jot script 2

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Linux Learning Summary (58) Shell Script 2-Logical judgment if

[-X file] Determines whether the file is executableA few special judgmentsIf [-Z ' $a '] This indicates what happens when the value of variable A is emptyIf [-n ' $a '] means that the value of variable A is not emptyIf Grep-q ' 123 ' 1.txt; Then what happens if the 1.txt contains a ' 123 ' rowif [!-e file]; Then what happens when the file doesn't exist?if (($a Symbols such as Case judgment in the three shellsFormat case variable name invalue1)Command;;value2)Command;;*)Commond;;EsacIn a case pro

Vbs/js Script Programming Teaching (2) _vbs

Script Programming Teaching 2 Let's take a look at how to use the FSO for file operation. FSO is the core of file operation in the VBS. As a hacker, no matter what language to learn, the operation of the document should be at the fingertips, so please study carefully. Do not say nonsense, first look at the FSO consists of the following objects: Drive object: Contains information about the storage devic

Linux Shell script series tutorial (2): terminal printing command details

Linux Shell script series tutorial (2): terminal printing command details This article mainly introduces the Linux Shell script series (2): terminal printing command details, this article focuses on echo terminal printing, printf terminal printing two Print Output commands, for more information, see Terminal Printing A

Shell Monitoring Script 2

[email protected]-xp1234565-f[emailprotected]-t[emailprotected],[ emailprotected],[emailprotected],[emailprotected],[emailprotected]-u "$ Subject "-m" $messagelog "else/usr/local/bin/sendemail-s172.20.101.63-o message-charset= "UTF-8" -xu[emailprotected]-xp1234565-f[email protected]-t[emailprotected],[emailprotected],[emailprotected],[email Protected],[emailprotected]-u "$subject 1" -m "$messagelog 1" fi#!/bin/bashhttping-c20-g http://172.20.101.53>test.txtb= ' cattest.txt|grepavg|awk ' {print$4

Script Exercise 2

Tag: Shell Exercise: write a script to complete the following functions: 1. List all disk devices on the current system; 2. Select a disk device and display all the partition information on the specified device; 3. Ask the user if they want to erase all existing partitions on the disk and then re-Add the three partitions; Y or yes: continue N or no: Abort the script

Very good summary of BASIC script intrusion knowledge page 1/2

the guests (access remote services)-theoretically, the rest of the doors should be closed, but for various reasons, many of them are open. As a result, there was a good opportunity to enter, and the host's privacy was stabbed, and life was disturbed, and even things in the house were made a wolf. This webshell is a webshell ". Advantages of webshell The biggest advantage of webshell is that it can pass through the firewall. Because the data exchanged with the controlled server or remote host

Intra-site search script (2)

Tip: you can modify some code before running Intra-site search script (2)Intra-site search script (2) Enter query keywords: Enter the query keyword"Javascript"Look at the query results.

Shell Script Rollup 2 delete files that have been created for more than 32 days

Shell Script Rollup 2 delete files that have been created for more than 32 days#!/bin/bash#date:2017-04-11#version:clear_ballcloud_back_v1.0#contents:removingthe/www /web/ballcloud_bakck/*,ifthefileiscreatedabove32day#cd /www/web#sumthesizeofalreadydeletedirectorydirsize= ' du-s backup_ballcloud|awk ' {print$1} ' ' # #define thereadyto deldirectory#maxsize=$ ((20000)) cleardir= "/www/web/backup_ballcloud"

Anatomy of nginx · automatic scripts (2) setting the initial variable script Auto/init

operating systems, such as Mac OS, Linux, and Solaris. Shell in different systems is slightly different. Thereforeauto/initThe script contains the following two variables: ngx_n ngx_c The Code is as follows: # check the echo‘s "-n" option and "\c" capabilityif echo "test\c" | grep c >/dev/null; then if echo -n test | grep n >/dev/null; then ngx_n= ngx_c= else ngx_n=-n ngx_c= fielse ngx_n= ngx_c=‘\c‘fi8.

General Script 2 for starting java programs in linux, linuxjava

General Script 2 for starting java programs in linux, linuxjava 1. start. sh #! /Bin/bashCd 'dirname $0' BIN_DIR = 'pwd' Cd .. DEPLOY_DIR = 'pwd' CONF_DIR = $ DEPLOY_DIR/conf SERVER_NAME = 'sed '/server. name /! D; s/. * = // 'conf/server. properties | tr-d' \ r'' SERVER_PORT = 'sed '/server. netty. port /! D; s/. * = // 'conf/server. properties | tr-d' \ r'' If [-z "$ SERVER_NAME"]; then SERVER_NAME =

Shell script Learning (2): conditional statements and cyclic statements

Shell script Learning (2): conditional statements and loop statements 1. conditional statements First, when it comes to conditional statements, we have to first talk about the judgment of the conditional expressions. What types of conditional expressions are there in shell? There are three types: 1. String judgment = Equals to true. ! = Not equal to true. The-Z string length is false. -If the length

