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Category Archives: System

Connect a reliance netconnect data card on linux box




Hi I am trying to connect a reliance netconnect data card on my linux box ( cent os ) , i am able to the detect the device /dev/ttyUSB0 these are the following steps I did : Check your card is recognized by the kernel # cat /proc/bus/usb/devices ….. ….. T: Bus=07 Lev=01 Prnt=01 Port=01 [...]

How to optimal filesystem with many small files.




I have a program that writes lots of files to a directory tree (around 15 Million fo files), and a node can have up to 400000 files (and I don’t have any way to split this ammount in smaller ones). As the number of files grows, my application gets slower and slower (the app is [...]

Unable to resolve host address




Getting this error message ? Unable to resolve host address This means that your linux system is failed to convert DNS or host name into ipaddress. To fix this, you need to check /etc/resolv.conf /etc/resolv.conf should contain  list of nameserver with structure nameserver nameserveraddress nameserveraddress may contain hostname or ipaddress. If you still have problem, [...]