Join (merge / concatenate) split files: Windows or Linux

Sometimes you have to join two files together. There are plenty of tools for file spitting and joining (restoring), but I prefer the build in ones. Use copy command under Windows: copy /B file1.ext + file2.ext result_file.ext “B” stands for binary file Use cat command under Linux: cat file1.ext file2.ext > result_file.ext Here are two …

Ubuntu Server static ip problems – ubuntu reverts back to DHCP on its own

Many people report that Ubuntu Server suddenly reverts its static IP address to dynamic (via DHCP). Here are some discussions: static ip reverts back to DHCP ( Static IP reverting to DHCP on Ubuntu Server 8.04 ( This happened to me today with Ubuntu Server 9.04. Rebooting the server after installation have solved this problem.