Compressing with 7z

7z is very much useful in compressing large data.

Install 
yum install p7zip.x86_64 p7zip-plugins.x86_64

Compressing
7za a -t7z -mx9 compressed.7z files_to_compress
(-mx9 maximum compression)

Uncompressing
7z x compressed.7z dest_dir/

SVN Checksum Problem

If you are getting svn checksum error backup your changes and in case you are using SVN 1.7+ there is a workaround described

Just to recap:

1. Go to the folder with the file causing problems
2. Execute command svn update --set-depth empty
3. Execute command svn update --set-depth infinity