sftp shell script

Environment: SSH server:192.168.100.29 server.example.comSSH client:192.168.100.30 client.example.com Create secret key authentication through root user to implement Shell script management, distribution, deployment First, the client side creates the secret key pair and distributes the public key to the SSH server that needs to be logged on Note: The public key is equivalent to a lock, the private key i

[Shell] crontab executes the task and calls the shell script. The relative path cannot be found. crontabshell The scenario where the problem occurs is probably 1 cron calls a python script 2. In the python script, call a shell

The key to using command-line arguments is that the shell script needs to interact with the person who is running the script.The bash shell provides command-line arguments to add data values after the command, command line options to modify the command behavior of single character values, and direct read keyboard input. 1, command line parametersThe most basic w

1, in the assignment statement Name=value can not have a space, for example: name = value of the form is considered to be three variables, because essentially, the content of the script is passed to the shell program variables, and the variables are separated by a space. If you want a space in value, you need to quote it in quotation marks, and the content of the variable you want to apply is marked with a

Common shell script running Log Module, shell logTarget Implement recording of SHELL execution start time, end time, running status, error information, etc. Use the function to encapsulate log records and use scripts to call functions.Source code universal function script pr

Preface: Through studying spark cluster scripts, take notes on some important shell script skills. *). Get the directory of the current script sbin=`dirname "$0"` sbin=`cd "$sbin"; pwd` Code comments:# The above code is a common technique for getting the directory where the execution script is located# Sbin = $ (dirnam

There are three ways to invoke external scripts when running shell scripts, exec (exec script.sh), source (source script.sh), fork (./script.sh)EXEC (exec/home/script.sh):Using Exec to invoke the script is equivalent to executing a command in the current shell, without generating a new process, and the executed script

Programs on the Linux server update the MySQL database every day, so remember to write a shell script, combined with crontab, to back up the database regularly. Actually very simple, the main is to use the mysqldump command with MySQL. #!/bin/bash # Shell script to backup MYSQL database # to backup nysql databas

The shell also has a real debug mode. If there are errors in the script "Strangescript", you can debug this: Sh-x Strangescript This executes the script and displays the values of all the variables. The shell also has a pattern that does not need to execute a script ju

One, single branch if statement Format: if judge condition; then Statement1 statement2 ... Fi Two, two-branched if statement Format: if judgment condition; Then Statement1 statement2 ... else statementn ... Fi Use a previously used script to illustrate this structure. Three, multiple branch if statement Format: If Judge condition 1;then Statement1 ... Elif judgment Condition 2; Then statement2 ... Elif judgmen

1. "" "" "The Difference," "The variables will be resolved" "All of them as strings" "to execute system commands 2. The custom variable defaults to a local variable, and the environment variable is a global variable. 3.export can set one or more variables as global variables 4. To use a variable in a child shell in the parent shell, you must set the variable to global with export 5. Commonly used enviro

SHC can be used to encrypt shell scripts, which can be converted into an executable binary file. After SHC the shell script, it generates two new files at the same time, one is the encrypted executable binary (the filename ends with. x), and the other is the original file in C (the filename ends with the. x.c).Here's how to install, SHC, and use examples:Download