KartikTalwar

The fastest remote directory rsync over ssh archival I can muster (40MB/s over 1gb NICs)

This creates an archive that does the following:

rsync (Everyone seems to like -z, but it is much slower for me)

• a: archive mode - rescursive, preserves owner, preserves permissions, preserves modification times, preserves group, copies symlinks as symlinks, preserves device files.
• H: preserves hard-links
• A: preserves ACLs

magnetikonline

Collection of sysctl networking notes

• List & reloading changes
• Summary details of each connection status
• Settings tweaking in /etc/sysctl.conf
  • Detailed setting notes
  • Control TIME_WAIT and connection tracking timeouts
• Miscellaneous
  • Nginx Plus additions
• Further reading

FugueNation

var EventEmitter = require("events").EventEmitter,
redis = require("redis"),
dateformat = require("dateformat");

function population32(x)
{
	x -= ((x >> 1) & 0x55555555);
	x = (((x >> 2) & 0x33333333) + (x & 0x33333333));
	x = (((x >> 4) + x) & 0x0f0f0f0f);
	x += (x >> 8);