Thinking of upgrading your 32 bit Linux machine beyond 4GB of memory? Consider the following: Does your CPU support Physical Address Extension to address beyond 4GB? Here is how to check: grep pae /proc/cpuinfo flags : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi [...]
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This quick post will show how we can easily allow only certain http referrers see some location using nginx. This might be useful for example if you are using nginx as a static content provider and want to not allow everyone hot-linking your images and only your own sites. Doing something like this in nginx [...]
