Basic Linux Commands for Oracle

Listed down some of the basic commands which will help you while administering or implementing Oracle on linux.

Password Files: #cat /etc/passwd

Group File: #/etc/group

Create User: #useradd

Delete User: #userdel

Modify User Account : #usermod

Performance Monitor: #top

System Activity Reporter: #sar

Virtual Memory Statistics: #vmstat

IO Statistics: #iostat

Display Swap Size: #free

Activate Swap: #swapon -a



Network IP configuration files: #cd /etc/sysconfig/network-scripts/

Host file : #cat /etc/hosts

NIC Configuration: #ifconfig -a

File system table: # cat /etc/fstab

Check free disk: #df -k

Disk label: #fdisk -l

Display Volume Group: #vgdisplay -v

Physical volume list: #pvdisplay

List logical volume: #lvdisplay

Check physical RAM: #free

NTP configuration file: #cat /etc/ntp.conf

Install RPM: #rpm -i rpm_name

Uninstall RPM: #rpm -e rpm_name

List installed RPM: #rpm -qa

CPU info: #cat /proc/cpuinfo

Get OS kernel: #uname-r

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