vmware安装fedora-coreos

Posted 2020-12-18 xiaochina

概述

通过vmware平台，iso的fedora-core安装到bare-metal,docker/podman

doc

https://docs.fedoraproject.org/en-US/fedora-coreos/bare-metal/

download

fedora-coreos-32.20200629.3.0-live.x86_64.iso

check os

//挂载iso启动进入会自动分配ip,查看服务器相关信息
[core@localhost ~]$ ip a   //网卡名字 ens32
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host 
       valid_lft forever preferred_lft forever
2: ens32: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000
    link/ether 00:0c:29:d5:d2:69 brd ff:ff:ff:ff:ff:ff
    altname enp2s0
    inet 192.168.3.22/24 brd 192.168.3.255 scope global dynamic noprefixroute ens32
       valid_lft 86132sec preferred_lft 86132sec
    inet6 fe80::20c:29ff:fed5:d269/64 scope link noprefixroute 
       valid_lft forever preferred_lft forever
[core@localhost ~]$ sudo fdisk -l   //磁盘名字 /dev/nvme0n1
Disk /dev/nvme0n1: 20 GiB, 21474836480 bytes, 41943040 sectors
Disk model: VMware Virtual NVMe Disk
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes

Disk /dev/loop0: 615.51 MiB, 645394432 bytes, 1260536 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes

[core@localhost ~]$ coreos-installer --help   //coreos-installer
coreos-installer 0.2.1
USAGE:
    coreos-installer
    coreos-installer <SUBCOMMAND>

OPTIONS:
    -h, --help       Prints help information
    -V, --version    Prints version information

SUBCOMMANDS:
    install        Install Fedora CoreOS or RHEL CoreOS
    download       Download a CoreOS image
    list-stream    List available images in a Fedora CoreOS stream
    iso            Embed an Ignition config in a CoreOS live ISO image
[core@localhost ~]$ coreos-installer install --help
coreos-installer-install 
Install Fedora CoreOS or RHEL CoreOS

USAGE:
    coreos-installer install [OPTIONS] <device>

OPTIONS:
    -s, --stream <name>             Fedora CoreOS stream
    -u, --image-url <URL>           Manually specify the image URL  //iso
    -f, --image-file <path>         Manually specify a local image file
    -i, --ignition-file <path>      Embed an Ignition config from a file
        --ignition-hash <digest>    Digest (type-value) of the Ignition config
    -p, --platform <name>           Override the Ignition platform ID
        --firstboot-args <args>     Additional kernel args for the first boot
    -n, --copy-network              Copy network config from install environment
        --network-dir <path>
            For use with -n. [default: /etc/NetworkManager/system-connections/]

        --offline                   Force offline installation
        --insecure                  Skip signature verification
        --stream-base-url <URL>     Base URL for Fedora CoreOS stream metadata
        --architecture <name>       Target CPU architecture [default: x86_64]
        --preserve-on-error         Don‘t clear partition table on error
    -h, --help                      Prints help information

ARGS:
    <device>    Destination device

allow ssh passwd login

[core@core-3-60 docker]$ sudo su - 
Last login: Sat Jul 25 11:05:15 UTC 2020 on pts/0
[root@core-3-60 ~]# cd /etc/ssh/sshd_config.d/
[root@core-3-60 sshd_config.d]# ll
total 12
-rw-r--r--. 1 root root  210 Jul 10 18:13 40-disable-passwords.conf
-rw-r--r--. 1 root root  262 Jul 10 18:13 40-ssh-key-dir.conf
-rw-------. 1 root root 1002 Jul 10 18:13 50-redhat.conf
[root@core-3-60 sshd_config.d]# cat 40-disable-passwords.conf 
# Disable password logins by default.
# https://github.com/coreos/fedora-coreos-tracker/issues/138
# This file must sort before 50-redhat.conf, which enables
# PasswordAuthentication.
PasswordAuthentication no  // yes
[root@core-3-60 sshd_config.d]# systemctl restart sshd

passwd core //set passwd

fcos.fcc

//简单的

variant: fcos
version: 1.0.0
passwd:
  users:
    - name: core
      ssh_authorized_keys:
        - ssh-rsa <ssh-pub-key>

//附带网络设置

variant: fcos
version: 1.0.0
storage:
  files:
    - path: /etc/NetworkManager/system-connections/eth0.nmconnection
      mode: 0600
      overwrite: true
      contents:
        inline: |
          [connection]
          type=ethernet
          interface-name=eth0  //ens32,根据实际的情况设置
          [ipv4]
          method=manual
          addresses=192.168.3.60/24
          gateway=192.168.3.1
          dns=223.5.5.5;8.8.8.8
passwd:
  users:
    - name: core
      ssh_authorized_keys:
        - "ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQCsKc8PGzOU/+i73RqyHknBfiIMaHETSFjPvCgVcysx41v0jazIZzaGl//7G+MgEQrU0yxR6LaC2RFTGN8D0w2Ugqnvocuudr+jVoTrC0KrPv1Dhqepgnk8cg2QGHWpwhg2vUx6arW0MNbUo35q0Q1cdBjYcMctwIuT8p39uGYjIk/PkQvFtc3czGlxeLQAwGFTQgNkUTOEAuV/VgX3gmzrYBnnrKxRZKZkzt9a3VD8hCuDPV6aJixzN+H33Ix5ajEU/etXX5eUZXcWa8EbF0+acsPeVgB/vaqKDGjXbB3ngcsKoaeBX24FwtBdr/VydYtnyOrDvRt12i+GAwKuWJol"
      groups: [ sudo, docker ]

其中的信息请按情况设置，网络，ssh秘钥，网卡名字等相关信息，切记！！！

fcos.fcc-fcos.ign

docker pull quay.io/coreos/fcct
docker run -i --rm quay.io/coreos/fcct --pretty --strict <fcos.fcc > fcos.ign

install on bare-metal

sudo coreos-installer install /dev/nvme0n1 --ignition-file fcos.ign

[core@localhost ~]$ sudo coreos-installer install /dev/nvme0n1 --ignition-file fcos.ign
Installing Fedora CoreOS 32.20200629.3.0 x86_64 (512-byte sectors)
> Read disk 2.7 GiB/2.7 GiB (100%)    
Writing Ignition config
Install complete.

//iso下载不通过网络的形式
sudo coreos-installer install /dev/sda --ignition-file fcos.ign -u http://192.168.1.251/fedora-coreos-31.20200323.3.2-live.x86_64.iso

docker-hub china

sudo su - 

cat >> /etc/docker/daemon.json <<‘EOF‘
{
  "registry-mirrors": ["https://ierl59hw.mirror.aliyuncs.com"]
}
EOF

systemctl restart docker

[core@core-3-60 ~]$ docker run --rm alpine ip a
Unable to find image ‘alpine:latest‘ locally
latest: Pulling from library/alpine
df20fa9351a1: Pull complete 
Digest: sha256:185518070891758909c9f839cf4ca393ee977ac378609f700f60a771a2dfe321
Status: Downloaded newer image for alpine:latest
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
4: eth0@if5: <BROADCAST,MULTICAST,UP,LOWER_UP,M-DOWN> mtu 1500 qdisc noqueue state UP 
    link/ether 02:42:ac:11:00:02 brd ff:ff:ff:ff:ff:ff
    inet 172.17.0.2/16 brd 172.17.255.255 scope global eth0
       valid_lft forever preferred_lft forever

//podman info mirrros

  - registry.fedoraproject.org
  - registry.access.redhat.com
  - registry.centos.org
  - docker.io