Ubuntu – Why /lib/modules taking so much space on xubuntu

kernel

I have a 2G home partition, /lib/modules is taking more that 1.5G. I got 12 directory named after version of kernel 2.6.32 each taking 119k. Why do I have all of that? Do I need all of that? If not, what is the clean way to remove what I don't need?

Thanks

Best Answer

Automatic update is installing each new kernel, but there is no clean-up, and there is a copy of the module for each kernel.

There is a package entry called :

linux-image-<version>-generic

Removing it removed the corresponding files in /lib/modules

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Ubuntu – Does upgrading a kernel automatically enable trim

No, upgrading a kernel does not turn it on automatically - it's still off by default for the kernel shipped with 12.04.

Please refer to the manpage of mount:

discard/nodiscard
  Controls whether ext4 should issue discard/TRIM commands to  the
  underlying  block  device when blocks are freed.  This is useful
  for SSD devices and sparse/thinly-provisioned LUNs,  but  it  is |
  off by default until sufficient testing has been done.           | <--

Ubuntu – Where is the kernel directory for Ubuntu 12.10

I think --kernel-dir is not a placeholder to replace with something. It is a parameter to the build.sh to specify kernel dir. The kernel dir is /lib/modules/$(uname -r)/build. (The uname -r defines the installed kernel details.)

Try sudo ./build.sh --kernel-dir /lib/modules/$(uname -r)/build

Don't alter uname -r with anything. It will automatically place the kernel version for the command.

Best Answer

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Ubuntu – Does upgrading a kernel automatically enable trim

Ubuntu – Where is the kernel directory for Ubuntu 12.10

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