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Synclvodm feeling

Magic AIX command to synchronize informations in VGDA and ODM. I've already use it once but with help of experienced. That was a long time ago so I had to search on web to find out this. It was a very nice feeling. Finally I had the possbility to use some knowledge I gained during education. Finally I felt satisfied that I was on it and it was not just wasted time.

Later I will try to describe the problem and solution using synclvodm. Got to get some sleep now.

Radio Survey

I was contacted by some radio survey girl. I’ve answered couple of questions and finally we get to my family.

G: How old are you?
M: 28
G: What radio station you listen most?
M: Český rozhlas Radiožurnál?

G: Your next family member is men/woman?
M: Woman
G: How old is your wife?
M: 27
G: What radio station she listen most?
M: Český rozhlas Radiožurnál?

At this point I started laught in my head.

G: Your next family member is men/woman?
M: Woman
G: How old is she?
M: 3
G: What radio station she listen most?
M: Český rozhlas Radiožurnál?

Here it seemed to me almost absurd that the girl countinues in the interview.

G: Your next family member is men/woman?
M: Man
G: How old is he?
M: 1
G: What radio station he listen most?
M: Český rozhlas Radiožurnál?

Here I was laughting aloud. I could not bear it. And shw continued.

G: Your next family member is men/woman?
M: Woman
G: How old is she?
M: 0
G: What radio station she listen most?
M: Český rozhlas Radiožurnál?

Absurd. Why did she continued asking those question about my kids? It must have been obvious that they don't choose their radio station, yet.

Back to Tiger

I would love to use Leopard but I can not afford it. I do not wat to steal so I returned to Tiger. Hopefully next year. :( :(

Leopard

I was provided with a copy of Leopard (thanks Sjon) so that I can try what it can do.

Installation - really smooth. no more that 3 next clicks. I did not watch for installation time. But I guess it took around an hour on my Mac Mini G4 1.42MHz

Desktop - really nice. Eyez candy all around. But it seems more dark to me than Tiger.

Spaces - really appreciate this feature. I've missed it since I switched from Linux to OS X

Stacks - looks nice. Did not have much time to use it so far

Quick look - that's something. Really love it.

Finder - looks better, improved. did not test it much yet.

Time Machine - don't have spare external HDD to be able to try it.

Performance - it's more memory hungry. I suppose because of all these eye candy stuff. But it's quite speedy. So far I did not experienced any big performance issue.

It's really nice unfortunatelly I don't have money for it in our budget. I'll have to stick with Tiger because I don't want to steal software. May be someday next year.

Late Shift Action Plan

1.Get up when Borik get's up
2.Dress him, feed him, play with him
3.Apply the steps in point 2. to your self concurrently
4.Think up morning actions
5.Prepare kids to go with you out
6.Morning action
7.Lunch time
8.Go to work
9.Get back from work and go to bed - Borivoj wakes up early ;-)

AIX: Add UDF FS on DVD-RAM

How to create it

udfcreate -d /dev/cd0 #create a UDF file system
udflabel -d /dev/cd0 -l testdvd #Change the label on UDF fs
udfcheck -d /dev/cd0 #Check a UDF fs


And how to use it

mkdir /dvddisk
mount -V udfs -o rw /dev/cd0 /dvddisk


Disable OSX Startup sound

mac osx hint 1.
mac osx hint 2.

AIX: HW SW invenory


prtconf #prints some basic info about your machine
lsdev -CH #lists all customized devices
lsvg #lists all volume groups
lsvg rootvg #lists info about rootvg
lsps -a #lists all paging spaces
lspv #lists all physical volumes
bootlist -om normal #lists bootlist for normal mode of booting
lslpp -a all #lists all installed sw


Can be useful to store before some big change on your AIX server (TL ML upgrade, etc.)

AIX: odmget examples


odmget -q"name=hdisk0" CuDv # get ODM object in the CuDv that describes hdisk0 disk device

odmget -q"name=hdisk0 and attribute=pvid" CuAt # get ODM object that stores the PVID

odmget -q"value3=hdisk0" CuDvDr # get major,minor number of special file for hdisk0

odmget -q"name=rootvg" CuDep # query ODM class to identify all LVs that belong to rootvg

odmget -q"parent=rootvg" CuDv # the same as previous command

Can be usefull when troubleshooting LVM related problems

To reach autumn beauty

To reach autumn beauty, originally uploaded by miromir.

We have had to pass this little stream because of autumn beauty waiting for un on the other side.

