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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 2 weeks 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 2 weeks 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 2 weeks 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 2 weeks 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 2 weeks 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 2 weeks 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 2 weeks 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 2 weeks 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 2 weeks 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 weeks 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 weeks ago by david

Hi-Availability - Out of Sync Peers

Palo Alto Random

(2024-09-09) Problem: WARNING: The running configuration is not currently synchronized to the HA ...

Updated 3 weeks ago by david

Display configuration in set statements

Palo Alto Random

2024-09-09 Problem xml is hard to read Solution set cli config-output-format set Now when in con...

Updated 3 weeks ago by david

Ping ASA interface

Cisco ASA 9.8

(2024-09-18) Problem: Can't ping my ASA. Design: With Cisco ASA, it is impossible to ping any int...

Updated 1 month ago by david

Show Logs From Console

Cisco Switch

(2024-09-18) SW# show logging

Updated 1 month ago by david

SNMP v3 Read-Only setup

Cisco IOS-XE 03.16

(2024-09-05) Example ip access-list standard snmp-access permit 10.11.12.13 snmp-server view snmp...

Updated 2 months ago by david

SNMP v3 on ASA

Cisco ASA 9.8

(2024-09-03) Problem SNMP on ASA please Solution snmp-server group GlobalRead v3 priv snmp-server...

Updated 2 months ago by david

Check Internet Service Database Match

FortiOS 7.2.x

(2024-08-28) Remember you need to have basic support in order for this db to be populated. Firewa...

Updated 2 months ago by david

JUNOS versions running on dual partitions are not same

Juniper EX2200, EX4200, EX4300, EX4550

(2016-05-25) Problem Boot media /dev/da0 has dual root support WARNING: JUNOS versions running on...

Updated 2 months ago by david

Non-Stop Software Upgrade (NSSU) Is Dicey

Juniper EX2200, EX4200, EX4300, EX4550

(2019-01-02) Non-Stop Software Upgrade Is Dicey We have attempted to upgrade a EX4300 virtual cha...

Updated 2 months ago by david