Linux

As a result of work, you need to configure three IP addresses for a server with only two network ports. The system is linux. Now we will sort out the process as follows. If you leave it for later use, you can also refer to it. IP1: 10.110.97.68

People have already discussed a lot of solutions about access control, but do not think that some solutions are universally applicable! RBAC is not suitable for operating systems with macro kernel protocol stacks (UNIX, Linux, and so on... I may

Reference: Disk File System1. Create a test script: [Oracle @ ocm1 ~] $ Vi touchfile. sh#! /Bin/bash For abc in {1 .. 9} Do Touch/boot/test/$ abc Done "Touchfile. sh" 5L, 66C written 2. Create a test directory and test script [root @ ocm1 oracle] #

Windows XP will no longer have official technical support from Microsoft in April 8. Although you can continue to use Windows XP, most of the risks will be used, and hackers may intrude into Windows XP. It seems that Linux is also a good

Oracle Java 8 (stable version) has recently been released. This version brings many changes and new features. Among them, the "Lambda project" is supported by functional programs, some security updates, bug fixes, and some interface improvements are

I bought an iPhone 5 With iOS 7 installed a few months ago. When I try to connect my iPhone or iPad to a Linux computer (Ubuntu and Linux Mint), it can be identified and will prompt me to "trust this computer "? Then I silently read "I will" and

Bash automatically customizes Linux's own CentOS system, directly 1. Create a directory on the host machine,/mnt/boot/mnt/sysroot, and format the disk to mount it. 1. corresponding functions: Mkdevice (){ Dd if =/dev/zero of = $1 bs = 512 count = 1

OpenTTD (Open Transport Tycoon Deluxe) is a clone version of Transport Tycoon, a management game that runs on Linux and UNIX systems. This is an old game. The graphic display is not very good and interesting. The latest available version is OpenTTD 1

Recently, my colleagues encountered a problem where they could not establish a connection with MySQL during execution using a python-developed tool. The most direct phenomenon was full of TIME_WAIT. Finally, the problem was solved by adjusting the

#! /Bin/bash# Author: haiy# Email: haiyangfu512@gmail.com# Fri Apr 25 13:04:48 CST 2014 # GNU licence. # monitor and keep the program runningDEBUG = falsefunction restart_program () {# send the command to be executed to screen if [$ #-lt 3]; then

Switch from user to root user In the ununtu system, the default user is user. For security reasons, the root user of Ubuntu does not have a fixed password by default. The password is randomly generated and dynamically changed. However, sometimes

The kernel component of KVM is supported in mainline Linux, as of 2.6.20.1. Check whether the system is virtualized.# Egrep 'vmx | svm '/proc/cpuinfo2. Install KVM and its componentsYum-y install qemu-kvm libvirt python-stronginst bridge-utils

When I first installed the ubuntu system, I didn't know much about the structure of the file system, so the partition for home was very small during partitioning, so I couldn't install the software later, saying that the disk was full. So I want to

Thread (1) This article describes how to use multiple control threads to execute multiple tasks in a single process environment. All threads in a process can access the components of the process (such as file descriptor and memory ). The thread

How to install and configure JDK1.6 in LinuxI. InstallationCreate the installation directory, create the installation path under/usr/java, and obtain the file to this path:# Mkdir/usr/java 1. jdk-6u11-linux-i586.bin this is a self-extracting

Why do we do this? The packages all know how to directly perform the following operations: Leekwen @ leekwen :~ # Grub-mkpasswd-pbkdf2Enter password: In this way, after the restart, when you press e for the startup Item, you will be asked to

1. view the NIC status: ifconfig Check whether the network cable is plugged in: ethtool em1 (em1 defaults to intranet). Check the line of Speed. If it is Unknown, the network cable is not plugged in. If it is 1000 Mb/s, the network cable is plugged

Linux-2.6 file opening process involves data structure analysis: Link: http://blog.csdn.net/ordeder/article/details/24420637User level The file is opened in the following structure: Fd = open (path, flag, mode)Kernel layer After the open function

Directly program: Setjmp and longjmp are nested function calls, and goto statements cannot span functions, So goto is not selected. #include setjmp(jmp_buf env); longjmp(jmp_buf env, val); Compile the program without

Pipelines Address: http://blog.csdn.net/caroline_wendy/article/details/24249529 Pipeline operator "|", You can setStandard output (stdout)To another commandStandard input (stdin)Medium. Filter)Is to combine multiple commands to form a pipeline.