Hello,
I tried to install webmin on the Cent 0S4, and when i tried to open filemanager and uploaded 2gig of *.ISO image the real memory usage will 100% and the upload cannot be completed and when i do a ps ax upload.cgi would go it seems that during the upload process the files will go directly to the system real memory and did not allocate to the virtual memory or something.
MY system runs on a Intel(R) Xeon(TM) CPU 2.40GHz X2
physical memory 1.40gig
disk swap 1.80 gig
45:01 /usr/libexec/webmin/file/upload.cgi
Thank you.
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This is a known problem in Webmin - if you upload a file, it will be read into memory before being saved.
I suggest using another upload method (like FTP or SCP) for huge files like that.