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#snippet — Public Fediverse posts

Live and recent posts from across the Fediverse tagged #snippet, aggregated by home.social.

  1. Need to bulk reset AD user passwords from a CSV? This PowerShell snippet processes each user, handles errors, logs success/failure, and forces password change at next logon. Works on Windows Server 2016-2022. #windows #snippet #powershell

    valtersit.com/vault/bulk-reset

  2. Automate compliance fixes: use OpenSCAP's generate-fix to create a Bash remediation script from XCCDF scan results. Maps failed rules to benchmark fixes for RHEL 8/9, CentOS 8, Fedora 36+. #remediation #snippet #openscap

    valtersit.com/vault/remediatio

  3. Need to cap CPU on a legacy system without cgroups? cpulimit attaches to a PID and sends SIGSTOP/SIGCONT at microsecond intervals to enforce a percentage limit. Works on CentOS 7, Ubuntu 20.04, Debian 11. #linux #snippet #cpu-throttling

    valtersit.com/vault/limit-proc

  4. Need 90th, 95th & 99th percentiles over sliding 1-hour windows for CPU metrics? This Flux script uses window() and quantile() with t-digest for efficient approximate computation. #flux #snippet #percentile

    valtersit.com/vault/flux-query

  5. Use InfluxDB as an annotation source in Grafana to overlay events like deployments on your graphs. This Flux query maps event data from a measurement into the required _time, title, and text columns, using a host tag matched to a dashboard variable. #grafana #snippet #annotations

    valtersit.com/vault/grafana-an

  6. Stop namespace conflicts in Helm. Use .Release.Namespace to dynamically scope resources to the release’s namespace. Works with Helm 3.x on Kubernetes 1.19+. No more cross-namespace clashes. #helm #snippet #kubernetes

    valtersit.com/vault/helm-chart

  7. Secure your container data: Mount host directories as read-only using Docker volumes. The `:ro` flag enforces kernel-level write protection, preventing container processes from altering the host filesystem. Essential for security. #docker #snippet #volumes #read-only #ValtersIT

    valtersit.com/vault/mount-host

  8. Keep Lynis audit logs under control with automated rotation and compression. This snippet configures logrotate to rotate logs weekly, gzip them, and retain 4 weeks of history — preventing disk exhaustion on Ubuntu 22.04, Debian 12, RHEL 9, or CentOS Stream 9. Essential for frequent scans. #lynis #snippet #logrotate

    valtersit.com/vault/lynis-audi

  9. I often get frustrated when copy-pasting commands from a website into my Nushell terminal, especially with those line-escaping backslashes...

    Here is a little snippet I found to solve that issue.

    Read more on my blog: moskitohero.com/post/2026-07-1

    #nushell #bash #shell #snippet

  10. I often get frustrated when copy-pasting commands from a website into my Nushell terminal, especially with those line-escaping backslashes...

    Here is a little snippet I found to solve that issue.

    Read more on my blog: moskitohero.com/post/2026-07-1

    #nushell #bash #shell #snippet

  11. Configure iDRAC for encrypted SNMP v3 traps: racadm sets trap destination, enables alerts, and configures auth/privacy protocols. iDRAC firmware generates traps from Dell MIBs on temperature, power, fan events.

    #idrac #snippet #snmp

    valtersit.com/vault/monitor-id

  12. Enforce HTTPS for all S3 data access with this AWS CLI policy, meeting ISO 27001 A.13.2.3 on secure communications. Uses aws:SecureTransport condition to deny non-TLS requests. Scopable to specific principals.
    #iso #snippet #awss3

    valtersit.com/vault/aws-s3-buc

  13. Analyze per-process page faults with `ps` and `/proc/[pid]/stat`. Track major faults (disk I/O) vs minor faults (cache) via kernel's `task_struct`. Compute delta over time to spot high-impact processes. Production-ready for Ubuntu 22.04, Debian 12, RHEL 8. #linux #snippet #page-fault #major-fault #ValtersIT

