criu , checkpoint/rebuild in userspace.
install (centos)
- yum install -y wget
- 安装c编译工具gcc和make：yum install -y gcc make
- 安装google的protobuf库：yum install -y protobuf protobuf-c protobuf-c-devel protobuf-compiler protobuf-devel protobuf-python
- 安装其它的：yum install -y pkg-config python-ipaddress libbsd-devel iproute2 libcap-devel libnet-devel libaio-devel python2-future
- 还有依赖： yum install -y protobuf-c protobuf-c-devel protobuf-compiler protobuf-devel protobuf-python libnl3-devel libcap-devel
- wget “http://download.openvz.org/criu/criu-3.4.tar.bz2”
- yum install bzip2 -y
- tar -xjf criu-3.4.tar.bz2
- cd criu-3.4
- make
- cp criu/criu /usr/sbin//criu
reference
- install
- criu for mac : 没实验成功，可能比较古老。
体验
1. 测试脚本
$ cat > test.sh <<-EOF
#!/bin/sh
while :; do
sleep 1
date
done
EOF
$ chmod +x test.sh
2. C/R 一个前台shell
2.1 启动
$ ./test.sh
$ ps -C test.sh
PID TTY TIME CMD
2621 pts/1 00:00:00 test.sh
2.2 dump
# criu dump -vvvv -o dump.log -t 2621 --shell-job && echo OK
OK
2.3 restore
# criu restore -vvvv -o restore.log --shell-job
Fri Apr 12 12:41:09 MSK 2013
Fri Apr 12 12:41:10 MSK 2013
2.4 注意
在dump的时候，原先的shell job被kill掉。
