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Solve sudo: sorry, you must have a tty to run sudo a few days ago encountered a problem, calling another shell in one terminal is always unable to execute, and then caught the error message sudo: sorry, you must have a tty to run sudo. Later, I learned on the Internet that the solution is as follows: 1. edit/etc/sudoers 1) Defaults requiretty and change it to # Defaults requiretty, indicating that the termi
You can access the vro through the terminal console, tty line, vty line, SNMP-based network management, and rmon. The terminal console simulates the terminal into the vro and configures the vro.Router # configure terminal (entering Configuration Mode)Router # Line con 0 (enter the console configuration)In line con configuration mode, you can set the timeout time for idle time to exit the console, such as timeout and password.
---------------------------------------- This article is the original site, welcome to reprint! Reprinted please indicate the source: http://ericxiao.cublog.cn/http://blog.chinaunix.net/uid-20543183-id-1930820.html ------------------------------------------ 1: The forward tty name is derived from the abbreviation of byte by telex. Linux represents various terminals. Terminals usually correspond to hardware. For example, it corresponds to the keyboard
The Linux OS device drivers have a fairly classical abstraction and layered thinking. Consistent with the ideas in the world of communication.One, in the Linux OS, a device driver file is an abstraction of an actual device, whether the device is a computer peripheral, or a segment of virtual memory read-write device. In Linux, opening a device driver file means that the device is turned on.This is also true in TTY devices (in understanding the line pr
Article title: fixed TTY number and multi-screen configuration of WYSE network terminal. 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 open source. The WYSE network terminal supports the TCP/IP protocol and supports multi-host display on 10 screens per host. Configure the multi-screen mode. you only need to go to the netw
LinuxMint converts the tty prompt information into an English Open terminal 1gedit ~ Bashrc fill in 1if ['tty | greptty ']; then2exportLC_ALL quot; en_USUTF-8 quot; 3 exportLANGUAGE quot; en_USUTF-8 quot; 4 exportL Linux Mint: change the tty prompt information to an English Open Terminal 1 gedit ~ /. Bashrc fill in 1if ['
After xorg is started, tty crashes-general Linux technology-Linux technology and application information. The following is a detailed description. NVidia Corporation G86 [GeForce 8500 GT] (rev a1) (prog-if 00 [VGA controller]) Archlinux Kernel 2.6.34-1 Xorg 1.8.1.902 (1.8.2 rc 2 ), The video card driver is installed. Xf86-video-vesa xf86-video-nv xf86-video-fbdev (this is installed only when you see a line of EE headers in the xorg log file)
About linux tty command learning tty command is used to print the terminal name connected to the standard input. If/dev/console is displayed, this terminal is a console terminal; if/dev/pts/n is displayed, this terminal is a virtual terminal (terminal remotely connected to the linux server ). Check that the return code for tty command execution is 0 and that the
Analysis on tty, pty, and pts First, let's start with the concept. The so-called tty is the abbreviation of TeletypeWriter. Its Chinese translation is a telex typewriter. Its main function is to print and read information, later, it was replaced by a keyboard and a display. However, tty's common understanding is terminal. What is a terminal? It is an electronic or electromechanical hardware device that ca
Vro is a commonly used network device. This article describes how to access a vro through Terminal console, TTY line, VTY line, SNMP-based network management, and RMON. I believe that reading this article will help you. The terminal Console simulates the terminal into the vro and configures the vro.Router # configure terminal (entering Configuration Mode)Router # line con 0 (enter the console configuration)In line con configuration mode, you can set t
Manual reference pages-tty (4) Name Tty-General Terminal interface Contents SynopsisDescriptionTerminal special filesLine disciplinesTerminal File OperationsTerminal file request descriptionsSee also Synopsis . In sys/IOCTL. h Description This section describes the interface to the terminal drivers in the system. Terminal special files Each hardware terminal port on the system usually has a terminal specia
Differences between console, terminal, tty, shell, and other concepts Linux has been used for some time, but I still cannot understand the differences between these concepts. Although I have been using it all the time, many concepts are vague, so it is really unpleasant to be unable to continue. These concepts are clarified below. These concepts have a very strong history. With the development of the times, their meanings are changing, and some of the
Transferred from: http://www.2cto.com/os/201403/282583.htmlHttp://blog.sina.com.cn/s/blog_bcdac52b0101i2r1.htmlDifferences in concepts such as consoles, terminals, Tty,shell, etc.The use of Linux has been for some time, but it has not been understood the differences between the concepts. Although it has been used, but a lot of concepts are vague, so flattening out state is really unpleasant. These concepts are clarified below.These concepts themselves
The question of the proposed A netizen on the internet raised the following questions: Code: SSH root@a.b.c.cn mysqldump ABCD emp > Emptoeee-u root-p root@a.b.c.cn Password: Enter Password: The first system password is invisible, and the second MySQL password is explicitly displayed ... The first password is clearly the password required for SSH password authentication, and the second password should be the password required by the remote mysqldump, but why is the second password displayed in pl
Use screen to solve the problem of TTY reconnection after disconnection-Linux Enterprise Application-Linux server application information. The following is a detailed description. A: When secureCRT is connected to the linux server, the network is disconnected, but the tty on the server has not exited. Can I re-connect it to the original tty? B: Yes. You can inst
Linux Kernel 'tty/tty_ldsem.c' Local Race Condition VulnerabilityLinux Kernel 'tty/tty_ldsem.c' Local Race Condition Vulnerability Release date:Updated on:Affected Systems: Linux kernel Description: Bugtraq id: 74820Linux Kernel is the Kernel of the Linux operating system.Linux kernel has a local competition condition vulnerability in the implementation of 'tty
Tags: 64-bit Linux kernel Android KernelIn a 64-bit system, when registering a tty device, you must note that android runs in el0 and 32-Bit mode, and the kernel runs in el1 and 64-Bit mode, not only does the kernel need to enable the config_compat option, but IOCTL called by many Android upper-layer applications must also provide the corresponding compat_ioctl () function in the underlying driver module;When registering the
Since the Nvidia 260 graphics card driver was installed on KUbuntu10.10 yesterday, C + A + FN cannot start the tty terminal. To be accurate, it is a black screen, and nothing can be displayed, but it can be operated. you can log on blindly. After switching back to X, run the w command to check that the system has logged on. It should be caused by terminal resolution or other video card problems. I have no clue. There is no way to go to Google. Many pe
Man , info, help, date, Hwclock, Cal, shutdown, reboot, Halt, Poweroff, type, CD, which, DirName, BaseName, who, which, Whatis, Makewhatis, Echo, hash, TTY tac:cat display the file file in reverse order ...: View the format of the contents of the Files # mkdir ' Date+%f-%h-%m-%s ' Creates a directory with the current time command, for example 2014- Geneva- One- -- -- -;Rmdirwho: View all users logged on on the current system and their informationTTY v
Purpose: Modify the font size under TTY terminal, Chinese display, font aesthetics problemLinux version: xubuntu14.04When switching to TTY terminal mode, Chinese characters are garbled and the fonts are too small to affect reading. Searched the internet for some information and recorded the problem and solution as follows.The tool used is fbterm1, install Fbterm2,fbterm use Help, fbterm configuration file f
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