Category: Unix

Interview questions of Unix

August 8, 2016 by Arti Khedkar

Filed under Unix

Last modified August 8, 2016

Interview questions of Unix What is UNIX? What are filters? What is a typical syntax being followed when issuing commands in shell? Is there a way to erase all files in the current directory, including all its sub-directories, using only one command? What is the chief difference between the –v and –x option s to set? What is Kernel? What is Shell? How to remove …

AIX Administrator Interview Questions and Answers

July 15, 2016 by S4

Filed under AIX, Unix

Last modified July 26, 2016

AIX Administrator Interview Questions and Answers 1. A company’s current server configuration (which is also sufficient for the software installed )is : hard disk =10GB memory =512 The division is planning to expand rapidly and users are expected to double in size within six months. What server should the division start with: a> 2 processors, 1GB memory, 20GB hard disk space b> 4 processors, 1GB …

Install AIX from a Linux Server Using NIM on Linux

July 12, 2016 by S4

Filed under AIX, Linux, Unix

Last modified July 26, 2016

Install AIX from a Linux Server Using NIM on Linux Network Installation Management (NIM) on Linux (NIMOL) provides basic AIX software administration services from a Linux server. The NIMOL RPM included in the AIX product media provides basic NIM functionality for a Linux server. While using a pSeries NIM Server for AIX client management provides more functionality, NIMOL provides the following functions on Linux servers: …

Quick Guide to iSCSI on Linux and Solaris

July 12, 2016 by S4

Filed under Linux, Unix

Last modified July 15, 2016

A Quick Guide to iSCSI on Linux and Solaris Introduction More and more it appears that iSCSI isn’t going away, but might just be here to stay for awhile. In a nutshell, iSCSI is simply the pairing of the “best” of both NAS (using NFS or CIFSs over IP Ethernet networks) and SAN (Fibre Channel Fabrics) technologies. What you ultimately get is a protocol that …

Backing up AIX to a CD

July 11, 2016 by S4

Filed under AIX

Last modified July 15, 2016

Backing up AIX to a CD Ensuring you have a current backup of your operating system is essential to ensure a smooth upgrade. Learn how to back up your current environment and then restore it on your new server. This procedure provides information about how to back up the IBM(r) AIX(r) operating system to a CD. This procedure assumes that your server might not have …

AIX Alternate Disk Installation

July 11, 2016 by S4

Filed under AIX, Unix

Last modified July 15, 2016

AIX Alternate Disk Installation     On System where the downtime is critical, AIX offers an additional way to install a system. The Alternate Disk Installation allows installing a system while it is still up and running, thus decreasing the installation or down time.   Alternate Disk Installation is used for: Installation of mksysb image on another disk, for example a mksysb from a machine …

AIX Paging space commands

July 11, 2016 by S4

Filed under AIX

Last modified July 15, 2016

AIX Paging space commands 1.How do I determine the amount of paging space allocated and in use? Type the following: lsps -a 2.How do I increase a paging space? You can use the chps -s command to dynamically increase the size of a paging space. For example, if you want to increase the size of hd6 with 3 logical partitions, you issue the following command: …

AIX Simultaneous Multi-threading (SMT)

July 11, 2016 by S4

Filed under AIX

Last modified July 15, 2016

AIX Simultaneous Multi-threading (SMT) 1.How would I know if my system is capable of using Simultaneous Multi-threading (SMT)? Your system is capable of SMT if it’s a POWER5-based system running AIX 5L Version 5.3. 2.How would I know if SMT is enabled for my system? If you run the smtctl command without any options, it tells you if it’s enabled or not. Is SMT supported …

AIX Filesets Commands

July 11, 2016 by S4

Filed under AIX

Last modified July 15, 2016

AIX Filesets Commands   1.Which fileset contains a particular binary? To show bos.acct contains /usr/bin/vmstat, type:   lslpp -w /usr/bin/vmstat   Or to show bos.perf.tools contains /usr/bin/svmon, type:   which_fileset svmon   2.How do I display information about installed filesets on my system?   Type the following:   lslpp -l   3.How do I determine if all filesets of maintenance levels are installed on my …

AIX User Administration

July 11, 2016 by S4

Filed under AIX

Last modified July 15, 2016

AIX User Administration   Contents Introduction Standard Operating Procedure – AIX User Administration 2.1) AIX user administration related command. 2.2) AIX user administration task. Adding a new user account Removing a user Displaying a user attributes Create or changing the user password changing the user attributes 2.3) Common login errors. 2.4)AIX user administration related files. Acronyms and Definitions Reference 1.) Introduction: This document provides the …