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[//]: #@corifeus-header [![NPM](]( [![Donate for Corifeus / P3X](]( [![Contact Corifeus / P3X](]( [![Corifeus @ Facebook](]( [![Build Status](]( [![Uptime Robot ratio (30 days)](]( # 💾 Linux RAM disk persistent with Systemd timer, service and suspend v2019.4.100 🙏 This is an open-source project. Star this repository, if you like it, or even donate to maintain the servers and the development. Thank you so much! Possible, this server, rarely, is down, please, hang on for 15-30 minutes and the server will be back up. All my domains ([]( and []( could have minor errors, since I am developing in my free time. However, it is usually stable. **Note about versioning:** Versions are cut in Major.Minor.Patch schema. Major is always the current year. Minor is either 4 (January - June) or 10 (July - December). Patch is incremental by every build. If there is a breaking change, it should be noted in the readme. **Bugs are evident™ - MATRIX️** ### Node Version Requirement ``` >=10.13.0 ``` ### Built on Node ``` v11.15.0 ``` The ```async``` and ```await``` keywords are required. Install NodeJs: # Description [//]: #@corifeus-header:end # WARNING As of now, NodeJs 12 is not working, because of the upstream `userid` NPM package is not supported: If this package is will not be fixed by the time NodeJs 12 is stable, I will write it myself as `p3x-userid`. Right now, only 10 and 11 is working. # Breaking change [readme](artifacts/readme/ # Install ```bash sudo npm install -g p3x-ramdisk --unsafe-perm=true --allow-root ``` ## IntelliJ Speed Based on: ```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! ``` ## Features * Requires tmpfs, bash, fstab, rsync, memory :) * Usually, all requirements of every Unix flavor are installed by default * If you can't install it, you probably need to install the `build-essential` * See * * SystemD * Service * Timer * Suspend * RAM disk to HDD * Linux for sure, easy to extend for 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. # Changelog * [Since **v2019.2.1**, BREAKING CHANGELOG](artifacts/readme/ # Install ## Warning Do not use the ```$USER``` variable, use the actual username, like ```p3x-robot```. ## So actual 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/$USER/ramdisk -p, --persistent [path] The path of the ram persistent, default /home/$USER/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.** ```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 $USER # 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 $USER # if all good # STARTUP THE RAMDISK PERSISTENT sudo p3x-ramdisk start $USER # you can work like here (this a symlink, so you can't accidentally delete # so next time boot, it will re-create the symlink ...) # /home/$USER/ramdisk/p3x-persistence # SOME DEBUG p3x-ramdisk watch $USER # to trigger a savs p3x-ramdisk save $USER # 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 $USER # your duplicate copies are ls -all /home/$USER/ramdisk-persistent/current/ ls -all /home/$USER/ramdisk-persistent/previous/ # you are done # the default use case is to speed up working with IntelliJ and my projects to ramdisk # if you just want persistent folder and that's all # there is a special folder, .p3x-ramdisk-link # everything there is linked into /home/$USER # if there is nothing in .p3x-ramdisk-link # no linking is. to test it, you might not need it. ``` ## Linkin' in /home ```bash ### //LINKING:START # LINKING - IS NOT REQUIRED, but is good as a sword :) p3x-ramdisk save $USER sudo p3x-ramdisk stop $USER mkdir -p /home/$USER/ramdisk-persistent/current/.p3x-ramdisk-link cp -avr /home/$USER/.IntelliJIdea2018.3 /home/$USER/ramdisk-persistent/current/.p3x-ramdisk-link # backup mkdir -p /home/$USER/backup mv /home/$USER/.IntelliJIdea2018.3 /home/$USER/backup/ # need to delete the originals, since they become symlinks rm -rf /home/$USER/.IntelliJIdea2018.3 ln -s /home/$USER/ramdisk-persistent/current/.p3x-ramdisk-link/.IntelliJIdea2018.3 /home/$USER/.IntelliJIdea2018.3 sudo p3x-ramdisk start $USER ### //LINKING:END ``` # Output ## Install ```text patrikx3@laptop:~/ramdisk/.p3x-ramdik-persistence/content/.p3x-ramdisk-link/Projects/patrikx3/ramdisk$ sudo p3x-ramdisk install patrikx3 -s 6144 2018-05-08 00:30:08: terminal install 2018-05-08 00:30:08: terminal copy 2018-05-08 00:30:08: terminal suspend 2018-05-08 00:30:08: terminal reload services 2018-05-08 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 $USER patrikx3@laptop:~/ramdisk/.p3x-ramdik-persistence/content/.p3x-ramdisk-link/Projects/patrikx3/ramdisk$ ``` ## Watching the RAM disk ```bash p3x-ramdisk watch $USER ``` ```text 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: 2018-05-27 09:01:49 2018-05-27 09:01:56 0 minutes 7 seconds Save: 2018-05-27 09:20:00 2018-05-27 09:20:16 0 minutes 16 seconds 2018-05-27 09:20:00: timer save, ramdisk to current 2018-05-27 09:20:00: timer save /home/patrikx3/ramdisk/.p3x-ramdik-persistence/content to /home/patrikx3/ramdisk-persistent/current 2018-05-27 09:20:16: timer saved 2018-05-27 09:20:16: timer save done 2018-05-27 09:20:16: timer 0 minutes 16 seconds 5/27/2018, 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 2018-05-06 02:57:37: boot loading 2018-05-06 02:57:37: boot load /home/patrikx3/ramdisk-persistent/current to /home/patrikx3/ramdisk/.p3x-ramdik-persistence/content 2018-05-06 02:57:47: boot loaded 2018-05-06 02:57:47: boot link 2018-05-06 02:57:47: boot link /home/patrikx3/ramdisk/.p3x-ramdisk-persistence/content/.IntelliJIdea2018.3 to /home/patrikx3/.IntelliJIdea2018.3 2018-05-06 02:57:47: boot link /home/patrikx3/ramdisk/.p3x-ramdisk-persistence/content/Projects to /home/patrikx3/Projects 2018-05-06 02:57:47: boot link done 2018-05-06 02:57:47: boot 0 minutes 10 seconds 2018-05-06 02:57:47: timer save 2018-05-06 02:57:47: timer save, current to previous 2018-05-06 02:57:47: timer save /home/patrikx3/ramdisk-persistent/current to /home/patrikx3/ramdisk-persistent/previous 2018-05-06 02:57:50: timer saved 2018-05-06 02:57:50: timer save, ramdisk to current 2018-05-06 02:57:50: timer save /home/patrikx3/ramdisk/.p3x-ramdisk-persistence/content to /home/patrikx3/ramdisk-persistent/current 2018-05-06 02:57:53: timer saved 2018-05-06 02:57:53: timer save done 2018-05-06 02:57:53: timer 0 minutes 6 seconds ``` ## LOG Update ```text 2018-05-06 03:31:51 2018-05-06 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 .IntelliJIdea2018.3/ patrikx3@workstation ~/ramdisk-persistent/current/.p3x-ramdisk-link $ ``` [//]: #@corifeus-footer --- [**P3X-RAMDISK**]( Build v2019.4.100 [![Donate for Corifeus / P3X](]( [![Contact Corifeus / P3X](]( [![Like Corifeus @ Facebook](]( ## P3X Sponsors [IntelliJ - 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