Linux

There are 5 types of processes on Linux: 1. Running (running or waiting in the running queue) 2. Interrupts (dormant, blocked, waiting for a condition to form or receive to signal) 3. Non-interruptible (the received signal does not wake up and is

Maven Pack:Project Right-click Run As-->maven build...--> out the following interface, note the red part of the fill, goals fill in the package for packaging, the following skip tests indicates that the package does not perform unit testing.Click

1. Run VSFTPD service First:#service vsftpd Start2. Open Port # 21st via Iptables(1) Check the iptables settings first:#iptables-NLChain INPUT (Policy ACCEPT)Target Prot opt source destinationACCEPT All – 0.0.0.0/0 0.0.0.0/0 State

In Linux sometimes you need to get the IP of the login, there are two methods, first use who am I get the login IP, and then intercept the string:1. awk interception, sed replacementWho Am I | awk ' {print $} ' | Sed ' s/(//g ' | sed ' s/)//g '2.

Premise: Set as a DHCP server, the IP address setting of the machine will be in the same network segment of the assigned address range1. See if the DHCP server is installed# Rpm-qa | Grepdhcp2. Install if not installed# yum Install DHCP3, installed

The Linux configuration IP URL can be configured using Neat,netconfig,ifconfig and so on, where the first two have a user interface, the third command is just a temporary IP setting, and the configuration will be lost after the machine

Version information: Procps version 3.2.8 Basic use: Vmstat [-A] [-n] [-T] [-s unit] [delay [count]] [-A]: Show active and inactive memory [-N]: Displays the field name only once at the beginning, and for the case of multiple

Let's take a look at the execution of the write file function:ret = Write (FD, buf, Len);Write applies to various file systems, which first executes Sys_write (), and it is this sys_write () that makes the actual file system type Discriminant and

Talk about module (modules), some like "hot-swappable parts" meaning.The modules mentioned in the discussion of Linux generally refer to modules that can be assembled into the kernel.The concept of modules is widely used in the field of hardware and

Xorgxorg-server Installing Xorg-server Pacman-s Xorg-server Optional: Xorg-server-utils Pacman-s xorg-server-utils Xorg-server-utils Meta-package pulls in the very useful packages for certain configuration tasks,

The so-called Port security refers to the software program that can open port , not the port itself. Services and port corresponding to the document /etc/services, commonly used to observe the port of the program has netstat and the Nmap . Netstat:

This article mainly introduces several commonly used text view commands and text processing commands.First introduce the text view commandCat: Used to connect files and displayNote: When there is only one file, it is used to view the contents of the

LS directory fileUname real-World current system InformationClear cleanupHistory recordCTRL + R Search HistoryPress ESC when it is finished. The last parameter is paddedSwitch root user Su-Run commands with administrator privileges sudoReal-World

Mount command1 Viewing partitionsls/dev/sda*or fdisk-l.2 mount Operationmount/dev/sda1/mnt/#将sda1挂载到 the/mnt directory #3 Viewing Mount conditionsMount or ls/mnt/4 un-mountUmount/dev/sda15 can be used if SDA1 is in use and cannot be uninstalledDuser-

Last night friends let me help him to build a simple environment, his company let him do software test temperature, his own is embedded, in the company as a software engineer, fresh graduates. Or maybe they're not familiar with the Linux system,

You can use neat, netconfig, and ifconfig to configure IP addresses in linux. The first two of them have a user interface, and the third command only sets the IP address temporarily. After the machine is restarted, the configuration will be

Familiar with the Copy command, the next command is the mv command. When you want to move a file from one location to another and do not want to copy it, the mv command is the first choice to complete this task. Early knowledge of mv commands The

The free command is used to display the current system's memory idle and usage, including physical memory, swap partition memory, kernel buffer memory and high-speed cache. The free parameter reports an error: -B -- Display memory usage in

1. Mailq Function Description: displays the list of emails to be sent.   Syntax: mailq [-q]   Note: mailq can list the emails to be sent, including the email ID, email size, email retention time, sender, recipient, and the reason why the emails

1.ManProvide help explanations for familiar or unfamiliar commands For example: man ls, you can view the ls-related usage. Note: Press q or ctrl + c to exit. in linux, you can use ctrl + c to terminate the current program. 2.LsView the properties of