am a new Linux user. I have text files with lots of empty lines. How do I delete all empty lines under Linux or Unix operating systems?
know how to display line numbers using vim text editor
. How do display line numbers in the left side for any text file under Unix or Linux operating systems?
need to replace special characters with equivalent hexadecimal unicode under Linux or Unix like operating system. How do I list or find out unicodes for given characters?
ow can I display a list of all installed CPAN / Perl modules under Unix like operating systems?
My ecommerce site runs using a cluster of Apache web server. The cluster is behind nginx load balancer. I want to merge backend Apache web server log files for statistics purpose. How do I mere web server log files under Linux / UNIX like operating systems using cron jobs?
How do I upgrade Perl version under FreeBSD operating system?