xxd command

Zabbix remote command execution and zabbix Command Execution Originally published in cu: When the Zabbix trigger reaches the threshold, an action is executed to send an alarm message or execute a remote command. This document describes how to configure zabbix to run remote commands.I. Environment Server: CentOS-7-x86_64-1511-based; Zabbix: zabbix-3.0.1server/agen

The command line sends an email, and the linux Command Line sends an email.CentOS Stop or remove sendmail: yum remove sendmail Yum install postfix Yum install mailx Check whether the MTA is Postfix: alternatives -- display mta If you do not change the default MTA to Postfix:/usr/sbin/alternatives -- set mta/usr/sbin/sendmail. postfix Detect and start Postfix service postfix status service po

Unix/Linux sync command, unixlinuxsync command Write cache command -- sync After the unix system is started with the reboot command, the system prompts an error message, and some applications cannot work normally. After carefully checking the system files and comparing them with the initial correct backup, we found th

The programmer must know the FTP command and the programmer's FTP commandProgrammers must know FTP commandsThe format of the file transfer software is FTP LOGIN: (enter a valid user name or "ANONMOUS "):PASSWORD: (enter a valid PASSWORD. If you log on as "ANONMOUS", you generally do not need a PASSWORD ):Section 1 FTP command BasicsAfter you enter the FTP site you want to connect to, you can perform file tr

Php design mode Command (Command mode) /** * Command mode * * Encapsulate a request as an object so that you can parameterize the customer with different requests, exclude requests or record request logs, and support cancelable operations */ Interface Command { Public function execute (); } Class Invoker { Private $ _

Linux cp/scp command + scp command \ svn delete all. Svn file find. -name. svn-typed-execrm-fr {}\; Name: cp usage permission: all users usage: cp [options] sourcedestcp [options] sourc... linux cp/scp command + scp command \ svn delete all. Svn file find. -name. svn-type d-exec rm-fr {}\; Name: cp usage permission: al

The crontab command is used to submit and manage tasks that the user needs to perform periodically, similar to the Scheduled tasks under Windows.(1) Usage:Usage: crontab [-u user] Filecrontab [-u user] [-e |-l |-r](2) Function:Features: when the operating system is installed, the Service tool is installed by default, and the Crond process is automatically started, and the Crond process periodically checks to see if there are any tasks to perform, and

RCP stands for "remotefileCopy "(Remote file copy). This command is used to copy files between computers. The RCP command has two forms. The first format is used for file-to-file copies, and the second format is used to copy files or directories to another directory. 1. Command format: rcp [parameter] [source file] [target file]2.

Some shortcut keys for the bash command line:Ctrl +a: Jump to the beginning of the commandCtrl+e: Jump to the end of the command lineCtrl+d: Delete keyCtrl+u: Delete cursor to the beginning of commandCTRL +K: Delete cursor to end of command lineCtrl+l: Clear ScreenHistorical History Command:-C: Clear all inside command

Copyright noticeUpdated: 2017-04-26Bo Master: LuckyalanContact: [Email protected]Statement: Draft not forget to dig well man, reproduced please indicate the source!1 Article IntroductionThis article describes the Linux under command LS.2 Development PlatformScanning development Platform3 Pre-reading instructionsTips, such as pre-known knowledge, which blogs need to be read first4 Article bodyLS (list segment, list split) is used to list files and is a

Tags: new version mask useful file name standard input who file screen dirDirectory Operations command name function Description Examples of Use Mkdir Create a Directory mkdir dirname RmDir Delete a directory RmDir dirname Mvdir Move or rename a directory Mvdir Dir1 Dir2 Cd Change the current directory CD dirname

When you use the-EXEC option of the Find command to process matching files, the Find command passes all matching files to exec execution. However, some systems have limits on the length of commands that can be passed to exec, so that an overflow error occurs several minutes after the find command has been run. The error message is usually either "too long" or "pa

This is a creation in Article, where the information may have evolved or changed. Go command The go language comes with a complete set of command-manipulation tools that you can view by executing go on the command line: Figure 1.3 Go command to display detailed information These commands are very useful for the code t

First, the following commands, such as Run, CMD, and entrypoint, can be used to execute commands, but each has different characteristics. Run is executed at the time of build image. The CMD entrypoint is executed when the image is run. CMD can be used in conjunction with entrypoint, or it can be used with a single command. When both CMD and entrypoint are present in a dockerfile, the information set in cmd (the exec format) is provid

LS lists directory contents1. command formatls [option] [ directory name ]2. Command functionShow current directory contents,iflsspecify a different directory,then the files and directories in the specified directory will be displayed. throughlscommands can not only viewLinuxfiles that the folder contains,and you can view file permissions(include directory, folder, file permissions),View directory informati

we often find a file in Linux, but do not know where to put it, you can use some of the following commands to search:Which viewing the location of an executable file. Whereis viewing the location of a file. Locate to view file locations with a database. Find actual search hard disk query file name. The purpose of the which command is to search for the location of a system command in the path specified by th

Command type:inline command: Shell inlineExternal command: An executable file that has the same path as the command in the file systemEnvironment variables: named memory spaceAssigning values to variables#printenv Display Environment variables#hash Show Cache Hit commandPath: Using: A set of paths separated by0 (1) Fin

Go command The go language comes with a complete set of command manipulation tools that you can view by executing go on the command line: Figure 1.3 Go command displays detailed information These commands are very useful for the code we write in peacetime, and then let us know some common commands. Go Build This

Find is one of our most common Linux commands, but we generally look for more than just look, there will be further operations, this time the role of exec is revealed. EXEC explained: The-exec parameter is followed by the command command, which terminates with; For the end sign, so the semicolon behind the command is indispensable, and the preceding backslash i

One, memory unit conversion byte byte meaning b is a computer storage of the basic unit (byte);1 English characters are 1 bytes, i.e. 1B;1 Chinese characters are 2 characters, i.e. 2B; 1024b=1kb 1024kb=1mb 1024mb=1gb 1024GB=1TB two, command DF Command syntaxDF [Options] [parameters] Command descriptionThe DF command