    valtersit.com/vault/perprocess

  14. Monitor ZeroTier with Prometheus: Export peer counts, health & bandwidth stats via ZeroTier JSON API, scraped by node_exporter textfile collector. Script queries /status and /network/[ID] endpoints, outputs gauge metrics. Works on Ubuntu 22.04, Debian 12. #zerotier #prometheus #snippet

    valtersit.com/vault/zerotier-w

  15. Calculate P99 latency from structured logs in Loki using LogQL. This query filters for `duration_ms` fields, then applies `quantile_over_time(0.99, [5m])` via the t-digest algorithm for efficient approximation. Works with Loki v2.6+ and LogQL v2.0+. Full guide at #loki #snippet #latency #p99 #ValtersIT

    valtersit.com/vault/logql-quer

  16. Monitor USB insertion events to detect data exfiltration. Use wevtutil to query System log for Event ID 20001 from Microsoft-Windows-Kernel-PnP, filtering for 'USB\VID_' hardware IDs. Outputs timestamps, device description, and serial number. #windows #snippet #usb-monitoring #dlp #ValtersIT

    valtersit.com/vault/monitor-us

  17. Monitor USB insertion events to detect data exfiltration. Use wevtutil to query System log for Event ID 20001 from Microsoft-Windows-Kernel-PnP, filtering for 'USB\VID_' hardware IDs. Outputs timestamps, device description, and serial number. #windows #snippet #usb-monitoring #dlp #ValtersIT

    valtersit.com/vault/monitor-us

  18. Monitor USB insertion events to detect data exfiltration. Use wevtutil to query System log for Event ID 20001 from Microsoft-Windows-Kernel-PnP, filtering for 'USB\VID_' hardware IDs. Outputs timestamps, device description, and serial number. #windows #snippet #usb-monitoring #dlp #ValtersIT

    valtersit.com/vault/monitor-us

  19. Monitor USB insertion events to detect data exfiltration. Use wevtutil to query System log for Event ID 20001 from Microsoft-Windows-Kernel-PnP, filtering for 'USB\VID_' hardware IDs. Outputs timestamps, device description, and serial number. #windows #snippet #usb-monitoring #dlp #ValtersIT

    valtersit.com/vault/monitor-us

  20. Monitor USB insertion events to detect data exfiltration. Use wevtutil to query System log for Event ID 20001 from Microsoft-Windows-Kernel-PnP, filtering for 'USB\VID_' hardware IDs. Outputs timestamps, device description, and serial number. #windows #snippet #usb-monitoring #dlp #ValtersIT

    valtersit.com/vault/monitor-us

  21. Deploy stateful Workers with Durable Objects using `wrangler deploy --bind`. Achieve strongly consistent state across requests via a single global coordinator with SQLite-based persistence. Automatic failover included. #cloudflare #durable-objects #snippet

    valtersit.com/vault/integrate-

  22. Zero-downtime deployments with Fabric: This snippet implements blue-green swapping by checking a symlink, deploying to the inactive environment, and running health checks via c.run(). Perfect for Ubuntu/Debian. #fabric #snippet #blue-green

    valtersit.com/vault/rolling-de

  23. Migrate Terraform state from local to S3 without re-importing resources. Use `terraform state mv` combined with a backend migration to rename and transition state files seamlessly. Works on Linux, macOS, Windows (Terraform 0.12+). Details: #terraform #snippet #state-migration #s3 #ValtersIT

    valtersit.com/vault/migrate-te

  24. Can't trust a scan from within an infected OS. This snippet triggers Windows Defender Offline Scan via WinRE, booting into a minimal PE environment with updated signatures to catch persistent, hidden malware. Windows 10/11, Server 2016+. #windows #snippet #offline-scan #winre #ValtersIT

    valtersit.com/vault/offline-sc

  25. Protect your VLAN configs! Backup vlan.dat on Cisco IOS/IOS-XE switches with `copy flash:vlan.dat flash:vlan-backup.dat`. Restore via `copy flash:vlan-backup.dat flash:vlan.dat` and reload. Essential for disaster recovery or cloning setups. #cisco #snippet #ValtersIT

