Lists the user names of all logged-in users on the current system, and note that the same user is logged on multiple times, only once.[email protected] ~]# who #显示当前用户登录信息Root Tty1 2016-10-05 15:58Root pts/0 2016-10-05 16:07 (192.168.0.17)[email
Lists the user names of all logged-in users on the current system, note that the same user logs on multiple times, only once.who | cut -d‘ ‘ -f1 | sort -u
Remove the shell that is the user's default shell on the current system.cat /etc/passwd |
Article title: a preliminary exploration of the culture in Dropline-Gnome. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and
1. List the user name of all logged-in users on the current system, note: The same user logged in multiple times, only once.[Email protected] ~]# whoroot pts/0 2016-08-19 17:46 (172.16.168.16) root pts/1 2016-08-19 17:46 (17 2.16.168.16) [[email
1. List the user name of all logged-in users on the current system, note: The same user logged in multiple times, only once.W.H.O. | Cut-d '-f1 | Sort-u2. Remove the information about the user who last logged in to the current system.Last | Head 13.
1. List the user name of all logged-in users on the current system, note: The same user logged in multiple times, only once.650) this.width=650; "Src=" Http://s2.51cto.com/wyfs02/M00/86/36/wKioL1e4OvCTcwpsAAASNvOr0uM010.png-wh_500x0-wm_3 -wmp_4-s_337
1. List the user name of all logged-in users on the current system, note: The same user logged in multiple times, only once.[Email protected] desktop]# whoXu Tty5 2016-08-21 23:20Root tty1 2016-08-21 23:12 (: 0)Root pts/0 2016-08-21 23:13 (:
1. List the user name of all logged-in users on the current system, note: The same user logged in multiple times, only once.[Email protected] desktop]# whoXu Tty5 2016-08-21 23:20Root tty1 2016-08-21 23:12 (: 0)Root pts/0 2016-08-21 23:13 (:
1. List the user name of all logged-in users on the current system, note: The same user logged in multiple times, only once.[Email protected] ~]# Useradd user1[Email protected] ~]# passwd user1Changing password for user user1.[email protected] ~]#
1. List the username of all logged-in users on the current system, and note that the same user logs on more than once, only one display at a time.
~]# who | cut -d' ' -f1 | sort | uniq
2. Lists information about the last user who logged on to the
I. IntroductionSome time ago I saw the iPhone os4.0 Preview Video released by Apple, and the iPhone finally planned to support multiple tasks, especially the presentation of Skype software in the Preview Video.Generally, to be a regular iPhone app
A. Lists the user names of all logged-in users on the current system (only once with the user logged on multiple times). The title does not indicate whether the username is allowed to be sorted, so it can be written as:# who | Cut-d '-f1 |
1. List the user name of all logged-in users on the current system, note: The same user logged in multiple times, only once.[Email protected] desktop]# whoXu Tty5 2016-08-21 23:20Root tty1 2016-08-21 23:12 (: 0)Root pts/0 2016-08-21 23:13 (:
1. List the user name of all logged-on users on the current system, note: The same user logged in multiple times, only one time can be displayed.The commands for viewing system users are:(1) Getent passwdView all user information on all systems(2)
1. What is bonding;The Linux bonding driver binds multiple network interface devices to a single network interface setting for network load balancing and network redundancy. The Linux bonding Driver provides a method for aggregating multiple network
1. List the user name of all logged-in users on the current system, note: The same user logged in multiple times, only once.[email protected] ~]$ who | Cut-d '-f1 | Uniqrootsihua2. Remove the information about the user who last logged in to the
Allow crontab to automatically schedule rows of PHP
To use the crontab auto-dynamic PHP program, you can do this:
Method 11. Add the following in the first line of the PHP program:
#! /Usr/local/PHP/bin/PHP-Q
For example:
Plain textPHP:
#!
Author:North SouthFrom:Linuxsir. orgAbstract:In a Linux operating system, scheduled tasks are usually undertaken by cron. Understanding or understanding cron can help us manage servers more conveniently and save more time. This article also provides
a , the composition and function of computerThe basic structure of modern computers is made by the Hungarian-American scientist von · Neumann was introduced in 1946. So far, all the computers that have entered the utility are press von Neumann
Objective
The Slackware Linux operating system is a powerful platform on the Intel architecture computer. It is designed to be stable, secure, and as a high-end server and a powerful workstation.
The purpose of this book is to guide how you start
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