Merge pull request #181 from laomaiweng/cheatsheets

Additional cheatsheets: rpm, hub

cheat/cheatsheets/hub

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+As a contributor to open-source
+-------------------------------
+
+# clone your own project
+$ git clone dotfiles
+→ git clone git://github.com/YOUR_USER/dotfiles.git
+
+# clone another project
+$ git clone github/hub
+→ git clone git://github.com/github/hub.git
+
+# see the current project's issues
+$ git browse -- issues
+→ open https://github.com/github/hub/issues
+
+# open another project's wiki
+$ git browse mojombo/jekyll wiki
+→ open https://github.com/mojombo/jekyll/wiki
+
+## Example workflow for contributing to a project:
+$ git clone github/hub
+$ cd hub
+# create a topic branch
+$ git checkout -b feature
+→ ( making changes ... )
+$ git commit -m "done with feature"
+# It's time to fork the repo!
+$ git fork
+→ (forking repo on GitHub...)
+→ git remote add YOUR_USER git://github.com/YOUR_USER/hub.git
+# push the changes to your new remote
+$ git push YOUR_USER feature
+# open a pull request for the topic branch you've just pushed
+$ git pull-request
+→ (opens a text editor for your pull request message)
+
+
+As an open-source maintainer
+----------------------------
+
+# fetch from multiple trusted forks, even if they don't yet exist as remotes
+$ git fetch mislav,cehoffman
+→ git remote add mislav git://github.com/mislav/hub.git
+→ git remote add cehoffman git://github.com/cehoffman/hub.git
+→ git fetch --multiple mislav cehoffman
+
+# check out a pull request for review
+$ git checkout https://github.com/github/hub/pull/134
+→ (creates a new branch with the contents of the pull request)
+
+# directly apply all commits from a pull request to the current branch
+$ git am -3 https://github.com/github/hub/pull/134
+
+# cherry-pick a GitHub URL
+$ git cherry-pick https://github.com/xoebus/hub/commit/177eeb8
+→ git remote add xoebus git://github.com/xoebus/hub.git
+→ git fetch xoebus
+→ git cherry-pick 177eeb8
+
+# `am` can be better than cherry-pick since it doesn't create a remote
+$ git am https://github.com/xoebus/hub/commit/177eeb8
+
+# open the GitHub compare view between two releases
+$ git compare v0.9..v1.0
+
+# put compare URL for a topic branch to clipboard
+$ git compare -u feature | pbcopy
+
+# create a repo for a new project
+$ git init
+$ git add . && git commit -m "It begins."
+$ git create -d "My new thing"
+→ (creates a new project on GitHub with the name of current directory)
+$ git push origin master

cheat/cheatsheets/readline

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+    Moving around
+Ctrl-b      Move the cursor             one character               ⇦ to the left
+Ctrl-f      Move the cursor             one character               ⇨ to the right
+Alt-b       Move the cursor             one word                    ⇦ to the left
+Alt-f       Move the cursor             one word                    ⇨ to the right
+Ctrl-a      Move the cursor                                         ⇤ to the start of the line
+Ctrl-e      Move the cursor                                         ⇥ to the end of the line
+Ctrl-x-x    Move the cursor                                         ⇤⇥ to the start, and to the end again
+
+    Cut, copy and paste
+Backspace   Delete                      the character               ⇦ to the left of the cursor
+DEL
+Ctrl-d      Delete                      the character               underneath the cursor
+Ctrl-u      Delete                      everything                  ⇤ from the cursor back to the line start
+Ctrl-k      Delete                      everything                  ⇥ from the cursor to the end of the line
+Alt-d       Delete                      word                        ⇨ until before the next word boundary
+Ctrl-w      Delete                      word                        ⇦ until after the previous word boundary
+Ctrl-y      Yank/Paste                  prev. killed text           at the cursor position
+Alt-y       Yank/Paste                  prev. prev. killed text     at the cursor position
+
+    History
+Ctrl-p      Move in history             one line                    ⇧ before this line
+Ctrl-n      Move in history             one line                    ⇩ after this line
+Alt->       Move in history             all the lines               ⇩ to the line currently being entered
+Ctrl-r      Incrementally search        the line history            ⇧ backwardly
+Ctrl-s      Incrementally search        the line history            ⇩ forwardly
+Ctrl-J      End an incremental search
+Ctrl-G      Abort an incremental search and restore the original line
+Alt-Ctrl-y  Yank/Paste                  arg. 1 of prev. cmnd        at the cursor position
+Alt-.
+Alt-_       Yank/Paste                  last arg of prev. cmnd      at the cursor position
+
+    Undo
+Ctrl-_
+Ctrl-x
+Ctrl-u      Undo the last editing command; you can undo all the way back to an empty line
+Alt-r       Undo all changes made to this line
+Ctrl-l      Clear the screen, reprinting the current line at the top
+Ctrl-l      Clear the screen, reprinting the current line at the top
+
+    Completion
+TAB         Auto-complete a name
+Alt-/       Auto-complete a name (without smart completion)
+Alt-?       List the possible completions of the preceeding text
+Alt-*       Insert all possible completions of the preceeding text
+
+    Transpose
+Ctrl-t      Transpose/drag              char. before the cursor     ↷ over the character at the cursor
+Alt-t       Transpose/drag              word before the cursor      ↷ over the word at/after the cursor

cheat/cheatsheets/rpm

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+# To install a package:
+rpm -ivh <rpm>
+
+# To remove a package:
+rpm -e <package>
+
+# To find what package installs a file:
+rpm -qf </path/to/file>
+
+# To find what files are installed by a package:
+rpm -qpl <rpm>
+
+# To list all installed packages:
+rpm -qa