    valtersit.com/vault/vlan-datab

  26. Need to route multiple subnets through a single IPSec tunnel on VyOS 1.4? This snippet shows how to configure multiple traffic selectors (TS) with strongSwan and XFRM for efficient site-to-site connections. #vyos #snippet #ipsec #traffic-selector #ValtersIT

    valtersit.com/vault/ipsec-tunn

  27. Streamline your LLMNR poisoning workflow: Use Responder's -o and -F flags to output NTLMv1 hashes in Hashcat-compatible format for offline cracking with mode 5500. Works on Kali, Ubuntu, Parrot. #responder #snippet #hashcat #llmnr #ValtersIT

    valtersit.com/vault/llmnr-pois

  28. SCAP drift detection via timestamp-based differential scanning: compare current scan start-time to baseline ARF using oscap info. If delta > 24h, full scan; else quick OVAL delta check. Works on RHEL 8, Ubuntu 22.04, Debian 12. #openscap #snippet #drift

    valtersit.com/vault/scap-times

  29. Detect stealth port knocking with NSE. Use knock.nse to analyze packet captures or simulate knocks, probing sequences like 7000,8000 to uncover hidden firewall openings. Works on Linux, macOS. #nmap #snippet #port-knocking #nse #ValtersIT

    valtersit.com/vault/port-knock

  30. Bridge Tailscale and WireGuard VPNs on a Linux host with dual-stack routing. Use `tailscale up --accept-routes --advertise-routes=10.0.1.0/24` and `wg-quick up`, plus iptables forwarding. Full guide on Ubuntu/Debian. #bridge #snippet #wireguard #interoperability #ValtersIT

    valtersit.com/vault/tailscale-

  31. Deploy the Tailscale Kubernetes operator with Helm, then expose services directly via Tailscale ingress — no load balancer needed. Create a ProxyClass for tags, annotate your service, and get per-pod node connectivity. Kubernetes 1.24+, Helm 3.8+. #kubernetes #snippet #operator

    valtersit.com/vault/tailscale-

  32. Auditd can now monitor LXC container events like mounts, syscalls, and privilege escalation. Filter rules by PID namespaces or UID ranges on Ubuntu 22.04, Debian 12, or RHEL 9. Track suspicious activity via the kernel audit subsystem. #auditd #snippet #forensics #ValtersIT

    valtersit.com/vault/auditd-mon

  33. Need to remove a sensitive resource from Terraform state without destroying it? `terraform state rm` deletes the entry from your state file while keeping the actual infrastructure untouched. Useful for cleaning up state in production. #terraform #snippet #state-rm #sensitive-data #ValtersIT

    valtersit.com/vault/purge-sens

  34. Master multi-WAN load balancing with nftables mark-based policy routing. Mark traffic from 10.0.1.0/24 as 1 and 10.0.2.0/24 as 2, then use ip rule to route via separate tables. Works on Ubuntu 22.04, Debian 12, RHEL 9, Fedora 38+. #linux #snippet #nftables

    valtersit.com/vault/nftables-m

  35. Need CORS for your S3 bucket that allows all origins except one malicious domain? Standard S3 CORS doesn't support wildcard exclusions, but you can combine AllowedOrigins with a bucket policy Condition element to deny specific origins. Here's the workaround. #cors #snippet #aws-s3 #bucket-policy #ValtersIT

    valtersit.com/vault/cors-with-

  36. Samhain HIDS with centralized Yubikey-signed database for file integrity monitoring. Scan files, compare checksums, encrypted TCP reports to server. Agent runs as daemon or cron. Ubuntu 22.04, Debian 12, RHEL 9. #linux #snippet #samhain #centralized #ValtersIT

    valtersit.com/vault/samhain-ce

  37. Spot anomalous DNS queries from systemd-resolved logs with this journalctl + grep pipeline for frequency analysis. Filters 'type=A' and 'result=success' to detect C2 or exfiltration patterns. #linux #snippet #dns #ValtersIT

