Note
This no longer works in browser!
Note
This no longer works if you're alone in vc! Somebody else has to join you!
How to use this script:
- Accept the quest under User Settings -> Gift Inventory
##TCP FLAGS## | |
Unskilled Attackers Pester Real Security Folks | |
============================================== | |
TCPDUMP FLAGS | |
Unskilled = URG = (Not Displayed in Flag Field, Displayed elsewhere) | |
Attackers = ACK = (Not Displayed in Flag Field, Displayed elsewhere) | |
Pester = PSH = [P] (Push Data) | |
Real = RST = [R] (Reset Connection) | |
Security = SYN = [S] (Start Connection) |
Based on https://gist.github.com/tadast/8827699: | |
- remove duplicates | |
- striped and no unecessary double quotes | |
- floating point values instead of strings |
### KERNEL TUNING ### | |
# Increase size of file handles and inode cache | |
fs.file-max = 2097152 | |
# Do less swapping | |
vm.swappiness = 10 | |
vm.dirty_ratio = 60 | |
vm.dirty_background_ratio = 2 |
[PHP] | |
;;;;;;;;;;;;;;;;;;; | |
; About php.ini ; | |
;;;;;;;;;;;;;;;;;;; | |
; PHP's initialization file, generally called php.ini, is responsible for | |
; configuring many of the aspects of PHP's behavior. | |
; PHP attempts to find and load this configuration from a number of locations. | |
; The following is a summary of its search order: |
Each YouTube video has 4 generated images. They are predictably formatted as follows: | |
http://img.youtube.com/vi/<insert-youtube-video-id-here>/0.jpg | |
http://img.youtube.com/vi/<insert-youtube-video-id-here>/1.jpg | |
http://img.youtube.com/vi/<insert-youtube-video-id-here>/2.jpg | |
http://img.youtube.com/vi/<insert-youtube-video-id-here>/3.jpg | |
The first one in the list is a full size image and others are thumbnail images. The default thumbnail image (ie. one of 1.jpg, 2.jpg, 3.jpg) is: | |
http://img.youtube.com/vi/<insert-youtube-video-id-here>/default.jpg |
Video Link: Apache Kafka Crash Course | What is Kafka?
L1 cache reference ......................... 0.5 ns
Branch mispredict ............................ 5 ns
L2 cache reference ........................... 7 ns
Mutex lock/unlock ........................... 25 ns
Main memory reference ...................... 100 ns
Compress 1K bytes with Zippy ............. 3,000 ns = 3 µs
Send 2K bytes over 1 Gbps network ....... 20,000 ns = 20 µs
SSD random read ........................ 150,000 ns = 150 µs
Read 1 MB sequentially from memory ..... 250,000 ns = 250 µs