Wednesday, July 25, 2018

Column selection in Eclipse


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Eclipse also offers column selection functionality similar to popular text editors Notepad++, Sublime Text2.

On a Mac, need to press "cmd + option + A"
On Windows and Linux, you need to press "alt + shift + A"

Please note doing above will take you to block selection mode, and you need to press same keys again to come back to normal mode.

Source: https://stackoverflow.com/questions/1053725/how-do-i-enable-the-column-selection-mode-in-eclipse


Wednesday, July 18, 2018

Validate firewall connectivity using nc


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In absence of telnet we can use nc (which version??) to validate connectivity.

nc -w 2 -v 10.0.0.1 < /dev/null; exitCode=$?; echo "Exit code = $exitCode"; if [ $exitCode -ge 1 ]; then echo "No connectivity"; else echo 'SUCCESS!!!'; fi; >> fw_validation.txt



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