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SUMMARY.md

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* [QEMU](technologies/virtualization-stack/qemu.md)
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* [KVM](technologies/virtualization-stack/kvm.md)
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* [Libvirt](technologies/virtualization-stack/libvirt.md)
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* [Netboot](technologies/netboot.md)
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* [Advanced Computing](technologies/advanced-computing/README.md)
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* [MPI](technologies/advanced-computing/mpi.md)
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* [Tensorflow](technologies/advanced-computing/tensorflow.md)
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* [Networking](technologies/networking/README.md)
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* [Cisco](technologies/networking/cisco.md)
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* [OpenVPN](technologies/networking/openvpn.md)
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* [Netboot](technologies/networking/netboot.md)
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* [DNS](technologies/networking/dns/README.md)
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* [DNSSEC](technologies/networking/dns/dnssec.md)
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* [Updating](technologies/networking/dns/updating.md)
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* [Branding](general/branding.md)
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* [Procedures](procedures/README.md)
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* [Data Recovery](procedures/data-recovery.md)
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* [Accounts](procedures/accounts.md)
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* [Account Provisioning](procedures/account-provisioning.md)
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* [Username Changes](procedures/username-changes.md)
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* [Virtual Machine Creation](procedures/vm-creation.md)
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* [Policies](policies/README.md)
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* [Data Release Policy](policies/data-release-policy.md)
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* [Upgrade Policy](policies/upgrade-policy.md)
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machines/vm-servers/altair.md

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| Machine | |
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| :--- | :--- |
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| None | |
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| ceph-mon1 | |
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| monitor | |
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## Technical Specifications
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| **CPU** | 2x Intel Xeon X5460 Quado-Core @ 3.16 GHz |
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| **RAM** | 24 GB |
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| **Hard Disks** | 2x 73 GB 2.5in 10 SAS, RAID 1 |
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| **OS** | Ubuntu |
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| **OS** | Ubuntu 16.04 |
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| **Purchase Date** | Winter 2008 |
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## History

machines/vm-servers/antipodes.md

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| **CPU** | 2x Intel Xeon E5520 Quad-Core @ 2.26 GHz |
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| **RAM** | 48 GB |
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| **Hard Disks** | 2x 146GB 2.5in 10K SAS RAID 1 |
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| **OS** | Ubuntu |
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| **OS** | Ubuntu 16.04 |
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| **Firmware** | P62 |
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| **iLO Firmware** | 2.01 |
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| **Purchase Date** | October 2009 |

machines/vm-servers/chatham.md

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| **CPU** | 2x Intel Xeon E5540 Quad-Core @ 2.53 GHz |
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| **RAM** | 64 GB |
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| **Hard Disks** | 2x 146GB 2.5in 10K SAS RAID 1 |
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| **OS** | Ubuntu |
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| **OS** | Ubuntu 16.04 |
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| **Purchase Date** | March 2014 |
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machines/vm-servers/cocos.md

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| **CPU** | 2x Intel Xeon X5670 Hexa-Core @ 2.93 GHz |
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| **RAM** | 64 GB |
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| **Hard Disks** | 2x 146GB 2.5in 10K SAS RAID 1 |
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| **OS** | Ubuntu |
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| **OS** | Ubuntu 16.04 |
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| **Purchase Date** | Unknown |
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machines/vm-servers/galapagos.md

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| **CPU** | 2x Intel Xeon E5540 Quad-Core @ 2.26 GHz |
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| **RAM** | 24 GB |
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| **Hard Disks** | 2x 146GB 2.5in 10K SAS RAID 1 |
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| **OS** | Ubuntu |
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| **OS** | Ubuntu 16.04 |
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| **Firmware** | P62 |
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| **iLO Firmware** | 2.09 |
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| **Purchase Date** | March 2014 |

machines/vm-servers/gorgona.md

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| **CPU** | 2x Intel Xeon X5670 Hexa-Core @ 2.93 GHz |
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| **RAM** | 64 GB |
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| **Hard Disks** | 2x 146GB 2.5in 10K SAS RAID 1 |
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| **OS** | Ubuntu |
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| **OS** | Ubuntu 16.04 |
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| **Purchase Date** | Unknown |
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machines/vm-servers/overlord.md

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| **CPU** | |
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| **RAM** | |
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| **Hard Disks** | |
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| **OS** | Ubuntu |
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| **OS** | Ubuntu 18.04 |
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| **Purchase Date** | Summer 2018 |
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machines/vm-servers/torch.md

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| **CPU** | |
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| **RAM** | |
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| **Hard Disks** | |
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| **OS** | Ubuntu |
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| **OS** | Ubuntu 18.04 |
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| **Purchase Date** | Summer 2018 |
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machines/vm-servers/waverider.md

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| **CPU** | AMD EPYC 7301 16-Core Processor @ 1.1 GHz |
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| **RAM** | 32 GB |
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| **Hard Disks** | 4x1.2-TB 10K 2.5 SAS |
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| **OS** | Ubuntu |
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| **OS** | Ubuntu 18.04 |
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| **Purchase Date** | Summer 2018 |
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procedures/accounts.md

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technologies/netboot.md

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technologies/networking/netboot.md

