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1 前言
主动命令补全是十分有用的性能,特地是当命令有特地多参数时。显然,docker/kubectl
就是这样的命令。咱们来看看如何进行命令补全。
2 查看目前应用的shell
查看以后零碎所反对的shell
有哪些:
$ cat /etc/shells # List of acceptable shells for chpass(1).# Ftpd will not allow users to connect who are not using# one of these shells./bin/bash/bin/csh/bin/dash/bin/ksh/bin/sh/bin/tcsh/bin/zsh
查看以后的shell
的几种办法:
# 查看环境变量$ echo $SHELL/bin/bash# 打印过程名$ echo $0-bash# 查看过程$ ps PID TTY TIME CMD66162 ttys005 0:00.68 -bash# 间接敲一个不存在的命令,报错信息会显示$ pkslow-bash: pkslow: command not found
3 为kubectl增加主动补全
通过命令kubectl completion -h
寻求帮忙:
查看bash
版本:
$ bash -versionGNU bash, version 3.2.57(1)-release (x86_64-apple-darwin19)Copyright (C) 2007 Free Software Foundation, Inc.
装置bash-completion
:
brew install bash-completion
复制kubectl completion bash到completion目录:
$ kubectl completion bash > $(brew --prefix)/etc/bash_completion.d/kubectl
查看要增加到.bash_prfile
的语句:
$ brew info bash-completion==> CaveatsAdd the following line to your ~/.bash_profile: [[ -r "/usr/local/etc/profile.d/bash_completion.sh" ]] && . "/usr/local/etc/profile.d/bash_completion.sh"Bash completion has been installed to: /usr/local/etc/bash_completion.d
把下面的[[ -r "/usr/local/etc/profile.d/bash_completion.sh" ]] && . "/usr/local/etc/profile.d/bash_completion.sh"
增加到.bash_profile
文件即可。
实现以上步骤,再使.bash_profile
失效即可应用了。在应用命令时,用Tab
补全命令即可,如果前缀不是惟一辨认,会把所有抉择列出来:
$ kubectl get sesecrets serviceaccounts services
4 为docker命令也增加主动补全
有了后面的根底就简略多了:
$ cd /usr/local/etc/bash_completion.d$ ln -s /Applications/Docker.app/Contents/Resources/etc/docker.bash-completion$ ln -s /Applications/Docker.app/Contents/Resources/etc/docker-machine.bash-completion$ ln -s /Applications/Docker.app/Contents/Resources/etc/docker-compose.bash-completion
从新关上一个终端即可应用了。
5 总结
对于简单的命令,增加主动命令补全还是十分有必要的,能够提高效率,缩小谬误。
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