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ORA-12162

The error message ORA-12162 “TNS:net service name is incorrectly specified” is not exactly what it meant. It suggests that there is a problem with the tnsnames.ora file contents, but in reality the message ORA-12162 “TNS:net service name is incorrectly specified” results from improperly setting your ORACLE_SID value. To fix this error in Windows, set your…

Putty Colors

These are the meanings of different putty terminal colors.* Normal file : Normal * Directory: Blue * Symbolic link : Cyan * Pipe: Yellow * Socket: Magenta * Block device driver: Bold yellow foreground, with black background * Character device driver: Bold yellow foreground, with black background * Orphaned syminks : Blinking Bold white with…

Remote Desktop Shortcuts

CTRL+ALT+END: Open the Microsoft Windows NT Security dialog box (CTRL+ALT+DEL) ALT+PAGE UP: Switch between programs from left to right (CTRL+PAGE UP) ALT+PAGE DOWN: Switch between programs from right to left (CTRL+PAGE DOWN) ALT+INSERT: Cycle through the programs in most recently used order (ALT+TAB) ALT+HOME: Display the Start menu (CTRL+ESC) CTRL+ALT+BREAK: Switch the client computer between…