PieterScheffers

# find all lines not beginning with an #
cat somefile | grep -v "^#"

# split all lines to get only the part before the first #
cat somefile | cut -d'#' -f1

# remove all comments
cat somefile | grep -v "^#" | cut -d'#' -f1

# List all users

PieterScheffers

# https://forums.freebsd.org/threads/howto-setting-up-public-key-password-less-ssh-access.1508/
# http://unix.stackexchange.com/questions/42643/ssh-key-based-authentication-known-hosts-vs-authorized-keys
# https://www.digitalocean.com/community/tutorials/how-to-configure-ssh-key-based-authentication-on-a-freebsd-server

# Generate key on client
ssh-keygen -t rsa

# Generate key on server
ssh-keygen -t rsa

PieterScheffers

### Server ###

# create user

# become someuser
su someuser

# to home directory of someuser
cd ~

PieterScheffers

MD5_FILE="md5_file"
FILE="somefile"

# create MD5 of somefile
md5=`md5 $FILE | cut -d'=' -f2 | tr -d " "`

# Write md5 to file
md5 > $MD5_FILE

# Get MD5 from file

PieterScheffers

# https://premium.wpmudev.org/blog/understanding-file-permissions/
# http://www.smashingmagazine.com/2014/05/proper-wordpress-filesystem-permissions-ownerships/

# Change directory permissions to 755 (d, rwx, r-x, r-x)
sudo find . -type d -exec chmod 755 {} +
find /path/to/your/wordpress/ -type d -exec chmod 755 {} \;

# Change file permissions to 644 (-, rw-, r--, r--)
sudo find . -type f -exec chmod 644 {} +
find /path/to/your/wordpress/ -type f -exec chmod 644 {} \;

PieterScheffers

# https://www.digitalocean.com/community/tutorials/how-to-create-a-new-user-and-grant-permissions-in-mysql
# https://www.digitalocean.com/community/tutorials/a-basic-mysql-tutorial

# Create a new database
CREATE DATABASE somedatabase

# Create a new user
CREATE USER 'someuser'@'localhost' IDENTIFIED BY 'somepassword';

# Delete a user

PieterScheffers

# https://raymii.org/s/tutorials/Strong_SSL_Security_On_nginx.html
# https://mozilla.github.io/server-side-tls/ssl-config-generator/

# Install letsencrypt
portmaster -ydbg --no-confirm security/py-letsencrypt

# Generate dhparam file
openssl dhparam -out dhparam.pem 4096

PieterScheffers

curl -sS https://getcomposer.org/installer | php -- --install-dir=/usr/local/bin --filename=composer

PieterScheffers

# Find php ports
portmaster -L | grep php | sed -e "s/===>>> //g" | sed -e "s/-5.6.18_1//g" | sed -e "s/-5.6.18//g" | sed -e "s/-1.0//g"

# Uninstall ports
portmaster -L | grep php | sed -e "s/===>>> //g" | sed -e "s/-5.6.18_1//g" | sed -e "s/-5.6.18//g" | sed -e "s/-1.0//g" | xargs -I {} sh -c 'portmaster -ye --no-confirm {}'


php56
php56-ctype
php56-curl

PieterScheffers

### Start screen session ###
# http://stackoverflow.com/questions/7049252/how-to-create-a-screen-executing-given-command

function exec_in_screen() {
  name=$1
  command=$2
  screen -dmS $name sh; screen -S $name -X stuff "$command\n";
} 
exec_in_screen "test" "ls"