Shell

To give you illustrator software users to detailed analysis to share the creation of exquisite shell texture tutorial. Tutorial Sharing: Well, the above information is small make up to you illustrator of

But shell scripts are readable and writable, and are likely to reveal sensitive information, such as user name, password, path, IP, and so on. Similarly, sensitive information is leaked when the shell script is run. SHC is a tool for encrypting

Recently the World Cup has come, has been busy between work and the World Cup, there is no time to manage my blog, today can only be the whole simple small shell to everyone. The company asked to delete one months before the backup file, so that the

The way to get timestamps in the shell is: date-d "$currentTime" +%s If you want to convert a date to a timestamp, you would do the following: 1. Get the current time Currenttime= ' Date ' +%y-%m-%d%h:%m:%s ' 2. Convert date to time stamp

The original script: The code is as follows Copy Code #!/bin/bashFile= "/root/newfile/"List= "/root/sqlbak"Ls-l $list/|awk ' {print $} ' |while read lineTodoCp-r $list/$line $fileDone Modified script:

Script content: The code is as follows Copy Code VI iptables-reset.sh#!/bin/bash#Powered by blog.slogra.comport= ' Iptables-vl|grep Ssh|awk ' {split ($NF, A, ":");p rint a[2]} ' |wc-l 'if [$port = 1];thenecho

The IF statement in the shell needs to make a regular judgment and check the grammatical records. The code is as follows Copy Code Datepattern= "^[0-9]{4}-[0-9]{1,2}-[0-9]{1,2}$"if [["$STARTDATE" =~ $DATEPATTERN]] && [[

When you download the SVN code on a Linux server and sync it to a web directory, you'll need to clean up the folder and add a little security to your safety.Script content:del_svn.sh The code is as follows Copy Code

Variable Description:$$The shell itself PID (ProcessID)$!The PID of the Shell's last running background process$?End code of the last command to run (return value)$-Flag list using the SET command$*A list of all parameters. Output all parameters in

Renamed a Web project, and then modified the Apache configuration to a new directory restart, the following error message appears: Shell-init:error Retrieving current Directory:getcwd:cannot access parent directories:no such file or directory

Variable Get the native host name #hostname Get the system version number #uname-R Get CPU Type Get the CPU working frequency Cat/proc/cpuinfo Get Memory

The most common source package downloaded from the network is. tar.gz package, and part of the. tar.bz2 Package To decompress is simple: . tar.gz Format Decompression command for TAR-ZXVPF xx.tar.gz. tar.bz2 Format Decompression command for

#!/bin/bash a= (Dick Harry Zhao Liu) for i ' {0..3} do if Ping-c 1 192.168.1. $ ((${i}+1)) >dev/null 2>& 1;then Echo $ ((${i}+1)) "${a[${i}]}" online " else Echo $ ((${i}+1))" "" ${a[${i}]} "offline" fi Done This string of shell code implements

Problem Description: CentOS A new user, log in after the information of the shell script is as follows: Linux CentOS Shell display-bash-4.1$ does not display the user name path solution Ps: If you mistakenly delete files in the user directory, it

At work, you sometimes need to compare whether the files are consistent. You can use the following script (relatively simple): share it and hope to help friends who have the same requirements ~ The code is as follows:Copy code #! /Bin/bash#

Nginx service startup script  The code is as follows:Copy code #! /Bin/sh# Chkconfig: 2345 55 25# Description: Startup script for nginx webserver on Debian. Place in/etc/init. d and# Run 'UPDATE-rc. d-f nginx defaults', or use the appropriate

Script#! /Bin/bash Cat/var/log/secure | awk '/Failed/{print $(NF-3 )} '| sort | uniq-c | awk' {print $2 "=" $1;} '>/root/black.txt # filter the ip addresses and times in the Failed status Cat/var/log/secure | awk '/Invalid user/{print $ NF}' | sort |

Linux prohibits root users from logging on through sshRoot users are prohibited from logging on through ssh by operating the sshd_config configuration file.1. Open the ssh configuration fileVim/etc/ssh/sshd_config2. Find the following line of text

Code directly!#! /Bin/sh [-F/etc/init. d/functions] &./etc/init. d/functions### Modify the Nic configuration file nameFunction net (){B0 =-1Cat/proc/net/dev | grep ':' | grep-v 'Lo' | cut-d:-f1 | sort>/tmp/net_name.txtDoC0 = $ lineB0 = 'expr $ b0 + 1