error: can't create transaction lock on /var/lib/rpm/__db.000

error: can't create transaction lock on /var/lib/rpm/__db.000

Solution:

Install it as root user.

grep: unknown devices method

# grep -r "-DACE_NDEBUG" .
grep: unknown devices method


solution:
remove -
use #grep -r "DACE_NDEBUG" .

Let's do some shell programming!

1. Check what shell version you have:
$ cat /etc/shells

2. Show which shell you are using currently:
echo $SHELL

3. This is a good website for learning shell:
http://arachnoid.com/linux/shell_programming.html

Failed to install java 1.3 in a x86-64 suse 11

Failed to install java 1.3 in a x86-64 suse 11.

Get the error message like: Error: can't find libjava.so.

It seems that java 1.3 has not x86 64 version.

Set AIX date and time

# date 0819092612
           mmddHHMMyy

all see the man page

mm-month
MM-minutes
yy-last two digits of year

panic: JVMST017: Cannot allocate memory in initializeMarkAndAllocBits(markbits1)

$ ./c_report.sh
Starting to compile report
Converting RPT_005.rdf
Unable to alloc heap of requested size, perhaps the maxdata value is too small - see README.HTML for more information.
**Out of memory, aborting**

*** panic: JVMST017: Cannot allocate memory in initializeMarkAndAllocBits(markbits1)
./c_report.sh[14]: 9437210 IOT/Abort trap(coredump)
Converting RPT_008.rdf
Unable to alloc heap of requested size, perhaps the maxdata value is too small - see README.HTML for more information.
**Out of memory, aborting**



Solution:

http://www-01.ibm.com/support/docview.wss?uid=swg21524989

UNIX Command

more -p G filename  

go to the end of file

du- sk

check file size

df -G

show disk usage

vi

10yy and p copy 10 lines and paste

ftp

ftp ipaddress

cd , ls or dir

get xxxx
put xxxx


ls -al | tee a.txt

Tar

tar -xvf xxxxx.tar

In

In -s xxxxx.so.6.0.1 xxxxxx.so

uname -a

Show the os information


Vi

Search and Replace

:%s/aaa/bbb/g

replace all aaa with bbb