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Site to Site VPN

Cisco ASA 8.4

(2013-05-08) Sorry, no detailed notes (too busy right now) but this seems to work. If you read my...

Updated 10 months ago by david

Site to Site VPN

Cisco ASA 8.3

(2013 March 08) Example VPN Configuration ! Enable ISAKMP crypto isakmp enable outside ! ! Object...

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

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

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

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

Password Reset

Cisco ASA

Bypass cisco system configuration Plug in your serial console, reboot the ASA press 'ESC' when it...

Updated 10 months ago by david

Mailguard

Cisco ASA

Problem Can't send or receive some messages through a Cisco ASA firewall. Solution Turn off Mailg...

Updated 10 months ago by david

Faking a secondary IP

Cisco ASA

(2013-04-30) Problem ASA won't let you define a secondary IP on an interface. Solution Fake it wi...

Updated 10 months ago by david

Debug Site to Site VPN

Cisco ASA

(2013 March 8) Useful commands for a v9.x VPN debug Phase 1: you want to see MM_ACTIVE in the St...

Updated 10 months ago by david

Creating Custom Kernel RPMs

Linux CentOS 4

(Note: may not be relevant to CentOS-4, I stuck this here because the dates (2008) kinda lined up...

Updated 10 months ago by david

Installing From The Vault

Linux CentOS 8

(2022-02-01) Problem # sudo dnf (operation) Error: Failed to download metadata for repo 'appstrea...

Updated 10 months ago by david

Find Transparent Proxy Systems

Linux CentOS 8

(2021-02-17) Problem A system between me and my destination is doing proxying for the destination...

Updated 10 months ago by david

failed to load driver: swrast

Linux CentOS 8

(2021-08-17) Problem: Some variety of libGL error: MESA-LOADER: failed to open swrast: /usr/lib64...

Updated 10 months ago by david

docker

Linux CentOS 8

(2020-05-03) Docker on CentOS 8 # dnf config-manager --add-repo=https://download.docker.com/linux...

Updated 10 months ago by david

vsftp: 500 OOPS: chroot

Linux CentOS 7

Problem vsftpd in user chroot mode. When logging in, you get: 500 OOPS: chroot Solution You have...

Updated 10 months ago by david

VM Interface Bouncing

Linux CentOS 7

(2019-09-13) Problem VM transplanted between two VMware clusters. Ran fine in old cluster for two...

Updated 10 months ago by david

tftp-server

Linux CentOS 7

(2018-01-12) Problem I need a tftp server on CentOS 7. Solution # yum -y install tftp-server xine...

Updated 10 months ago by david

Test Sendmail TLS Certificate

Linux CentOS 7

(2017-05-04) Problem Test Sendmail's TLS configuration. Solution $ openssl s_client -starttls smt...

Updated 10 months ago by david

systemd

Linux CentOS 7

God Damnit What How List services systemctl list-unit-files Start service at boot time s...

Updated 10 months ago by david