Recently Updated Pages
SSH pubkey authentication
(2020-09-25) Problem How to set up an ASA to accept an ssh pubkey? Solution Create a ssh key as n...
Security Commands
(2019-01-20) Problem Collection of the SSL mitigations I've been collecting. Solution No commenta...
PPPoE Session Status
(2021-12-03) Problem What is happening with my PPPoE session? Solution Nothing, probably, but her...
SNMP configuration
(2024-12-17) set deviceconfig system snmp-setting access-setting version v3 views My-SNMP-View vi...
CLI Basics
(2024-12-17) Command Mode Show System Info > show system info hostname:... ... Show configurati...
Upgrading Remi PHP
(2024-12-05) Assuming you already have a remi php installed: # dnf module switch-to php:remi-8.3
Check Internet Service Database Match
(2024-08-28) Remember you need to have basic support in order for this db to be populated. Firewa...
dotfiles
(2024-11-24) Dotfiles for my personal consumption: # wget https://raw.githubusercontent.com/xdroo...
List IPs by number of successful mail transactions
(2024-11-22) for z in /var/log/maillog* ; do for i in `grep stat= $z | awk '{print $6}' | sort ...
List all sender, receiver addresses for successful relay IPs
(2024-11-22) mkdir tmp.$$ cd tmp.$$ for z in /var/log/maillog ; do for i in `grep stat= $z | aw...
mrrogers
(2014-07-17) MrRogers knows who is in your neighbourhood. mrrogers is a perl script which uses sn...
Bulk Check IPs Against List Of Subnets
(2024-11-15) Problem You have a logfile full of IP addresses and you need to figure out if they b...
getarp
A perl script to get the ARP table out of a router. Requires Net::SNMP, Net::hostent, and Sys::Sy...
TCP Tuning for 10G
(2024-11-12) This page contains a quick reference guide for Linux tuning for Data Transfer hosts ...
TCP Tuning for iperf3
(2024-06-03) Found this set of recommendations for TCP tuning while chasing some iperf3 issues re...
Unifi Controller
Installing Unifi Controller on Docker on CentOS 8 (or probably any docker installation at this po...
iperf3
(2024-11-12) Most of the time I'm running iperf3 to understand the capability of a long distance ...
Find Tricks
Excluding stuff (say, the .snapshot directory of a find) $ find $dir -name .snapshot -prune -o -t...
Chrome Certificate Warning Bypass
(2022-09-07) Prevent the certificate warning page from popping up on subsequent initial connectio...
Notes on iperf
(14 August 2012) Available on rpmforge. Basic throughput testing, TCP: run the server # ipe...