[//]: #@corifeus-header

[](https://travis-ci.org/patrikx3/ramdisk) [](https://scrutinizer-ci.com/g/patrikx3/ramdisk/?branch=master) [](https://scrutinizer-ci.com/g/patrikx3/ramdisk/?branch=master)

[](https://www.npmjs.com/package/p3x-ramdisk/)

---

# RAM disk persistent with Systemd timer, service and suspend v1.0.512-227

This is an open source project. Just code. If you like this code, please add a star in GitHub and you really like, you can donate as well. Thanks you so much!

Right now, Travis is giving errors (quota errors with parallel builds), though Scrutinizer is working 100% - building, code quality, coverage.

Given, I have my own server, with dynamic IP address, it could happen that the server for about max 5 minutes can not be reachable for the dynamic DNS or very rarely I backup with Clonzilla the SSD or something with the electricity (too much hoovering or cleaning - but I worked on it, so should not happen again), but for some reason, it is not reachable please hang on for 5-30 minutes and it will be back for sure.

All my domains (patrikx3.com and corifeus.com) could have errors right now, since I am developing in my free time and you can catch glitches, but usually it is stable (imagine updating everything always, which is weird).

### Node Version Requirement

```

>=8.9.0

```

### Built on Node ```

v9.3.0

```

The ```async``` and ```await``` keywords are required.

Install NodeJs: https://nodejs.org/en/download/package-manager/

undefined

# Description

[//]: #@corifeus-header:end

# Install ```bash sudo npm install -g p3x-ramdisk --unsafe-perm=true --allow-root ```

## IntelliJ Speed Based on: http://sheroz.com/pages/blog/improving-development-performance-moving-intellij-idea-cache-ramdisk.html ```text After all these tricks I tried to open my current project with IntelliJ IDEA 12 … Wow!!! It is fantastic! Works like a … sword!!! Why sword?! I don’t know exactly. May be because of Darcula theme. This is just first thought what came to my mind seeing the overall results. The Intellij IDEA 12 now works as a lightsaber sword, as a weapon of a Jedi Knight, which you can trust in Java world! ```

* Requires tmpfs, bash, fstab, rsync, memory :) * Usually, all requirements of every Unix flavor are installed by default * SystemD * Service * Timer * Suspend * RAM disk to HDD * Linux, Unix, BSD, macOS * Should might need some tuning, but the functions are there, I just only tested in Linux.

## Intel Optane I think my ramdisk is faster. :) Ciao!!!

# Use case Speed up IntelliJ and development Node. (Tons of files.) The result is that the development is many folds faster. No waiting at all. # Install ```text patrikx3@workstation ~ $ p3x-ramdisk install --help Usage: install [options] <uid> Install a p3x-ramdisk Options: -h, --help output usage information -r, --rampath [path] The path of the ram disk, default /home/$USERNAME/ramdisk -p, --persistent [path] The path of the ram persistent, default /home/$USERNAME/ramdisk-persistent -g, --gid [group] The gid, it you omit it is the current user -t, --timer [minutes] The timer in minutes, minimum about 10 minutes, Default is 20 minutes, the best

-s, --size [megabytes] Ramdisk in size of megabytes, default is 4096 megabytes

``` # IMPORTANT Trash is disabled in GNOME with p3x-ramdisk. It will ask for confirm to delete data. You might have it in the previous save. It is possible to enable trash bin, but for me is not important now, so I disabled, memory is not cheap. # Setup **Use GitHub for info, NPM hides wide strings.** https://github.com/patrikx3/ramdisk ```bash # of course your data will never be deleted, # double persistence (current, previouse, saves every 20 minutes) # load on boot, plus at shutdown and suspend it saves

sudo npm install -g p3x-ramdisk --unsafe-perm=true --allow-root

# install # if you need less/more memory, add -s 1024 or even more, 10GB is good :)

sudo p3x-ramdisk install $USERNAME

# Get the output, add to /etc/fstab

echo "tmpfs /home/patrikx3/ramdisk tmpfs gid=10000,uid=10000,size=4096M 0 0" | sudo tee -a /etc/fstab

sudo mount -a # you should verify the ramdisk is existing now, you might have to reboot # on linux it can show your settings, like below: df -h # if there is an error, you can sudo p3x-ramdisk stop # if all good # STARTUP THE RAMDISK PERSISTENT sudo p3x-ramdisk start # you can work like here # /home/$USERNAME/ramdisk/persistence/content # SOME DEBUG p3x-ramdisk watch # to trigger a savs p3x-ramdisk save # you don't need usually to save # the default is 20 minutes # the systemd service saves on suspend and shutdown # to stop the services # removes sync, so the ramdisk files will be unavailable, # only be in /home/username/ramdisk-persistent/current sudo p3x-ramdisk stop # your duplicate copies are ls -all /home/$USERNAME/ramdisk-persistent/current/ ls -all /home/$USERNAME/ramdisk-persistent/previous/ # you are done # the default use case is to speed up working with IntelliJ and my projects to ramdisk # if you just want persistent folder and that's all # there is a special folder, .p3x-ramdisk-link # everything there is linked into /home/$USERNAME # if there is nothing in .p3x-ramdisk-link # no linking is. to test it, you might not need it. ```

