Recently Updated Pages
Notes About Network Attached Storage
You have multiple places for problems to occur. Performance areas are: how fast can your disks (...
Mixed-Mode Filesystems Still Suck
Problem Doing an rsync to a filer, the user gets gratuitous errors: rsync: mkstemp "$LONGPATH/$FI...
Mixed-Mode Filesystems Suck
Problem Mixed-mode file systems suck. You'll have to be a bit more specific. Someone applied a CI...
Know who you are paging
(5 October 2011) So a long time ago, the company I worked for at the time decided that the head o...
IT Will Be A Utility
(written back in 2005) IT Is A Utility For most companies, IT is just as much a utility as HVAC, ...
Dave's Law Of Internet Measurement
Law Anything which can be measured, will be measured on the Internet. 1st Corollary Anything meas...
Dave's Law Of System Administration
Law There's always an easier way. Corollary Things frequently get done sooner if you just do them...
Dependency Hell
(7 September 2012) Poul-Henning Kamp writes about A Generation Lost In The Bazaar: Here is one e...
I Like Cookie Monster
(2005/2006 era) Alex is at the age where Sesame Street is a frequent, if not regular, visitor to ...
Buying Monkeys
Once upon a time in a village, a man appeared and announced to the villagers that he would buy mo...
Interface-based VPNs
(2015-03-10) Something which I realized a few years back and have not read anywhere before or sin...
DNSBL running wild
(24 January 2012) So years ago we get called into this small company working out of I don't remem...
Ping WAN from LAN
(2024-10-10) Problem: Ping WAN interface IP from LAN Solution: Pinging from an internal host to a...
Ping things from Palo Alto
(2024-10-10) Problem: I want to ping something. Solution: ping host 1.1.1.1
Hi-Availability - Out of Sync Peers
(2024-09-09) Problem: WARNING: The running configuration is not currently synchronized to the HA ...
Display configuration in set statements
2024-09-09 Problem xml is hard to read Solution set cli config-output-format set Now when in con...
Show Logs From Console
(2024-09-18) SW# show logging
JUNOS versions running on dual partitions are not same
(2016-05-25) Problem Boot media /dev/da0 has dual root support WARNING: JUNOS versions running on...
Non-Stop Software Upgrade (NSSU) Is Dicey
(2019-01-02) Non-Stop Software Upgrade Is Dicey We have attempted to upgrade a EX4300 virtual cha...
Port Vlan Mirror Analyzer
(2022-05-26) Port or VLAN Source Mirror Port examples: show | display set | match forwarding-op s...