Forwarding Traffic with iptables
A practical iptables setup for relaying TCP connections through an intermediate server with DNAT and SNAT rules.
Tag: devops
7 posts, newest first.
DEVOPS Configuring a New Cloud Server
A baseline Ubuntu server-hardening checklist covering SSH changes, root-login restrictions, sudo access, and essential security settings.
Automating Logins with Expect
An Expect script pattern that accepts command-line options or defaults to automate password-based interactive SSH logins.
Loading Django Settings for the Current Git Branch
A GitPython-based approach for detecting the active branch and loading its matching Django settings automatically.
Common Ubuntu Problems and Operations
A troubleshooting notebook for Ubuntu issues involving NVIDIA drivers, missing GPG keys, and PPA management.
Installing Common Software on Ubuntu
Installation notes for GCC 5 and Fcitx on Ubuntu, including compiler symlinks and language-support configuration.
Redis Startup Script
A ready-to-adapt SysV init script for starting, stopping, restarting, and checking a Redis server.