Sudo File

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 ...

For personal use ThinkPad X61 (7673IFC), http://www.aliyun.com/zixun/aggregation/12560.html ">1024x768 screen, so can not add too much display content, only configured- > Date/Time-weather (day)-system (version number/online time/battery charge/temperature/cpu&ram information ...) -file System (screen small, left a root disk space information ...)

Many cameras can be installed on the use, if not used, you can use the Easycam to install the camera driver. But if this still doesn't http://www.aliyun.com/zixun/aggregation/7432.html "> solve the problem, you may need to install the driver manually." There are several links at the end of this page to help. The test camera has a handy applet called Camorama to view, modify, and save images captured by the camera. ...

When you want to compile a program from the source code, but fail because the header file is missing, AUTO-APT can search which package can provide the required header file. Install sudo apt install auto-aptsudo auto-apt updatesudo auto-apt updatedb && sudo auto-apt update-local usage search header files: Auto-apt search ...

From http://www.aliyun.com/zixun/aggregation/11307.html "> official website (http://vu1tur.eu.org/tools/) Download the software to move the downloaded Perl script files to the appropriate location, for example:/usr/local/bin/sudo mv dmg2iso.pl/usr/local/bin/software using dmg2iso.pl ...

Deb is the http://www.aliyun.com/zixun/aggregation/33836.html ">debian package format file name extension (equivalent to redhat rpm), like the name Debian, Deb is also named for Debra Murdock, who is the wife of Debian founder Ian Murdock. The Debian package is a Unixar standard archive that will package file information as well as package content through ...

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...

Users who move from windows to Ubuntu often find themselves in a frequently garbled problem with windows in creating/downloading/saving files (Kubuntu more likely to have problems). and use the default player to open the previous music files (MP3, etc.), the chance of garbled is close to 100%. This problem occurs because the file or file tag encoding is not the default UTF8 of the system, and the Windows system defaults to GBK. As long as the file code to do the conversion to solve the problem of garbled. Graphic world ...

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 ...