Linux

For the system, we can have a lot of ways to back up (restore) the system or file, the reason is to do the backup, is to be in the system or file damage, the timely recovery, reduce the loss to a minimum. Of course, the importance of backup is

Fdisk operation of the hard disk and partition, enter FDISK on the hard drive operation phaseWe can partition the hard drive, if you understand the fdisk-l; through fdisk-l, we can find out the number of drives and the name of the device, such as

Linux OPS get started to advanced full range PDF (GO) [Date: 2016-08-01] Source: Linux Community Linux [Font: Big Small] Learning Techniques for LinuxBeginners can install their own virtual machine, and then the

224.0.0.0 to 239.255.255.255 these are called multicast addresses.Let me give you a less rigorous example.There are several hosts that have joined the 224.1.1.1 group.192.168.1.1---192.168.1.2---192.168.1.3---such as these three IP addresses joined

Linux and Cloud computing--the second phase of Linux Server SetupThe Tenth chapter:Samba server Set up-SMB shared directory and multiuser SMB mount share directory through SMB in the Server Configure the SMB service onYour SMB server must be a

There are two ways to access disk devices (bare partitions): 1. Character access (bare device); 2. Block mode accessSolaris platform : Under the Solaris platform, the system provides both character and block access to disk devices. Each disk has two

I. Linux file attributes and permissions1. File/Directory Properties view(1) File Properties view[[email protected] ~]# ls-l file-Rw-r--r--. 1 root root 0 November 23:55 fileType file permissions Connection number file owner file All group size last

Guide Many engineers know that if you choose to run a Linux guest VM in Hyper-V, for the best experience, you must choose Linux Integration Services for the Linux distribution and usage scenarios you are using (Lis,linux integration service

1. Instructions for displaying dates: date 2. Instructions for displaying the calendar: Cal 3. Simple and easy to use calculator: BC Why would 10/100 become 0? This is because BC presets only output integers, and if you want to output a decimal

First, the common command quick-check Ls Cd Pwd Cat More Less Tail Head Cp Scp Mv Mkdir RmDir Touch Rm Ps Kill Top

System environment:Centos6.5-web：Https://bitnami.com/stack/redmine/installer#linuxBitnami-redmine-3.3.0-0-linux-x64-installer.runThe installation process is as follows: ./bitnami-redmine-3.3.0-0-linux-x64-installer.run #执行安装包 Language

Next, continue to describe some of the Linux server Security configuration.#6, strong password policy. When we use the Useradd, Usermod command to create or maintain user accounts, ensure that strong password policies are always applied. For example,

Transferred from: http://www.wowotech.net/linux_kenrel/per-cpu.htmlFirst, Source: Why the introduction of PER-CPU variables?1. Performance issues with Lock busPrior to ARMV6 on the arm platform, the SWP and SWPB directives were used to support

the Guide to MAC (media access control) is a computer that defines and identifies the location of network devices. In the embedded Linux learning inevitably also encounter Mac, this article mainly describes how to read the embedded Linux Device

0. Most commonly used Pstree:[Email protected] temp]# Pstree-a|grep Multe|   | '-multepoolser|       | '-multepoolser|           | ' -2*[{multepoolser}]1. > TopAll system processes can be displayedPress U, and then enter the appropriate execution

Use of man manual for basic Linux knowledge In Linux, man is frequently used. Using it flexibly allows you to quickly learn how to use commands that you are not familiar. Next we will introduce man Environment CentOS6.8 Man-format and display the on-

Partproble cannot update partition information under RHEL 6, partproblerel In RHEL5.x, after adding disk partitions and other operations, you have been using the partproble command to re-read partition table information from the kernel, so that you

Inter-process communication (3)-semaphores and processes communication semaphores I will use several blogs to summarize several methods of communication between processes in Linux. I will write the summary at the beginning in each blog of this

Install Firefox 16.04 beta in Ubuntu 48.0 Mozilla Firefox test version 48.0 was recently released by the Mozilla team. A notable feature is the download of malware, the improvement of WebRTC technology, the new design of the result panel in the URL

Ansible automated O & M tool learning Manual 1. Introduction to ansibleCommon automated O & M tools Puppet-developed based on Ruby and adopts a C/S architecture. It is highly scalable and SSL-based, and remote command execution is relatively