Shell

Here's the shell code:create_xml.sh Copy Code code as follows: #! /bin/bash #author: Dengzhaoqun#date: 201202/14 Outfile=outTabs=0 Put () {Echo ' ' >> $outfile} Put_head () {Put '? ' ${1} '? '} Out_tabs ()

Copy Code code as follows: #!/bin/sh # Get the first day of the quarter, the date interval to yesterday # link:www.jb51.net # DATE:2013/2/28 Day= ' date-d "1 days Ago" "+%y%m%d";year= ' expr substr ${day} 1 4 ';Month= ' Expr

Shell script to extract alert log for Oralce day Copy Code code as follows: #/bin/sh #get Alert of Everyday #then name of file is everyday_alert.sh Dir= "/oracle/admin/bbdz/bdump" num=$ (cat-n ${dir}/alert_bbdz.log | grep "'

Copy Code code as follows: #/bin/bash # History After #把以下代码直接粘贴到/etc/profile user_ip= ' who-u am I 2>/dev/null| awk ' {print $NF} ' |sed-e ' s/[()]//g ' Histdir=/var/log/.hist If [-Z $USER _ip] Then User_ip= ' hostname ' Fi if [!-D

Shell code: Copy Code code as follows: #!/usr/local/bin/expect Set PASSWD [lindex $argv 1] Set IP [lindex $argv 0] Set CMD [lindex $argv 2] Spawn ssh $IP $CMD Expect "(yes/no)?" { Send "YESR" Expect "Password:" Send "$PASSWDr" } "

Example:A is a local host (that is, a machine used to control other hosts);b is a remote host (that is, a controlled machine server), if IP is 192.168.60.110;Both A and B systems are Linux. To run a command on a:# ssh-keygen-t RSA (three

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

Copy Code code as follows: #!/bin/bash if [!-f/tmp/down_count];then echo "0" > /tmp/down_count Fi Curl-i tomcat-host-o "/tmp/status" >/dev/null 2>1 Code= ' awk ' nr==1 {print $} '/tmp/status ' If ["$[code]"-ge];then

Method One: Copy Code code as follows: Echo ' echo {a.. Z} ' echo {A.. Z} ' >/tmp/letterfile While Read-p ' please input a letter: ' Letter Todo ((' Awk-v var= "$letter" ' Begin{print length (var)} ' = = 1)) && grep-q

The first idea, with iptables the external network SSH packet drop off;The second idea, with Tcpwrapper to sshd allow write death;The third idea, revise sshd_config, only listens intranet request. Due to some unclear reasons, the iptables approach

In the operational dimension scenario, we often need to match the IP address with a regular expression on the server. The shell, like other programming languages, can also use regular group captures, but you cannot capture groupings in the form of $

Using Python for Web development, it is now popular to use UWSGI to invoke Python programs, but using UWSGI for a period of time to find that there is a disadvantage is that every time you change the source code must restart Uwsgi to take effect,

$#: Number of parameters passed to script$*: Displays all parameters passed to the script in a single string. Unlike positional variables, this option argument can exceed 9$$: The current process ID number of the script run$! : The process ID number

The definition of a variable can only begin with a letter and an underscore, case-sensitive, and may contain a numeric letter underline. See Official Handbook Copy Code code as follows: [Root@svn shell_example]# yourname= ' Linux ' [

Embedded beginners, the first time to upload code. Yesterday did a UDHCPD and Udhcpc Guardian, currently only with Shell imitation writing, what method can do guardian? #! /bin/sh #进程名字可修改 pro_name=udhcpc wlan=ra0 while true; # get

Linux shell script detects tomcat and restarts automatically Background Run command sh xxx.sh &View background tasks: JobsSummoned to the front desk: FG Jobs number The code that can delete the while loop is put into the crontab, and the script

Recently encountered a problem: The machine mail queue is always stuffed, but do not know where to send mail written, very egg pain, no way, only temporary treatment, wrote a delete mail script rm_mqueue.sh. Copy Code code as follows:

Sample Resources Listsuch as Url.txt: Copy Code code as follows: Http://su.bdimg.com/static/superplus/img/logo_white_ee663702.png Http://su.bdimg.com/static/superplus/img/logo_white_ee663703.png

A: This script runs the machine, LinuxB: The machine that installs the JDK, Linux First, on machine A on which the script runs, determine that you can log on to machine B on the JDK by SSH without a password, and then you can run this script on a:

Many of the shell scripts executed with Cron may take a long time to execute for a variety of reasons, and it is necessary to check whether they are still running while running. This article provides a Linux shell script to check with the command sh