Frequently-used host monitoring Shell scripts recently, a friend asked me about server monitoring. besides open source software, for example, cacti, can I write shell scripts on my own outside nagios monitoring? Shell scripts written according to your needs can better meet your needs... common host monitoring Shell scripts
Use Transact-SQL to write a job script
You can generate a Transact-SQL script to create the defined job. By writing a job script, you can:
Control job creationSource code.
Migrate jobs from testing to production.
Compile alert and operator scripts.
Scripts created on computers running Microsoft SQL Server 2000 instances can also be run on computers running SQL Server 7.0. If you select
(For Original Articles, please indicate the source) In the past, scripts were limited to industrial applications and have always impressed me with inefficiency and low power. But there is always one exception in everything. I used the scripting language in my work. So I thought about how much this script can be used on embedded systems, especially industrial systems? How far can it go. Script language is not a new thing. It is natural to have an
or the server Web server stop can send a message to the administrator, and send to the administrator an alarm text message so that we can know the server problem in a timely manner.Any custom script recommendations are placed in the/usr/local/sbin/directory, which is designed to better manage the document, and then the administrator who takes over later knows where the custom script is placed for easy maintenance.Basic structure of shell scripts and
=" Wkiol1modupsbl6oaaevnznk3uq953.png "/>Learn how to understand HGX usage.Step three: The first step:[[emailprotected]scripts]#seq 9|sed ' h;g ' |awk-vrs= ' ' {print$1,$2,$3,$4,$5,$6,$7,$ 8,$9} ' 112 1231234 12345123456 1234567123456 78123456789 Summary:1.-v Define variables This variable can be used in awk2.RS is the record separatorRS = = ""Records is separated by runs of blank lines. Leading and trailing newlines in a file is ignored.Each record
Tags: frequency stat Blog Pre Security + + Author tool dropIntroduction Enterprise Shell interview question: Master please detour! Enterprise Practical Problems 6 : developing shell scripts to solve DOS secure Linux server production casesaccording toWeblog or the number of network connections, monitor when aIPnumber of concurrent connections or short -termPVreach -, that is, call the firewall command to seal off the correspondingIP, monitoring freque
Tags: title crossed rip redefine nbsp code very underlined whyThe habits to be cultivated are as follows:Code has comments #!/bin/bash# written by steven# Name: mysqldump.sh# Version: v1.0# Parameters: No # Function: Mysqldump backup mysql# Create Date: 2016-08-27 Indentation There are rules code to unify in the script to try to use the UTF-8 code too long to branch skillfully use Heredocs learn path script_dir=$ (CD $ ( DirName $) pwd) script_dir=$ (dirname $ (readlink-f $))
content 123456" | Mutt-s "Message header test Message"-a/scripts/test.txttest@126.com
Monitoring system memory using free command:
1, use the free command to view the Linux system memory usage: (in m)
Copy Code code as follows:
# free-m
(Execution results are the following style)
Copy Code code as follows:
Total used free Sharedbuffers Cached
mem:3952 34145380168484
-/+ buffers/cache:2760 1191
SWA
This article is in the study of "with the old boy learning Linux Koriyuki Shell Programming Practical" the knowledge points recorded in this book. I have benefited greatly from reading this book, but this is only my personal opinion. Now let's get to the bottom of the shell script.The shell itself is a command interpreter whose function is to interpret the commands and procedures for executing user input.The type of Shell scripting language: The main shell in SH, ksh, bash, csh, tcsh,linux is ba
650) this.width=650; "class=" Alignnone size-full wp-image-54792 "src=" http://www.linuxprobe.com/wp-content/uploads/ 2017/03/ubuntu.jpg "width=" "height=" 598 "style=" Height:auto; "/>I've always wondered what was going on in the process of starting the Linux system and logging in. By pressing the power-on key or starting a virtual machine, you start a series of events and then go into a fully functioning system, and sometimes this process takes less than a minute. This is true when you log off
(mailto= ""), the e-mail message is not sent. The home variable can be used to set the base directory when executing a command or script.Each line of the task in the file/etc/crontab is described in the following format:minute hour day month DayOfWeek commandminute -integers from 0 to 59hour -integers from 0 to 23 Day-an integer from 1 to 31 (must be a valid date for the specified month)month -an integer from 1 to 12 (or a month such as the Jan or Feb abbreviation)DayOfWeek -integers from 0 to
data flow redirection to achieve the purpose we want.More clearly, shell script is like the early Dos era. bat, the simplest function is to write a lot of instructions together, so that the user can easily execute multiple commands in one operation, and shell script provides an array, loop, condition and logical judgment and other important functions , allowing users to write programs directly to the shell without having to use the syntax written by traditional programs like the C programming l
manage the server very conveniently, because we can specify a task schedule to execute a shell script to implement the requirements we want. This is a very proud thing for Linux system administrators. Now the 139 mailbox is very good, e-mail can also send an e-mail message to the user, using this, we can deploy the monitoring shell script on our Linux server, such as network card traffic is abnormal or the server Web server stopped can send a message to the administrator, At the same time sent
Scenario: DBA has exported all creation scripts for storage, functions, and other objects to me, with thousands of files. now, how do I import these object creation scripts to another database? Manual execution is obviously not realistic. Therefore, a batch is manually written to form a. SQL script for all files, and then imported as @-generated. SQL script.
Scenario: DBA has exported all creation
Summary of automatic remote host login methods in Linux scripts
For convenience, I wrote a script to automatically log on to the remote machine by Using SSH, as shown in the following code. This script requires the installation of the trusted CT package.
======================================
#! /Usr/bin/CTSet timeout 30Spawn ssh-l root 192.168.1.117Reset CT "Password :"Send "nopasswd/R"Interact
======================================
Set timeout 30
This chapter parses script syntaxes that are essential in any language, including comments, variables, functions, and condition statements. The script format is as follows.
/* Chapter 3 of game script design and development * // set the variable num to 5var. set (Num, 5); // conditional statement script to test if (@ num> 10); var. set (name, lufy); elseif (@ num> 4); If (@ num = 5); var. set (name, hello); else; var. set (name, hellow); endif; else; var. set (name, legend); endif; text. label
Monitor Linux system and process resources using Shell scripts
This article mainly introduces how to monitor Linux system and process resources by using Shell scripts. This article describes how to check whether a process exists, check the CPU usage of the Process, check the memory usage of the process, and check the handle usage of the process ,, for more information, see
During server O M, you often ne
Today, we would like to recommend nine great JavaScript scripts for drawing charts on webpages, these interesting JS scripts can help you quickly and conveniently draw charts (line, surface, pie, bar, etc ...), These include jquery, mootools, prototype, and some other JavaScript frameworks.You can also refer to the following JavaScript/CSS tutorials and resources:30 excellent CSS technologies and examples s
An article that understands Shell scripts,
Shell scripts use the Shell command interpretation function to parse a plain text file and then execute these functions. It can also be said that Shell scripts are a collection of commands.Shell can be directly used on win/Unix/Linux, and can call a large number of internal functions of the system to explain the executio
Check the table space in the database. You may have a lot of scripts in use. You can also read it and share an example of using shell scripts to check the table space usage.
Check the table space in the database. You may have a lot of scripts in use. You can also read it and share an example of using shell scripts to c
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