02-06-2011
Unix/Linux System Administrator - Study Advice
Hello all,
I really hope that this is the right Forum to post this kind of a question...
I have been working in the IT support industry for nearly 3 years now. I started of providing end-user support. So enough to say that I provided my fair share of "have you tried turning it off and on" solutions and did more password resets then is medically healthy for one... Anyway, to make a long story short I am now supporting HP-UX and Linux (SUSE and Red Hat) in mostly business critical environments for a living.
Although I am very happy with my current job I do of course sometimes wonder what my next position might be... And this is exactly where I need some help with. The logical next step (in my opinion at least) is to become a (Junior) System Administrator (which has been pretty much my goal when I started 3 years ago). However, providing support for Unix/Linux issues is obviously quite different from actually managing a couple of these servers. I must say that over the years I have become quite good at researching issues and documenting solutions... But at the same time I do not feel overly confident about mu administration skills.
So what I really like to know (hopefully from some experienced Unix/Linux system administrators) is how to proceed to the next level. How do I move from a support job into a administrator job? Or maybe even better, how did you manage to get there?
What I am especially interested in is:
- what certificate/course would you recommend me taking?
- what topics should I focus on?
- what else do you recommend me doing to make the transition as smooth as possible?
I was thinking to do the following:
- try to get the RHCSA (or possibly RHCE) certification under my belt
- focus on shell scripting (maybe Perl)
What are your thoughts? Keep in mind that I am currently living and working in Europe (not sure if that makes a difference?).
Thanks in advance for your time and suggestions!
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LEARN ABOUT CENTOS
tk_focusfollowsmouse
tk_focusNext(n) Tk Built-In Commands tk_focusNext(n)
__________________________________________________________________________________________________________________________________________________
NAME
tk_focusNext, tk_focusPrev, tk_focusFollowsMouse - Utility procedures for managing the input focus.
SYNOPSIS
tk_focusNext window
tk_focusPrev window
tk_focusFollowsMouse
_________________________________________________________________
DESCRIPTION
tk_focusNext is a utility procedure used for keyboard traversal. It returns the "next" window after window in focus order. The focus order
is determined by the stacking order of windows and the structure of the window hierarchy. Among siblings, the focus order is the same as
the stacking order, with the lowest window being first. If a window has children, the window is visited first, followed by its children
(recursively), followed by its next sibling. Top-level windows other than window are skipped, so that tk_focusNext never returns a window
in a different top-level from window.
After computing the next window, tk_focusNext examines the window's -takefocus option to see whether it should be skipped. If so,
tk_focusNext continues on to the next window in the focus order, until it eventually finds a window that will accept the focus or returns
back to window.
tk_focusPrev is similar to tk_focusNext except that it returns the window just before window in the focus order.
tk_focusFollowsMouse changes the focus model for the application to an implicit one where the window under the mouse gets the focus. After
this procedure is called, whenever the mouse enters a window Tk will automatically give it the input focus. The focus command may be used
to move the focus to a window other than the one under the mouse, but as soon as the mouse moves into a new window the focus will jump to
that window. Note: at present there is no built-in support for returning the application to an explicit focus model; to do this you will
have to write a script that deletes the bindings created by tk_focusFollowsMouse.
KEYWORDS
focus, keyboard traversal, top-level
Tk 4.0 tk_focusNext(n)