omar-yassin

# run parted on both drives, my case they were sdb and sdc
# label as gpt, unit TB, etc..

# create mdadm device and get to bed
mdadm --create /dev/md0 --level=1 --raid-devices=2 /dev/sdb1 /dev/sdc1

# format anyway you like on your new device

# make mdadm.conf
mdadm -Db /dev/md0 >> /etc/mdadm/mdadm.conf

omar-yassin

cat some.file  | awk '$11 == "504" || $11 == "500"' 

omar-yassin

#!/bin/bash

#https://pushover.net/ - try it!

server_hostname="something"
ip="`curl -s checkip.dyndns.com | grep -Eo "[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+"`"

curl -s \
  -F "token=app.token.key" \
  -F "user=user.key" \

omar-yassin

set realname = "Your Name"
set folder = "imaps://imap.gmail.com:993"
set spoolfile = "+INBOX"
set postponed="+[Gmail]/Drafts"
set header_cache=~/.mutt/cache/headers
set message_cachedir=~/.mutt/cache/bodies
set certificate_file=~/.mutt/certificates
set imap_user = "[email protected]"
set imap_pass = "pass"
set smtp_url  = "smtp://[email protected]:[email protected]:587/"

omar-yassin

# add user to vboxsf group
sudo usermod -a -G vboxsf user

# append to fstab
SHARENAME /mount/dir vboxsf uid=of-user,gid=of-user 0 0

omar-yassin

postqueue -p                #read queue headers
postcat -q #{message_id}    #read message
postsuper -d ALL deferred   #delete deferred 

omar-yassin

git init; git add .; git commit #current directory

git fetch path/to/repo master:whatever-branch-name-you-want

git merge whatever-branch-name-you-want

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echo "3/2+1" | bc -l

omar-yassin

ADD RULE with PORT and IPADDRESS
	sudo iptables -A INPUT -p tcp -m tcp --dport port_number -s ip_address -j ACCEPT

ADD RULE for PORT on all addresses
	sudo iptables -A INPUT -p tcp -m tcp --dport port_number --sport 1024:65535 -j ACCEPT

DROP IPADRESS
	sudo iptables -I INPUT -s x.x.x.x -j DROP

VIEW IPTABLES with rule numbers

omar-yassin

> show binary logs;
> purge binary logs to 'filename';