https://old.andunix.net/ 2026-06-03T21:19:58+00:00 https://old.andunix.net/ https://old.andunix.net/_media/favicon.ico text/html 2013-03-01T20:36:05+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/info/oracle/spfile_and_pfiles Oracle: SPFile and PFiles Oracle reads its parameters from a file called “SPFile”. You can't change it directly as it's a binary file. Additionally, Oracle can read the parameters from “PFiles”, which are regular text files. Create PFile To export the SPFiles to a PFile, just enter the following in SQLplus: text/html 2013-03-01T20:26:48+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/info/oracle/accounts_with_objects Oracle: List Accounts with Objects To list all accounts (users) the objects (like tables), you can query them with: SELECT DISTINCT OWNER FROM DBA_OBJECTS ORDER BY OWNER; If you want to list all accounts, you can query them with: SELECT USERNAME FROM ALL_USERS ORDER BY USERNAME; text/html 2016-01-25T11:49:04+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/info/mysql/user/create MySQL: Create User Create User CREATE USER '{user}'@'%' IDENTIFIED BY '{passwd}'; Create User and Database * Usually, {user} == {db} CREATE USER '{user}'@'%' IDENTIFIED BY '{passwd}'; GRANT USAGE ON * . * TO '{user}'@'%' IDENTIFIED BY '{passwd}' WITH MAX_QUERIES_PER_HOUR 0 MAX_CONNECTIONS_PER_HOUR 0 MAX_UPDATES_PER_HOUR 0 MAX_USER_CONNECTIONS 0 ; CREATE DATABASE IF NOT EXISTS `{db}`; GRANT ALL PRIVILEGES ON `{db}` . * TO '{user}'@'%'; text/html 2013-03-01T20:30:32+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/info/oracle/sqlplus_scripting Oracle: SQLplus Scripting To show only data in SQLplus and no header or other stuff, enter the following: SET NEWPAGE 0 SET SPACE 0 SET LINESIZE 80 SET PAGESIZE 0 SET ECHO OFF SET FEEDBACK OFF SET VERIFY OFF SET HEADING OFF SET MARKUP HTML OFF SPOOL OFF text/html 2013-03-01T20:38:48+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/info/oracle/resize_instance Oracle: Resize Instance In this example, the SGA will be resized to 6GB and the PGA to 2GB. First, change the SPFile: ALTER SYSTEM SET pga_aggregate_target = 2G SCOPE=SPFILE; ALTER SYSTEM SET sga_target = 6G SCOPE=SPFILE; Then, (optionally) export the SPFile to a PFile: text/html 2013-02-04T22:17:27+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/info/mysql/user/remove MySQL: Remove User Remove User DROP USER '{user}'@'%'; Remove User and Database * Usually, {user} == {db} DROP USER '{user}'@'%'; DROP DATABASE '{db}'; admin database mysql sql text/html 2013-12-17T09:09:25+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/info/mysql/user/password MySQL: Change Password * Replace {passwd} with the password of the user. * Replace {user} with the name of the user. GRANT USAGE ON *.* TO '{user}'@'%' IDENTIFIED BY '{passwd}'; FLUSH PRIVILEGES; Or you can alternatively use the following: UPDATE mysql.user SET Password=PASSWORD('{passwd}') WHERE User='{user}'; FLUSH PRIVILEGES; text/html 2013-02-04T22:17:25+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/info/mysql/database/create MySQL: Create Database Create Database CREATE DATABASE IF NOT EXISTS `{db}`; Create Database and Grant Rights to a User CREATE DATABASE IF NOT EXISTS `{db}`; GRANT ALL PRIVILEGES ON `{db}` . * TO '{user}'@'%'; admin database mysql sql text/html 2013-02-04T22:17:25+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/info/mysql/database/backup MySQL: Backup Export a Database # set or replace the variables $USER, $PASS and $DB mysqldump --add-drop-table -u${USER} -p${PASS} ${DB} Export all Databases individually # set or replace the variables $USER and $PASS DATE_YMD=$(date "+%Y-%m-%d") DATABASES=$(mysql --batch -u${USER} -p${PASS} mysql --execute='show databases') for db in ${DATABASES} do mysqldump --add-drop-table -u${USER} -p${PASS} ${DB} > ${DB}_${DATE_YMD}.sql & bzip2 ${DB}_${DATE_YMD}.sql & # sleep 10 # option… text/html 2013-02-04T22:17:26+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/info/mysql/permissions/revoke MySQL: Revoke Permissions Revoke Permissions REVOKE ALL PRIVILEGES ON `{db}` . * FROM '{user}'@'%'; admin database mysql sql text/html 2013-02-04T22:17:26+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/info/mysql/permissions/grant MySQL: Grant Permissions Grant Permissions GRANT ALL PRIVILEGES ON `{db}` . * TO '{user}'@'%'; admin database mysql sql text/html 2013-02-04T22:17:26+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/info/mysql/permissions/view MySQL: View Permissions View Permissions SHOW PRIVILEGES; SHOW GRANTS FOR '{user}'@'%'; admin database mysql sql text/html 2013-02-04T22:17:25+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/info/mysql/database/remove MySQL: Remove Database Remove Database DROP DATABASE IF EXISTS `{db}`; admin database mysql sql text/html 2013-03-01T20:24:52+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/info/oracle/rman Oracle: Recovery Manager Start Recovery Manager rman target / Delete Archive Logs Delete all archive logs but keep the last 45 days: DELETE ARCHIVELOG ALL COMPLETED BEFORE 'SYSDATE -45'; To remove archive logs older than 3 days without prompting, e.g. via cron, after backup run: text/html 2013-09-02T20:37:01+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/info/prog/firefox/extensions Firefox Extensions Browsing Extensions Extension Description Adblock Plus A must-have. Blocks all these blinking ads which are so anoying. Greasemonkey Customize webpages using JavaScript. WOT, Web of Trust Information about the reputation of a page. Self-Destructing Cookies Removes cookies after closing the tab or navigating to another site.