Shell

# # # # # # # # # #从ftp服务器上的/home/data to local/home/databackup#### The code is as follows Copy Code #!/bin/bashftp-nOpen 192.168.1.171User Guest 123456BinaryCd/home/dataLcd/home/databackupPromptMget *CloseBye!

#!/bin/sh #本脚本为守护进程, ,  automatic restart process   Function check_and_kill_and_start () {log_file=$1 If a process zombie is found Name=$2 dead_duration=$3 # echo  "check the progress " $ps _name ymd=$ (date +%Y-%m-%d) Log_file=${log_file}${ymd}.log

Infiltration using OPENROWSET to engage the shell Get the SQL injection point, the first thought is backup Webshell, throw in NB run a lap, found that blocked the SQL error messages, not the physical path, that also wrote a PP horse. Associated with

Requirements Analysis: 1, SSH Public key copy, provide no password management. 2, batch synchronization hosts files to more than one host. 3. Batch modification of host name. Realize: First edit a Hosts file for synchronization to multiple

Objective Now every time you analyze the site log, you need to judge Baidu Spider is not the real spider, nslookup after the need to determine whether the results include "Baidu" string Here are some of the methods that are included in the

It hasn't been updated in a long time.Think you should continue reading the script. #14 Formatting Long Lines #!/bin/sh # A version of FMT, using Nroff. Adds Two useful flags:-W X for line width # and-h to enable hyphenation for

It is common to repeat a series of commands while running a script, when we need to use a loop statement to do this. One, for command Format: for variable in list; Circulation body Done The for command traverses each value in the list and exits

Function Description: Tell the shell to remove the eval parameters, recalculate the contents of the parameters.Syntax: eval [parameters]Supplemental Note: Eval can read a series of parameters and then perform them according to the characteristics of

Use here documentation Copy Code code as follows: #!/bin/sh FTP-IVN 210.29.28.124 User Yun yun2011 Lcd/home/veyun Cd/home/veyun/yhb Get V Bye Eof Explain: -I: Turns off interactive prompts during multiple file transfers, so

Binary comparison operator, comparing variables or comparing numbers. Note the difference between numbers and strings. Integer Comparisons -eq equals, such as: if ["$a"-eq "$b"] -ne is not equal to, such as: if ["$a"-ne "$b"] -GT is greater than,

Ctrl + a switches to command line start Ctrl + e Switch to the end of the command line Ctrl + L Clear Screen contents Ctrl + U Clear the contents before the clipping cursor Ctrl + K-cut to clear the contents after the cursor Ctrl + y Copy the

1 matching names with Pgrep Copy Code code as follows: if test $ (pgrep-f $ | wc-l)-EQ 0 Then echo "process does not exist" Else echo "Existence process" Fi The following are supplementary content:Processes in the

Copy Code code as follows: #!/bin/bash #This the script is Usage for describle CPU Hard memery Utilization Total=0 Idle=0 System=0 User=0 Nice=0 Mem=0 Vmexec=/usr/bin/vmstat Which SAR >/dev/null 2>&1 If [$?-ne 0] Then Ver= '

In Java,python, you can use the import method to make calls between scripts or modules, for example: Copy Code code as follows: >>> Import Math >>> Math.sqrt (4) 2.0 How do you invoke other shell scripts in the shell, or

This article mainly introduces the "shell judge string is a number", mainly related to the shell to determine whether the string is a digital content, for the shell to determine whether the number of figures interested students can refer to. #!

A question about how to automatically delete a specified file after it is larger than 1GB.The batch code is as follows: Copy Code code as follows: #!/bin/bash # when the/var/log/syslog is greater than 1GB # automatically back it up and

Port forwarding under Windows is typically a self-contained NAT and Porttunnel, Portmap Linux Lower port forwarding mapping program called RINETD, boot method rinetd-c/etc/rinetd.conf, Pkill rinetd shutdown process Tools Home:

The LS command is used to display which files and folders are in the directoryLsBlue indicates folder White is fileLs-r List the contents of all folders (R = recursive)Ls-l View details including file permissions last modified time size (L for

1 First Test "/etc/vsftpd", "/etc/hosts" is the directory, and through the "$?" Variable view returns a status value to determine the test result.[Email protected] ~]# [-d/etc/vsftpd][[email protected] ~]# echo $?1[[email protected] ~]#

Two methods Start a new shell and execute the shell scripts. Shell scripts at the moment. The scripts that brings up another shell will be added to the front of the scripts file. #! /bin/shThe first approach is to point out