The user namespace, which is a important piece of Linux containers, has been merged into the mainline of the kernel since 3.8. However, it implementation is still incomplete for some components of the kernel. Hence, to enable the feature we need to disable some features: network filesystems and XFS.
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| $ cgutil tree -t -k --show-autogroup | |
| <root> | |
| +test | |
| +system | |
| | +sm-client.service | |
| | | `sendmail | |
| | +sendmail.service | |
| | | `sendmail | |
| | +vboxadd-service.service | |
| | | `VBoxService |
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| $ git diff v0.3..v0.4 | |
| .gitignore | 4 + | |
| Changelog | 14 ++++ | |
| Changelog.md | 10 +++ | |
| README | 195 ++++++++++++++++++++++++++++++++++++++++++++++++- | |
| README.md | 30 +++++--- | |
| README.rst | 180 --------------------------------------------- | |
| cgutils/cgroup.py | 449 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++-------------------------------------- | |
| cgutils/command.py | 11 +-- | |
| cgutils/commands/__init__.py | 2 + |
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| $ git clone git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git | |
| $ cd linux/ | |
| $ git status | |
| # On branch master | |
| # Changes not staged for commit: | |
| # (use "git add <file>..." to update what will be committed) | |
| # (use "git checkout -- <file>..." to discard changes in working directory) | |
| # | |
| # modified: include/uapi/linux/netfilter/xt_CONNMARK.h | |
| # modified: include/uapi/linux/netfilter/xt_DSCP.h |
peo3
/ config-3.7.4-204.vbox.fc18.x86_64
Created
February 6, 2013 17:19
A configuration for a small custom kernel of Fedora 18 on VirtualBox.
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| # x86_64 | |
| # Automatically generated file; DO NOT EDIT. | |
| # Linux/x86_64 3.7.4-204.vbox.fc18.x86_64 Kernel Configuration | |
| # | |
| CONFIG_64BIT=y | |
| CONFIG_X86_64=y | |
| CONFIG_X86=y | |
| CONFIG_INSTRUCTION_DECODER=y | |
| CONFIG_OUTPUT_FORMAT="elf64-x86-64" | |
| CONFIG_ARCH_DEFCONFIG="arch/x86/configs/x86_64_defconfig" |
peo3
/ try_virt-sandbox.sh
Last active
December 12, 2015 08:39
How to try virt-sandbox on Ubuntu 12.10.
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| sudo aptitude install autoconf | |
| sudo aptitude install libtool | |
| sudo aptitude install libcap-ng-dev | |
| sudo aptitude install libvirt-glib-1.0-dev | |
| sudo aptitude install libglib2.0-dev | |
| sudo aptitude install libglib2.0 | |
| sudo aptitude install libxml2-dev | |
| sudo aptitude install libselinux-dev | |
| sudo aptitude install gtk-doc-tools | |
| sudo aptitude install libvirt-bin |
peo3
/ config-3.8.2-206.vbox.fc18.x86_64
Created
March 12, 2013 16:12
A sample configuration of a minimal x86_64 kernel with user namespace for VirtualBox.
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| # x86_64 | |
| # Automatically generated file; DO NOT EDIT. | |
| # Linux/x86_64 3.8.2 Kernel Configuration | |
| # | |
| CONFIG_64BIT=y | |
| CONFIG_X86_64=y | |
| CONFIG_X86=y | |
| CONFIG_INSTRUCTION_DECODER=y | |
| CONFIG_OUTPUT_FORMAT="elf64-x86-64" | |
| CONFIG_ARCH_DEFCONFIG="arch/x86/configs/x86_64_defconfig" |
peo3
/ config-3.8.3-201.vbox.fc18.x86_64
Last active
December 15, 2015 01:29
A sample configuration of a minimal x86_64 kernel with user namespace for VirtualBox.
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| # x86_64 | |
| # Automatically generated file; DO NOT EDIT. | |
| # Linux/x86_64 3.8.3-201.vbox.fc18.x86_64 Kernel Configuration | |
| # | |
| CONFIG_64BIT=y | |
| CONFIG_X86_64=y | |
| CONFIG_X86=y | |
| CONFIG_INSTRUCTION_DECODER=y | |
| CONFIG_OUTPUT_FORMAT="elf64-x86-64" | |
| CONFIG_ARCH_DEFCONFIG="arch/x86/configs/x86_64_defconfig" |
peo3
/ gist:5181258
Last active
December 15, 2015 01:39
How to build a custom kernel of Fedora 18 with enabling user namespace
peo3
/ vboxsf_utils.patch
Created
March 18, 2013 16:45
A patch to compile vboxsf.ko for 3.8.x kernel with user namespace enabled.
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| --- vboxsf/utils.c.orig 2013-03-19 01:32:18.189109241 +0900 | |
| +++ vboxsf/utils.c 2013-03-19 01:38:19.403778661 +0900 | |
| @@ -144,8 +144,13 @@ | |
| #endif | |
| } | |
| +#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 8, 0) && defined(CONFIG_UIDGID_CONVERTED) | |
| + inode->i_uid = make_kuid(&init_user_ns, sf_g->uid); | |
| + inode->i_gid = make_kgid(&init_user_ns, sf_g->gid); | |
| +#else |
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| [vmware-tools] | |
| name=VMware Tools for Red Hat Enterprise Linux $releasever – $basearch | |
| baseurl=http://packages.vmware.com/tools/esx/latest/rhel6/$basearch | |
| enabled=1 | |
| gpgcheck=1 | |
| gpgkey=http://packages.vmware.com/tools/keys/VMWARE-PACKAGING-GPG-RSA-KEY.pub |