Linux

1. Create a new directory: Mkdir/usr/java this directory to store and install JDK files 2. Extract the transferred installation-free JDK bin compression pack into the/usr/java file Execute command:./jdk-6u27-linux-x64.bin 3. Environment variable

In Mengning teacher's NetEase Cloud class "Linux kernel Analysis" in the fourth lesson, briefly described the basic knowledge of system call. In this paper, there are several problems in the course that are not discussed in detail. Why do I need

Resources: http://www.cnblogs.com/lidabo/p/4928956.html by Chen Yu with meWhen first compiled,. D does not exist: Invoke implied rule generation. DContains. D Note: The file definition. D is dependent on. cpp. h, because. D is a new file, definitely

Linux installation Configuration C development environment Code::Blocks First, in advance.To say C language and Linux relationship should not be unfamiliar, Linux system kernel is developed in C language, so all Linux system below will have C

(i) Locate file Search command • command format: Locate filename ·Command function: Search in the background database by file name, search fast • #locate命令搜索的后台数据库, not real-time updates, 1 days/More/var/lib/mlocate ·Update command: UpdateDB ·/etc/

Modify native IP address The first way: Setup 1) Select "Network Configuration" 2) Select "Device Configuration" 3) Select "First network card" 4) set up details such as IP address 5) service Network restart (must have) the

In general, whether C, C + + or PAS, the first to compile the source file into an intermediate code file, Under Windows is the. obj file, and under UNIX is. o file, that is, objuct file, this action is called compilation (compile). Device

The Linux run Jar Pack command is as follows: Way One: Java-jar Xxx.jar Features: The current SSH window is locked, you can press CTRL + C interrupt the program to run, or directly close the window, program exit How to keep the window unlocked.

LINUX centos Shutdown and restart command detailed Reprint: https://www.cnblogs.com/itlive/p/4097891.html Linux CentOS reboot command: 1, reboot 2, Shutdown-r now reboot (root user) 3, shutdown-r 10 10 minutes automatic restart (root user) 4, SHUTD

1. Environment variables Linux system under the implementation of the relevant commands, the system will first find the command in this directory, set the environment variable is to tell the system in addition to the directory to find in the

int Pthread_create (pthread_t *thread, const pthread_attr_t *attr, void * (*start_routine) (void *), void *arg); void Pthread_exit (void *retval); 1. Set Thread PropertiesIf the Attr property is set to NULL when the thread is

1. Shutdown Firewall permanently effectiveOpen: Chkconfig iptables onClose: chkconfig iptables off immediate effectOpen: Service iptables startOFF: Service iptables stop viewChkconfig–list iptables 2. Close SELinux permanently validModify the

Redis is a key-value storage system. Like memcached, it supports a relatively greater number of stored value types, including string (string), list (linked list), set (set), Zset (sorted set-ordered set), and hash (hash type). These data types

1. Configure the JDK environment to take effect for all users1) vi/etc/profile2) After opening the file, press I to enter edit mode, append the following, then press ESC to exit edit mode, confirm correct, press: wq! Enter key to confirm the save

1. Delete special users and user groups:Linux provides a variety of different roles of the system account, after the installation of the system, the default installs a lot of unnecessary users and user groups, if you do not need some users or groups,

Linux Learning Fifth session--------------------------------------------------------------------------------------------------------------- ---------------------------------------------------31. Standard input and outputProgram: Instruction +

1, Linux under the QT serial communication and Windows is the only difference is the name of the port number, Windows is COM, and Linux is the path of ttyUSB02, in general, the Linux plug-in USB to the serial cable can be seen in the/dev/directory

1. Software Installation1) Compile and installAfter the root account is logged in, execute the following command in turn:Cd/tmpwget http://www.ohse.de/uwe/releases/lrzsz-0.12.20.tar.gzTar zxvf lrzsz-0.12.20.tar.gz && CD lrzsz-0.12.20./configure &&

There are many software prompts for FTP service, here I take vsftp as an example. and is installed in the CentOS 7 environment.(https://jingyan.baidu.com/article/380abd0a77ae041d90192cf4.html)Server-Side FTPvsftp installation1. # yum Install

/*************************************************************************> file name:  pthread.c> author: zhaoxiaohu> mail: [email protected] > created  time: sat 21 jul 2018 11:40:55 am cst ************************** /#include #include #include /