本文介绍银河麒麟桌面系统V10上docker的常规使用及注意事项
银河麒麟桌面系统V10预装的docker,且开机自动启动了docker服务
查看服务状态
systemctl status docker
查看docker信息
sudo docker info
注意:该系统是aarch64架构,dockerhub上的大部分镜像都是x86_64架构下的,在使用dockerhub等平台的镜像时,一定要注意其架构是否支持aarch64!
原理:docker客户端指令是通过localsocket方式与dockerd后台服务进程进行通信的,只要具备该文件的读写权限就可以操作docker各项指令。默认情况下,只有root用户和docker组用户可以读写,参考如下
方案一:修改docker.sock权限
方案二:将当前用户yeqiang添加到docker组
sudo usermod --selector-tag">a -G docker yeqiang
注意:方案一立刻生效,单是零时的,系统重启或者docker服务进程重启都将重置,方案二长久有效,但需要重启系统或者重新登陆,因此一般两个方案同时执行,技能保证当前立刻生效,又能保证重启后效果不变。
启动centos容器实例
- yeqiang@yeqiang-KVM-Virtual-Machine:~$ docker run --rm -it centos /bin/bash
- Unable to find image 'centos:latest' locally
- latest: Pulling from library/centos
- 333cbcae3fb8: Pull complete
- Digest: sha256:5528e8b1b1719d34604c87e11dcd1c0a20bedf46e83b5632cdeac91b8c04efc1
- Status: Downloaded newer image for centos:latest
- [root@e7beb01e5821 /]
查看容器内CentOS信息
- [root-variable">@e7beb01e5821 /] uname -a
- Linux e7beb01e5821 4.4.131-20200901.kylin.desktop-generic kylin SMP Tue Sep 1 18:30:06 CST 2020 aarch64 aarch64 aarch64 GNU/Linux
- [root-variable">@e7beb01e5821 /] cat /etc/redhat-release
- CentOS Linux release 8.3.2011
安装file指令
- [root@e7beb01e5821 /] yum install file -y
- Failed to set locale, defaulting to C.UTF-8
- CentOS Linux 8 - AppStream 311 kB/s | 5.2 MB 00:17
- CentOS Linux 8 - BaseOS 230 kB/s | 1.9 MB 00:08
- CentOS Linux 8 - Extras 1.5 kB/s | 8.1 kB 00:05
- Dependencies resolved.
- ================================================================================================================================================================================
- Package Architecture Version Repository Size
- ================================================================================================================================================================================
- Installing:
- file aarch64 5.33-16.el8 baseos 77 k
-
- Transaction Summary
- ================================================================================================================================================================================
- Install 1 Package
-
- Total download size: 77 k
- Installed size: 135 k
- Downloading Packages:
- file-5.33-16.el8.aarch64.rpm 303 kB/s | 77 kB 00:00
- --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
- Total 104 kB/s | 77 kB 00:00
- warning: /var/cache/dnf/baseos-01ed9fc6ac393b86/packages/file-5.33-16.el8.aarch64.rpm: Header V3 RSA/SHA256 Signature, key ID 8483c65d: NOKEY
- CentOS Linux 8 - BaseOS 1.6 MB/s | 1.6 kB 00:00
- Importing GPG key 0x8483C65D:
- Userid : "CentOS (CentOS Official Signing Key) <security@centos.org>"
- Fingerprint: 99DB 70FA E1D7 CE22 7FB6 4882 05B5 55B3 8483 C65D
- From : /etc/pki/rpm-gpg/RPM-GPG-KEY-centosofficial
- Key imported successfully
- Running transaction check
- Transaction check succeeded.
- Running transaction test
- Transaction test succeeded.
- Running transaction
- Preparing : 1/1
- Installing : file-5.33-16.el8.aarch64 1/1
- Running scriptlet: file-5.33-16.el8.aarch64 1/1
- Verifying : file-5.33-16.el8.aarch64 1/1
-
- Installed:
- file-5.33-16.el8.aarch64
-
- Complete!
