Tuesday, September 22, 2009

Print UNIX pipe character ("|") in Blogger

In order to get the UNIX pipe character ("|") printed in blogger, do the following:

Always use the "Edit Html" tab for posts containing the pipe character and NOT the Compose tab.

The ASCII value for the pipe character is "& # 124 ;" (I am delibrately using whitespace in betwen the ASCII value. Please remove them before using).

Thanks for Greg Houston's blog and this thread for pointing me in the right direction.

Tuesday, September 8, 2009

Get R12 Login URL from Command Prompt

A quick question before getting started with today's subject. How does one retrieve the url of an instance? Suppose you were asked to work (or login to the front end) on an instance of which you know only the server names, how do you find the login URL?

There are 2 methods (of course, there might be more but I've listed the ones that I use the most) to retrieve the login URL information:

1. Login to sqlplus as apps and query the table icx_parameters for the home_url.

2. Better still and much faster than the above method would be to issue the below command. The output would be nothing but the value for the env variable FORMS60_MAPPING.

$ env | grep http


I prefer the 2nd method over the 1st.

Anyway, to my surprise and dismay, I found out that R12 does NOT set the above env variable. So, the quick recourse to getting the login URL is ruled out or is it?

I have written a shell script to get/set the env variable. You can access it here.

Let me know if you notice any errors or have any comments/suggestions.

Wednesday, September 2, 2009

Find the number of CPUs and RAM size in UNIX

I have tried to collate commands to find the number of CPUs and total physical memory (RAM) size in all common flavours of UNIX in one blog entry. This certainly is not an exhaustive list and will be modified as and when I find new commands. You are also more than welcome to add to this list.



Number of CPUs



Sun SPARC Solaris


1. prtconf | grep cpu | wc -l


2. psrinfo | wc -l


3. psrinfo -v | grep "Status of" | wc -l


4. psrinfo -vp


5. prtdiag | grep "on-line" | wc -l


6. mpstat | grep -vi cpu | wc -l




Linux


1. grep "processor"/proc/cpuinfo | wc -l




HP-UX


1. ioscan -kfnC processor | grep "processor" | wc -l


2. sar -M 1 | awk 'END {print NR-5}'


3. sar -Mu 1 1 | awk 'END {print NR-5}'


4. ioscan -kf | grep -c processor


5. cat /var/adm/syslog/syslog.log | grep processor | grep "vmunix" | wc -l



AIX


1. lscfg -vp | grep proc | wc -l


2. lparstat -i | grep "Online Virtual CPUs" | cut -d ':' -f2


3. lsdev -C | grep Process | wc -l


4. lsdev -Ccprocessor | grep -ci available




Total Physical Memory (RAM) Size


Solaris


1. prtdiag | grep "Memory size" | cut -d ':' -f2

2. prtconf | grep "Memory size" | cut -d ':' -f2


Linux

1. echo "$(free -mt | grep "Mem:" | awk '{print $2}' | tr -d [:space:]) MB"

or

free -mt | grep "Mem:" | awk '{print $2}' | tr -d [:space:];echo " MB"

2. grep MemTotal /proc/meminfo | cut -d ':' -f2


HP-UX

1. echo "selclass qualifier memory;info;wait;infolog" | /usr/sbin/cstm | grep "Total Configured Memory" | cut -d ':' -f2

2. echo "$(grep Physical /var/adm/syslog/syslog.log | awk '{print $7}') KB"


AIX

1. echo "$(lsattr -El mem0 | grep "Total" | awk '{print $2}') MB"

2. lsattr -El mem0 | grep "Total" | awk '{print $2}'; echo " MB"