It was not that hard after all but I was not very happy when I was asked to do it.

So when we passed we had to climb the hill to reach the meadows on the next shots.

For in KSH

I needed to create some files. I wanted to use seq command but not found on AIX. I had to simulate it with while. Here it is:


#!/bin/ksh
integer i=1
while ((i<5000))
do
# print "$i"
touch $i
i=i+1
done


iNerd

Cífka on her way

iHomework

Sometimes I want to do some work around our new house. It's possible only if you ignore your kids and fullfil your wife's wishes asap.

I was pretty upset yesterday because of short sleep (which was even shorter today). I wanted to do something around house (move some stones) but I was continuously disturbed by various demands (Amálka - dad stop working and come cook with m; Petra - please take those bags upstairs; Borivoj - I fell of my motorbike, save me; Rozálie - I need to change my nappie, I want to sleep, turn me over I want to see my beloved sibilings; etc.). This made me even more upset but finally I did some work. Crashed some stones, moved some stones, arranged some stones and I suddenly felt better.

Conclusion: Physical work makes feel better.

No wonder though, I suppose most of you already knew this.

Thank you my dear

This week my wife is really nice to me. It's hot, I got early shift and she somehow understands it and does not force me to do many things.

Or may be it's because I did not give her any other chance. As I'm quite tired after I get home. Than kids, Bukovinka etc. I simply refuse to help her that much as usual. But anyway I would like to thank her that she does not blame me for it.

I hope I will be more helpful next week. I will have to be as we are moving and there will lot of stuff to prepare and than move. Fortunately it's not so far (7km).

iHOT

Is't hot. It's very hot. It's OK at work because of air-conditioning.

The hot spoils our mood. We are tired. Kids are crying. We are angry.

It's bad.

Don't know how people can live in around Mediterranean Sea, Africa, India and all these locations where average temperature is around 30 degrees of Celsius.

Can't wait till saturday when is weather supposed to cool.

Petruška

Petruška, originally uploaded by miromir.

We have been given Nikon D50. The portrait photos are amazing with it. But the biggest benefit of the photo is the beauty.

iVacationing

What would I wrote? I'm vacationing, that means more fun with kids, more help my wife at home, almost the same time frame at computer at home -> not so many posts, not so many new Flickr photos, etc. etc. etc.

The most important is that I enjoy it. In my job I'm with computers eight hours a day and even now I regret to be writing this post because it simply disturbs my resting from computers.

Just to remember (taken from my wife's blog):

1. Where grows?
   
2. my mother leaves to Turkey and we exchange our cameras (Canon A520 <-> Nikon D50)
3. Amálka's czech language (word forming)
   
4. Trip to Veveří castle - how our kids don't (can't) sleep
   

iBusy

Busy at work, busy at home. I wanted to post at least one post a week but it's become very difficult.

I have some Unix stuff ready but have to be cleared out bit. May be next week.

Movie: Billy Eliot

Stunning. Electric. Funny. Very strong.

I love films about dancing. Go watch it if you like dancing too. Very strong story. I totally love it.

And of-course it's not only about dancing it's also about life in England. Life without mother and wife. How hard it can be for men. How men can be sensible.

You better watch it.

Lonely afternoon

Wife and kids gone. They stayed at Petra's parents and let me enjoy a week without them. This is the firs day and it's OK but I already feel I will miss them tomorrow. Well, I miss them right now but it's no so intensive.

I spend half of the afternoon at the computer than I decided to go out for a while. First I wanted to climb the hill opposite our house but the sun discourage me from it. I went to opposite hill where the old orchard is. As we have been there the weekend before last weekend I knew that I can fine some forest strawberries and cherries. Strawberries were almost all eaten so I had to chose cherries. I climb up one old cherry tree and enjoy. There were not quite fledged but some of them were really delicious. I hope that when I get there at the end of week all of them will be fully fledged. They are BIG and juicy and nothing tastes so good as cherries in the tree-top.

I think that working in tree-top could have positive influence on my performance. I was feeling very good and thought were coming at sudden.

I regret I did not have our camera with me to take pictures during the way home. The air was clean and the light was perfect. I belive I could have taken some nice scenery photos today.

iSecret

I thought that I will hide this blog from my wife. That I keep it secret. No, I'm not that good at it. After some discussion we got to it and I let her read it. I'll keep it like that. I will write me thoughts and moods here, she'll read it and than we'll discuss it. I'm bad in expressing myself directly so we have to use this workaround. Bit stupid, isn't it? But at least something.