查看文件信息,可以看到可执行程序、库都是aarch64(arm64)架构
查看安装的软件包,可以看到都是aarch64或者noarch
- [root@e7beb01e5821 bin] rpm -qa
- crypto-policies-20200713-1.git51d1222.el8.noarch
- python3-pip-wheel-9.0.3-18.el8.noarch
- ncurses-base-6.1-7.20180224.el8.noarch
- dnf-data-4.2.23-4.el8.noarch
- dbus-common-1.12.8-11.el8.noarch
- centos-linux-release-8.3-1.2011.el8.noarch
- setup-2.12.2-6.el8.noarch
- basesystem-11-5.el8.noarch
- libselinux-2.9-4.el8_3.aarch64
- glibc-minimal-langpack-2.28-127.el8.aarch64
- glibc-2.28-127.el8.aarch64
- libsepol-2.9-1.el8.aarch64
- xz-libs-5.2.4-3.el8.aarch64
- libcap-2.26-4.el8.aarch64
- info-6.5-6.el8.aarch64
- libcom_err-1.45.6-1.el8.aarch64
- libxml2-2.9.7-8.el8.aarch64
- expat-2.2.5-4.el8.aarch64
- libuuid-2.32.1-24.el8.aarch64
- chkconfig-1.13-2.el8.aarch64
- gmp-6.1.2-10.el8.aarch64
- libattr-2.4.48-3.el8.aarch64
- coreutils-single-8.30-8.el8.aarch64
- sed-4.5-2.el8.aarch64
- libcap-ng-0.7.9-5.el8.aarch64
- libffi-3.1-22.el8.aarch64
- libzstd-1.4.4-1.el8.aarch64
- lz4-libs-1.8.3-2.el8.aarch64
- libgcrypt-1.8.5-4.el8.aarch64
- gzip-1.9-9.el8.aarch64
- libunistring-0.9.9-3.el8.aarch64
- libassuan-2.5.1-3.el8.aarch64
- keyutils-libs-1.5.10-6.el8.aarch64
- p11-kit-trust-0.23.14-5.el8_0.aarch64
- pcre-8.42-4.el8.aarch64
- systemd-libs-239-41.el8_3.aarch64
- dbus-tools-1.12.8-11.el8.aarch64
- libusbx-1.0.23-4.el8.aarch64
- ca-certificates-2020.2.41-80.0.el8_2.noarch
- libdb-5.3.28-39.el8.aarch64
- ima-evm-utils-1.1-5.el8.aarch64
- libdb-utils-5.3.28-39.el8.aarch64
- xz-5.2.4-3.el8.aarch64
- gdbm-1.18-1.el8.aarch64
- shadow-utils-4.6-11.el8.aarch64
- libutempter-1.1.6-14.el8.aarch64
- acl-2.2.53-1.el8.aarch64
- nettle-3.4.1-2.el8.aarch64
- glib2-2.56.4-8.el8.aarch64
- libcomps-0.1.11-4.el8.aarch64
- findutils-4.6.0-20.el8.aarch64
- cpio-2.12-8.el8.aarch64
- ipcalc-0.2.4-4.el8.aarch64
- iproute-5.3.0-5.el8.aarch64
- libpcap-1.9.1-4.el8.aarch64
- libseccomp-2.4.3-1.el8.aarch64
- gawk-4.2.1-1.el8.aarch64
- krb5-libs-1.18.2-5.el8.aarch64
- libnsl2-1.2.0-2.20180605git4a062cf.el8.aarch64
- platform-python-3.6.8-31.el8.aarch64
- libpwquality-1.4.0-9.el8.aarch64
- util-linux-2.32.1-24.el8.aarch64
- curl-7.61.1-14.el8.aarch64
- rpm-libs-4.14.3-4.el8.aarch64
- device-mapper-1.02.171-5.el8.aarch64
- cryptsetup-libs-2.3.3-2.el8.aarch64
- elfutils-libs-0.180-1.el8.aarch64
- systemd-239-41.el8_3.aarch64
- iputils-20180629-2.el8.aarch64
- libkcapi-hmaccalc-1.2.0-2.el8.aarch64
- dracut-049-95.git20200804.el8.aarch64
- python3-libcomps-0.1.11-4.el8.aarch64
- dhcp-client-4.3.6-41.el8.aarch64
- cyrus-sasl-lib-2.1.27-5.el8.aarch64
- libyaml-0.1.7-5.el8.aarch64
- npth-1.5-4.el8.aarch64