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# Netboot
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[https://netboot.xyz/](https://netboot.xyz/)
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technologies/servers/README.md

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The CSL currently runs two separate operating systems on its servers:
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{% page-ref page="./ubuntu/" %}
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{% page-ref page="./centos/" %}
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The CSL used to run a multitude of other operating systems, mostly on Sun hardware. These included:
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* (Sun) Solaris
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* \(Sun\) Solaris
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* Gentoo
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* FreeBSD/OpenBSD
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* Whatever the [Cray SV1 ran](../../machines/obsolete/cray-sv1-supercomputer.md)
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technologies/servers/centos.md

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[CentOS](https://www.centos.org/) is a stable Linux distribution derived from the sources of the popular [RedHat Enterprise Linux](https://www.redhat.com/en/technologies/linux-platforms/enterprise-linux).
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The CSL only has a few servers running on CentOS; namely, [The Cluster](../../cluster/README.md). The rest run on [Ubuntu Server](./ubuntu-server.md).
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The CSL only has a few servers running on CentOS; namely, [The Cluster](https://github.com/tjcsl/gitbook/tree/bf09f6bb28bae9f2c7fbfbc3adc86ac82130c565/cluster/README.md). The rest run on [Ubuntu Server](ubuntu-server.md).
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## Notable Features
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* Slightly higher stability than Ubuntu
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* Has a different package manager (`yum` + `rpm`)
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* Has a different package manager \(`yum` + `rpm`\)
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* Slightly smaller package ecosystem, made up for by large 3rd party repositories.
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* A lot of backported packages including the kernel
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## Notable CSL Modifications
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* We use [Netboot](../netboot.md) to install it
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* We use [Netboot](../networking/netboot.md) to install it
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## Trivia
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* All of the system configuration and log files are named slightly differently than Ubuntu, making things slightly annoying.
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* CentOS actually beats out Ubuntu in how old its Python is; there is no Python 3, only Python 2.7.5 in the official repository!
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* You can pry my CentOS-specific Ansible plays from my cold, graduated hands.
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technologies/servers/ubuntu-server.md

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Ubuntu Server is a Linux distribution developed by Canonical Inc., noted for its stability and ease of use. You can find out more on [the Ubuntu Wiki](https://wiki.ubuntu.com/BionicBeaver/ReleaseNotes).
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Almost all of the CSL runs on Ubuntu Server, except for [Workstations](../../services/workstations/README.md) (which run Ubuntu Desktop) and [The Cluster](../../cluster/README.md) (which runs [CentOS](./centos.md)).
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Almost all of the CSL runs on Ubuntu Server, except for [Workstations](../../services/workstations/) \(which run Ubuntu Desktop\) and [The Cluster](https://github.com/tjcsl/gitbook/tree/bf09f6bb28bae9f2c7fbfbc3adc86ac82130c565/cluster/README.md) \(which runs [CentOS](centos.md)\).
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## Notable Features
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* Easy-to-use installer ISO (download link [here](https://www.ubuntu.com/download/server)
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* Extremely large, if not *the* largest, package ecosystem
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* Has included some unpopular software, including (but not limited to):
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* Easy-to-use installer ISO \(download link [here](https://www.ubuntu.com/download/server)
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* Extremely large, if not _the_ largest, package ecosystem
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* Has included some unpopular software, including \(but not limited to\):
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1. The Unity desktop environment
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2. Integrated advertising
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3. netplan
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## Notable CSL modifications
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* Instead of installing from a usb, we prefer to use [Netboot](../netboot.md)
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* Instead of installing from a usb, we prefer to use [Netboot](../networking/netboot.md).
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## Trivia
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* Ubuntu gets a significant portion of its packages from Debian, and shares the same package manager (`apt`).
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* One of Ubuntu's offical help channels is actually found on [StackExchange](https://askubuntu.com/).
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* Ubuntu major releases are referred to by alliterating `<adjective> <animal>` codenames. As of this writing (Jan 2019), the current stable release (18.04.1) is codenamed **Bionic Beaver**.
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* Ubuntu gets a significant portion of its packages from Debian, and shares the same package manager \(`apt`\).
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* One of Ubuntu's official help channels is actually found on [StackExchange](https://askubuntu.com/).
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* Ubuntu major releases are referred to by alliterating `<adjective> <animal>` codenames. As of this writing \(Jan 2019\), the current stable release \(18.04.1\) is codenamed **Bionic Beaver**.
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* The default version of Python is 2 on all Ubuntu releases.
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* Plus, the minor version of Python 3 available is always 1 behind the latest.
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* `nano`, arguably the superior console text editor, is installed by default (as it should be).
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* Netplan can act as a configuration proxy for NetworkManager, in case you ever wanted to double the amount of cancer you handle.
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* 16.04.5 LTS (**Xenial Xerus**) will always be the best release in my heart <3
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* Plus, the minor version of Python 3 available is always 1 behind the latest.
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* `nano`, arguably the superior console text editor, is installed by default \(as it should be\).
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* Netplan can act as a configuration proxy for NetworkManager or systemd-networkd, in case you ever wanted to double the amount of cancer you handle.
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* 16.04.5 LTS \(**Xenial Xerus**\) will always be the best release in my heart &lt;3
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