Linux

# free-m# fdisk-lparted partition tool greater than 2TParted/dev/sdb Mkpart primary ext3 0 2TCharacter abilityLoyalty and dedication automatically responsible for focus on efficiency results-oriented good communication and cooperation positive

Linux commands: Cat (Common approach)Description:   Cat is a text file viewing and linking tool. To view the contents of a file, it is simple to use cat, that is, the cat directly behind the file name, such as Cat Linuxyw.txt. The purpose of the cat

Local variables are stored in the stack, the stack in memory is characterized by top-down growth, that is, from the high address to the low address, when the variable as a function parameter is passed as a value, the function parameters as the

Linux general permissions generally do not meet the shared needs, such as NFS and samba.Especially samba is the most obvious.With an ACL, mom doesn't have to worry about file permissions anymore.ACL permissions are set to two commands: Setfacl set

Shutdown:Shutdown-h now--> immediately shut down (production commonly used)Shutdown-h +1-->1 minutes after the shutdownInit 0--> Switching the operating sector to 0Halt--> immediately stop the system and require manual power -down (common production)

Soft links and hard links in LinuxWhat is a linked file?1, Hard link: Multiple files point to the same inode with different paths to each other as hard links. 2, Soft Link: (Memory size is a string unit)the Inode has no data, just stores a path

1. Whether the host is surviving script in LAN network segmentping.sh#!/bin/bash#ping and test hosts of LANs is alive!For i in {1..254}Dohost=10.57.36. $iPING-C3 $host >&/dev/nullIf [$ = 0];Thenecho "$host is alive!" >>/tmp/hosts.logElseecho "$host

Linux system Architecture1.1 Ha cluster Configuration-1Iptables-fGetenforceIptables-nvlHostnameVim/etc/hosts add192.168.1.33 Mastar192.168.1.199 Slacewget www.lishiming.net/data/attachment/forum/epel-release-6-8_32.noarch.rpmRPM-IVH epel-release-6-8_

Linux Command-dd {copy and replace}, linux-dd 1. Command explanation: Dd: Use a block of the specified size to copy an object and perform the specified conversion at the same time. Note: If the following column ends with a specified number, multiply

Install Python psutil module on 64-bit CentOS7 Record the process of installing Python psutil module on 64-bit CentOS7. 1. log on to CentOS as root and execute the following commands in sequence: Wget https://pypi.python.org/packages/source/p/psutil/

Modify the startup and default startup items for Windows and Ubuntu Systems After Windows and Ubuntu are installed, the system is started to become Ubuntu by default. This is nothing for users who use Ubuntu as the system, but for users who often

How to correctly receive GitHub emailsBackground The development process of our factory is usually based on GitHub. Review code on GitHub is also an important part of my daily work. For me, the most annoying part in the code review process is that I

Linux UGO and ACL permission management Discretionary Access Control (DAC) indicates that the owner of an object (such as a program, file, or process) can modify or grant the corresponding permissions to the object. In Linux, The UGO (User, Group,

Use Eclipse C/C ++ to build an integrated development environment for ARM-Linux I think it is not convenient to write code in Linux, so I plan to build a development environment on windows. In fact, I have also set up a development environment on

Compile and install GCC 4.9.2 in CentOS 6.5 Environment: CentOS-6.5, gcc-4.4.7 system must have installed a compiler, because gcc also needs to be compiled, it is recommended to install with root First, three additional libraries are required for

Solution to kernel driver not installed in VirtualBox in Linux After the rhel-server-6.6-i386 is installed today, VirtualBox is successfully installed again, but when creating a virtual machine in VirtualBox again, "cannot open a new task for xx

Use Xamarin to develop Android applications in Visual Studio The environment used in this article is Windows 8 Visual Studio 2012.2 1. Download Xamarin Http://xamarin.com/download2. Install Xamarin Run the EXE file after download Then go through

CentOS6.5 source code compilation and installation GCC5.2.0 The GNU Compiler Suite (GNU Compiler Collection) includes front ends of C, C ++, Objective-C, Fortran, Java, Ada, And Go languages, it also includes libraries of these languages (such as

IO-Polling code analysis In the previous article "IO-Polling implementation analysis and performance evaluation", I/O-Polling differs from interrupt principles, the performance test of NVMe SSD in two modes is used to compare the two modes. This

Tomcat parameter settings to solve the memory overflow problem Tomcat default parameters are not suitable for production environments, so you need to modify some parameters 1. Modify the memory parameters at startup and specify the JVM Time Zone