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Starting oracle listener $ lsnrctl start Start the database $ dbstart Starting oracle Enterprise manager $ emctl start dbconsole Shutting down the database $ dbshut Stopping the listener $ lsnrctl stop Stopping oracle Enterprise manager $ emctl stop dbconsole Starts sqlplus without logging in to a database # su […] A schema is a collection of database objects. A schema is owned by a database user and has the same name as that user. Schema objects are logical structures created by users to contain, or reference, their data. Schema objects include structures like tables, views, and indexes. $ sqlplus /nolog SQL> connect / as sysdba […] mount -t iso9660 -o loop file.iso /mnt # Mount a CD image # mount -t ext3 -o loop file.img /mnt # Mount an image with ext3 fs # mount -o loop file.iso /mnt # extract an iso image to mnt Remount a device without unmounting it. # mount -o remount,ro / Copy the raw […] # hdparm -I /dev/sda —— information about the IDE/ATA disk (Linux) / disk performance # fdisk /dev/sda6 —— Display and manipulate the partition table # smartctl -a /dev/sda1 — Display the disk SMART info # diskinfo -v /dev/ad2 —- information about disk (sector/size) FreeBSD # dmidecode ——- dmidecode is a tool for dumping a computer’s […] |
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