Posts
Page 16 of 53
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Prompt Engineering for Generative AI 101
Write prompts that get useful results — role prompting, few-shot examples, chain-of-thought, and the patterns that work across any LLM.
· Updated:6 min read -
Proxy Chains and Anonymization: What Actually Works and What's Just Theater
Proxychains-ng, Tor, and VPN+Tor combos tested honestly: which setups actually anonymize traffic and which are security theater you should stop trusting.
· Updated:9 min read -
Remove spaces or Edit chracters in filenames
Rename files to remove spaces and special characters using bash — rename, tr, and parameter expansion patterns for bulk file cleanup.
· Updated:6 min read -
Repair & Optimize all Mysql Databases one liner
Repair and optimize all MySQL databases at once with mysqlcheck — a one-liner that runs on every table without logging into MySQL.
· Updated:6 min read -
Restic vs Borg vs Kopia: Backup Tools for People Who've Lost Data Before
Restic, Borg, and Kopia all deduplicate and encrypt — but differ on backends, compression, and UI. Pick the right backup tool for your Linux home lab.
· Updated:9 min read -
Restic Repository Maintenance: Prune, Check, Forget
Restic forget, prune, and check: right order, real retention flags, cron automation, and why --read-data on a large repo will ruin your whole weekend.
· Updated:12 min read -
Self-Hosted Email Is Probably a Bad Idea
Self-hosted email with Mailcow or Stalwart means daily SPF, DKIM, DMARC, and IP blacklist battles. Here's the honest case against running your own mail server.
· Updated:5 min read -
Set the Timezone in Ubuntu with timedatectl
Set, verify, and sync your timezone in Ubuntu using timedatectl — one command to fix the clock on a newly provisioned server.
· Updated:6 min read -
Socat: The Swiss Army Knife of Networking
socat wires TCP, UDP, Unix sockets, files, and serial ports together. Port forwarding, OpenSSL tunnels, traffic capture — this is netcat with superpowers.
· Updated:5 min read -
ss Is the New netstat (And It's Better)
ss replaces netstat on modern Linux: faster, shows more socket detail, and reads from the kernel. Every netstat command you rely on, rewritten for ss.
· Updated:5 min read -
SSH keys and secure file copy
Generate SSH keys, set up passwordless auth, configure SSH, and transfer files securely with SCP — the foundation of headless Linux work.
· Updated:6 min read -
Reverse Proxy SSL: The Cert Chain Mistake Everyone Makes
Your reverse proxy only has the leaf cert, not the intermediate. Here's why that kills half your connections.
· Updated:6 min read
