commands to environment variables and install php and MySQL on CentOS Linux, you need to add the php and mysql commands to the system command. If you