AIX Useful commands

Useful commands Memory bootinfo –r    shows how much RAM does my machine has (as root) lsattr –E –l sys0 –a realmem   shows how much RAM does my machine have (as non root) rmss -c 512 rmss -r        sets the memory size to 512 MB resets the memory size to the original one Devices lsattr  -El  en0  ...

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Regaining root's password

Regaining root's password  1) Boot from a cd-rom or a bootable Tape. 2) Press F5 or 5. 3) Select option 3 from installation and maintanance menu: Start maintanance menu for system recovery. 4) Follow the option to activate the root vg and obtain the shell. 5) Once a shell is available then run the passwd command to reset...

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AIX File Systems

# File Systems Types:JFS, EJFS, NFS, CD-ROM File systems # File Systems Structure:Superblock: It contains control information about file systems such as a) Size of the file systems b) Name of the file systems c) The System log device d) The version number e) The number of inodes f) List of free inodes and data-bocks g) Date and time of creation...

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Determine 64 or 32 bit Unix Kernel and HW

Question: How to determine if I'm running 64 bit Unix Kernel ? Answer: User the following commands AIX getconf -a | grep KERN SOLARIS isainfo -vk HP-UX getconf KERNEL_BITS LINUX getconf LONG_BIT Question: How to determine if my Unix Hardware is 64 bit ? Answer: Use the following commands to determine the Hardware Architecture AIX bootinfo...

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AIX Command Crib Sheet

AIX Command Crib Sheet ---------------------------------------------------------------------------- MISCELLENEOUS ---------------------------------------------------------------------------- oslevel Returns operating system level whence (program) Returns full path of program whereis (program) Returms...

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