Incident Response with a Notebook
A timestamped timeline when dashboards lag
Tag: Operations
Building Repeatable Triage Kits
Packaging workflow so every analyst starts the same way
Linux Networking 7: nftables in Production
Ten years on: migration scars, defaults, and operator truth
Linux Networking 6: BPF and eBPF
Programmable networking and observability at the 2015 horizon
Storage on Budget Linux
IDE, SATA, backups, and what actually survived production in the 2000s
Mailboxes to Internet 4: Perimeter and Proxies
Firewalls, monitoring, and when internet access becomes mandatory
VMware on a Pentium II
Early betas, SuSE host, Windows NT guest, and the shock of local virtualization
Mailboxes to Internet 3: Identity and File Services
Samba, printers, and mixed-network habits that linger longer than servers
Mailboxes to Internet 2: Mail Under Real Traffic
Postfix, hostile traffic, and trust on weekdays
Linux Networking 5: iptables in Practice
Netfilter hooks, tables, and operator-grade change discipline
Mailboxes to Internet 1: Gateway Years
Crosspoint, dial-up culture, and the beige-box Linux bridge
Linux Networking 4: iproute2 Replaces ifconfig
Policy routing and QoS when route stops being enough
Linux Networking 3: The ipchains Era
Linux 2.2, chain logic, and migrating off ipfwadm habits
Linux Networking 2: ipfwadm and Masquerading
Edge policy on modest hardware before dedicated appliances
Linux Networking 1: Networking in the 90s
Practical TCP/IP for the one-box, one-CRT lab