How do I install wake on lan client under Ubuntu Linux desktop to wakeup Unix or Linux based servers?


How do I install nmon command under Linux operating systems to find out performance information for my CPU, memory, network, disk, virtual memory, top process and other part of my HP server running on Debian Linux or CentOS Linux 6.x amd64 bit server?


I know how to send WOL command using Linux. But, how do I send Wake on LAN (WOL) frames to hosts on a local Ethernet network using FreeBSD operating systems to wake up my servers?


I‘m using scp command to copy files from one server to another server. The problem is that I’m unable to copy all hidden files (such as .bash_history). How do I copy hidden files using the scp command under Unix like operating systems?


I would like to to delete my iptables based firewall rules under Linux. How do I delete rules individually or all at once under CentOS or Fedora Linux or RHEL based servers?

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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‘ve recently installed php 5.3.5 in my UNIX box and my old working php code not working. It displays code in pages which is in <? … my code … ?> php tags. How do I fix this problem?