Ubuntu menu editor - alacarte

very useful tool sudo apt install alacarte

Equation Editor: LaTeX - Equalx

Install qeualx sudo apt install equalx List of LaTeX mathematical symbols

Ubuntu module blacklist

Edit blacklist.conf sudo gedit /etc/modprobe.d/blacklist.conf Add below statement at the end of the blacklist.conf blacklist [module name] Update ramfs and reboot sudo update-initramfs -u sudo reboot

Linux and Unix grep command

memo for frequently used command grep -nr "pattern you looking for" . Linux and Unix grep command

Change fonts on Ubuntu

Install unity-tweak-tool sudo apt install unity-tweak-tool

Install R on Ubuntu 16.04

Add R repository

sudo echo "deb http://cran.rstudio.com/bin/linux/ubuntu xenial/" | sudo tee -a /etc/apt/sources.list

Add R to Ubuntu Keyring

gpg --keyserver keyserver.ubuntu.com --recv-key E084DAB9 gpg -a --export E084DAB9 | sudo apt-key add -

Install R-base

sudo apt-get update sudo apt-get install r-base r-base-dev

Install GUI tool - Rstudio

sudo apt-get install gdebi-core wget https://download1.rstudio.org/rstudio-0.99.896-amd64.deb sudo gdebi -n rstudio-0.99.896-amd64.deb rm rstudio-0.99.896-amd64.deb

[Ubutnu] analyze system boot time

Simply execute the following command to see the detailed boot up time systemd-analyze blame