Sudo File In Linux

If a computer needs to be managed by several people at the same time, it's best not to use the root account. Because if everyone uses the same permissions, it's hard to determine who is and where and what. sudo commands are used to solve this problem. The sudo command allows users defined in the/etc/sudoers configuration file to have temporary permissions to run commands that they cannot run under normal file access permissions. These commands can be either root or other users defined in the/etc/sudoers configuration file ...

In Linux (and normal Unix), the name of the superuser is called Root. Windows corresponding to the root account is the Administrator. Super users can do anything, so the superuser becomes dangerous in their daily work. You can enter a wrong command to destroy the entire system. Theoretically, the user you run should have just the right to the task at hand. In some cases, it requires root, but most of the events are normal users. Ubunt ...

What we want to does in this short tutorial, I'll describe the required tournaments for setting up a single-node Hadoop using the Hadoop distributed File System (HDFS) on Ubuntu Linux. Are lo ...

The Linux command line attracts most Linux enthusiasts. A normal Linux user typically has about 50-60 commands to handle daily tasks. Linux commands and their transformations are the most valuable treasures for Linux users, Shell scripting programmers, and administrators.　　Few Linux commands are known, but they are handy and useful, whether you're a novice or an advanced user. Little people know about Linux commands the purpose of this article is to introduce some of the less-known Linux commands that are sure to efficiently ...

A Linux file Synchronization tool unison,http://www.aliyun.com/zixun/aggregation/32995.html "> in Windows often use file synchronization function of netizens, 　　Now Linux can also implement this function. A friend who has used Windows must know the Briefcase, which is the component used to help implement file synchronization. 　　Does Linux have any related tools? Of course. It is uni ...

Linux PDF editing software attracts attention when users are looking for a suitable PDF editor. 　　It is a free, open source http://www.aliyun.com/zixun/aggregation/16864.html ">pdf document processor, and can be used in both the graphical user interface and the command line interface." Linux PDF Editor is a script-ready software that can run almost every script. For users, pdfe ...

This page discusses how to rebuild the http://www.aliyun.com/zixun/aggregation/13835.html ">ubuntu Linux kernel pack." This is the most straightforward way to compile your own Ubuntu kernel, but it's also a fairly heavyweight approach. If you plan to do some kernel development or debugging, you may be happier to follow this guide. It's more complicated but also more flexible. Installation we will build the "Linux" directory in your user directory ...

First, the hardware environment Hadoop build system environment: A Linux ubuntu-13.04-desktop-i386 system, both do namenode, and do datanode. (Ubuntu system built on the hardware virtual machine) Hadoop installation target version: Hadoop1.2.1 JDK installation version: jdk-7u40-linux-i586 Pig installation version: pig-0.11.1 Hardware virtual machine Erection Environment: IBM Tower ...

Not long ago I provided 12 suggestions to adjust Ubuntu. However, it has been a while ago, and now we have made another 10 suggestions that will make your Ubuntu your home away from home. These 10 suggestions are easy to implement, so let's get started! 1. Install TLP We touched on TLP not long ago, a software that optimizes power settings and allows you to enjoy longer battery life. Before we go into the TLP in-depth, and we also mentioned in the list of this software is not bad. want...

Note: The source code of the interface module is given here, and the Libfetion library (32 bits) is put in the form of a static library. 1: Establish the compilation environment: in the terminal execute the following command: sudo apt install automake sudo apt install libc-dev sudo apt install g++ sudo apt install Libcurl4-gnutls-dev Sud ...