I just found this trying to track down where the 300+GB of disk was being used. I’m running on ubuntu jammy via steam, and just updated the launcher to use the following launch options:
SQUIRREL_TEMP=/tmp/SquirrelTemp %command%
This puts the “tempXX” files into my system’s /tmp folder where they are managed normally, i.e., deleted on reboot.
I just noticed this issue myself today, came here to ask what was up and it turns out they have already been told and not done anything about it. Colour me surprised…
I am on Ubuntu 22.04 and running Eve through Steam and had this issue. Changing ownership of the folder to root:root seems to have resolved the issue. I subsequently deleted that folder and it has not been recreated.
Just deleted 1.3TB from this folder. What a joke. Fix it CCP please.
680 GB in SquirrelTemp, disk is full.
Why should CCP fix things if they can develop Eve Vanguard and compete with idSoftware/Bethesda Quake series, CSGO by Valve, etc.
For anyone struggling with SquirrelTemp growing like fury on Linux Steam systems, and mine was thick end of 70Gb+ then a this works nicely.
In Steam under setting for Eve Online, then I have in the command:
PROTON_NO_FSYNC=1 PROTON_NO_ESYNC=1 SQUIRREL_TEMP=/tmp/SquirrelTemp %command%
I’m running the current Ubuntu LTS - basically this maps the SquirrelTemp to the Linux /tmp folder. This is a virtual filesystem that is re-set on each re-boot through tmpfs.
@Okamainen_al_Anzomi - Thank-you, very much appreciated bit of advice. Ta.
As there is no SquirrelTemp folder having any significant size on wine staging, maybe you could file a bug report with steam to get it fixed?
No offense Power Armor, but I must ask;
How is this a Steam issue or even a Wine only issue?
I did address this back on March 7th;
Ever since I changed the folder ownership, using the command chown root:root SquirrelTemp, the folder is empty. If anyone is using Wine only and not Steam, another simple solution is to create a Symbolic Link using the ln command. Doing this will tell the program to drop the files elsewhere (e.g. /tmp/SquirrelTemp ) so it can be deleted on reboot. Just because I didn’t have hundreds of GBs in that folder, doesn’t make it any less of an intrusion upon my system.
I have just reported that it isn’t happening on wine. So it is behaving differently or there has been a fix. I don’t know which case applies. Since it is working on wine you could file a bug report for proton. If it is happening on windows, file a bug report with CCP.
350gb nuked from my steam install 
If you are Linux OS you can redirect it with symbolic link or block it with the sudo chown root:root command. If you are Windows OS, C:\Users\AppData\Local\SquirrelTemp is here. You can restrict access with the security tab on the folder, assuming you haven’t granted the game administrator rights.
From testing on my end, on multiple machines with both Linux and Windows, I have yet to get the results of massive amount of space lost. If you still have this issue, provide your details;
I highly suspect it is the Vanguard, because the timing of the bug/glitch new launcher. Also since I don’t play as omega, I can’t access Vanguard at all. Thus it is the one aspect I cannot investigate. I am so glad CCP is right on top of this 4 month issue. If someone plagued this bug wants to be a lab rat, I suggest you attempt to install as alpha/no Vanguard and play for while. Check the folder for results, then add your omega clone to the launcher. Play Vanguard and check the folder again.
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