Announced since dozen of years, the IPv4 address exhaustion is a reality now. ARIN, the North America Internet Registry, announced on September 24th there is no more address block to give out. On past years, Latin America (2014), Europe (2012) and Asia (2011) announced they ran out of IPv4 address. […]
Using seq and xargs is a common trick to create huge amount of files !
Some UNIX tools do not like CR-LF end of line characters made in Microsoft. Using cat with -vet options, you can see them as ^M . Regular end of line will be displayed as $. To fix a “corrupted” file, have a look to fromdos (formerly dos2unix ).