Mushrooms

Mushrooms, originally uploaded by miromir.

Teaching my wife how to shot macro with Canon A520.

WWDC 2007 Keynote

I haven't heard it nor seen it not even read it on engadget. I read some comments n Maler.cz. I like the new look of Apple home site. The navigation is better and more ... handy?

Desktop: 3d Dock doesn't make much sense to me but OK. I like the "Stack", it's a good and usefull feature but what for when I'm using Quicksilver.

Finder: Seems to be much improved. Cover Flow is nice but why?

Quick view: can be quite handy but I'm not sure I will use it often

Time machine: yes, I would appreciate something like this but I can live without it. Just copy System disk to External HDD regularly (e.g. weekly) and that's it. Or set up some nifty unix script in crontab and it's automatic.

Spaces: another handy feature. Long time used in Unix world. Don't know why does it take so long for Apple to integrate it in OS X.

Mail: Templates in Mail look very nice and could be usefull too, but mail is for text communication and I prefer it this way.

iChat: I don't use it. My friends prefer Skype.

iCal: I don't use it that much. Google Calendar suits my needs better.

Dashboard: don't use it but it's a good feature.

Safari: I'm not sure if it is the fastest web browser. Opera seems faster to me. But I like Firefox because of it's extensions. Right now I'm playing with Camino and that's OK too. I'm not quite sure which of them I prefer.

Parental Controls: don't use it right now but I'm glad it's there. My kids are growing and soon they will want to use computer.

Boot Camp: I got G4 + Virtual PC. Ok, well, hmm. Why not, sometimes I need Windows. Still I find Parallels or VMWare more useful. But it should be there as a basic feature.

Photo Booth: Don't have built-in iSight so I don't have Photo Booth. Looks nice to play with.

Front Row: don't have it and wish it. But that will come with new Mac sometime in the future.

DVD Player: Ok, looks better. But I'm not sure it's worth it.

Accessibility: don't need it but it should be there as a basic feature.

Automator: I like it very much and the recording feature will be quite help for me sometimes.

So these are the features and my opinion about them. I think I'll upgrade the OS with new Mac which I will buy but don't know when. We are still in setting our home and we would like to buy a house so I'm not sure I'll have enough money soon. May be next year or more probably the year after.

P.S.: I would like to have something like AIX LVM (Logical Volume Manger) in OSX. I'm new to AIX but I love it.

On searching things

Because we can not use Quicksilver/Spotlight/find/grep and others while searching for things around don't let your day spoiled by letting the guild on your wife.

I have that small paper with vital info on the table and this morning couldn't find it. Looking, looking around and nothing. So I thought she must have trough it to waste. I searched the waste. Nothing. Kids. Kids stole it. No. I was getting angry than I calm down and said to myself: "It's not her fault. It's my fault. I should have written it to computer the day I made that record.". I searched a little bit more and finally found it.

Conclusion: Look around first and search deeply. Don't blame your wife or kids for your searching inability. It can save your day.

iWant iBook

In critical times like now I would really appreciate to have it. I'm too kind to my wife and as result I don't have necessary timepiece with computer at home. Right now I need to prepare some stuff for roundtable meeting with fellow owners of flats in our block. And it's too late now for clear mind and thus I go to bed and leave it for tomorrow hoping that I will do it.

Usefull aliases


alias L='ls -FLb'
alias LL='ls -FLlb'
alias a='alias'
alias h='history'
alias j='jobs -l'
alias l='ls'
alias la='ls -la'
alias ll='ls -l'
alias m='less'
alias psx='ps -auxw ¦ grep $1'
alias dux='du -sk * | sort -rn'


Wisdom

"The best and most beautiful things in life cannot be seen, not touched, but are felt in the heart." — Hellen Keller

Fatal mistake

Always, always, I say, express your enthusiasm over your baby's anything!!!

This morning I did not do it. More over when my wife came this morning with our youngest daughter and was expressing how unbelievable it is that she weights the same as our oldest in her tenth mount, I said bit bitterly that I don't thing it's so important. But, yes it is important especially for your lovely wife! I spoiled her morning and she got mad about me and that spoiled my morning because now I have to find out how to fix it.

Damn, I'm such a moron.

Love them Love them not

I love my kids, I love my wife but sometimes I need to do something. So that I have to go to bed on Friday as usual during the early shift week and wake up early to get some private time to do those things. Anyway I should be preparing one meeting agenda and instead I'm writing this post. Well, I already hear the voices from bedroom so I wouldn't get it done anyway.

