Shell

Today on the Internet to see a web connection average time of the shell command, in their own machine tried, found that can not use, incredibly appear awk:fatal:division by zero attempted such a mistake, Mao's own changed the shell command.Original

  Sometimes I want to find an IP in my home to test the virtual machine. But do not remember those IP is in use, those who do not use (don't say you remember, OK, I admit I am old), so wrote a shell script to detect, easy to use. Script content: #

System: CentOS 5.xScript content: The code is as follows Copy Code #!/bin/bashFile1=/var/log/nginxFile2=/tmp/robeacc/logFind= ' Find $file 2-name access.log|wc-l 'if [[$find = 1]];thenRm-f $file 2/*FiLs= ' ls-1t $file

In view of debugging Logback and log4j file cutting has been unsuccessful, with the use of shell script to cut the log files under Tomcat (if you have in the Logback or log4j use file cutting success, you can leave the use of the way, first thank

Implementation code: #!/bin/bash eth_in_old=$ (ifconfig eth0|grep "RX bytes" |sed s/rx ' bytes://' |awk ' {print} ') eth_out_old=$ ( Ifconfig eth0|grep "RX bytes" |sed ' s/.*tx bytes://' |awk ' {print $} ') Sleep 1 eth_in_new=$ (ifconfig eth0

Given A number, shows it in comma-separated form. expects DD and TD to is instantiated. Instantiates Nicenum. Or, if a second arg is specified, the output was echoed to stdout. Nonsense not much to say that the first is #!/bin/sh #

The shell case is simpler, but it has its characteristics. #!/bin/sh # scriptbc-wrapper for ' BC ' which returns the result of a calculation. if [$ = ' P ']; Then precision=$2 shift 2 else precision=2 # default fi bc-q Script

#!/bin/bash # exctute #/mod.sh File_type input_folder Output_folder #/mod.sh Count I f [! $#-eq 3]; then echo "[ERROR] Error paramater." Exit Fi # File Type file_type= ' ${1} ' # input Foloder if [-d ' ${2} ']; Then folder= "${2}" Else echo

Copy the files under the Bill folder to a certain rule (file name parity) under the Bill1,bill2 folder.Update BILL1,BILL2 Processing Progress tab (update File.max)File3 is the label for the current latest file in the bill directory and will normally

Copy Code code as follows: #!/bin/bash #********************************# #2013 -01-11 17:00:00 wanggy Exp # #note:p ing Monitor # #********************************# Set-u Ping_fun () { d_network=192.168.1 Echo-n "Input" network

Copy Code code as follows: #!/bin/bash #2013 -01-06 14:00:00 wanggy Exp #note:p ing Monitor Set-u #set-X Ping_fun () { d_network=192.168.1 Echo-n "Input" network (default $d _network): " Read Network : ${network:= $d _network} echo

Summary SEO optimization of the first step is to let spider spiders often come to your site to patronize, the following Linux commands can let you know the spider crawling situation clearly. Below we analyze for Nginx server, log file

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 "'

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

Copy Code code as follows: #!/bin/bash # Download from ApnicRm-f Delegated-apnic-latestwget http://ftp.apnic.net/apnic/stats/apnic/delegated-apnic-latest # IPs allocated to.grep ' apnic| cn|ipv4| ' Delegated-apnic-latest | Cut-f-d ' | ' >

Use the MySQL shell command to read the database information, delete the specified fields, and the corresponding files of the field, the Linux platform. The preceding variable is defined as the data base configuration Copy Code code as

Copy Code code as follows: #在后台执行 cmd command CMD & #命令序列. Execute multiple commands on the same lineCMD1; Cmd2 Execute multiple commands in a #在当前 shell in a set of forms{cmd1; cmd2;} Execute multiple commands in a #在子 shell in a set

This article describes the implementation of the core file automatic generation configuration method, the following steps: 1. Edit the Environment configuration file, let the shell start automatically set Ulimit Vi/etc/profile ulimit-c

In our system, I wrote a script to update some repository on a regular basis, but occasionally I encountered problems, such as when git pull might be stuck there (possibly due to a network problem at some point), which would hinder the next

This example describes the Jquery.fancybox.js usage of the jquery Pinball plug-in. Share to everyone for your reference, specific as follows: FancyBox is a jquery plug-in, powerful. Support to enlarge the picture to add shadow effect, for a group