Question { Google, 6808 }

how is "to run even after user logs out"

Answer

nohup script &

Question { BPO, 6866 }

if i run ls command it will show me the junk output what is
problem and how to resolve it

Answer

Check the locale settings.
For finding the current locale settings.
# locale

For displaying all avaialable locales.
# locale –a
C
POSIX
en_CA
en_CA.ISO8859-1
en_CA.UTF-8
en_US
en_US.ISO8859-1
en_US.ISO8859-15
en_US.ISO8859-15@euro
en_US.UTF-8
es
es_MX
es_MX.ISO8859-1
es_MX.UTF-8
fr
fr_CA
fr_CA.ISO8859-1
fr_CA.UTF-8
iso_8859_1

Setting the locales.
# LC_ALL=en_US.UTF-8
# export LC_ALL
# locale
LANG=
LC_CTYPE="en_US.UTF-8"
LC_NUMERIC="en_US.UTF-8"
LC_TIME="en_US.UTF-8"
LC_COLLATE="en_US.UTF-8"
LC_MONETARY="en_US.UTF-8"
LC_MESSAGES="en_US.UTF-8"
LC_ALL=en_US.UTF-8
#

Question { 11553 }

What is the command to see all the processes are working in
the last 30 days?

Answer

We can use the find command on processes by using File
system /proc.
# cd /proc
# find . -type d -atime -30

Question { Siemens, 12847 }

What is the command to check wwn # in linux?

Answer

Emulex HBA Adaptor.

Find the WWPN.
Step1:
Confirm if the HBA is Emulex.
# lspci
......
0e:00.0 Fibre Channel: Emulex Corporation Zephyr LightPulse
Fibre Channel Host Adapter (rev 02)
17:00.0 Fibre Channel: Emulex Corporation Zephyr LightPulse
Fibre Channel Host Adapter (rev 02)
#

Step2:
# cd /sys/class/fc_host/
# ls -l
total 0
drwxr-xr-x 3 root root 0 Oct 14 20:57 host0
drwxr-xr-x 3 root root 0 Oct 14 20:57 host1
# cat port_name
0x10000000c97a37cf
#