Generic script for starting Java programs under Linux 2

not started!"Exit 1FiIf ["$"! = "Skip"]; Then$BIN _dir/dump.shFiEcho-e "Stopping the $SERVER _name ... \c"For PID in $PIDS; DoKill $PID >/dev/null 2>1DoneCount=0While [$COUNT-lt 1]; DoEcho-e ". \c"Sleep 1Count=1For PID in $PIDS; DoPid_exist= ' PS--no-heading-p $PID 'If [-N "$PID _exist"]; ThenCount=0BreakFiDoneDoneecho "ok!"echo "PID: $PIDS"Third, restart.sh#!/bin/bashCD ' DirName $ './stop.sh./start.sh Copyright NOTICE: This article for Bo Master or

Shellawk implements real-time Nic traffic monitoring script (Common Application 2)

You must be aware of the network card traffic obtained through the 3rd-party tool. In fact, the effects can be achieved through scripts. The following figure shows the data I sorted out in my personal work. The following is a shell script to collect network card traffic Implementation principle:[Chengmo @ localhost ~] $ Cat/proc/net/devInter-| Receive | TransmitFace | bytes packets errs drop fifo frame compressed multicast | bytes packets errs drop fi

Shell script parsing 2 ---- variable

I. general Variables #/Bin/sh Num = 2 Echo "this is the $ {num} Nd" # If the shell script language variables are tightly connected to letters, add. Output result: Ii. System Variables $ #: Number of command line parameters for input scripts $ *: All command line parameter values with spaces between each parameter value $0: Command itself (shell file name) $1: The First Command Line Parameter $

Vbscript script Programming Tutorial 2 Use fso for file operations

path of a folder or file. Getbasename: returns the basic path of a file or folder. Getdrive: returns a dreve object. Getdrivename: returns the name of a drive. Getextensionname: returns the extension. Getfile: returns a file object. Getfilename: returns the name of the file in the folder. Getfolder Getparentfoldername: returns the parent folder of a folder. Getspecialfolder: returns the object pointer to a special folder. Gettempname: returns the name of a randomly generated file or folder that

Unity Script <2>

]; Audio. Play (); } } } inttauntrandom () {//Choose a random index of the taunts Array. inti = Random.range (0, Taunts. Length); //If It ' s the same as the previous taunt ... if(i = =Tauntindex)//... try another random Taunt. returnTauntrandom (); Else //Otherwise return this Index. returni; } } 1. The AudioClip interface is a simple abstraction for playing audio clips. Multiple AudioClip items

Shell Script Summary 2

Echo ' seq-s ' 10 '--command to use anti-quoteecho $ (seq-s "" 10)(())LetExprBC--Features support for fractional counting$[]----------[Email protected] ~]# ((ruan=1*8-9))[Email protected] ~]# echo $ruan-1---------[Email protected] ~]# b=$ ((1*2+3))[Email protected] ~]# echo $b5---------[Email protected] shell_ruanjp]# i=2[[email protected] shell_ruanjp]# let i=i+8[Email protected] shell_ruanjp]# echo $i10--

The shell script reads the implementation code of the INI configuration file 2 cases _linux Shell

: Pattern matching to: [COM1] then execute the action: A=1, followed by a pattern + command Mode: "a==1$1~/key/" A==1 because the value is already assigned, the next step is to execute if the first field matches the value of the key. Print item 2nd, then exit, and exit will not print to a key value that matches [COM2] and [COM3]. The requirements will become, now become the value of the "COM" several keys, the shell provided by the script is as follo

Zabbix-agent Script Installation 2

]];thenprintf ', 'FiDoneprintf "\n\t]\n"printf "}\n"EofCat >/usr/local/zabbix/share/zabbix/externalscripts/cpunum.sh #!/bin/bashdiskarray= (' cat/proc/cpuinfo | grep ' process ' |awk-f: ' {print $} ')length=${#diskarray [@]}printf "{\ n"printf ' \ t ' "\" data\ ": ["For ((i=0;iDoprintf ' \n\t\t{'printf "\" {#CPU_NUM}\ ": \" ${diskarray[$i]}\ "}"If [$i-lt $[$length-1]];thenprintf ', 'FiDoneprintf "\n\t]\n"printf "}\n"EofCat >>/usr/local/zabbix/etc/zabbix_agentd.confUserparameter=io.scandisk[*],/u

KVM Script Bulk Add delete virtual machine version 2

=255.255.255.0gateway=192.168.x.254nm_controlled= "yes" onboot= "yes" TYPE= "Ethernet" Batch generation is as follows:[email protected] scripts]# python create_delete_vm.pyCreate VM web20.tc.com image file and file type Qcow2Formatting '/var/lib/libvirt/images/web20.qcow2 ', fmt=qcow2 size=21474836480 backing_file= '/template/img/Template_ Centos63x64.img ' Encryption=off cluster_size=2097152done!Create VM web20.tc.com Xml config fileCreated VM config File/etc/libvirt/qemu/web20.xmldone!Start VM

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