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This looks REAL interesting There are some great linux apps out there that are begging for some RS/6000 muscle. http://publib-b.boulder.ibm.com/Redbooks.nsf/RedbookAbstracts/sg246033.html?Open

This is indeed very strange behaviour for the tar command. Send me the output of: echo $PATH whereis tar ls -l [output of above command] ls -l /usr/bin/tar lslpp -l|grep free

You can do this in one of a few ways. 1. Make a mksysb and restore it onto the 4GB disk. This is also a good way of testing if your mksysb's work. Make sure you restore to only the new disk. This way you can back out if something goes wrong. 2. If you are running AIX 4.3.x you can increase the...

Firstly MAKE A BACKUP. Then check your backup. I assume you have added the new disk to the rootvg Volume group. If not, assuming your new disk is hdisk1 use: extendvg rootvg hdisk1 1. Check on which lv /home is: lsfs /home The 1st column is the lv name eg. hd1 2. Check on which disk/s the lv...

Looking at the man page for vmstat (3rd paragraph) it looks like vmstat obtain some statistics through the /dev/kmem device file. See if you have such a file and whether the permissions are correct. My /dev/kmem permissions are: cr--r----- 1 rot system 2, 1 Mar 07 1999 /dev/kmem

It is the number of fixed licenses. Somewhere on your AIX purchase invoice it should state how many licenses you bought or contact IBM. Then change the no. of FIXED licenses to this and REBOOT.

Hi We recently had a security audit on our systems and one of the recommendations was that sendmail (currently 8.9.3) be upgraded to 8.11.3 or later. The versions up until 8.11.3 had security bugs, etc. in them. I ordered and installed the latest maintenance release ( 4330-08), but the sendmail...

Use the chfs command eg. chfs -a size=+value /usr where value=size in 512-byte blocks to increase by. OR smitty chfs I strongly suggest you see the man page 1st.

Can the date output format be changed or is this set?

Try playing with the tcp_sendspace, tcp_recvspace and thewall attributes. See the "no" man pages for exact description of these variables.

What you have is a routing problem. Firstly the modems uses a ppp interface, which is essentially the same as any other interface, eg. ethernet. Since this is 2 different interfaces they should have 2 different subnets. Lets say you have 3 machines. Your dialup win98 machine, the AIX dialup...

I have also found another alternative to ipsec called tcp wrappers. This can be downloaded from http://www.bull.de/pub/ It is the same as that implemented on Linux.

In Linux you have a /etc/hosts.deny and in HP-UX you have /var/adm/inetd.sec. Is there such a facility to block certain IP adresses from accessing an AIX 4.3 system? Thanks Francois

Put something like this in a script and run it from cron: #!/usr/bin/ksh tar -cvf /dev/rmt0 /usr /bespoke success=$? #Anything but 0 means failure if [ $success -ne 0 ] then echo "Backup failed" else echo "Backup successfull" fi or echo "Backup...

You should have said from the begining you wanted to tune Oracle settings. Check out the following redbook: Database Performance on AIX in DB2 UDB and Oracle Environments, SG24-5511-00 http://www.redbooks.ibm.com/redbooks/SG245511.html

The migratepv command makes a mirror copy of the pv first. Once it is happy that the mirror is consistent it "breaks" the mirror and removes the lv's from the old disk. This works well and I have done it a few times, but I would recommend you wait until the system is less active...

#/usr/bin/ksh myscript.sh success=$? if [ $success -eq 0 ]; then echo "script successfull" else echo "Script failed!!!" | mail -s "Myscript" \ me@somehwere.com fi NOTE: myscript.sh must explicitly return a value eg. "return 0" for success or anything...

Hi Try the "fuser -duV /filesystem" command. This will show open files which have been unlinked from the filesystem and the user it belongs to. Using this you can look for processes belonging to that user that could be writing to that file and deal with it.

Hi You need to be a little more specific about what you want to "performance tune". The following 2 redbooks/redpieces should get you started. http://www.redbooks.ibm.com/redpieces/abstracts/sg246184.html http://www.redbooks.ibm.com/abstracts/sg245674.html