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# Decentralized Remotely Accessed Memory
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Ever joked about [downloading more RAM](https://downloadmoreram.com/)? 🤣 Well, buckle up, because we're making that meme a reality! Imagine "donating" RAM from one machine to another across a network like a digital octopus 🐙, each tentacle a server sharing a slice of RAM. Each machine becomes both a donor and recipient in this wild, decentralized RAM-sharing bonanza!
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**Here's the deal:** we use a [tmpfs](https://en.wikipedia.org/wiki/Tmpfs) on the donor machine to pretend a chunk of its RAM is a hard drive. Then, we get fancy with [NFS](https://en.wikipedia.org/wiki/Network_File_System) to share this faux-drive over the network 🌐. On the recipient's side, we mount this networked RAM-drive and set up a swap file - it's like tricking your computer into thinking it's got extra RAM, borrowed from its buddy next door 🤝💻.
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The result? A quirky, decentralized memory-sharing network where servers can lend and borrow RAM from each other, sort of like a high-tech, communal memory bank 🏦🧠. It's not just theoretically hilarious, but also a little bit genius in a "why not?" way 😜.
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Remember, with great power comes great responsibility... and also the risk of network hiccups turning your RAM-sharing dream into a digital chaos midnight! 💀💾🕛
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## The make-it-happen Magic
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#### Setup RAM Donator
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1. Create an entry in `/etc/fstab` to create the RAM partition:
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`tmpfs /mnt/ramote_send tmpfs nodev,nosuid,noexec,nodiratime,size=1G 0 0`
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**Note:** Change `1G` to the amount of RAM you want to donate.
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2. Create the RAM partition directory & mount it:
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```bash
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mkdir -p /mnt/ramote_send
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mount /mnt/ramote_send
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```
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3. Download & install an NFS server daemon of your choice:
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```bash
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apt-get install nfs-kernel-server
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```
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4. Configure & start the NFS server:
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- Edit your `/etc/exports` file:
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`/mnt/ramote_send <client-ip>(rw,sync,no_root_squash,no_subtree_check)`
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- Start & enable the service:
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```bash
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systemctl start nfs-kernel-server
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systemctl enable nfs-kernel-server
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```
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---
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#### Setup RAM Receiver
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1. Create a directory & mount the NFS:
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```bash
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mkdir -p /mnt/ramote_recv
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mount <nfs-server-ip>:/mnt/ramote_send /mnt/ramote_recv
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```
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2. Create & enable a swap file inside the NFS directory:
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```bash
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dd if=/dev/zero of=/mnt/ramote_recv/swapfile bs=1M count=1024
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chmod 600 /mnt/ramote_recv/swapfile
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mkswap /mnt/ramote_recv/swapfile
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swapon /mnt/ramote_recv/swapfile
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```
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**Note:** Change the swap file size according to what you allocated on the donator.
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3. Create an entry in `/etc/fstab` to for the NFS mount & the swap file:
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```
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<nfs-server-ip>:/mnt/ramote_send /mnt/ramote_recv nfs defaults 0 0
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/mnt/ramote_recv/swapfile swap swap defaults 0 0
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```
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You can do this across various machines & use multiple swap files for decentralize even more.
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___
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###### Mirrors
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[acid.vegas](https://git.acid.vegas/dram) • [GitHub](https://github.com/acidvegas/dram) • [GitLab](https://gitlab.com/acidvegas/dram) • [SuperNETs](https://git.supernets.org/acidvegas/dram)
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