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HowTo: Install ssh In Linux

How do I install ssh under Linux operating systems?
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Debian / Ubuntu Linux: Setup NFSv4 File Server

How do I install and configure NFS version 4 server under Debian or Ubuntu Linux server operating systems using host-based authentication?
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How do I read a list of ip address (subnets) using a text file and block all of them using Linux iptables command?
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All my local Linux user accounts will be able to log in to my Samba server and access share. How do I restrict access to particular users or network subnet such as 192.168.2.1/24?
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Samba Restrict IPC$ ( list of shared resources )

The IPC$ share allows users to anonymously fetch a list of shared resources from a server. It can be used as a point of attack into a system. How do I disable or limit IPC$ under Samba to certain subnet such as 10.0.0.0/8?
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Q. I would like to create alias for my network card (NIC). How do I setup 2 IP address on One NIC? How do I add alias under Centos / Fedora / Debian / Ubuntu Linux?
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