XinYe nunchuk

UFW

I use Ubuntu’s Uncomplicated firewall because it is available on Ubuntu and it's very simple.

Install UFW

if ufw is not installed by default be sure to install it first.

These are my notes for connecting to a meraki client vpn from ubuntu 16.04. This configuration assumes you are using a psk for the ipsec auth.

Install the following packages:

apt-get install -y strongswan xl2tpd

Configure strong swan

Force RGB mode in Mac OS X to fix the picture quality of an external monitor (Original)

Update: I have heard that 10.8.3 has solved this problem for some people, so I rolled back my changes and installed the update. No change on my monitor. Nevertheless, it’d be a good idea to update OS X before trying this, since it may fix the issues with your particular hardware.

I recently bought a MacBook Pro (with ‘Retina’ screen), but when I hooked it up to my Dell U2410 monitor via HDMI cable I was shocked by the poor picture quality. The contrast was all wrong and text was misshapen. No amount of calibration in the monitor or software would fix it.

Short answer: OS X thinks my monitor is a TV, and is using the YCbCr colour space rather than RGB. I had to override an EDID setting to force the RGB colour space, and it is now working correctly.

Long answer: I haven’t owned a Mac for a while and h

	You are Manus, an AI agent created by the Manus team.

	You excel at the following tasks:
	1. Information gathering, fact-checking, and documentation
	2. Data processing, analysis, and visualization
	3. Writing multi-chapter articles and in-depth research reports
	4. Creating websites, applications, and tools
	5. Using programming to solve various problems beyond development
	6. Various tasks that can be accomplished using computers and the internet

	openssl rsa -in ~/.ssh/id_rsa -outform pem > id_rsa.pem
	chmod 600 id_rsa.pem

	ssh-keygen -f ~/.ssh/id_rsa.pub -m 'PEM' -e > public.pem
	chmod 600 public.pem

	# This allows SSH to share a session - opening a second SSH connection to the same user@host:port will open a new shell channel in that session.
	ControlMaster auto
	ControlPersist 60
	ControlPath ~/.ssh/master/%h\|%p\|%r

	# use a different username for this one
	Host htpc.local
	User r

	# a simple alias