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Update README

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Signed-off-by: Qiang Huang <h.huangqiang@huawei.com>
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Qiang Huang
2016-03-22 13:58:33 +08:00
parent 54c213e8a7
commit f6313ebfaf
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@@ -86,22 +86,17 @@ USAGE:
containerd [global options] command [command options] [arguments...]
VERSION:
0.0.4
AUTHOR(S):
@crosbymichael <crosbymichael@gmail.com>
0.1.0 commit: 54c213e8a719d734001beb2cb8f130c84cc3bd20
COMMANDS:
help, h Shows a list of commands or help for one command
GLOBAL OPTIONS:
--id "deathstar" unique containerd id to identify the instance
--debug enable debug output in the logs
--state-dir "/run/containerd" runtime state directory
-c, --concurrency "10" set the concurrency level for tasks
--metrics-interval "1m0s" interval for flushing metrics to the store
--metrics-interval "5m0s" interval for flushing metrics to the store
--listen, -l "/run/containerd/containerd.sock" Address on which GRPC API will listen
--oom-notify enable oom notifications for containers
--runtime, -r "runc" name of the OCI compliant runtime to use when executing containers
--graphite-address Address of graphite server
--help, -h show help
--version, -v print the version
@@ -127,22 +122,21 @@ There is a default cli named `ctr` based on the GRPC api.
This cli will allow you to create and manage containers run with containerd.
```
$ ctr -h
NAME:
ctr - High performance container daemon controller
ctr - High performance container daemon cli
USAGE:
ctr [global options] command [command options] [arguments...]
VERSION:
0.0.4
AUTHOR(S):
@crosbymichael <crosbymichael@gmail.com>
0.1.0 commit: 54c213e8a719d734001beb2cb8f130c84cc3bd20
COMMANDS:
checkpoints list all checkpoints
containers interact with running containers
events receive events from the containerd daemon
state get a raw dump of the containerd state
help, h Shows a list of commands or help for one command
GLOBAL OPTIONS:
@@ -150,14 +144,36 @@ GLOBAL OPTIONS:
--address "/run/containerd/containerd.sock" address of GRPC API
--help, -h show help
--version, -v print the version
```
### Starting a container
```
$ ctr containers start -h
NAME:
ctr containers start - start a container
USAGE:
ctr containers start [command options] [arguments...]
OPTIONS:
--checkpoint, -c checkpoint to start the container from
--attach, -a connect to the stdio of the container
--label, -l [--label option --label option] set labels for the container
```
```bash
$ sudo ctr containers start redis /containers/redis
```
Note: `/containers/redis` is the path of bundle you have to prepare before
running a contianer, see [bundle](docs/bundle.md) to get more information.
### Listing containers
```bash
$ sudo ctr containers
ID PATH STATUS PID1
ID PATH STATUS PROCESSES
1 /containers/redis running 14063
19 /containers/redis running 14100
14 /containers/redis running 14117
@@ -180,38 +196,18 @@ ID PATH STATUS PID1
0 /containers/redis running 14006
```
### Starting a container
```
$ ctr containers start -h
NAME:
start - start a container
USAGE:
command start [command options] [arguments...]
OPTIONS:
--checkpoint, -c checkpoint to start the container from
--attach, -a connect to the stdio of the container
```
```bash
$ sudo ctr containers start redis /containers/redis
```
### Kill a container's process
```
$ ctr containers kill -h
NAME:
kill - send a signal to a container or its processes
ctr containers kill - send a signal to a container or its processes
USAGE:
command kill [command options] [arguments...]
ctr containers kill [command options] [arguments...]
OPTIONS:
--pid, -p "0" pid of the process to signal within the container
--pid, -p "init" pid of the process to signal within the container
--signal, -s "15" signal to send to the container
```
@@ -220,20 +216,20 @@ OPTIONS:
```
$ ctr containers exec -h
NAME:
exec - exec another process in an existing container
ctr containers exec - exec another process in an existing container
USAGE:
command exec [command options] [arguments...]
ctr containers exec [command options] [arguments...]
OPTIONS:
--id container id to add the process to
--pid process id for the new process
--attach, -a connect to the stdio of the container
--cwd current working directory for the process
--tty, -t create a terminal for the process
--env, -e [--env option --env option] environment variables for the process
--uid, -u "0" user id of the user for the process
--gid, -g "0" group id of the user for the process
```
### Stats for a container
@@ -241,10 +237,10 @@ OPTIONS:
```
$ ctr containers stats -h
NAME:
stats - get stats for running container
ctr containers stats - get stats for running container
USAGE:
command stats [arguments...]
ctr containers stats [arguments...]
```
### List checkpoints
@@ -261,17 +257,16 @@ test2 false false false
```
$ ctr checkpoints create -h
NAME:
create - create a new checkpoint for the container
ctr checkpoints create - create a new checkpoint for the container
USAGE:
command create [command options] [arguments...]
ctr checkpoints create [command options] [arguments...]
OPTIONS:
--tcp persist open tcp connections
--unix-sockets perist unix sockets
--exit exit the container after the checkpoint completes successfully
--shell checkpoint shell jobs
```
### Get events