## Linkin' in /home

```bash ### //LINKING - NOT REQUIRED p3x-ramdisk save sudo p3x-ramdisk stop mkdir -p /home/$USERNAME/ramdisk-persistent/current/.p3x-ramdisk-link

cp -avr /home/$USERNAME/.IntelliJIdea2017.3 /home/$USERNAME/ramdisk-persistent/current/.p3x-ramdisk-link

# backup mkdir -p /home/$USERNAME/backup mv /home/$USERNAME/.IntelliJIdea2017.1 /home/username/backup/ # need to delete the originals, since they become symlinks rm -rf /home/$USERNAME/.IntelliJIdea2017.1 sudo p3x-ramdisk start ### //LINKING:END ``` # Output ## Install ```text patrikx3@laptop:~/ramdisk/persistence/content/.p3x-ramdisk-link/Projects/patrikx3/ramdisk$ sudo p3x-ramdisk install patrikx3 -s 6144 2017-05-08 00:30:08: terminal install 2017-05-08 00:30:08: terminal copy 2017-05-08 00:30:08: terminal suspend 2017-05-08 00:30:08: terminal reload services 2017-05-08 00:30:08: terminal install done Settings: { "rampath": "ramdisk", "persistent": "ramdisk-persistent", "uid": "patrikx3", "uidNumber": 10000, "gid": "patrikx3", "timer": 20,

"size": "4096",

"home": "/home/patrikx3", "script": "/home/patrikx3/.p3x-ramdisk" } Final commands: -------------------------- 1) You only have to do it once, if you haven't done it before

echo "tmpfs /home/patrikx3/ramdisk tmpfs gid=10000,uid=10000,size=4096M 0 0" | sudo tee -a /etc/fstab

sudo mount -a -------------------------- 2) verify that ramdisk is working, see it here df -h -------------------------- 3) if everything is ok, start the persistent ramdisk sudo p3x-ramdisk start patrikx3@laptop:~/ramdisk/persistence/content/.p3x-ramdisk-link/Projects/patrikx3/ramdisk$ ``` ## Watching the RAM disk ```bash p3x-ramdisk watch ``` ``` Filesystem Size Used Avail Use% Mounted on

tmpfs 4,0G 2,0G 2,1G 50% /home/patrikx3/ramdisk

total used free shared buff/cache available Mem: 31G 3,3G 18G 2,0G 9,8G 25G Swap: 8,0G 0B 8,0G

Load: 2017-05-27 09:01:49 2017-05-27 09:01:56 0 minutes 7 seconds Save: 2017-05-27 09:20:00 2017-05-27 09:20:16 0 minutes 16 seconds

2017-05-27 09:20:00: timer save, ramdisk to current 2017-05-27 09:20:00: timer save /home/patrikx3/ramdisk/persistence/content to /home/patrikx3/ramdisk-persistent/current 2017-05-27 09:20:16: timer saved 2017-05-27 09:20:16: timer save done 2017-05-27 09:20:16: timer 0 minutes 16 seconds

5/27/2017, 9:24:45 AM | Persistence 20 minutes | Watch 1 second

``` # LOGS ``` /home/username/ramdisk-persistent/ramdisk-persistent.log ``` ``` /home/username/ramdisk-persistent/update-at-load.log ``` ``` /home/username/ramdisk-persistent/update-at-save.log ``` ## LOG info ```text 2017-05-06 02:57:37: boot loading 2017-05-06 02:57:37: boot load /home/patrikx3/ramdisk-persistent/current to /home/patrikx3/ramdisk/persistence/content 2017-05-06 02:57:47: boot loaded 2017-05-06 02:57:47: boot link 2017-05-06 02:57:47: boot link /home/patrikx3/ramdisk/persistence/content/.IntelliJIdea2017.1 to /home/patrikx3/.IntelliJIdea2017.1 2017-05-06 02:57:47: boot link /home/patrikx3/ramdisk/persistence/content/Projects to /home/patrikx3/Projects 2017-05-06 02:57:47: boot link done 2017-05-06 02:57:47: boot 0 minutes 10 seconds 2017-05-06 02:57:47: timer save 2017-05-06 02:57:47: timer save, current to previous 2017-05-06 02:57:47: timer save /home/patrikx3/ramdisk-persistent/current to /home/patrikx3/ramdisk-persistent/previous 2017-05-06 02:57:50: timer saved 2017-05-06 02:57:50: timer save, ramdisk to current 2017-05-06 02:57:50: timer save /home/patrikx3/ramdisk/persistence/content to /home/patrikx3/ramdisk-persistent/current 2017-05-06 02:57:53: timer saved 2017-05-06 02:57:53: timer save done 2017-05-06 02:57:53: timer 0 minutes 6 seconds ``` ## LOG Update ```text 2017-05-06 03:31:51 2017-05-06 03:31:57 0 minutes 6 seconds ``` # Thunder ramdisk persistence ```text patrikx3@workstation ~/ramdisk-persistent/current/.p3x-ramdisk-link $ ll total 32 drwxr-xr-x 8 patrikx3 patrikx3 4096 May 7 13:04 ./ drwxr-xr-x 3 patrikx3 patrikx3 4096 May 7 13:02 ../ drwxr-xr-x 4 patrikx3 patrikx3 4096 Apr 25 17:51 .IntelliJIdea2017.1/ patrikx3@workstation ~/ramdisk-persistent/current/.p3x-ramdisk-link $ ``` [//]: #@corifeus-footer ---

[**P3X-RAMDISK**](https://pages.corifeus.com/ramdisk) Build v1.0.512-227

[](https://www.facebook.com/corifeus.software) [](https://www.paypal.com/cgi-bin/webscr?cmd=_donations&business=LFRV89WPRMMVE&lc=HU&item_name=Patrik%20Laszlo&item_number=patrikx3&currency_code=HUF&bn=PP%2dDonationsBF%3abtn_donate_SM%2egif%3aNonHosted) [](https://www.patrikx3.com/en/front/contact)

[//]: #@corifeus-footer:end