This recipe is for tunneling NFS traffic over SSH. This adds encryption
and Public Key authentication to otherwise insecure NFS traffic.
For this recipe to work, requires NFSv4. Earlier versions were
not tested, but I expect not all the functionality to work.
server configuration
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This recipe is for setting virtualization on a voidlinux desktop.
Use this setup script to set things up on void linux.
Connecting to libvirtd
Note that virsh and virt-manager commands connect to different libvirtd
sessions by defauult.
virsh defaults to qemu:///session while virt-manager to qemu:///system.
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There are plenty of reasons why people would need to encrypt a
partition. Whether they're rooted it in privacy, security, or
confidentiality, setting up a basic encrypted partition on a Linux
system is fairly easy. This is especially true when using LUKS, since
its functionality is built directly into the kernel.
Installing Cryptsetup
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If you often mount and access a remote NFS share on your system, you
will probably want to know how to improve NFS file access performance.
One possibility is using file caching. In Linux, there is a caching
filesystem called FS-Cache which enables file caching for network file
systems such as NFS. FS-Cache is built into the Linux kernel 2.6.30
and higher.
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It is possible to migrate the whole array to larger drives
(e.g. 250 GB to 1 TB) by replacing one by one. In the end the number
of devices will be the same, the data will remain intact, and you will
have more space available to you.
Extending an existing RAID array
In order to increase the usable size of the array, you must increase
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So finally took the time to try out a Raspberry Pi. For this weekend project wanted to do something relatively simple.
Essentially, I wanted to recreate/enhance the functionality of a
TL-WR702N.
The TL-WR702N Nano Router is a neat device but being closed, can not be customized to what I wanted. It can be used in
the following modes:
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In Linux, there is a caching filesystem called FS-Cache which enables
file caching for network file systems such as NFS. FS-Cache is built
into the Linux kernel 2.6.30 and higher. In order for FS-Cache to
operate, it needs cache back-end which provides actual storage for
caching. One such cache back-end is cachefiles. Therefore, once you
set up cachefiles, it will automatically enable file caching for NFS shares.
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I am still to test this recipe
Server Configuration
First of all, we must install the following components:
A DHCP server to assign IP addresses to our diskless nodes.
A TFTP server to transfer the boot image (a requirement of all PXE option roms).
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