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Line 1: − == What CRtools is ==+ − '''CRtools''' is an utility to checkpoint/restore process tree. Unlike checkpoint/restore implemented completely in kernel space,+ − it tries to achieve the same target operating in user space. Since the tools and overall concept are still under heavy development − stage there are some known limitations applied, in particular only pure x86-64 environment is supported, no IA32 emulation allowed. − == Download and build crtools ==+ − The '''crtools''' utility itself is hosted at [http://git.criu.org/?p=crtools.git;a=summary git.criu.org].+ − + − The run <code>make</code> in the sources root.+ − + − +
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'''CRtools''' is an utility to checkpoint/restore a process tree.
== Tools installation ==
Get the latest release from [[Releases]].
Alternatively, use [http://git.criu.org/?p=crtools.git;a=summary git.criu.org] git repository.
Clone this repo to test new functionality. Anything but '''master''' branch are development ones, don't refer on them.
Clone this repo to test new functionality. Anything but '''master''' branch are development ones, don't refer on them.
Before building also install the C bindings for Google's Protocol Buffers. In rpm-based distros this is <code>protobuf-c</code> package.
Before building, make sure you have C bindings for Google's Protocol Buffers installed. In rpm-based world this is <code>protobuf-c-devel</code> package.
Then run <code>make</code> in the sources root.
== Configure the linux kernel ==
== Kernel configuration ==
Make sure you have the following options turned on
Make sure you have the following options turned on:
* General setup -> Checkpoint/restore support (<code>CONFIG_CHECKPOINT_RESTORE</code>)
* General setup -> Checkpoint/restore support (<code>CONFIG_CHECKPOINT_RESTORE</code>)