Linux Servers build FTP service scripts (tested on centos6.5 and CENTOS7) (the script does not make a judgment and needs to clean up the environment itself) (the script only allows uploads to not allow downloads, and does not allow anonymous users and local users to log on)Installation scripts#!/bin/bashSource/etc/rc.d/init.d/functions#安装vsftpdRpm-q vsftpdIf [$?-ne 0];thenYum Install-y vsftpdFi#备份主配置文件Cp/et
Index is a powerful weapon to improve database query performance. No index, just like the library without book tags, find a book they want to book than Heaven is difficult. However, in the process of using the index, especially in the case of batch DML, the corresponding fragments will be produced, and the B-tree height will change accordingly, so that these changing indexes can be refactored to improve performance. N long ago Oracle advised us to periodically rebuild the indexes on those tables
In Java,python, you can use the import method to make calls between scripts or modules, for example:
Copy Code code as follows:
>>> Import Math
>>> Math.sqrt (4)
2.0
How do you invoke other shell scripts in the shell, or variables in other scripts, functions?
Method one:. ./subscript.shMethod Two: source./subscript.sh
Attention:
1. Between two points, there are spaces, you must pay attention to.2. Two scripts are not in the same directory, use absolute path3. For
This article from Baidu Encyclopedia.
What is a shell.
The shell, to be exact, is a command-line interpreter, and its role is to follow a certain syntax to interpret and pass the commands that are entered into the system. It provides users with an interface system-level program that sends a request to Linux to run a program, and the user can start, suspend, stop, or even write programs with a shell. The shell itself is a program written in C language, which is a bridge for users to use Linux
Tags: port way background native let DBN terminal delete MySQL script#!/bin/bashhostname= "127.0.0.1" #数据库本机地址PORT = "3306" username= "root" password= "pwd" dbname= "Tbs_ra_data" Execsql= "Call Delete_flow_onebyone ()" //here can be an SQL statement or invoke a stored procedure echo "Begin execute MYSQL SQL ... "Mysql-h${hostname} -p${port} -u${username}-p${password} ${dbname}-E" ${execsql} "Echo " End Execute MYSQL SQL ....... ... "
1. Simple script file hello.sh, the content is as follows#!/bin/bashpwdls-alExecute script: Bash hello.sh or use the root command:./hello.sh2. Accept user ParametersThe name of the script file executed by $ A$* on behalf of all user parameters$? Represents the return value after the last command was executed$ #代表总共多少个参数$n represents the value of the first paramet
want this code to run directly when it is loaded, consider the order of execution, either onload executes it or put it behind HTML.And why is it easy to use after alert? Because the alert execution time, waiting for the user to confirm the process, the program is blocked, do not go down, but the page loading process is not aborted, which is equivalent to the page loading and parsing time, was alert to stay, if the user's deft on hand, and the network speed is very slow, the same will be error,
You can see in this article: http://www.bkjia.com/Article/201102/83631.html
If the ewebeditor filters scripts such as asa, cer, cdx, php, and aspx, add an ashx upload type and upload an ashx script. The script content is as follows:Using System;Using System. Web;Using System. IO;Public class Handler: IHttpHandler {
Public void ProcessRequest (HttpContext context ){Context. Response. ContentType = "text/pl
This script is a file system built on Linux. On the official UML website, I have the following problems:
[root@zhoutianzuo azuo]# bash install_fs.sh Filesystem already createdFilesystem already mountedgoing to fetchUsage: grep [OPTION]... PATTERN [FILE]...Try `grep --help' for more information.Usage: grep [OPTION]... PATTERN [FILE]...Try `grep --help' for more information.Usage: grep [OPTION]... PATTERN [FILE]...Try `grep --help' for more information.
PHP uses the shell background to run the PHP script and obtain the ProcessID code of the script. For more information about php, see.
The code is as follows:
$ Command = '/usr/bin/php/pub/www/u111/job/Crondo/auto_collector.php ';
$ Process = proc_open ($ command, array (), $ pipes );
$ Var = proc_get_status ($ process );
Proc_close ($ process );
// Pid is the process ID. I have not understood why I
Linux System Monitoring shell script and linuxshell script
The Code is as follows, which implements some common monitoring variables in Linux and shares them with you @.·.@
#=============================##Filename=system_monitor.sh#Author:foxsir#Date:2016-02-15#=============================##!/bin/shclearif [[ $# -eq 0 ]]then#Define Variable Reset_terminal Reset_terminal=$(tput sgr0)#Check OS Type OS=
SHELL script-full explanation of tr command usage and features, shell script-tr usage
Directory:1.1 Introduction1.2 tr ing1.3 completely matched replacement1.4 compressed symbols1.5 Delete symbols and supplements
1.1 Introduction
Tr is mainly used to map the result set, compress the character, and delete the data read from the standard input. First, it sorts the standard input for reading and then wraps it
Shell script -- cut command, shell script -- cut
Directory:1.1 option description1.2 filter by field1.3 Use -- complement1.4 split by byte or character1.5 Use -- output-delimiter1.6 specify the range in cut
1.1 option description
The cut command divides a row into multiple columns according to the specified delimiter. Its weakness is that it is difficult to handle repeated multiple separators. Therefore, it
Shell script-automatic DNS deployment and shell script dns
For details, see:
(1) Play with me the Linux Network Service: DNS service -- BIND (/etc/named. conf,/var/named) setting implementation and Explanation
1 #! /bin/bash 2 IP="10.10.10" 3 RIP="10.10.10" 4 DN="gr.org" 5 Name="10.10.10.10" 6 7 cat >> /etc/named.conf
COM and its successor. Net have a feature that can be repeatedly written in other languages.ProgramSet. In SQL Server 2005, only VB. NET can be used for script tasks. Here, we can use an assembly written in any. NET language.
Use the Assembly to reuse the already writtenCodeYou may have written the data verification method in your program. Now you can reuse the code in the package. Writing the tested code again is meaningless.
To use an assembly in
MySQL database Regular automatic backup script, mysql database scriptThe most important thing for a Web system is the security and integrity of the database.It is very important to back up data regularly. Do not be lazy on this issue. If your important data is lost, it will make you cry.Export table structure and data mysqldump-uroot-pmypassword -- databases fansunion -- result-file =/var/www/backup/fansunion-table-and-data. SQLExport only the table s
Original: Use a script to get the ip address of the Local Machine and the ip address of the script
After receiving the course class, my old brother Kwai Hua started the course. Some of the simple things today can be graffiti or boring.
I want to get an IP address. It is very common in our lives. Today I will introduce you to my six methods of using scripts to get an IP address.
Many people want to ask me
Weblogic STARTUP script v2.0 and weblogic script v2.0Change location
1. The application in the test is UF NC6. Because the NC cluster has the concept of master, non-master nodes depend on the master node, in this case, the master must be determined to start normally first, to start other nodes.
After the project test, it is found that sometimes other nodes are started after the master port is opened, and so
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