增加 docker ram 以在 linux 上安装哨兵服务器

Question

I am trying to install sentry docker on my linux.After clone it's repository:

git clone https://github.com/getsentry/onpremise

I run this

$ ./install.sh 

but i got this error:

alt@mx-alt:/mnt/Software/Linux/sentry/onpremise
$ ./install.sh 
Checking minimum requirements...
FAIL: Expected minimum RAM available to Docker to be 2400 MB but found  MB

this is my docker info:

$ sudo docker info
Client:
 Debug Mode: false

Server:
 Containers: 1
  Running: 0
  Paused: 0
  Stopped: 1
 Images: 1
 Server Version: 19.03.13
 Storage Driver: overlay2
  Backing Filesystem: extfs
  Supports d_type: true
  Native Overlay Diff: true
 Logging Driver: json-file
 Cgroup Driver: cgroupfs
 Plugins:
  Volume: local
  Network: bridge host ipvlan macvlan null overlay
  Log: awslogs fluentd gcplogs gelf journald json-file local logentries splunk syslog
 Swarm: inactive
 Runtimes: runc
 Default Runtime: runc
 Init Binary: docker-init
 containerd version: 8fba4e9a7d01810a393d5d25a3621dc101981175
 runc version: dc9208a3303feef5b3839f4323d9beb36df0a9dd
 init version: fec3683
 Security Options:
  seccomp
   Profile: default
 Kernel Version: 4.19.0-12-amd64
 Operating System: Debian GNU/Linux 10 (buster)
 OSType: linux
 Architecture: x86_64
 CPUs: 4
 Total Memory: 15.63GiB
 Name: mx-alt
 ID: DRNU:OLX2:5VCT:GPNW:I3OV:4OHB:43UU:OVZL:OH5Y:5A2U:7MJA:SBHU
 Docker Root Dir: /var/lib/docker
 Debug Mode: false
 Registry: https://index.docker.io/v1/
 Labels:
 Experimental: false
 Insecure Registries:
  127.0.0.0/8
 Live Restore Enabled: false

increase docker ram on linux?

Answer 1

I write my answer maybe help to someone!

1 - I pull busybox first:

$ docker pull  busybox 
Using default tag: latest
latest: Pulling from library/busybox
5f5dd3e95e9f: Pull complete 
Digest: sha256:9f1c79411e054199210b4d489ae600a061595967adb643cd923f8515ad8123d2
Status: Downloaded newer image for busybox:latest
docker.io/library/busybox:latest
alt@mx-alt:~


alt@mx-alt:~
$ sudo docker run --rm busybox free -m 2
              total        used        free      shared  buff/cache   available
Mem:          16009        2176       11539         208        2293       13350
Swap:          8191           0        8191
alt@mx-alt:~

2-./install.sh

Done.