Categories
2020-05-12
I fell in love with spring
I fell in love with summer
I fell in love with fall
I fell in love with winter
> Keep reading 2020-03-30
Spring, when are you coming
Before long, summer will be here
> Keep reading 2020-01-26
ufw enable
ufw disable
Enable or disable the firewall.
ufw allow in http
ufw reject telnet comment 'telnet is not encrypted'
Allow all incoming HTTP traffic and reject telnet globally (normally 'deny' is used but 'reject' will explicitly reject a connection).
ufw allow in from 10.254.254.0/24 to any port 22
ufw allow in from 2001:db8::/32 to any port 22
Allow incoming ssh from certain hosts.
ufw limit ssh
Enable rate limiting for ssh, preventing more than 6 access attempts for an IP address...
> Keep reading 2019-11-13
Command/option | Description
| -
|
Containers | Containers are light-weight virtual machines
docker create image [cmd ] | Create container from image
docker rename container newname | Rename container
docker rm container | Remove a container
-f | Force
-v | Also delete volumes
|
docker pull image [:tag] | Pull image from repository
docker start container | Start container
docker stop container | Stop container
docker restart container | Restart container
docker wait container | Wait until container stops
docker attach container | Attach to container
ctrl-P ctrl-Q | Detach from container
...
> Keep reading 2019-10-10
Argument
Description
awk '{print $1}'
Print 1st word from lines separated by space
awk -F: '{print $1}'
Print 1st word from lines separated by colons
sed -n
Don't display input lines in output
sed '5d'
Delete line number 5
sed '5,10d'
Delete lines 5-10
sed '5,$d'
Delete lines from 5 until end-of-file
sed -n '5~2p'
Print every other line from the 5th line
sed -n '/pattern/p'
Print lines matching a regex pattern
sed...
> Keep reading 2019-09-06
If you're reading this, let me just say that I'm sorry: So very, very sorry.
I didn't mean for any of this to happen. I'm beyond devastated for all of the lives lost - and the countless destruction it brought. I have
no words to express my regret and shame for what I did. I can only hope that whatever is left of humanity will go on, and one day build a
new and better world without the mistakes we did.
Yeah…...
> Keep reading 2019-09-04
Argument
Description
Output
-A
Print packet in ASCII
-e
Print MAC address (link-level info)
-x
Print packet in hex
--print
Print parsed output even if saving packets to file
-w file
Write raw packets to file
Options
--
-
-c count
Capture count packets
-i interface
Listen on interface
-n
Don't resolve addresses
Filters
port nnn
Filter traffic on port nnn
host name
Filter on host name
ip host name
Filter IP...
> Keep reading 2019-08-21
Argument
Description
Protocols
--http1.0
Use HTTP 1.0
--http1.1
Use HTTP 1.1
--http2
Use HTTP 2
-4
Resolve domain names to IPv4
-6
Resolve domain names to IPv6
-k
Allow insecure connections in SSL
HTTP options
--data ...
HTTP POST data
--data-urlencode ...
HTTP POST data ('@' allowed)
-F name=content
Specify multipart MIME data
-G
Put POST data in URL and use GET
-H header/@file
Pass custom header to server
-m secs
Maximum...
> Keep reading 2019-08-15
(Really just a list for myself when I reinstall a new computer.)
Productivity
Communication
Skype - but the Windows client, not the Win10 app
Slack - collaboration/chat client
Development
> Keep reading 2019-07-31
Argument
Description
-o
Output file name
-nc
No-clobber (don't overwrite anything)
-c
Continue (add to existing file)
-N
Only retrieve if newer than existing
-S
Display server response
-nH
Don't create host directories
--header=x
Insert custom header
--save-headers
Save headers to file
--referer=x
Use custom referer
--method=x
Use custom HTTP method
--post-data=STR
Set POST data from string
--post-file=FILE
Set POST data from file
-r
Recursive
-l n
Maximum recursion level
-k
Convert links to local
-p
...
> Keep reading This page lovingly prepared by PHP.