Linux

Linux forgot root password, re-get password methodFirst step: Enter single user modeAfter grub enters the startup page, type "E", move the cursor to the "kernel ..." line, enter "E", and then add "space" to the edit interface rhgb quiet, then

#运行级别就是操作系统运行的功能级别.By default, the system we installed is level 3, viewing the current runlevel using command runlevel. The 1th column is the last running state, the 2nd column is current, and N is none.[[Email protected]~]# runlevelN 3There are 7

1. With the tar command, you can package a whole bunch of files and directories into a single file, which is useful for backing up files or combining several files into one file for easy network transmission.2. Tar command parameters-A or--catenate:

TFTP (Trivial file Transfer Protocol, simple Document Transfer Protocol), is a UDP-based protocol implementationprotocol for simple File transfer between client and server, and is suitable for applications where there is little overhead and

1. Installing the SystemVirtual machine memory typically 1 hours.The resolution can be adjusted.NIC has two settings simple and practical bridging, once and for all NATImportant partition: The actual situation according to customer demand, the

1. Permissions Concept[Email protected]:/home# ll Total dosage20# File Permissions Link Number file owner user group capacity size B Create (Modify) time file namedrwxr-xr-x5Root root4096November - +: +./drwxr-xr-x -Root root4096November - +: -.. /

Locale-a viewing the character set supported by the host*************Usermod-l VV Frozen Account vvUsermod-u VV cancels the freeze on account vvusermod-d/zq-m xk change user xk home directory to/zq**************chmod 777 test.shUseradd ZQUserdel

A CentOS operating system was previously installed to test the Nginx load Balancer, which later was useless. Once a colleague upgraded the VM and recently tried to test the keepalived on it, the service was not connected.Start looking for reasons,

The Linux kernel source code directory is as follows:/arch: The directory includes all the core code related to the architecture. Each of the subdirectories below represents a Linux-supported architecture, such as i386, a subdirectory of the Intel

I. Types of devices supported by Linux(1) Character device: per byte access(2) block device: Per block access (requires file system)(3) Network equipment: Support network communicationNote: Character devices and block devices in the/dev/directory

1. Download the stable version first nginx1.10.2 use the wget command to download wget http://nginx.org/download/nginx-1.10.2.tar.gz 2. Then unzip TAR-ZXVF nginx-1.10.2.tar.gz 3. Installing dependent libraries

Automatically handles dependency relationships and installs all dependent software packages at once, without the hassle of downloading and installing them over and over again.What is Yum?Examples of Yum tools:Because yum specifies the source of the

Reprinted from http://gavinshaw.blog.51cto.com/385947/277489Although it is the SVN series, but want to really understand a predecessor spent many years to do a project, not a short period of time can be done! There is a look at other people's

VMware Tools is an enhanced tool that comes with VMware virtual machines, equivalent to the enhancements in VirtualBoxVMware delivers enhanced virtual graphics and hard disk performanceAnd a driver that synchronizes the virtual machine with the host

First, download mavenLatest address in: http://maven.apache.org/download.cgiI downloaded: apache-maven-3.3.9-bin.tar.gz, is a compiled packageAfter extracting the files, copy to the "/usr/local" directory:[Email protected] package]# tar zxvf

NFS Deployment and optimization (directory file sharing service, so that the server can access the remote server's files and access to the local files as convenient, and then in the next operation will be in real-time synchronization of the changes

The centos6.x system is always in the python2.6.x (currently the latest version is python-2.6.6), sometimes not meet the needs of some application production environment and development environment, directly from the official Yum Warehouse and Epel

Download Xshell, Address http://www.netsarang.com/products/xsh_overview.html, double-click File installation, select "Personal/School (free)" When installingOpen Xshell, click on the "New button" in the upper left corner to create a new sessionIn

Shell notes, old boy shell notes Shell: The shell of the operating system, which is the command interpreter. Is the interface between the user and the Linux kernel. It is responsible for interacting with users, analyzing and Executing User input

When ESXI5.5 is installed on the Dell R720 server, the solution is LSI_MR3.V00. r720esxi5.5 Close to the end of the year, the company had various activities, various overtime work, and there was not much time to write a blog. Now I took some time to