Solve the problem of having boxes in the Ubuntu console

Why are all the boxes in the console? When sudo apt install zhcon is used, enter Zhcon--utf8 under the console. The specific usage sees man Zhcon. Do not execute under the virtual terminal of x environment, it is unnecessary to crash easily.

Use of sudo command in Ubuntu system

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 ...

/var/cache/apt/archives/lock-open (one Resource temporarily unavailable)

When you perform apt the following error is resolved: &http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; cannot get lock/var/cache/apt /archives/lock-open (one Resource temporarily unavailable) you must make the new/software update/Add delete etc with soft ...

Ubuntu System change ownership of files

You can use the Chown command to change the ownership of the file. The first object is that the desired username and group ownership for the file is separated by a colon (:), followed by the filename. In the following example, we changed the ownership of the file named Text.txt, from the root and root groups to the TestUser user and the Users group: [Root@bigboy tmp]# ll test.txt-rw-r--r--1 Root root 0 modified 17 22:1 ...

How the Ubuntu system lets the group know which group the user belongs to

Parameter with user name as Groups command: [Root@bigboy root]# groups Paul paul&http://www.aliyun.com/zixun/aggregation/37954.html > nbsp: Parents[root@bigboy root]#

How the Ubuntu system deletes users

The Userdel command can be used to remove user records from the directory passwd and the directory etc used by the logon process. This command has only one parameter, which is the username you want to delete. The command also has an option-R to remove the user from all content in the filesystem directory. Be careful with this option. The data in the user directory may be very important even if the user has left your company. [Root@bigboy tmp]# Userdel Paul[root@bi ...

Set WEP key in Debian/ubuntu

In the http://www.aliyun.com/zixun/aggregation/33836.html ">debian/ubuntu system, it is necessary to/etc/network/ Interfaces file to add a valid Wireless-key parameter, and wireless-essid together # # File:/etc/network/interfaces## the prima ...

How the Ubuntu system changes user passwords

You need to create a password for the first account. This can be done with the passwd command. The system prompts you to enter your old password once, and enter your new password two times. Change user Paul's password with root [root@bigboy root]# passwd paulchanging password for users Paul. New Password:retype new Password:passwd:all authe ...

How Ubuntu Systems Add users

Super users are named Root, and in Linux Superuser can access all system resources and files without any restrictions. A superuser has a user ID of 0, and all Linux applications treat it as a user with the highest privileges. You need to log in as root to add a new user to your Linux server. Note: When you install Http://www.aliyun.com/zixun/aggregation/13835.html "...

Evince an Ubuntu and GNOME default document reading tool

Evince is the http://www.aliyun.com/zixun/aggregation/13835.html ">ubuntu and Gnome default document reading tool, and its design is extremely simplified. Supports pdf--using Poppler backend, postscript--using Libspectre backend, multi-page TIFF, DVI, djvu--use Djvulibre backend. Extra format Support ...

How to remotely control the XFCE desktop under Windows system

The default GNOME desktop for Ubuntu can open Remote Desktop directly in the system setup and then access it using Windows Vncviewer. I didn't find the option at the Xfce, but the software x11vnc seemed to me to exist for the same function. The installation configuration process is described below. We need to do two things, install X11vnc server on the Xfce client and turn on the service, and use vncviewer access in the console. Install the X11VNC service (on the XFCE client)

Set up an Internet connection under Ubuntu LTS 6.06 or later

This guide guides you through setting up your Internet connection in http://www.aliyun.com/zixun/aggregation/13835.html ">ubuntu LTS 6.06 (Dapper Drake) or later." Most of the content (not necessarily all) of this guide applies to Ubuntu7.10 and 8.10. When your Ubuntu is installed and running, the first thing you might want to do is ...

Ubuntu ADSL (PPPOE) dialing method

Ubuntu Linux is supported by an ADSL Dial-Up Networking (pppoehttp://www.aliyun.com/zixun/aggregation/3280.html > Modem), but it is not as convenient as Windows allocated. In fact, Ubuntu under the ADSL Internet is not very difficult, currently in China ADSL home users mostly, here is an introduction to Ubuntu under the ADSL (PPPOE) Dial-up method. Configure ADSL U ...

Ubuntu Default browser Firefox installation and setup

Firefox is a widely recommended web browser, which is the default browser for http://www.aliyun.com/zixun/aggregation/13835.html ">ubuntu." As a good browser, Firefox is not only more secure than some popular browsers, but it can also be personalized with powerful customization capabilities. A simple example is that it can change the theme, that is, you can choose a browser that fits your environment. And...

Ubuntu Systems Networking Guide

LAN if the computer is connected to http://www.aliyun.com/zixun/aggregation/33934.html ">modern,modern autodial, that only needs (assuming your first NIC name is eth0) sudo Ifconfig eth0 up #激活网卡 sudo dhclient eth0 #自动分配地址 simplest, what interfaces and ...

Opera browser installed and used in Ubuntu/debian

Currently http://www.aliyun.com/zixun/aggregation/10963.html ">opera provides a. deb file for Ubuntu. Debian's. deb files should work as well. Opera offers two basic types of installation: using static libraries and shared libraries. The difference is how Opera is linked to the Qt library. In the shared library version, Opera uses Qt on your machine, and static ...

Ubuntu DNS Resolution

Resource records are DNS database records that are used to reply to DNS client requests, each http://www.aliyun.com/zixun/aggregation/33842.html "> The DNS server contains all the resource records for the DNS namespace that it manages. A resource record contains information about a specific host, such as the IP address, the type of service provided, and so on. The following detailed explanation in the Ubuntu system DNS commonly used command operation: DNS resolution ROOT@UB ...

Ubuntu Use Agent Service

Proxy server is an important security feature that works primarily in the http://www.aliyun.com/zixun/aggregation/9214.html "> Open Systems Interconnection (OSI) model's dialog layer, To play a role as a firewall. Proxy servers are mostly used to connect to the Internet and intranet (local area networks). Temporary agent terminal below export http_proxy= ...

Basics of viewing network card information in Ubuntu

In Ubuntu, the usual wired nic is eth0,http://www.aliyun.com/zixun/aggregation/32544.html "> wireless network card is Wlan0, Subsequent additions and so on (some wireless network card models may be named eth1, not wlan0). Ifconfig Introduction Ifconfig is a tool for viewing, configuring, enabling, or disabling network interfaces, a tool that is most commonly used (that is, people who like to move orders ...).

Use VPN Virtual private network

A virtual private network (VPN) is defined as a temporary, secure connection through a public network (usually the Internet), a secure, stable tunnel through a chaotic public network. This tunnel can be used to encrypt data several times to achieve the purpose of safe use of the Internet. The virtual private network is an extension of the intranet of the enterprise. A virtual private network can help remote users, corporate affiliates, business partners, and suppliers establish a trusted and secure connection with the company's intranet and secure data transmission. Virtual private network can be used for the growing mobile users of the global Internet access to the real ...

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