Sudo Configuration

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 ...

Intermediary trading http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnose Taobao guest cloud host technology Hall at present domestic relatively excellent cloud host supplier has Sheng and Aliyun, compared with the grand cloud use more flexible , really on-demand use, and often have activities, so that users get more benefits, Wang Guangwei Blog station on the use of Grand Ubuntu Cloud host system. Many users at the beginning of the unskilled configuration ubun ...

UFW is a host-side iptables firewall Configuration tool, relatively easy to get started. General http://www.aliyun.com/zixun/aggregation/8284.html "> Desktop applications using UFW has been able to meet the requirements. Installation method sudo apt install UFW Of course, this is a graphical interface (relatively simple), in the new search GUFW to try ... Use Method 1 to enable ...

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 ...)

Hive installation 1. Environment Requirements 1, Java 1.7 or above 2, Hadoop 2.x (preferred), 1.x (not keyword by Hive 2.0.0 onward). 　　2. Installation configuration hive not have Hadoop, hbase or zookeeper master-slave architecture, so only used in the machine needed to install. 1. Extract TAR-ZXVF Apache ...

ubuntu16.04server install dockerCE. Docker is an application that makes it simple and easy to run applications in containers, just like virtual machines, which are only more portable, more resource-friendly, and more dependent on the host operating system. To learn more about the different components of a Docker container, see Docker Ecosystem: An Introduction to Common Components. There are two ways to install Docker on Ubuntu 16.04. One way is to install it on an existing operating system installation. Another way is to use one ...

Audio, video playback sudo apt install kubuntu-restricted-extras system Setup-> multimedia-> http://www.aliyun.com/zixun/aggregation/ 33972.html ">pulseaudio to the top (do not do this, easily lead to sound card exclusive only one program can be audible or a variety of inexplicable amarok problems). O ...

Debugging arm of the board, to be downloaded through TFTP to the board, so you have to configure the TFTP server, really annoying death ... Since the http://www.aliyun.com/zixun/aggregation/13835.html ">ubuntu has been built many times before the TFTP server, but has been unable to remember the name of that profile (memory too bad), So every time Baidu. But every time the results of Baidu are not the same, and access is very large, some process phase ...

KDM is a KDE login management program. Kde,k the abbreviation for the desktop environment (Kool http://www.aliyun.com/zixun/aggregation/16493.html ">desktop Environnement"). A well-known operating system in Linux, Unix and FreeBSD, such as the free graphics working environment, the entire system adopted by the Trolltech company developed the QT Program library (now ...

KDM is a KDE login management program. Setup is located in the KDE control center, KDE needs to use this as the default login manager to direct shutdown, or you can only log off. Install configuration install sudo apt install KDM configured as default login manager sudo dpkg-reconfigure kdm uninstall sudo apt remove KDM settings KDM system Settings-Advanced-Login manager, will require a password. or Kdesu system ...