NFS was not designed with security in mind, and has a number of weaknesses, both in terms of the protocol itself and because any NFS installation must expose several daemons, running on both servers and clients, to network attack. I use my Debian / Ubuntu Linux based server only to server web pages and nothing else. How do I disable NFS services under Debian or Ubuntu Linux?
I want to add more RAM to my server running Ubuntu Linux. How do I find out my current RAM chip information such as its speed, type and manufacturer name within a Linux system without opening the case?
ow can I create a text file from the command line on Ubuntu Linux? How do I create an empty file from the command line under Ubuntu operating systems?
I‘m typing the following command under Ubuntu Linux:
route add default gw 192.168.3.2 eth0
But it is giving me out the following error:
SIOCADDRT: File exists
How do I fix this problem?
How can I kill a process using the bash command prompt? Do I always need to kill the process using PID?
How do I rename a user name from ‘tom’ to ‘jerry’ under Ubuntu Linux?
How do I flush all IPv4 and IPv6 iptables rules under Ubuntu Linux?