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cheats.txt  view on Meta::CPAN

# Apt update has many 404 errors.
# Fix with:
sudo apt dist-upgrade.


#############################################################
## Linux Commands - apt-key
#############################################################

# Add the key of a package site to allow installing from other sources
wget -q http://opensource.wandisco.com/wandisco-debian.gpg -O- | sudo apt-key add -


#############################################################
## Linux Commands - apt-list
#############################################################

# List trusted source lists for packages
sudo apt-key list

cheats.txt  view on Meta::CPAN

# "|" can be used to each line as a separate command.
# ">" can be used to each block of new line separated lines
    as a separate command.


#############################################################
## GPG Encryption (PGP Key)
#############################################################

# Generate a PGP key
gpg --gen-key

# Create a PGP signed file
gpg -ea -r "YOUR_NAME" > $HOME/.pause
user USER
password Pas$word

# Show your PGP keys (list)
gpg -k      # Public keys.
gpg -K      # Secret keys.

# Decrypt a PGP signed file.
gpg -d ~/.pause

# Cache password in agent.
# Some reason this fixed caching.
gpgconf --kill gpg-agent

# Share GPG keys (export from one, import in another machine).
gpg --export-secret-key -a > secretkey.asc
gpg --import secretkey.asc

# Warning: It is NOT certain that the key belongs to the person named.
gpg --edit-ḱeys YOUR_NAME
trust
5
yes

# Delete expired keys.
#
# Step 1: Create revoke certificate:
gpg --output revoke.asc --gen-revoke YOUR_ID
#
# Step 2: Apply revoke:
gpg --import revoke.asc
#
# Step 3: Delete secret key:
gpg --delete-secret-keys YOUR_ID
#
# Step 4: Delete public key:
gpg --delete-keys YOUR_ID

# Delete all keys.
gpg --delete-key 'Tim Potapov'
gpg --delete-secret-key 'Tim Potapov'


#############################################################
## HTML Attribute - href
#############################################################

# Run a javascript function when clicking a link instead of going to a page
<a class="myWrapper" href="javascript:myFunc()"><div class="myText">+</div></a>