I have to be more ... simply ... I have to learn to ask my wife to let me to computer or buy another one for myself. Which I would love to but got no money right now. Have to save them for bills.

I want this

Not log time I go I bought a external hard drive - My Book Premium 320GB - and this last addition speed up my Mac Mini so I finally reached the performance which does not slow me down. In fact I'm the snail now.

So, I'm thinking about buying some additions which would enhance tidiness on my desk. Sonet Tech recently released this mount for Mac Mini with which I instantly fall in love. With it you can place your Mini either under the desk or on your LCD if it supports VESA standard. Unfortunately it'll take some time till some distributor or reseller will start selling it in Czech Republic. Till then I'll have to wait or create one by my own (which is highly unprovable).

Afternoon weariness

I had to stay longer at work than pickup some delivery so I came home one and half hour later as usual. I was quite tired because all afternoon I had to focus closely on new thing I was learning and at same time performing on production servers. So I had to be very careful and in the same time also quick. My coach is that kind of guy who is still doing something and it must be very quick. I as opposite need little more time to absorb new knowledge in order to remember it.

So I came home, greet them all - kids, wife and for a while lay down on the floor and than it came. "Can you change his nappies, please.", it was very polite and her weariness was in the voice too but I simply could not do it. We both let him running around with his sister because we was tired. I my self was also bit upset because it's like that almost every day. The first thing after I came is usually "Do something, please." thing. It's pretty irritating sometimes. But I got over it yesterday. Thanks God.

After a while reminder came and I had to go check water consumption. I got up, took paper and pen, changed Borivoj's nappies and took him and Amalka with me. And in that moment I started to feel better. I simply have to learn how to get over it.

Parse line to variables in KSH

I needed to read information from line and store it in separate variables in ksh. After some googling and tests I finally found out the right solution. It's so obvious and simple. I have to learn to think in more simple way. So here it is.

File with infos:

Columns:"volume group" "mount point" "size" "mount group"

datavg /data/test1 10 data
datavg /data/test2 10 data
datavg /data/test3 70 data
datavg /data/test3 10 data


The script:
#!/bin/ksh

#
# Name: genfs.sh
# Auth: Miroslav Pilat
# Date: 5.6.2007
# Desc: Script will create LVs and FSs in described VG.
# Infos are read from genfs.txt
#

F_SRC="genfs.txt"
CNT=0
LPSIZE=16

while read VG MNTP RSIZE MNTG; do

if (( $CNT < 10 )); then
CNTS=00$CNT
else
CNTS=0$CNT
fi


LVNAME="L$VG""_""$CNTS"


if (( $RSIZE < $LPSIZE )); then
LP=1;
else
LP=$(( $RSIZE / $LPSIZE ));
fi

echo "mklv -t jfs2 -y $LVNAME $VG $LP"
echo "crfs -v jfs2 -d /dev/$LVNAME -m $MNTP -u $MNTG -a size=$RSIZE""M"
echo "-----------------------------------------------------------------"

((CNT++))
done < $F_SRC


The bold text in the code section is the magic. It took me almost 2 hours to find out how to do it. It's plain simple. KSH/Bash variable IFS is by default set to space tab new line (\n) so when you read from file or stdin the information is automaticly split in to variables you specify after read command. Very simple.

Some description to the script:
It's not a bulletproof script so it just echos the commands needed for LV and FS creation. Use it on your own risk.

Purpose:
Speed up creation of testing LVM enviroment on AIX machine.

Abbreviations:

• VG - volume group
• LV - logical volume
• FS - filesystem
• IFS - internal field separator

Bad mood

May be I had a bad sleep last night but I don't think so. I got mad yesterday evening when I realized that not many people are found of my computer enthusiasm. Yes, I'm a man and I want to play with my toys. With that I mean my Mac Mini and it's software (iPhoto, iMovie HD, iDVD, Terminal, etc.). But it seems like my wife don't understand it. She find all those tricks which I can do with iMovie quite useless - "do it simple" she says or "is it finished already? I want to see it". Well, she is right. The best things are usually pretty simple. May be that's why I like Unix. It's full of little tools each of them doing just one simple thing but doing it right.

Ohh, seems that I have to do some work. I'll have to finish it other time.

Why

I'm regular married guy and I want some private place where I can cry out. I don't plan to post here very often. I hope it'll help me to improve my written English. As a unix systems administrator and Mac enthusiast I will try to post some remarks or experiences from this field.