overwatch commands

1. Format description"[email protected] Simon" $"[Email protected] ~" $Both of these methods represent the same. Simon is the specified user, localhost is the computer name, if not set to localhost by default. Simon, ~ refers to the directory where you are currently located.Terminal: Command interpreter, simulation shell2, the user's switchsu[options] [user]such as: Su-rootThe example uses the SU command to change a normal user to the root user and use the option "-" to carry the root environmen

software is difficult to uninstall, but also to prevent the application of other software, you can use this, but a bit risky.Apt-get AutoClean Apt will back up the installed or unloaded software on the hard drive, so if you need space, you can let this command to delete the software you have deletedApt-get Clean This command will also remove the backup of the installed software, but this will not affect the use of the software.Apt-get upgrade--Update all installed packagesApt-get dist-upgrade--

configuration file)dpkg--force-all--purge PackageName Some software is difficult to uninstall, but also to prevent the application of other software, you can use this, but a bit risky.Apt-get AutoClean Apt will back up the installed or unloaded software on the hard drive, so if you need space, you can let this command to delete the software you have deletedApt-get Clean This command will also remove the backup of the installed software, but this will not affect the use of the software.Apt-get u

Shell Special Symbols * Any of any characters ？ Any one character # comment Characters \ de-Semantic characters | Pipe character $ variable prefix,!$ combination, regular inside means end of line ; Multiple commands written to one line, separated by semicolons ~ User home directory, followed by regular expression to indicate match put the command behind the command and throw it backstage. > >> 2> 2>> >

Commands in Linux can be broadly divided into two categories, internal commands and external commandsInternal command: Also known as Shell Inline command;External command: stored in a file, used to go to the file to find, these files are defined in the $path[Email protected] ~]# echo $PATH/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/root/binThe type command can view the command type to distinguish bet

Common commands for PHP database operations and common commands for php databases. Common commands for PHP database operations and common commands for php databases? Php sets the character set header (content-type: texthtml; charsetutf8); connects to the database and determines whether the database is successful or not

Recently, I was reading "deep understanding of computer systems", which really gave me a better understanding of CPU. As we all know, in fact, the programs we write in advanced languages are compiled into executable programs. The files that store executable programs are actually some machine codes that can be executed by hardware. In this step, we call it Machine Instruction. At this step, we often think that we have reached the so-called "bottom layer ". Some time ago, I also raised a questio

Summary of mysql Common commands and mysql Common commands This article introduces some commonly used commands in mysql, including creating and modifying databases, tables in databases, permission management commands grant and revoke in mysql. Common commands for creating an

In Linux, how does one view, kill, and start processes? (Common commands), common linux commands Keywords: linux Process query, killing process, Starting Process 1. Check the process Ps command to find the process-related PID: Ps a shows all programs under the current terminal, including those of other users. Ps-A shows all programs. When listing programs in ps c, the real command name of each program is di

When I visited the blog Park yesterday, I saw the lumaqq. net, it feels very good, so I went down to study it. I felt a little bit like miniqq, mainly based on the console, taking up a small amount of memory and being able to modify a lot of things myself, remove unwanted junk information. Although I do not know much about the implementation principles in it, I still know a little about applications and instructions. My personal feeling is lumaqq. net can do a set of chat

FTP commands are one of the most frequently used commands by Internet users. Whether using FTP in DOS or UNIX operating systems, a large number of FTP Internal commands are encountered. You are familiar with and flexible to use FTP Internal commands, it is very convenient for users. For users who use dial-up Internet a

Common commands of yum and rpm and Common commands of yumrpm Directory Installation Package of common command packages for yum and rpm query package uninstalling all other options for yum and rpm all options in yum Common commands for yum and rpm Yum and rpm have many usage methods. I will only introduce what we may encounter frequently. If it is not commonly use

How to monitor the execution progress of Linux commands using pv commands If you are a Linux system administrator, you must spend a lot of time on the command line to install and uninstall software, monitor the system status, copy, move, and delete files, and so on. In most cases, you enter a command and wait a long time until the execution is complete. Sometimes the command you run is suspended, and you ca

Common linux commands 2 and common linux commands Before reading this article, you can first read this article, which provides 20 commands that are very useful to new Linux beginners. This article is written in what was not found in the previous article and is currently used by me. This article only allows me to view linux-related

Common Linux commands (version 2)-Help commandsHelp commands 1. man [manual]:/usr/bin/man Obtain the help document of the command or configuration file, and check the help of the command first. Format: man [command or configuration file] # Call more E. g. Man ls # view the help information of the ls command Man services # view the help information of the configuration file services Appendix-there are nine t

Common SecureCRT commands and common securecrt commands Common commands:1. ls only lists file names (equivalent to dir, dir can also be used)-A: lists all objects, including hidden objects.-L: a list that contains most attributes of a file.-R: recursive display.-- Help: the help of this command. Ii. Change directory with cdCd/: Enter the root directoryCd: Return

Common Linux commands (version 2)-file management commandsFile Management commands Not recommended: Follow books like command book! There are about 200 Common commands. File naming rules: A) All characters except '/' are valid! B) It is best not to use these characters. 1. space character, Tab character, return character 2. Connector 3. Special symbols: @ # $ ()

Tags: absolute path installation file output Reference Declaration switch Directory View extLinux common commands (Common Commands for Linux)1. Statement, this article only write based on the Bash shell commonly used commands, if you encounter the command in the course of use, may be updated, the command has been replaced, please go to the official WIKI search or

One, the Linux CPU sizeCat/proc/cpuinfo |grep "model name" cat/proc/cpuinfo |grep "Physical ID"Description: Detailed information about each CPU can be seen in/proc/cpuinfo under Linux. But for a dual-core CPU, you will see two CPUs in the Cpuinfo. It is often mistaken for a two single-core CPU.You should actually differentiate between single-core and dual-core by physical Processor ID. The physical Processor ID can be found from Cpuinfo or DMESG. Flags if there are HT instructions to support Hy

Docker ~ Run multiple commands and docker multiple commands Recently, we are working on the deployment of jenkins pipeline. you do not want to install the dotnet sdk when deploying net core. For better portability, you plan to directly use the docker image of aspnetcore and run it through docker, at this time, there was a problem: docker run aspnetcore: 2.0. If you want to execute multiple sh