how to change username in ubuntu 12 04

This tutorial is only suitable for Ubuntu Server to deploy the project to the line, it is recommended to use the same Ubuntu version, so as not to encounter some different versions of the problem. This tutorial is suitable for beginners to deploy

Although the oracle 11g Database provides the linux x86 version, only Red Hat, Novell and Solaris versions are supported. debian and ubuntu are not supported, therefore, it is relatively troublesome to install ubuntu. Please follow the steps below

The Oracle 11g database provides a Linux x86 version, but the supported Linux versions are only red Hat,novell and Solaris, Debian and Ubuntu are not supported, so installing under Ubuntu is relatively cumbersome, Please follow the method

Note: The Ubuntu12.04, which was first installed, was later reinstalled by 14.04. The basic use of the installation of 12.04, and later installed 14.04 added several. The installation process is applicable to both Ubuntu12.04 and 14.04.1. Choose the

1. Start by installing the virtual machine first01. First Open the VMware virtual machine.02. Then, go to the home page and click on the "Create a New Virtual machine" column and a form will pop up.03. Then, select "Typical" (classic), click "Next"-"

First, confirm that the local machine does not have any software package for radius installed, to confirm the clean installation, you can use the dpkg command to view dpkg -l | grep radius If no result is returned, proceed to the next step. If the

Ubuntu11.04 configuration summary: 1. Create and install a USB flash drive on XP: A download unetbootin-windows-563.exe, ubuntu-11.04-desktop-i386.iso. B at least 1 GB size USB flash drive, insert to PC, and quickly format it. C double run

SUDOThe focus of sudo execution is: "The ability to use sudo must look at the/etc/sudoers setpoint, while the sudo can be used to enter the user's own password to execute the subsequent instruction string" because the use of/etc/sudoers-related, we

Scheduled tasks in Linux Scheduled tasks in Linux are divided into two types: 1. One-time execution: Common commands: at and batch, depending on the atd service 2. Periodic execution: Common commands: crontab, depending on the crond Service One-time

Rails comes with a zero-configuration sqlite by default. This feature is OK for development, but cannot be written concurrently. It is not suitable for production. Let's start from scratch.   P.S.: deploy postgresql Based on ubuntu server   =========