Open your terminal.
In the root directory run the command:
sudo nano /etc/bluetooth/main.conf
| #!/bin/sh | |
| # Userland mode (~$USER/), (~/). | |
| # ~/.fonts is now deprecated and that | |
| #FONT_HOME=~/.fonts | |
| # ~/.local/share/fonts should be used instead | |
| FONT_HOME=~/.local/share/fonts | |
| echo "installing fonts at $PWD to $FONT_HOME" | |
| mkdir -p "$FONT_HOME/adobe-fonts/source-code-pro" | 
| #!/bin/bash | |
| # bash generate random alphanumeric string | |
| # | |
| # bash generate random 32 character alphanumeric string (upper and lowercase) and | |
| NEW_UUID=$(cat /dev/urandom | tr -dc 'a-zA-Z0-9' | fold -w 32 | head -n 1) | |
| # bash generate random 32 character alphanumeric string (lowercase only) | |
| cat /dev/urandom | tr -dc 'a-z0-9' | fold -w 32 | head -n 1 | 
| Latency Comparison Numbers (~2012) | |
| ---------------------------------- | |
| L1 cache reference 0.5 ns | |
| Branch mispredict 5 ns | |
| L2 cache reference 7 ns 14x L1 cache | |
| Mutex lock/unlock 25 ns | |
| Main memory reference 100 ns 20x L2 cache, 200x L1 cache | |
| Compress 1K bytes with Zippy 3,000 ns 3 us | |
| Send 1K bytes over 1 Gbps network 10,000 ns 10 us | |
| Read 4K randomly from SSD* 150,000 ns 150 us ~1GB/sec SSD | 
| # If you work with git, you've probably had that nagging sensation of not knowing what branch you are on. Worry no longer! | |
| export PS1="\\w:\$(git branch 2>/dev/null | grep '^*' | colrm 1 2)\$ " | |
| # This will change your prompt to display not only your working directory but also your current git branch, if you have one. Pretty nifty! | |
| # ~/code/web:beta_directory$ git checkout master | |
| # Switched to branch "master" | |
| # ~/code/web:master$ git checkout beta_directory | |
| # Switched to branch "beta_directory" |