Linux commands: Difference between revisions

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== mysql operation ==
== mysql operation ==
import MySql sql dump file
=== import MySql sql dump file ===
* Import *.sql file:  
* Import *.sql file:  
*# (optional if the .sql file was compressed) {{kbd | key =unzip data.zip}}
*# (optional if the .sql file was compressed) {{kbd | key =unzip data.zip}}
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*# enter {{kbd | key =  <nowiki>password</nowiki> }} and press {{kbd | key =  <nowiki>Enter</nowiki> }}
*# enter {{kbd | key =  <nowiki>password</nowiki> }} and press {{kbd | key =  <nowiki>Enter</nowiki> }}


* Import the *.sql file (especially for BIG sql file). It will show a progress bar and estimate time to complete the mysqldump<ref>[http://dba.stackexchange.com/questions/17367/how-can-i-monitor-the-progress-of-an-import-of-a-large-sql-file mysql - How can I monitor the progress of an import of a large .sql file? - Database Administrators Stack Exchange]</ref>:  
* Import the *.sql file (especially for BIG sql file). It will show a progress bar and estimate time to complete the mysql command<ref>[http://dba.stackexchange.com/questions/17367/how-can-i-monitor-the-progress-of-an-import-of-a-large-sql-file mysql - How can I monitor the progress of an import of a large .sql file? - Database Administrators Stack Exchange]</ref>:  
*# (optional if the {{kbd | key =pv}} was not installed) {{kbd | key =yum install pv}} for RHEL / CentOS / SL / Fedora Linux<ref>[http://www.cyberciti.biz/open-source/command-line-hacks/pv-command-examples/ Linux / Unix pv Command: Monitor Progress of Data Sent Via a Pipe]</ref>
*# (optional if the {{kbd | key =pv}} was not installed) {{kbd | key =yum install pv}} for RHEL / CentOS / SL / Fedora Linux<ref>[http://www.cyberciti.biz/open-source/command-line-hacks/pv-command-examples/ Linux / Unix pv Command: Monitor Progress of Data Sent Via a Pipe]</ref>
*# {{kbd | key =  <nowiki>pv data.sql | mysql -u username -p -h localhost DATA-BASE-NAME</nowiki>}} <ref>[http://www.cyberciti.biz/faq/import-mysql-dumpfile-sql-datafile-into-my-database/ Import MySQL Dumpfile, SQL Datafile Into My Database]</ref> and press {{kbd | key =  <nowiki>Enter</nowiki> }}
*# {{kbd | key =  <nowiki>pv data.sql | mysql -u username -p -h localhost DATA-BASE-NAME</nowiki>}} <ref>[http://www.cyberciti.biz/faq/import-mysql-dumpfile-sql-datafile-into-my-database/ Import MySQL Dumpfile, SQL Datafile Into My Database]</ref> and press {{kbd | key =  <nowiki>Enter</nowiki> }}
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* Import ZIP file to MySql directly:
* Import ZIP file to MySql directly:
*# {{kbd | key = <nowiki>7za x -so data.zip | mysql -u username -p -h localhost DATA-BASE-NAME</nowiki>}} <ref>[http://stackoverflow.com/questions/11267309/importing-zipped-files-in-mysql-using-command-line database - Importing zipped files in Mysql using command line - Stack Overflow]</ref><ref>[http://needs-be.blogspot.tw/2011/01/install-7zip-on-centos-55.html Install 7Zip on CentOS 5.5]</ref> and press {{kbd | key =  <nowiki>Enter</nowiki> }}
*# {{kbd | key = <nowiki>7za x -so data.zip | mysql -u username -p -h localhost DATA-BASE-NAME</nowiki>}} <ref>[http://stackoverflow.com/questions/11267309/importing-zipped-files-in-mysql-using-command-line database - Importing zipped files in Mysql using command line - Stack Overflow]</ref><ref>[http://needs-be.blogspot.tw/2011/01/install-7zip-on-centos-55.html Install 7Zip on CentOS 5.5]</ref> and press {{kbd | key =  <nowiki>Enter</nowiki> }}
*# enter {{kbd | key =  <nowiki>password</nowiki> }} and press {{kbd | key =  <nowiki>Enter</nowiki> }}
=== export MySql sql dump file ===
* export the *.sql file
*# {{kbd | key =  <nowiki>mysqldump -h localhost -u username -p DATA-BASE-NAME > /path/to/database.sql </nowiki>}}
* export the *.sql file (especially for BIG sql file). It will show a progress bar and estimate time to complete the mysqldump<ref>[http://dba.stackexchange.com/questions/17367/how-can-i-monitor-the-progress-of-an-import-of-a-large-sql-file mysql - How can I monitor the progress of an import of a large .sql file? - Database Administrators Stack Exchange]</ref>:
*# (optional if the {{kbd | key =pv}} was not installed) {{kbd | key =yum install pv}} for RHEL / CentOS / SL / Fedora Linux<ref>[http://www.cyberciti.biz/open-source/command-line-hacks/pv-command-examples/ Linux / Unix pv Command: Monitor Progress of Data Sent Via a Pipe]</ref>
*# {{kbd | key =  <nowiki>mysqldump -h localhost -u username -p DATA-BASE-NAME | pv | gzip -c > database.sql.gz</nowiki>}} <ref>[http://journal.andrewloe.com/2009/05/12/pv-gzip-mysql/ pv + gzip + mysql — W. Andrew Loe III: Journal]</ref><ref>{{kbd | key =  <nowiki>mysqldump -h localhost -u username -p --lock-tables=false DATA-BASE-NAME | pv | gzip -c > database.sql.gz</nowiki>}} via [http://stackoverflow.com/questions/104612/run-mysqldump-without-locking-tables mysql - Run MySQLDump without Locking Tables - Stack Overflow]</ref> and press {{kbd | key =  <nowiki>Enter</nowiki> }}
*# enter {{kbd | key =  <nowiki>password</nowiki> }} and press {{kbd | key =  <nowiki>Enter</nowiki> }}
*# enter {{kbd | key =  <nowiki>password</nowiki> }} and press {{kbd | key =  <nowiki>Enter</nowiki> }}


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