vi
sudo
homework 2

solution for pkg cannot install
-- 
# pkg delete -f pkg; pkg install pkg; pkg update -f

mosh port 60000-60010 udp

~/.tmux.conf
#-- start of tmux.conf
unbind C-b
set -g prefix ^A
bind a send-prefix

set -g status-bg black
set -g status-fg white

# vim-like pane switching
bind -r k select-pane -U
bind -r j select-pane -D
bind -r h select-pane -L
bind -r l select-pane -R

# and now unbind keys
unbind Up
unbind Down
unbind Left
unbind Right
#-- end of tmux.conf

demo mosh capability
using tmux

ssh port
--
vi /etc/ssh/sshd_config
#Port 22 

/etc/rc.d/sshd stop # no longer login available
/etc/rc.d/sshd start