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Networking 10 Commandments

War Stories

Thou shalt above all, maintain the integrity of the network. Thou shalt have a long term strateg...

Updated 3 months ago by david

Dave's Tao of Network Documentation

War Stories

This is a page which includes my thoughts on documenting a live, running network. It will be perp...

Updated 3 months ago by david

Notes About Network Attached Storage

War Stories

You have multiple places for problems to occur. Performance areas are: how fast can your disks (...

Updated 3 months ago by david

Mixed-Mode Filesystems Still Suck

War Stories

Problem Doing an rsync to a filer, the user gets gratuitous errors: rsync: mkstemp "$LONGPATH/$FI...

Updated 3 months ago by david

Mixed-Mode Filesystems Suck

War Stories

Problem Mixed-mode file systems suck. You'll have to be a bit more specific. Someone applied a CI...

Updated 3 months ago by david

Know who you are paging

War Stories

(5 October 2011) So a long time ago, the company I worked for at the time decided that the head o...

Updated 3 months ago by david

IT Will Be A Utility

War Stories

(written back in 2005) IT Is A Utility For most companies, IT is just as much a utility as HVAC, ...

Updated 3 months ago by david

Five Apes In A Cage

War Stories

Put five apes in a cage. In the middle of a cage is a set of steps, and at the top of the steps i...

Updated 3 months ago by david

Email Inbox Management, 2011

War Stories

(10 October 2011) Interesting results from an IBM study comparing the effectiveness of folder-fil...

Updated 3 months ago by david

How I Manage My Email

War Stories

(29 January 2008) I watched the Google Talk video about the Inbox Zero concept. It is long (about...

Updated 3 months ago by david

Dave's Law Of Internet Measurement

War Stories

Law Anything which can be measured, will be measured on the Internet. 1st Corollary Anything meas...

Updated 3 months ago by david

Dave's Law Of System Administration

War Stories

Law There's always an easier way. Corollary Things frequently get done sooner if you just do them...

Updated 3 months ago by david

Dependency Hell

War Stories

(7 September 2012) Poul-Henning Kamp writes about A Generation Lost In The Bazaar: Here is one e...

Updated 3 months ago by david

I Like Cookie Monster

War Stories

(2005/2006 era) Alex is at the age where Sesame Street is a frequent, if not regular, visitor to ...

Updated 3 months ago by david

Buying Monkeys

War Stories

Once upon a time in a village, a man appeared and announced to the villagers that he would buy mo...

Updated 3 months ago by david

Interface-based VPNs

War Stories

(2015-03-10) Something which I realized a few years back and have not read anywhere before or sin...

Updated 3 months ago by david

Greylisting's Effect

War Stories

(19 March 2012) Last year when I rebuilt my server I had the opportunity to see specifically what...

Updated 3 months ago by david

DNSBL running wild

War Stories

(24 January 2012) So years ago we get called into this small company working out of I don't remem...

Updated 3 months ago by david

Ping WAN from LAN

Palo Alto Random

(2024-10-10) Problem: Ping WAN interface IP from LAN Solution: Pinging from an internal host to a...

Updated 3 months ago by david

Ping things from Palo Alto

Palo Alto Random

(2024-10-10) Problem: I want to ping something. Solution: ping host 1.1.1.1

Updated 3 months ago by david