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桌面版的ubuntu 11.10 1.先检查是否安装了ruby  : $ which ruby 2.安装依赖的包：$ sudo apt-get install curl git-core ruby 3.安装rvm 按照说明 ：http://rvm.beginrescueend.com/rvm/install/ 安装rvm参考：http://www.christoph...

Known Hosts bugIf you are not using agent forwarding, the first time you deploy may fail due to Capistrano not prompting with this message:# The authenticity of host 'github.com (207.97.227.23...

gem install nokogiri 提示错误，冒失一些 依赖的包没有找到....libxslt is missing....让去 http://nokogiri.org/tutorials/installing_nokogiri.html 查看，打不开呀。好像：这样就可以搞定sudo apt-get install libxslt-dev libxml...

> gem install mysql2Building native extensions. This could take a while...ERROR: Error installing mysql2: ERROR: Failed to build gem native extension.============8sudo apt-get install...

You could simply echo (with elevated privileges, of course) directly to the /etc/sudoers file:nickw444@laptop ~ $ sudo -inickw444@laptop ~ $ echo 'nickw444 ALL=(ALL:ALL) ALL' >> /etc/sudoers(...

[size=large]一。mysql安装[/size]>sudo apt-get install mysql-server安装过程中 设定 root 的 密码。。输入两次。。[size=large]二。mysql的配置[/size]vim /etc/mysql/my.cnf去掉注释的 最大连接60，改为：max_connections=1024[client]...

为了测试这个 passenger 先 放个项目 上去。。。建了个项目，配置了 capistrano 的 deploy.rbcap deploy:setupcap deploy:cold在项目目录下 运行： passenger start 提示安装： apt-get install libcrul4-openssl-dev or 。。。安装...

　　在Ubuntu下经常用putty，老是为这个复制粘贴的事情搞得很郁闷，今天有空，网上搜了一下，原来gnome还有这种贴心的功能：　　Linux users:　　In Gnome,　　you can paste text without previously copying it to the clipboard.　　How does this work? First, high...

[size=x-large]准备：[/size]安装 curl ：[i]sudo apt-get install curl[/i][size=x-large]开始安装[/size]curl -L get.rvm.io | bash -s stable[size=x-large]配置[/size][i]source ~/.bashrc[/i]...

[b]声明：我是使用root 帐户安装的。。安装的是 多用户，所以直接安装在 /usr/local/rvm下面[/b]Ubuntu 的 Shell语言用的是Bash Shell[size=x-large]1.参考：rvm.io 官网[/size]直接使用 curl -L get.rvm.io | bash -s stable 命令 是不行的。来自： https://r...

先前的开发的Ruby on Rails网站使用的服务程序是Mongrel + Nginx， 现在用了Rails 3， 发现Mongrel对它有兼容问题， 所以要换一个。 虽然现在Phusion Passenger大行其道， 但使用前要重新编译Nginx。 为了避免重新安装nginx，我找到mongrel的替代品Unicorn。 没想到unicorn的设置非常方便。 我记录在这里供大家参考：...

sqlite3-ruby gem can't find sqlite3.h on ubuntuIn my case I had to install libsqlite3-devsudo apt-get install libsqlite3-dev

ImageMagick is a powerful suite of tools in Ubuntu for scripting batch manipulations of images. Conversion between formats, resizing and hundreds of sophisticated filters can all be automated with onl...

怎么让Vim不自动生成这些备份文件呢？ 1. 找到你的Vim安装目录，如果是在Windows下默认路径安装的，应该是在C:\Program Files\Vim\ 2. 找到这个文件：vimrc_example.vim ，我的这个文件是在vim70文件夹下，具体还要看你安装的是什么版本的。 3. 找到后打开，找到这一句：if has("vms") 把这个判断里的if部分保留，else...

Hi,For some reason I cannot get WEBrick to boot anymore. I installed and used Eclipse yesterday and all was working fine but today I m getting this: $ ruby script/server=> Bo...

启动redis时候提示： ARE YOU SURE YOU WANT TO USE VM?Redis Virtual Memory is going to be deprecated soon,we think you should NOT use it, but use Redis only ifyour data is suitable for an in-me...

http://www.mongodb.org/downloads From: http://blog.youkuaiyun.com/sheismylife/article/details/6737127 =================获取最新版本 wget http://fastdl.mongodb.org/linux/mongodb-linux-x86_64-2.0.2.tg...

（修改05.29） 大致思路：  1.获取 版本 git pull origin master2.新建分支 （默认是master） git branch   local3.切换到 新的版本上去             git checkout local  （do something ......做今天该做的事情吧。。。） 4.完成工作后，切换到master...

administrator@ubuntu:~/store$ gem install mysql2 Fetching: mysql2-0.3.13.gem (100%)Building native extensions. This could take a while...ERROR: Error installing mysql2: ERROR: Failed to b...