Aix admin-course-provider-navi-mumbai


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B2/6/2 Vashi ,Navi Mumbai, Contact:09892900103/9892900173

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Aix admin-course-provider-navi-mumbai

  1. 1. Vibrant Technologies & Computers AIX Administration Training Institute Make Career With Us!! B2/6/2 Vashi ,Navi
  2. 2. Audience This basic course is intended for anyone who requires basic AIX/UNIX user skills to be able to work in an AIX environment. This course is also a prerequisite for many courses in the AIX Systems Administration curriculum. Prerequisites You should be familiar with: basic information technology (IT) concepts and the role of an operating system B2/6/2 Vashi ,Navi Mumbai, Contact:09892900103/9892900173
  3. 3. Skills taught Log in to an AIX system and set a user password Use AIX online documentation Manage AIX files and directories Describe the purpose of the shell Use the vi editor Execute common AIX commands and manage AIX processes Customize the working environment Use common AIX utilities Write simple shell scripts Use the AIXWindows Environment Use the Common Desktop Environment B2/6/2 Vashi ,Navi Mumbai, Contact:09892900103/9892900173
  4. 4. AIX history: IBM had 2 discrete Power Architecture hardware lines, based on different Operating Systems: - OS/400, later i5/OS, more later IBM i - AIX (on the same hardware it is possible to run Linux as well) I. 1986-1990 (AS/400 - IBM RT): In 1986 AIX Version 1 had been introduced for the IBM 6150 RT workstation, which was based on UNIX. In 1987 for the other product line: OS/400 (later i5/OS and IBM i), the platform (hardware) AS/400 had been released. B2/6/2 Vashi ,Navi Mumbai, Contact:09892900103/9892900173
  5. 5. II. 1990-1999 (RS/6000): Among other variants, IBM later produced AIX Version 3 (also known as AIX/6000), for their IBM POWER-based RS/6000 platform. The RS/6000 family replaced the IBM RT computer platform in February 1990, and was the first computer line to see the use of IBM's POWER and PowerPC based microprocessors. Since 1990, AIX has served as the primary operating system for the RS/6000 series. III. 2000-2004 (eServer pseries): IBM eServer was a family of computer servers from IBM Corporation. Announced in the year 2000, it combined the various IBM server brands (AS/400, RS/6000...) under one brand. The various sub-brands were at the same time rebranded from: - IBM AS/400 to IBM eServer iSeries, i for Integrated. - IBM RS/6000 to IBM eServer pSeries, p for POWER ... B2/6/2 Vashi ,Navi Mumbai, Contact:09892900103/9892900173
  6. 6. IV. 2004-2008 (IBM system i and p): In 2005 announced a new brand, 'IBM System' as an umbrella for all IBM server and storage brands: - IBM eServer iSeries became IBM System i - IBM eServer pSeries became IBM System p ... V. 2008-2010 (Power Systems): In April of 2008, IBM officially merged the two lines of servers and workstations under the same name, Power Systems, with identical hardware and a choice of operating systems, software and service contracts. Power Systems is the name of IBM's unified Power Architecturebased server line, merging both System i and System p server platforms, and running either IBM i (formerly i5/OS and OS/400), AIX or Linux operating systems. Power Systems was announced April 2, 2008. B2/6/2 Vashi ,Navi Mumbai, Contact:09892900103/9892900173
  7. 7. How can I find out what command is respawning too rapidly and filling up my wtmp file? A common situation is that the init process is repeatedly attempting to start a failing process. The init man page describes what happens when init finds an entry is being respawned: If the init command finds that it is continuously running an entry in the /etc/inittab file (more than five times in 225 seconds), it assumes that an error in the entry command string exists. It then prints an error message to the console and logs an error in the system error log. After the message is sent, the entry does not run for 60 seconds. B2/6/2 Vashi ,Navi Mumbai, Contact:09892900103/9892900173
  8. 8. the error continues to occur, the command will respawn the entry only five times every 240 seconds. The init command continues to assume an error occurred until the command does not respond five times in the interval, or until it receives a signal from a user. The init command logs an error for only the first occurrence of the error. To find out what is being respawned use the steps below. 1. Check the console or console logs Check on the console to see if init is writing an error message similar to the one below: 0 Thu Jan 22 10:16:27 EST 2009 INIT: Command is respawning too rapidly. Check for possible errors. B2/6/2 Vashi ,Navi Mumbai, Contact:09892900103/9892900173
  9. 9. id: xvfb "/usr/bin/X11/X -force -vfb -x abx -x dbe -x GLX :1 &" Or search through the console log using the alog command: # alog -t console -o | more 2. Check errpt Next there may be an entry in the errpt output with the label "INIT_RAPID" like below: LABEL: INIT_RAPID IDENTIFIER: 3A30359F Date/Time: Wed Jan 28 10:14:17 2009 Sequence Number: 1789 Machine Id: 00CC2F914C00 B2/6/2 Vashi ,Navi Mumbai, Contact:09892900103/9892900173
  10. 10. Node Id: libgng Class: S Type: TEMP AIX Overview AIX stands for Advanced Interactive eXecutive AIX is IBM’s version of the UNIX operating system. AIX, IBM’s version of UNIX competes with Microsoft Windows server operating systems, and other proprietary UNIX operating systems such as, Oracle’s Sun Solaris, Hewett Packard’s HP-UX, and Tru64 Unix. AIX is mainly used for enterprise business computing. B2/6/2 Vashi ,Navi Mumbai, Contact:09892900103/9892900173
  11. 11. A word on Linux  Linux is a clone of the UNIX operating system. It is technically not considered UNIX.  The first Linux kernel was developed by Linus Trorvalds in 1991.  Linux’s origins are found in the MINX operating system project which was a minimal Unix like operating system used for educational purposes, etc. It was released in 1987. Linux actually started because Linus was frustrated with the licensing of the MINIX operating system.  There are many different distributions of the Linux operating system, aimed for different things, the two most used in the business computing world however are: Novell Suse Linux and Red Hat Linux used mostly in Europe and in the U.S. respectively. B2/6/2 Vashi ,Navi Mumbai, Contact:09892900103/9892900173
  12. 12. IBM PowerVM IBM PowerVM – Licensed software/firmware feature which enables IBM virtualization technology on IBM POWER systems. IBM PowerVM was formerly known as APV – Advanced Power Virtualization. IBM PowerVM is available in three editions: -IBM PowerVM Express Edition -IBM PowerVM Standard Edition -IBM PowerVM Enterprise Edition Each edition offers specific limitations, or additional B2/6/2 Vashi ,Navi Mumbai, Contact:09892900103/9892900173
  13. 13. HMC – Hardware Management Console To access the HMC web interface. Access the following URL from your web browser: https://IP_ADDRESS_OR_RESOLVED_HOSTNAME_OF_HMC The IBM factory default login credentials of the HMC are as follows: Login: hscroot Password: abc1234 There is very, very limited root access to the Linux operating system on the HMC. IBM technical support will have to assist you in gaining “real” Linux root access, if needed. B2/6/2 Vashi ,Navi Mumbai, Contact:09892900103/9892900173
  14. 14. HMC – Hardware Management Console - 7042-C06 desk side HMC model: B2/6/2 Vashi ,Navi Mumbai, Contact:09892900103/9892900173
  15. 15. Where to Get More Information Vibrant Group: Vibrant Technologies & Computers Vibrant HR Team B2/6/2 Vashi ,Navi Mumbai, Contact:09892900103/9892900173