Want to upgrade to 64-bit server but not sure of your current setup? Here's a few questions that may help you through this:1. What is my current setup running?From the command line:# uname -iIf it returns 'i386' then you're on 32-bit OS. If it returns 'x86-64' then you're on 64-bit.2. How can i tell if my server is capable of running 64-bit OS?From the command line:# dmesg | grep -i cpuThis will return a list of the CPUs which you can do a web search on. The vendor's webpage for the CPU should say if the CPU is capable of running 64-bit.Find out the processor type/model, and look it up on the manufacturer site.A quick search for 'Intel Xeon x3230' got me to the x3230 spec sheet which says 'Instruction Set = 64-bit' - confirming that it's okay to install on 64-bit OS.# cat /proc/cpuinfo | grep -i flags | grep -i lmIf you see 'lm' (which stands for long mode), then your system is capable of running 64-bit. Note: 'lm' is different from 'lahf_lm' and 'sahf_lm'. The 'lahf_lm' and 'sahf_lm' flags only denote that the instruction sets for LAHF or SAHF are available in 64-bit mode. LAHF = Load status flags into AH register. SAHF = Store AH registers into flags.
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