Recently Updated Pages
Grow Linux Filesystem
Problem I need to make a disk bigger Solution Resize the disk: $ gcloud compute disks list | grep...
Squashing multiple commits into one
(2017-09-14) Squashing multiple commits into one: git log shows you the history: [dave@store02 an...
Running Fetchmail
Simple, in crontab: # /opt/sfw/bin/fetchmail -f /etc/fetchmailrc --syslog Interactively: # /opt/...
cron
(2020-02-25) Problem The module command doesn't work in cron jobs. Solution You have to source th...
Power Save
This also applies to situations with eXceed 8 where the screen saver engages, but never goes into...
Trace DNS Lookups
Interesting: [dave@store01 ~]$ dig +trace xdroop.com ; <<>> DiG 9.3.6-P1-RedHat-9.3.6-20.P1.el5_...
dnstop
dnstop is a tool for monitoring dns requests on a particular network. It is a libcap snooper, so ...
SOA values
(2019-09-11) I've only been doing this for 25 years, I guess it's high time I learned what it all...
Dump A DNS Zone
Problem You want to know what the current content of a DNS zone is. Possible Solution This will w...
Delegation Of in-addr.arpa Subdomains
(12 October 2012) Problem: I need to delegate part of my /24 to another name server. Solution Thi...
Counting Denied Queriers
(2016-05-09) Problem Show IPs getting denied responses to queries on my local DNS server, sorted ...
CAA
(2018-10-16) Problem What is CAA record Solution CAA record is a DNS record that indicates who is...
zone forwarding
(2013-03-28) Problem I want to tell a BIND server that a particular DNS zone can be resolved at s...
Bind Logging
Log to a file with enough information to make it useful. CAUTION: there's no built in log rotatio...
dhparams
2023-06-30 About generating dhparams with 4096 bits instead of 2048 bits When you use dhparam, O...
DH group to OAKLEY_GROUP table
(2023-10-31) DH Group to OAKLEY_GROUP values DH Oakley DH Group 1 768-bit MODP Group DH ...
Daemon Tools
Hi Dave Finally got the daemontools on netmon01 to supervise radiusd, and it should restart if th...
saslpasswd2
This is the utility for creating, changing, and deleting users and passwords from the local sasl ...
sasldblistusers2
Lists the contents of the sasldb2 database. # sasldblistusers2 cyrus@gwx1: userPassword dave@gwx1...
SASL build
(Note from 2024: probably dangerously outdated) Customer Information (brains) : # export PATH=/op...