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Old Boys educate Linux high-end Viban shell after class will be exam questions:Enterprise Shell face question 10: Developing an enterprise MySQL startup scriptDescriptionThe MySQL startup command is:/bin/sh mysqld_safe--pid-file= $mysqld _pid_file_path 2>1 >/dev/null The Stop command logic
Results-oriented learning is the most efficient learning. I used to learn Linux shell programming by go out. Give me the feeling is, today learned, the day after tomorrow forget, a week after the white school.Fortunately, recently I usually do not have anything, has been according to Tell me about your dry goods. is actually a Linux operation MySQL database script
Use the MYSQL-E parameter to execute various operation statements of various SQL. Instead of running MySQL at the prompt of MySQL, you can manipulate MySQL in the shell.Format: Mysql-hhostname-pport-uusername-ppassword-e "" #!/bin/bashHostname= "192.168.70.161" #数据库服务器地址Por
Tags: mysql automatic backup script#!/bin/bash# Db_user is MySQL username# db_passwd is MySQL password# db_host is MySQL host# -----------------------------Db_user= "Ari"db_passwd= "[Email protected]"db_host= "localhost"# The dire
Recently, I have just entered a new company, and took over a site here, because the site's architectural design is not reasonable, resulting in the pressure of MySQL is always very large, often the locked process of time out, so wrote a section of Linux shell script to kill these processes regularly.
The script is as f
When the site traffic is large, mysql is under a high pressure. when the CPU usage of mysql exceeds 300%, it cannot provide services, and it is almost stuck. at this time, the best way is to restart the mysql service. This is unpredictable. we don't know when mysql's usage reaches 300%, or we need to write a program to make regular judgments. After learning
[[ $delay -le500]];thenechocunzai yanchi "$delay" elseecho "thereplicationdelaytoolarge" $delay ",at$ (date)" > $catalogecho ' uname-n ' |mail[emailprotected]Note that: In the copy, if the row format is the main library time, if not the line, this method can be now () this built-in function in the S script to generate and then writeAbove, in order to monitor MySQL master and slave of the two
Mysqlhotcopy to back up the databaseMysqlhotcopy is a Perl program that was originally written by Tim Bunce. It uses lock tables, flush tables, and CP or SCP to quickly back up databases. It is the quickest way to back up a database or a single table, but it can only run on the same machine as the database file (including the datasheet definition file, data file, index file), and mysqlhotcopy can only be used to back up the MyISAM table.
This backup
Automatically back up MySQL scripts:The following script for MySQL automatic backup script, for reference only, can be modified according to the actual situation. #!/bin/sh #auto backup mysql
Tags: mysql engine shell InnoDBWork Description : After building the Percona XtraDB Cluster (a MySQL architecture, referred to as PXC), you need to import the old MySQL data into new MySQL, but PXC only support the InnoDB table, Non-InnoDB tables cannot be synchronized to th
= "/var/backup/hostname-mysql-data/" # Delete a backup directory that exists greater than the following number of days deleterootoutdays=30# must be the full email address because the front command is used to smtpuser= "[emailprotected]" #smtp:// The protocol is required smtphost= "smtp://smtp.qq.com:25" #密码不能包含又引号防止shell
Tags: mysqld bash rm-rf mysq expr SQL processing plan situationThe cluster of Project 3.0 is built to complete, leaving only the details of the configuration, and the post-security and optimization of processing, taking into account the database data needs to be backed up processing, But daily manual backup processing is too passive, and daytime user access, there will be data changes and in the backup will
Linux shell: mysql bin_log regular cleanup scriptRequirement: 1. automatically process mysql bin log Script 2. Output readable log3, retain logs for one week 4. process all databases in a unified manner. Implementation Process description: Train of Thought: two ways to achieve 1. m
Label:Wrote a more complete MySQL multi-instance start stop script. [[email protected] 3307]#Cat MySQL
#!/bin/sh[ $#! = 1]{Echo"usage:/data/3307/mysql {start|stop}"Exit 0}if[" $"=="Start"];thenif[!-f/data/3307/mysqld.pid];then/application/mysql/bin/mysqld_safe--defaults-file
After the table is built by hash, the data volume of the table is 2048 large, how to verify the table is successful?Logical generate table name this part will not be written. As long as you can build the table successfully, this part of the script must be there. So how do you execute a selec query in the shell and return it?Just add in the scriptmysql-h [IP]-p [port]-u[username]-p[password]-E ' select COUNT
Tags: use. gz upd dump file ops Password bin dirWork with MySQL single-Library backup shell scripts, compress backups, and add scheduled tasks in Crontab, save up to 60 days of backup#!/bin/bash. /etc/profileusername=zabbixpassword=xxxxxdbhost=127.0.0.1databases=zabbixbackupdir=/data/mysqlback/zabbix/ Fulldbdate= ' Dat
1 @echo off2 rem MySQL backup script supports full backup3REM Incremental backup requires MySQL service plus--log-Bin parameter Execution4REM Data restore Mysql-u Root-p Backup.sql5REM =====================6 REM Global Variables7S
mysql| Backup | Scripts can put this script into the crontab, perform it once every morning, and automatically back up
This script executes up to a maximum of one time per day and retains only the last five days of backup on the server.
Code:
#!/bin/bash
#This is a shells
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