System Administration at NBER

These short notes are written records of simple facts learned at great expense here at the National Bureau of Economic Research. They are placed here in the hope that they may save others time.

• tnftpd conversion option
• Empty/Null password for ssh
• chroot in Netbsd
• NX variant libraries
• Chelsio 10GBE cards hang with IRQPOLL set
• Using Stata with very large datasets
• Aten USB to Serial Adaptor under Linux
• Probe for (rogue) DHCP servers
• Using multiple A records to create a High Availability Web Service
• Can intelligence agencies recover overwritten data?
• Cross compiling fortran from Linux/FreeBSD to Windows
• FreeBSD Diskless Booting
• Linux Raid and NAS lessons
• Getting Past DSNBL blocking
• Comparison of 16 DNSBLs
• Reading a CSV file in SAS
• Open LDAP on Solaris
• Cannot close remote file message
• Native Fortran (f77) CGI Interface
• Make X Work on Diskless Linux
• Sonnet Tempo SATA compatible with FreeBSD 6.0
• Pennsylvania Station Luggage Checkroom
• Invisible Text during a Solaris Installation
• How to use a perl module under mod_perl as your front page while still having directories work like normal (2004.04.04)
• Upgrading to FreeBSD 5 from 4 problems (2004.03.24)
• Beader Hobo message from MIT.EDU
• Getting Started with AMD
• Saving copies of outgoing messages in a sendmail system (using procmail)
• Saving archival copies of incoming messages in a sendmail system (using mail.local)
• Experience with SAS Portable File Formats
• Backing up a NAS box to another using zfs send/receive, and swapping out the master for a new NAS box
• How to become a sysadmin
• Error “Statement not active” from p5-DBD-mysql4 when re-using an old database connection that was closed
• Apache2::Upload ->upload method dies silently if any file field is empty

Daniel Feenberg
feenberg at nber.org
NBER

Alex Aminoff
aminoff@nber.org

and others