Latex - Installing TexLive vanilla (ubuntu)

Great instructions can be found here:

http://tex.stackexchange.com/

Updating via texlive manager (option -gui available)

tlmgr 

Ubuntu - merge several pdf

gs -dNOPAUSE -sDEVICE=pdfwrite -sOUTPUTFILE=app.pdf -dBATCH application.pdf 201302cv.pdf 

Ubuntu - Replace string in all files in one directory

use du

grep -rl 'string' somedir/ | xargs sed -i 's/string/string2/g'

Ubuntu - Samba file sharing

• install samba
  
• config file in: etc/samba (examples)
  
• create the corresponding smb user: sudo smbpasswd -a user
  

Simple Example (German) here

set up git for the first use (with rails)

After installing the packages git-core and gitosis:

configure

git config --global user.name "username"
git config --global user.email "user@mail.com"
git config --global core.editor "emacs -w"

run

git init

customize the .gitignore file
examples here

add your project to git

git add . ## from your project folder

to see which files are in the staging area:

git status

to tell Git you want to keep the changes

git commit -m "initial commit"

list of commit messages:

git log

undo changes

git checkout -f ## -f flag to force overwriting the current changes

get key through proxy

gpg --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys E084DAB9

Adding a public key

gpg --keyserver keyserver.ubuntu.com --recv keyid
gpg --export --armor keyid | sudo apt-key add -