Shell

Copy Code code as follows: #!/bin/bash # #chkconfig: 35 88 14 #description: Tomcat Auto Start script #script by Okhelper Case "$" in Start echo "Here is start script ..." java_home=/usr/jdk1.6.0_13; Export Java_home Jre_home= $JAVA

The script is mainly from the defined NTP server list to get the server address to synchronize, if the first unsuccessful, will continue to change the address to sync! Not perfect place also please point out! Copy Code code as follows: #

1. Simple method Copy Code code as follows: $ b=$ ((5*5+5-3/2)) $ echo $b 29 In the Linux shell, we can use $ (()) to put an expression in parentheses to achieve the function of the operation. 2. Other methods: Using:

Implementation method One #!/bin/bash logs_path= "/data/application/nginx/logs" pid_path= "/data/application/nginx/nginx.pid" Month= ' Date +%y-%m ' date= ' date +%y-%m-%d ' time= ' date +%h ' waittime=$ ( (24*60*60)) logcut () { CD $Logs

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

Copy Code code as follows: #!/bin/bash Echo-e ' Date +%y%m%d%h%m ' Echo-e "Pid\t\tswap\t\tproc_name" # Take out all directories in the/proc directory (the process name is the number is the process, others, such as sys,net, etc. store

Copy Code code as follows: #/bin/bash #该脚本用于统计硬盘空间和表空间的使用情况, and Mail out #初始化环境变量 Source/home/oracle/.bash_profile #获得本机ip ip= '/sbin/ifconfig eth0 | grep bcast | Cut-d:-F 2 | Cut-d ""-F 1 ' #切换到本脚本目录 cd/home/oracle/shell/

The main purpose is to restart the background of more important processes, if the use of killall-9 forced kill, may cause problems. such as database processes. The code is as follows: Copy Code code as follows: #!/bin/sh If [-Z "$"];

Recently saw a group of people chatting to their server has recently been Hung horse, and then want to use a script to monitor the Web directory changes in real-time files, that is, the directory of additions and deletions to the corresponding log

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

There are times when you need to extract files from the RPM package without installing and installing RPM-related libraries and programs, and this little green script can help you achieve your wish. Note:1. This script comes from the Internet, the

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

First, take an integer d1 less than n as the first increment, dividing the entire record of the file into D1 groups. All records that are multiples of the DL are placed in the same group. A direct insertion sort is performed within each group, and

#!/bin/bash#fail2ban-0.8.14.tar.gz#python > 2.4v#user:roottar  -zxf  fail2ban-0.8.14.tar.gzcd /root/fail2ban-0.8.14/python setup.py install cp /root/ Fail2ban-0.8.14/files/redhat-initd /etc/init.d/fail2banchkconfig --add fail2bansleep 1rm  -rf /root/

[email protected]:~# ls while50.sh while50.sh[email protected]:~# cat  While50.sh #!/bin/bashlogfile=/root/192.168.1.50.ping.logwhile truedo    echo  -n $ (date +%y-%h:%m:%s)  >> $logfile     ping -c1 -w1  192.168.1.50 >/dev/null     #ping   192.168.

The && operator syntax is formatted as follows: Command1 && command2 [&& Command3 ...] 1. Use && connection between commands to implement logic and functions. 2. Only the command on the left of && returns True (command return value $?). = = 0) The

~ Home Catalogue ls ~"Inside the inverted quote is the command echo ' ls ' | ' Echo ls ' | echo ' echo ls ' | ' echo ' echo ls ' replace command $ ()! Take sung with the historical Command (!123) 123 is the history display#代表注视信息$ take Variable