egrep "^processor|^cpu cores|^core id" /proc/cpuinfo

solaris:

prtdiag -v

(* files must be sorted)

doganay@doganayhost $ dirname /home/users/doganay/file1
/home/users/doganay

<&-

Close Output File Handles (standard output is explicitly closed)

>&-

## clear permissions:
setfacl -d user:myuser:4 myfile

## set permissions of files that will be created in a specific directory:
setfacl -m d:u::rwx,d:g::r-x,d:u:myuser:r-x,d:m:r-x,d:o:—,user:myuser:r-x mydirectory
## or
setfacl -r -m default:user:myuser:r-x,default:user::rwx,default:group::r-x,default:mask:r-x,default:other:— mydirectory

monitor_control.disable_longmode = 1

export PS1="$(whoami)@$(hostname) $ "

can run xclock,

can run runInstaller, but no windows appears,

do not use: Hummingbird Exceed 8.0

use: Xmanager 4.0

$ ps -aux
Warning: bad syntax, perhaps a bogus '-'? See /usr/share/doc/procps-3.2.7/FAQ

Solution:

Remove minus (-):
$ ps aux

$ crontab -e
You (oracle) are not allowed to use this program (crontab)
See crontab(1) for more information

Solution:

cd /usr/lib/cron
## or find where cron.allow and cron.deny are:
## find / -name "cron.allow"
## find / -name "cron.deny"

Either remove your user in

cron.deny

and add your username in

cron.allow

If files do not exist, you can create them.

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find . -iname ‘regex’ – find filenames that match regex, case insensitive
find . -mtime +2 – find files that were modified 2 days ago or older
find . -mtime -2 – find files that were modified within past 2 days
find . -ctime +2 – find files that were created 2 days or older
find . -atime +2 – find files that were accessed 2 days or older
find . -cmin +30 – find files that were created 30 minutes ago or older
find . -mmin +30 – find files that were modified 30 minutes ago or older
find . -empty – find empty files or directory
find . -executable – find files that are executable by user
find . -readable – find files that are readable by user
find . -writable – find files that are writable by user
find . -size filesize – find files that have specified filesize (c = byte, k = kb, M = Mb, G = Gb)
find . -type filetype – find by file type (d = directory, f = file, l = link)
find . -user username – find files owned by user
find . -group groupname – find files that belong to specific group
find . -name ‘regex’ -delete – remove files that match regex
find . -name ‘regex’ -exec command – execute command on files found
find . -name ‘regex’ -ok command – same as -exec, but prompts for user’s input

cd doganay_dir
rm *trc
bash: /bin/rm: Argument list too long

Solution:

#I assume that you want to remove all .trc files.
cd doganay_dir
RM=`which rm`
FIND=`which find`
$FIND . -name "*.trc" | xargs $RM

I tried to find a solution for this problem in many forums. Most of them pointing the problem to Adobe, and some pointing to NVidia. I didnt care about this pointing problem, because I need those two software, so I needed a solution.

Eventually I found out the source of the problem is flash-based video cannot run using hardware acceleration. There are some solutions that suggested in forums:

• Remove “libvdpau1″ package from Pangolin system. This package is used by flash for hardware acceleration.
• Disable hardware acceleration option from Youtube. Right-click on the video, select “Settings” and then untick the “Hardware Acceleration”. But alas, I couldn’t untick it, and I couldn’t remove the “Settings” window either. From this thread in this forum I found out that compiz cause this problem. So, I logged out from my system, logged in again using Unity 2D, and now it was possible to disable the hardware acceleration. I logged out and logged in again, and then tried to watch Youtube again. Voila, the blueish color was gone.

Reference:

• 
  https://bugs.launchpad.net/ubuntu/+source/unity/+bug/968489/comments/11
  

trap "" 2

or

remove 2 in this line:

before:

trap "" 1 2 3

after:

trap "" 1 3

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