【问题标题】:Issue installing RVM for RoR in Ubuntu在 Ubuntu 中为 RoR 安装 RVM 时出现问题
【发布时间】:2010-03-02 22:39:56
【问题描述】:

我正在尝试在我的新 eeeubuntu 安装上安装 Ruby on Rails,但我认为我在正确安装 RVM 时遇到了一些问题。

我安装了 GIT,一切顺利。我安装了 RVM 并在安装时告诉我添加

if [[ -s /home/derek/.rvm/scripts/rvm ]] ; then source /home/derek/.rvm/scripts/rvm ; fi

到 .bashrc 结尾 我做到了。

然后它说如果我在 .bashrc 中有返回值,它会导致错误。所以它说把所有东西都移到下面

# If not running interactively, don't do anything
[ -z "$PS1" ] && return

到 .bash_profile 我做到了。当我尝试运行“rvm install 1.9.1”时,我得到了这个

No command 'rvm' found, but there are 20 similar ones
rvm: command not found

那我做错了什么?

这是我的 .bashrc 和 .bash_profile 的内容

.bashrc

# ~/.bashrc: executed by bash(1) for non-login shells.
# see /usr/share/doc/bash/examples/startup-files (in the package bash-doc)
# for examples

# If not running interactively, don't do anything
[ -z "$PS1" ] && return

.bash_profile

# don't put duplicate lines in the history. See bash(1) for more options
# don't overwrite GNU Midnight Commander's setting of `ignorespace'.
HISTCONTROL=$HISTCONTROL${HISTCONTROL+,}ignoredups
# ... or force ignoredups and ignorespace
HISTCONTROL=ignoreboth

# append to the history file, don't overwrite it
shopt -s histappend

# for setting history length see HISTSIZE and HISTFILESIZE in bash(1)

# check the window size after each command and, if necessary,
# update the values of LINES and COLUMNS.
shopt -s checkwinsize

# make less more friendly for non-text input files, see lesspipe(1)
[ -x /usr/bin/lesspipe ] && eval "$(SHELL=/bin/sh lesspipe)"

# set variable identifying the chroot you work in (used in the prompt below)
if [ -z "$debian_chroot" ] && [ -r /etc/debian_chroot ]; then
    debian_chroot=$(cat /etc/debian_chroot)
fi

# set a fancy prompt (non-color, unless we know we "want" color)
case "$TERM" in
    xterm-color) color_prompt=yes;;
esac

# uncomment for a colored prompt, if the terminal has the capability; turned
# off by default to not distract the user: the focus in a terminal window
# should be on the output of commands, not on the prompt
#force_color_prompt=yes

if [ -n "$force_color_prompt" ]; then
    if [ -x /usr/bin/tput ] && tput setaf 1 >&/dev/null; then
 # We have color support; assume it's compliant with Ecma-48
 # (ISO/IEC-6429). (Lack of such support is extremely rare, and such
 # a case would tend to support setf rather than setaf.)
color_prompt=yes
    else
 color_prompt=
    fi
fi

if [ "$color_prompt" = yes ]; then
    PS1='${debian_chroot:+($debian_chroot)}\[\033[01;32m\]\u@\h\[\033[00m\]:\[\033[01;    34m\]\w\[\033[00m\]\$ '
else
    PS1='${debian_chroot:+($debian_chroot)}\u@\h:\w\$ '
fi
unset color_prompt force_color_prompt

# If this is an xterm set the title to user@host:dir
case "$TERM" in
xterm*|rxvt*)
    PS1="\[\e]0;${debian_chroot:+($debian_chroot)}\u@\h: \w\a\]$PS1"
    ;;
*)
    ;;
esac

# enable color support of ls and also add handy aliases
if [ -x /usr/bin/dircolors ]; then
    test -r ~/.dircolors && eval "$(dircolors -b ~/.dircolors)" || eval "$(dircolors -b)"
    alias ls='ls --color=auto'
    #alias dir='dir --color=auto'
    #alias vdir='vdir --color=auto'

    alias grep='grep --color=auto'
    alias fgrep='fgrep --color=auto'
    alias egrep='egrep --color=auto'
fi

# some more ls aliases
#alias ll='ls -l'
#alias la='ls -A'
#alias l='ls -CF'

# Alias definitions.
# You may want to put all your additions into a separate file like
# ~/.bash_aliases, instead of adding them here directly.
# See /usr/share/doc/bash-doc/examples in the bash-doc package.

if [ -f ~/.bash_aliases ]; then
    . ~/.bash_aliases
fi

# enable programmable completion features (you don't need to enable
# this, if it's already enabled in /etc/bash.bashrc and /etc/profile
# sources /etc/bash.bashrc).
if [ -f /etc/bash_completion ] && ! shopt -oq posix; then
    . /etc/bash_completion
fi

if [[ -s /home/derek/.rvm/scripts/rvm ]] ; then source /home/derek/.rvm/scripts/rvm ; fi

【问题讨论】:

    标签: ruby-on-rails ubuntu rvm


    【解决方案1】:

    您无需移动,只需删除return

    您还需要向.bashrc 添加一些代码。您已将其添加到 .bash_profile,但未添加到 .bashrc。您需要附加的行是

    if [[ -s /home/derek/.rvm/scripts/rvm ]] ; then source /home/derek/.rvm/scripts/rvm ; fi
    

    请再次仔细阅读安装程序的说明!我不确定您是否需要添加其他内容。

    【讨论】:

    • 谢谢你这样做。我不需要添加任何其他内容,只是删除了使它起作用的返回。
    【解决方案2】:

    我添加到 .bashrc export PATH=~/.rvm/bin:$PATH 并且它对我有用

    【讨论】:

      【解决方案3】:

      在我的ubuntu上我做到了

      echo 'source "$HOME/.rvm/scripts/rvm"' >> $HOME/.bashrc
      

      所以我的 .bashrc 看起来像这样

      tail -n 5  $HOME/.bashrc
      
      
      PATH=$PATH:$HOME/.rvm/bin # Add RVM to PATH for scripting
      source "$HOME/.rvm/scripts/rvm"
      

      【讨论】:

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