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You will learn faster if you do your own homework.

The obvious answer is to open the firewall. That said...

Routing is generally straightforward. If the target address matches a local route, use it. If not, use the default route.

In this...

If the routes are in ODM, they will be configured at boot. You can configure these routes anytime with "mkdev -t inet".

However, the "x.x.202.129" route is not valid for en4, since that interface...

The default shell of AIX is /bin/ksh (ksh88) and it uses an inefficient stack system. When you code the form "for i in <splat>" then ksh attempts to put <splat> on the stack. You're running out of...

Using Enhanced-Concurrent VGs is great, but it's recommended that the disks have their reserve policy set to "no_reserve" if possible. This will prevent any ill-behaved programs from opening a disk...

I want to verify a mounted NFS filesystem mountpoint. It's fine if I use stat() while the NFS server is active, but when the server is down for this hard mount, the stat() hangs indefinitely.
...

That's very odd. On my Leopard OSX box, "grep" works exactly as I would expect (that is, "-i" causes it to ignore case).

I don't use Firefox so I can't check, but I would suspect that the "F" in...

The sed expression above is missing a forward-slash.

Or wait, no it's not. That DOES look right! Weird, nevermind. Maybe this version of sed uses "$1" instead of "\1"??

Bah! Use 'awk':

awk '/^CREATE VIEW/ && !/OPSDM02/{$3="OPSDM02."$3};{print}' infile > outfile


It gets a bit more compliated if the string "CREATE VIEW" really needs to be case-insensitive. ...

You might be looking for this hint (http://www.macosxhints.com/article.php?story=20050706132737731&lsrc=osxh).

The NFS server must be able to reverse-resolve the client IP address. That is, if your client is "10.3.41.22" then you chould be able to run "host 10.3.41.22" on the NFS server and get a name back.

The output from "wc" usually has some embedded whitespace, which can prevent the shell from treating it like a number:

# num=$(wc -l < /etc/hosts)
# echo "NUM='$num'"
NUM=' 1605' ...

# list text files
ls *.txt

# list text files that begin with a number
ls [0-9]*.txt


Etcetera, etcetera.

The "tail" command is not a shell builtin, so the shell should have no impact.

If the arrow keys are not working as expected, your $TERM is probably not set correctky.

Well, "$FIND_STRING" is being evaluated in that the variable name is being replaced with the variable contents. However, the contents themselves are not being evaluated...that would be...

# FILE=mybigfile.txt

# ls -l $FILE
-rw-r--r-- 1 root staff 14639794 Aug 22 2006 mybigfile.txt

# awk 'BEGIN{"ls -l " "'$FILE'"|getline;printf "%s %5.2fMiB\n",$NF,$5/2^20}'...

And this is why it's not working. Your login shell spawns a child shell to run this script, and the child environment is discarded when the script exits; the parent shell (your login shell) is...

This is what I use to change the window title (ksh):


# Change the Xwindow title to given argument(s); default arg is hostname
function namewin {
typeset TITLE=${@:-$(hostname|awk -F. '{print...

IBM was porting AIX to Intel for Itanium back in 2000-2001 (Project Monterey), but delays in the chip release got IBM to shelve the project. One of the challenges was making the code...

Perl is quite elegant at doing many things, such as parsing/regurgitating output. If you just need to batch-rename a couple of files, well then even csh can do that!

I will, on occasion, use a...

Ah, you want the shell to parse "$C$x" as "$C1" but instead it is doing "$C" + "$x". So, you need to force it to evaluate $x first.


# C1=abc
# x=1
# echo $C$x
1
# eval echo \$C$x
abc

...

The prefix "NNN#" in front of a number indicates the numeric base. From the ksh man page:



The typeset options are "-i" for "integer", and "-u" for "uppercase". But, since A was already typed...

You can do quite a bit of debugging in SMIT. Try something like this:


smit -D -l /tmp/smit.debug users


This is debug mode logging to an alternate file. When I do this on my system, smit...

The command you're looking for is "lslpp -h".

pSeries and AIX Information Center - lslpp command...

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