2
votes
2answers
765 views

Is it possible to tell df to use /proc/mounts instead of /etc/mtab?

Installing gentoo in chroot I found that commands like mount and df doesn't work: they try to read file /etc/mtab (which of course is empty). Can I (for future use) setup or even recompile them so, ...
11
votes
7answers
43k views

Tell fs to free space from deleted files NOW

Is there a way to tell the kernel to give back the free disk space now? Like a write to something in /proc/ ? Using Ubuntu 11.10 with ext4. This is probably an old and very repeated theme. After ...