docker容器中如何安装vim

起因：

（学习视频分享：编程视频）

需要改动一些配置文件，但是突然发现没有安装vi命令。

jenkins@jenkins-ci-jenkins-primary-1:/$ vimbash: vim: command not found

现在但是进去docker容器里面发现没有vi或者vim。于是想要安装

jenkins@jenkins-ci-jenkins-primary-1:/$ apt-get install viE: Could not open lock file /var/lib/dpkg/lock - open (13: Permission denied)E: Unable to lock the administration directory (/var/lib/dpkg/), are you root?jenkins@jenkins-ci-jenkins-primary-1:/$

安装的时候发现没有root 权限，于是我只能跑到宿主主机上去拿root权限

[root@rancher ~]# sudo docker exec -it -u root 8745541a21226a2a064219da9b55b04aa5c43ceed84195b8555531026a5f6f56 bashroot@jenkins-ci-jenkins-primary-1:/# root@jenkins-ci-jenkins-primary-1:/# root@jenkins-ci-jenkins-primary-1:/# apt-get installReading package lists... DoneBuilding dependency treeReading state information... Done0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.root@jenkins-ci-jenkins-primary-1:/# apt-get install viReading package lists... DoneBuilding dependency treeReading state information... DoneE: Unable to locate package vi

发现用root进去，还是不能安装，原因是：没有更新APT库，那我们更新一下就好了

apt-get updateapt-get upgrade

执行命令如下

root@jenkins-ci-jenkins-primary-1:/# apt-get updateGet:1 http://security.debian.org stretch/updates 
InRelease [94.3 kB]Ign:2 http://deb.debian.org/debian stretch InReleaseGet:3 http://deb.debian.org/debian 
stretch-updates InRelease [91.0 kB]Get:4 http://deb.debian.org/debian stretch Release [118 kB]Get:5 
http://security.debian.org stretch/updates/main amd64 Packages [650 kB]Get:6 http://deb.debian.org/debian 
stretch-updates/main amd64 Packages [33.7 kB]Get:7 http://deb.debian.org/debian stretch Release.gpg [2410 
B]Get:8 http://deb.debian.org/debian stretch/main amd64 Packages [9476 kB]Fetched 10.5 MB in 13min 51s 
(12.6 kB/s)                                                                                                                            
Reading package lists... Doneroot@jenkins-ci-jenkins-primary-1:/# apt-get upgradeReading package lists... 
DoneBuilding dependency treeReading state information... DoneCalculating upgrade... DoneThe following 
packages will be upgraded:  apt base-files bsdutils bzr ca-certificates ca-certificates-java curl dbus 
debian-archive-keyring dirmngr dpkg e2fslibs e2fsprogs gcc-6-base git git-man gnupg  gnupg-agent gpgv 
iproute2 java-common libapparmor1 libapt-pkg5.0 libatk-wrapper-java libatk-wrapper-java-jni libblkid1 
libc-bin libc6 libcomerr2 libcups2  libcurl3 libcurl3-gnutls libdbus-1-3 libexpat1 libfdisk1 libfreetype6 
libgcc1 libgcrypt20 libgdk-pixbuf2.0-0 libgdk-pixbuf2.0-common libglib2.0-0 libglib2.0-data  libgnutls30 
libicu57 libidn11 liblcms2-2 libldap-2.4-2 libldap-common libmount1 libncurses5 libncursesw5 libnghttp2-14 
libperl5.24 libpng16-16 libprocps6  libpython2.7-minimal libpython2.7-stdlib libsasl2-2 libsasl2-modules-db 
libserf-1-1 libsmartcols1 libsoup-gnome2.4-1 libsoup2.4-1 libsqlite3-0 libss2 libssh2-1  libssl1.0.2 
libssl1.1 libstdc++6 libsvn1 libsystemd0 libtasn1-6 libtiff5 libtinfo5 libudev1 libuuid1 libvorbis0a 
libvorbisenc2 libwayland-client0  libwayland-cursor0 libwayland-server0 libx11-6 libx11-data libx11-dev 
libx11-doc libx11-xcb1 libxcursor1 libxkbcommon0 libxml2 mount multiarch-support  ncurses-base ncurses-bin 
openjdk-8-jdk openjdk-8-jdk-headless openjdk-8-jre openjdk-8-jre-headless openssh-client openssl perl 
perl-base perl-modules-5.24 procps  python-bzrlib python2.7 python2.7-minimal sensible-utils 
shared-mime-info subversion tzdata unzip util-linux wget113 upgraded, 0 newly installed, 0 to remove 
and 0 not upgraded.Need to get 108 MB of archives.After this operation, 2933 kB of additional disk 
space will be used.Do you want to continue? [Y/n]

安装vi

root@jenkins-ci-jenkins-primary-1:/# apt-get install vimReading package lists... DoneBuilding dependency treeReading state information... DoneThe following additional packages will be installed:  libgpm2 vim-common vim-runtime xxdSuggested packages:  gpm ctags vim-doc vim-scriptsThe following NEW packages will be installed:  libgpm2 vim vim-common vim-runtime xxd0 upgraded, 5 newly installed, 0 to remove and 0 not upgraded.Need to get 6769 kB of archives.After this operation, 31.2 MB of additional disk space will be used.Do you want to continue? [Y/n] yGet:1 http://deb.debian.org/debian stretch/main amd64 xxd amd64 2:8.0.0197-4+deb9u3 [132 kB]Get:2 http://deb.debian.org/debian stretch/main amd64 vim-common all 2:8.0.0197-4+deb9u3 [159 kB]Get:3 http://deb.debian.org/debian stretch/main amd64 libgpm2 amd64 1.20.4-6.2+b1 [34.2 kB]Get:4 http://deb.debian.org/debian stretch/main amd64 vim-runtime all 2:8.0.0197-4+deb9u3 [5409 kB]48% [4 vim-runtime 2717 kB/5409 kB 50%]

测试：

Vi 1.txt

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