Path to Linux / Unix Systems Administrator Post: 302415485

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Top Forums UNIX for Dummies Questions & Answers Path to Linux / Unix Systems Administrator Post 302415485 by rhfrommn on Thursday 22nd of April 2010 04:18:55 PM

04-22-2010

Registered User

One comment I'd have is that a large fraction of the admins I know had an experience in their career where they got thrown in way over their head and they had to learn under pressure. One of my mentors worked at a large bank, and 1 month after becoming a Unix admin the senior admin quit so he ended up in charge of hundreds of workstations and servers by himself.

In my case, 1 year after getting into Unix I was hired to be the middle person of a 3 admin team for a fairly small company. There was supposed to be a very experienced admin hired for the senior position. The day I showed up they told me the senior guy got another job offer and wouldn't be joining the company. So day 1 I ended up in charge of the entire Unix environment for a new company I'd never worked at before! Not long after that, due to layoffs I ended up the only person between both Unix and Storage teams, doing the work that was handled by a team of 6 about a year earlier. It was tons of work and stress having to come up to speed that fast and handle everything on my own. But for the long range career outlook it was great. I had experience and knowledge I never would have gotten working under a more senior admin again.

So, I guess the practical advice for you is to find a way to work on Unix, even if you think it's beyond what you can do. If you truly love it and have the talent and smarts it takes you'll manage to get by and learn more than you ever could reading books. Find a part time or entry level Unix job, or volunteer at the church/school/charity of your choice to work on their Linux or Unix systems, or somthing like that. Find a way to get real world experience even if it seems intimidating at first.

Good luck.

rhfrommn

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LEARN ABOUT LINUX

imqkeytool

imqkeytool(1M)						  System Administration Commands					    imqkeytool(1M)

NAME

       imqkeytool - generate a self-signed certificate for secure communication

SYNOPSIS

       /usr/bin/imqkeytool [-broker] [-servlet keystore_location]

       /usr/bin/imqkeytool -h

DESCRIPTION

       The  imqkeytool	utility  generates a self-signed certificate for secure communication. The certificate can be used by a broker instance to
       establish a secure connection with a client, or by a Message Queue-supplied HTTPS servlet to establish a secure connection  with  a  broker
       instance.  An HTTPS servlet is an SSL-enabled varient of the HyperText Transfer Protocol that establishes a secure connection with a broker
       instance.

       Without an option, imqkeytool generates a self-signed certificate for a broker instance.

       imqkeytool uses command line options to specify whether the certificate is used by a broker instance or by a servlet.

OPTIONS

       The following options are supported:

       -broker

	   Generate a self-signed certificate for the broker and places it in the Message Queue keystore. All broker instances running on a system
	   must use the same certificate.

       -h

	   Display usage help. Do not execute anything else on the command line.

       -servlet keystore_location

	   Generate a self-signed certificate for an HTTPS servlet and places it in keystore_location.

	   keystore_location  refers to the location of the keystore. You should move this keystore to a location where it is accessible and read-
	   able by the Message Queue HTTPS servlet to establish a secure connection with a broker.

ENVIRONMENT VARIABLES

       The following environment variables affect the execution of this command:

       IMQ_JAVAHOME    Specify the Java 2 compatible runtime. When this environment variable is not set it defaults to /usr/j2se.

EXIT STATUS

       The following exit values are returned:

       0	Successful completion.

       >0	An error occurred.

FILES

       /etc/imq/keystore       Contains Message Queue keystore in which imqkeytool stores a self-signed certificate for brokers.

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWiqu			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       imqadmin(1M), imqbrokerd(1M), imqcmd(1M), imqdbmgr(1M), imqobjmgr(1M), imqusermgr(1M), attributes(5)

       Sun Java System Message Queue Administrator's Guide

SunOS 5.10							    11 Mar 2004 						    imqkeytool(1M)