- gpgme-1.13.1-3.el8.aarch64
- libdnf-0.48.0-5.el8.aarch64
- python3-hawkey-0.48.0-5.el8.aarch64
- rpm-build-libs-4.14.3-4.el8.aarch64
- python3-dnf-4.2.23-4.el8.noarch
- yum-4.2.23-4.el8.noarch
- binutils-2.30-79.el8.aarch64
- vim-minimal-8.0.1763-15.el8.aarch64
- less-530-1.el8.aarch64
- rootfiles-8.1-22.el8.noarch
- file-5.33-16.el8.aarch64
- libgcc-8.3.1-5.1.el8.aarch64
- python3-setuptools-wheel-39.2.0-6.el8.noarch
- tzdata-2020d-1.el8.noarch
- libreport-filesystem-2.9.5-15.el8.aarch64
- dhcp-common-4.3.6-41.el8.noarch
- centos-gpg-keys-8-2.el8.noarch
- centos-linux-repos-8-2.el8.noarch
- filesystem-3.8-3.el8.aarch64
- pcre2-10.32-2.el8.aarch64
- ncurses-libs-6.1-7.20180224.el8.aarch64
- glibc-common-2.28-127.el8.aarch64
- bash-4.4.19-12.el8.aarch64
- zlib-1.2.11-16.el8_2.aarch64
- bzip2-libs-1.0.6-26.el8.aarch64
- libgpg-error-1.31-1.el8.aarch64
- elfutils-libelf-0.180-1.el8.aarch64
- libxcrypt-4.1.1-4.el8.aarch64
- sqlite-libs-3.26.0-11.el8.aarch64
- libstdc++-8.3.1-5.1.el8.aarch64
- popt-1.16-14.el8.aarch64
- readline-7.0-10.el8.aarch64
- json-c-0.13.1-0.2.el8.aarch64
- libacl-2.2.53-1.el8.aarch64
- libblkid-2.32.1-24.el8.aarch64
- libmount-2.32.1-24.el8.aarch64
- audit-libs-3.0-0.17.20191104git1c2f876.el8.aarch64
- libsmartcols-2.32.1-24.el8.aarch64
- lua-libs-5.3.4-11.el8.aarch64
- p11-kit-0.23.14-5.el8_0.aarch64
- file-libs-5.33-16.el8.aarch64
- cracklib-2.9.6-15.el8.aarch64
- libidn2-2.2.0-1.el8.aarch64
- gdbm-libs-1.18-1.el8.aarch64
- libtasn1-4.13-3.el8.aarch64
- lzo-2.08-14.el8.aarch64
- grep-3.1-6.el8.aarch64
- dbus-libs-1.12.8-11.el8.aarch64
- dhcp-libs-4.3.6-41.el8.aarch64
- procps-ng-3.3.15-3.el8.aarch64
- openssl-libs-1.1.1g-11.el8.aarch64
- kmod-libs-25-16.el8.aarch64
- kmod-25-16.el8.aarch64
- libarchive-3.3.2-9.el8.aarch64
- squashfs-tools-4.3-19.el8.aarch64
- libsemanage-2.9-3.el8.aarch64
- dbus-daemon-1.12.8-11.el8.aarch64
- libfdisk-2.32.1-24.el8.aarch64
- mpfr-3.1.6-1.el8.aarch64
- gnutls-3.6.14-6.el8.aarch64
- snappy-1.1.8-3.el8.aarch64
- libmetalink-0.1.3-7.el8.aarch64
- libksba-1.3.5-7.el8.aarch64
- ethtool-5.0-2.el8.aarch64
- libmnl-1.0.4-6.el8.aarch64
- libnghttp2-1.33.0-3.el8_2.1.aarch64
- iptables-libs-1.8.4-15.el8.aarch64
- libsigsegv-2.11-5.el8.aarch64
- libverto-0.3.0-5.el8.aarch64
- libtirpc-1.1.4-4.el8.aarch64
- platform-python-setuptools-39.2.0-6.el8.noarch
- python3-libs-3.6.8-31.el8.aarch64
- pam-1.3.1-11.el8.aarch64
- libcurl-minimal-7.61.1-14.el8.aarch64
- rpm-4.14.3-4.el8.aarch64
- libsolv-0.7.11-1.el8.aarch64
- device-mapper-libs-1.02.171-5.el8.aarch64
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