/usr/bin/ld: cannot find -lperl collect2: ld returned 1 exit status make: *** [blib/arch/auto/Image/Magick/Magick.so] Error 1

Normally this error occurs when install ImageMagick on Ubuntu Linux.
-------------------------------------------------------------------------------
/usr/bin/ld: cannot find -lperl
collect2: ld returned 1 exit status
make: *** [blib/arch/auto/Image/Magick/Magick.so] Error 1
---------------------------------------------------------------------------------

And Solution is : Its need this package.

sudo apt-get install libperl-dev

after that, RMagick gem installed without any issue.
gem install rmagick
Building native extensions.  This could take a while...
Successfully installed rmagick-2.13.1
1 gem installed
Installing ri documentation for rmagick-2.13.1...

[semaphores] No space left on device: mod_rewrite: could not create rewrite_log_lock Configuration Failed

Apache haveing issue with.. semaphores many time. Solution as follow to remove
semaphores from apache.

Command to remove semaphores from apache:

ipcs -s | grep apache | perl -e 'while () { @a=split(/\s+/); print `ipcrm sem $a[1]`}'

Thanks-