Wednesday, 28 January 2015

How to recall an email in Microsoft Office Outlook?

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To do that please follows the instructions; Double click the email from " Sent Items " -> Click " Other Actions " ...

How to run a command when starts up SUSE linux system?

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Please add below row into "/etc/init.d/boot.local" file as root system user. # su - alper -c "/home/alper/bin/startup.sh...
Monday, 26 January 2015

What is SUID and GUID?

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SUID (Set User ID on execution) and GUID (Group User ID on execution)  that uses to give execution permission for running as owner of file....
Wednesday, 21 January 2015

How to list symbolic links in the current directory?

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define a link; $  ln -s myfolder/myfile.txt myshortcut to see it in the list; $ find . -type l -ls result; Jan 21 09:03 ./ myshortcu...
Thursday, 8 January 2015

How to define logic volume for oracle server?

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1st step: Define physical volume (pv) # pvcreate -f /dev/sda4 to check it; # pvdisplay 2nd step: Define volume group (vg) # vgcreate...
Thursday, 1 January 2015

Oracle Highlights

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Administrator How to get instance name, database status and instance role in Oracle? How to modify "sql page size"? How to de...
Monday, 29 December 2014

How to change ssh welcome message?

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Execute below operations as root user. 1. vi /etc/ssh/sshd_config # comment out Banner row # no default banner path Banner /etc/ssh/ss...
Thursday, 18 December 2014

How to use to_date function?

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e.g. select to_date('2014-12-18','yyyy-mm-dd') from dual; output: 12/18/2014 select to_date('2014-12-18 12:15',...
Friday, 12 December 2014

[ADVICE] PowerMenu to use "Always On Top"

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You may use PowerMenu tool for using "Always On Top" on the window. Download: http://www.abstractpath.com/powermenu/
Thursday, 11 December 2014

Basic Calculator VBS example

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MsgBox("Calculator!") a=CInt(InputBox("First number:","Enter number")) b=CInt(InputBox("Second number:...

How to run Visual Basic Script file in Windows?

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Please follow the instructions: Run notepad  Copy below text into notepad Save as .vbs format Double click the file Example VBS file...
Wednesday, 10 December 2014

How to use secure copy in Linux Terminal?

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To upload: $ scp [desired files] [login_user]@[host]:/[remote path] e.g. $ scp *.txt alper@10.10.10.10:/home/alper/mynewtextfiles To d...
Tuesday, 9 December 2014

How to know hostname from IP in Terminal?

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$ nmblookup -A <IP> e.g. nmblookup -A 10.10.10.10 e.g. nmblookup -A $(who | awk -F\( '{ print $2}' |  rev | cut -c 2- | re...
Monday, 8 December 2014

Alexa Rank

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Global rank: 6,859,462

How to know system hardware and software information?

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to get os version: #  cat /etc/*release* to get os kernel version: #  cat /proc/version to get cpu info: # cat /proc/cpuinfo or # ...
Wednesday, 3 December 2014

How to find full path of a program in Windows?

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CMD> where ping C:\Windows\System32\PING.EXE CMD>  where sqlplus D:\instantclient_11_2\sqlplus.exe
Tuesday, 2 December 2014

What are taskmgr.exe keyboard shortcuts?

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1st way: CTRL + ALT + DEL 2nd way: CTRL + SHIFT + ESC
Friday, 28 November 2014

What is Sticky Bit?

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If sticky bit is active, that file can be only deleted by root or owner. to activate; chmod +t file.txt -rw-r--r-T to unactivate; chm...
Saturday, 22 November 2014

Useful shortcuts for vi editor

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vi myfile.txt to open file with vi editor vi + myfile.txt cursor goes to end of the file vi +200 myfile.txt cursor goes to 200th row :s...

How to unlock database user account?

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Please run the sql lines in SQL Editor as "sys" user; SQL> ALTER USER "alper" ACCOUNT UNLOCK;