Skip to main content

Recently Updated Pages

Counting Denied Queriers

Applications Bind

(2016-05-09) Problem Show IPs getting denied responses to queries on my local DNS server, sorted ...

Updated 10 months ago by david

Delegation Of in-addr.arpa Subdomains

Applications Bind

(12 October 2012) Problem: I need to delegate part of my /24 to another name server. Solution Thi...

Updated 10 months ago by david

Dump A DNS Zone

Applications Bind

Problem You want to know what the current content of a DNS zone is. Possible Solution This will w...

Updated 10 months ago by david

SOA values

Applications Bind

(2019-09-11) I've only been doing this for 25 years, I guess it's high time I learned what it all...

Updated 10 months ago by david

dnstop

Applications Bind

dnstop is a tool for monitoring dns requests on a particular network. It is a libcap snooper, so ...

Updated 10 months ago by david

Trace DNS Lookups

Applications Bind

Interesting: [dave@store01 ~]$ dig +trace xdroop.com ; <<>> DiG 9.3.6-P1-RedHat-9.3.6-20.P1.el5_...

Updated 10 months ago by david

Power Save

Applications eXceed

This also applies to situations with eXceed 8 where the screen saver engages, but never goes into...

Updated 10 months ago by david

cron

Applications Environment Modules

(2020-02-25) Problem The module command doesn't work in cron jobs. Solution You have to source th...

Updated 10 months ago by david

Running Fetchmail

Applications Fetchmail

Simple, in crontab: # /opt/sfw/bin/fetchmail -f /etc/fetchmailrc --syslog Interactively: # /opt/...

Updated 10 months ago by david

Squashing multiple commits into one

Applications git

(2017-09-14) Squashing multiple commits into one: git log shows you the history: [dave@store02 an...

Updated 10 months ago by david

Grow Linux Filesystem

Applications Google Cloud Compute

Problem I need to make a disk bigger Solution Resize the disk: $ gcloud compute disks list | grep...

Updated 10 months ago by david

What is my Google OpenID Login URL?

Applications Google OpenID

Google expects you to use the "Directed Identity" feature to sign in with your Google account. En...

Updated 10 months ago by david

gcc on Solaris 8

Sun & Solaris Solaris 8

These are some potentially useful things to know when fighting with gcc on Solaris (Solaris 8 in ...

Updated 10 months ago by david

KVM, briefly

Linux Fedora 31

(2020-03-13) KVM Briefly # virsh list # virsh list --all # virsh start <name> # virsh dominfo <na...

Updated 10 months ago by david

sudo without password

Linux Debian 8

(2017-05-30) Problem I don't want to get prompted for sudo access. Solution Run visudo At the...

Updated 10 months ago by david

Port Forward

Cisco ASA 8.0

Problem Port-forward firewall outside, port 5000 to inside IP 192.168.1.100, port 8080. Solution ...

Updated 10 months ago by david

Changing A Remote Gateway IP

Cisco ASA 8.2

(2013-12-05) Problem You have an ASA running 8.2(something). You have a l2l VPN with a remote pee...

Updated 10 months ago by david

Site to Site VPN

Cisco ASA 8.2

(2013-11-12) Problem Site to site VPN with an ASA running 8.2. Solution The local network is 192....

Updated 10 months ago by david

Site to Site VPN with NAT

Cisco ASA 8.2

Problem Setting up a site-to-site VPN using your shiny ASA running 8.2. Your peer has a bunch of ...

Updated 10 months ago by david

ssh_exchange_identification

Cisco ASA 8.2

(2015-06-05) Seems like a terribly late date to still be messing around with clunkers like these,...

Updated 10 months ago by david