Wandering Thoughts archives

2006-12-20:	How many root DNS servers are reachable over Internet II?
2006-12-19:	An Internet dependency
2006-12-12:	A limitation of OpenBSD bridging NAT firewalls
2006-12-07:	How not to set up your DNS (part 13)
2006-12-06:	Setting up switches to avoid unwanted VLAN leakage
2006-11-26:	An irritating X Windows limitation with wheel mice
2006-11-24:	A classical Unix tape gotcha
2006-11-23:	Why I don't file bug reports very often
2006-11-22:	Why ssh validates host keys using the exact name you supplied
2006-11-21:	A small script: `bsearch-nums`
2006-11-18:	The good old days of Unix
2006-11-17:	How to quiesce NFS traffic the brute force way
2006-10-17:	An Amanda gotcha with dumps to disk
2006-10-16:	Why have an MX record to yourself?
2006-10-10:	A trivial script: `wcat`
2006-10-04:	A pyramid of little scripts: `nsdig`
2006-10-01:	The advantage of vendor packages
2006-09-28:	Why I hate `$LANG` and locales on Unix
2006-09-27:	How not to set up your DNS (part 12)
2006-09-24:	Two approaches to Unix environments
2006-09-07:	Some wise words from Henry Spencer on backups
2006-09-03:	Why writing documentation is no fun
2006-09-01:	Why Postfix is not my favorite mailer
2006-08-31:	How `dd` does blocking
2006-08-29:	Documentation should be cheap
2006-08-27:	Documentation is not free
2006-08-22:	How not to set up your DNS (part 11)
2006-08-21:	How not to set up your DNS (part 10)
2006-08-20:	Finally, a good reason to periodically reboot servers
2006-08-19:	Documentation needs testing
2006-08-09:	A Bourne shell irritation
2006-08-02:	In praise of installing from Live CDs
2006-08-01:	One serial problem I should remember
2006-07-31:	The limitations of Unix `atime`
2006-07-29:	Another little sysadmin twitch or two
2006-07-27:	Unix files do not have creation times
2006-07-26:	xterm's ziconbeep feature
2006-07-24:	A brief history of cut and paste in X
2006-07-19:	A sysadmin habit: screen locking
2006-07-07:	Sysadmins are an overhead
2006-06-29:	`screen -x`
2006-06-23:	Respecting Unix signals
2006-06-19:	An odd choice of hostname
2006-06-16:	`/etc/inittab` versus `/etc/rc.d`
2006-06-15:	Dispelling a nightmare (a sysadmin tale)
2006-05-31:	A simple way to get a disk space usage summary
2006-05-30:	An shell script idiom for choosing what file to operate on
2006-05-26:	A message you do not want to see from your backup software
2006-05-23:	A defense of Unix that always irritates me
2006-05-22:	A little failsafe feature in 3-prong electrical plugs
2006-05-19:	Some modest suggestions on vendor tradeshow giveaways
2006-05-13:	Safely updating Unix files
2006-05-05:	Peeking under mount points with NFS
2006-04-29:	Another little script: `field`
2006-04-23:	The sort of command line I can wind up typing
2006-04-19:	A gotcha with analyzing syslog logs
2006-04-11:	A little script: `howmany`
2006-04-01:	The best April Fools joke I've seen here
2006-03-27:	A helpful Apache safety tip
2006-03-21:	The backend for our recent mirroring
2006-03-17:	How not to set up your DNS (part 9)
2006-03-15:	The aftermath of our mirroring
2006-03-13:	Preparing a high load web mirror setup
2006-03-12:	A DNS realization
2006-03-08:	Thinking about project failures
2006-03-07:	A modular approach to Apache configuration
2006-03-06:	How not to set up your mail server (part 1)
2006-03-02:	The `:;` shell prompt trick
2006-02-28:	Practical RAID-1 read balancing A surprising effect of RAID-1 resynchronization
2006-02-24:	Wanted: RSS feeds for vendor software updates
2006-02-18:	Automation promotes action
2006-02-14:	An advantage of using a non-standard shell
2006-02-06:	The sysadmin's life
2006-01-27:	Pointer: The Unix-Haters Handbook
2006-01-15:	How not to set up your DNS (part 8)
2006-01-13:	An unconventional reason for large RAID stripe sizes
2006-01-12:	How not to set up your DNS (part 7) On not logging things
2006-01-06:	The old nameserver glue record hell

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By month for 2006: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec; before 2006; after 2006.