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Execute vs Read bit. How do directory permissions in Linux work? In my CMS, I noticed that directories need the executable bit (+x) set for the user to open them Why is the execute permission required to read a directory, and how do directory permissions in Linux
How do you clear the arp cache on linux? Both: sudo ip -s -s neigh flush all And: sudo arp -d 192 168 0 102 Instead of clearing the arp cache they seem to just invalidate entries (they will appear as incomplete) Even after some minutes
What do the numbers in a man page mean? - Unix Linux Stack Exchange Note that these section numbers are for Linux 1, 3 and 6 are the same across all unix variants AFAIK, but the others and the non-lone-digit sections can differ Usually man X intro describes what is in section X
How do you enable mDNS in Linux? - Unix Linux Stack Exchange So, you'll need to do this: sudo apt install libnss-mdns After installing that package, ping aaa local and ping bbb local should immediately start working using your current etc nsswitch conf configuration However, the mdns4_minimal variant of the mDNS resolver library will only work with hostnames that explicitly end in local
Finding all storage devices attached to a Linux machine I have a need to find all of the writable storage devices attached to a given machine, whether or not they are mounted The dopey way to do this would be to try every entry in dev that correspond
Difference between RSI and RDI registers and what they do in . . . - linux 2 “What they do” is described in the answer you quoted: they are descendants of the “source index” and “destination index” registers (and still used in that way in string instructions such as movsb), but are now general-purpose registers (see section 7 2 of the Intel Software Developer’s Manuals)