    valtersit.com/vault/detecting-

  38. New YARA rule targets malicious Office macros in OLE2 docs (.doc, .xls). Uses OLE2 module to scan 'Macros' stream for VBA signatures like AutoOpen/AutoExec. Works on YARA 4.0+ across Linux, Windows, macOS. #yara #snippet #ValtersIT

    valtersit.com/vault/yara-rule-

  39. Stop brute-force SSH attacks with a custom fail2ban action that temporarily bans IPs via UFW. This script integrates ufw deny rules, auto-removes them after a set time, and works on Ubuntu 22.04 and Debian 12. #ufw #snippet #fail2ban

    valtersit.com/vault/ufw-tempor

  40. Blacklist revoked JWTs with Redis using the token's jti claim as key and expiry matching remaining lifetime. Check blacklist on every API request before signature verification. Stateless token handling, consistent revocation. #jwt #snippet #revocation #ValtersIT

    valtersit.com/vault/blacklist-

  41. Need a ClusterRole that grants wide access but excludes secrets, configmaps, and authorization.k8s.io? This YAML uses a deny-all approach: allow all verbs on all resources, then explicitly exclude sensitive resources. Kubernetes RBAC merges rules additively. Works on K8s 1.22+. #rbac #kubernetes #snippet

    valtersit.com/vault/clusterrol

  42. Need to generate and sign a SAML AuthnRequest for HTTP-Redirect binding? This snippet uses OpenSSL and xmlstarlet to create the signed XML with AssertionConsumerServiceURL and ForceAuthn.

    #saml #snippet #ValtersIT

    valtersit.com/vault/saml-authn

  43. Isolate tenants with Private VLANs on Cisco IOS/NX-OS. This config creates a PVLAN domain (primary VLAN 200, isolated VLANs 201/202), using promiscuous uplink and isolated/community host ports to restrict inter-tenant traffic. #vlans #snippet #private-vlan #tenant-isolation #ValtersIT

    valtersit.com/vault/vlan-acces

  44. Configure external HTTPS access with Istio: ServiceEntry + DestinationRule for TLS origination from sidecar. Uses resolution NONE (Envoy DNS), supports mTLS with client certs. Kubernetes 1.22+, Istio 1.16+. #istio #snippet #serviceentry #tls #ValtersIT

    valtersit.com/vault/external-s

  45. Need consistent MongoDB replica set backups? Use mongodump with --oplog for point-in-time consistency. Connects to primary, captures writes during dump, writes BSON files, and compresses with gzip. Works on Ubuntu 22.04, CentOS 7, RHEL 9. #database #snippet #mongodb #mongodump #ValtersIT

    valtersit.com/vault/mongodb-re

  46. ZFS deduplication (dedup) saves space but eats RAM. Run DDT checks with zdb -D, identify duplicate blocks via awk, then delete/recreate dataset with dedup=off to clean up. Proxmox/FreeBSD compatible. #zfs #snippet #deduplication #storage #ValtersIT

    valtersit.com/vault/zfs-dedupl

  47. Exploit Heartbleed (CVE-2014-0160) with OpenSSL s_client: send a malformed heartbeat request with oversized payload length to extract up to 64KB of heap memory. Use -no_ssl3 -no_tls1 for TLS 1.0/1.1, -msg to capture leaked data. #cve #snippet #heartbleed #cve-2014-0160 #ValtersIT

    valtersit.com/vault/heartbleed

  48. Running BGP between ZeroTier and your physical router? This snippet configures VyOS to redistribute ZeroTier subnets via iBGP using FRR, making zt0 routes available to your local network. Full config at #zerotier #snippet #bgp #vyos #ValtersIT

    valtersit.com/vault/zerotier-r

  49. une solution qui me convient en attendant de dépasser le seuil de flemme :

    ```
    nb ls --limit 10 --excerpt 5 --pager --paths --sort --reverse
    ```

    #snippet

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    New original ep by fend otw check out the lead singles "cody" & "alien" soon droping more singles
    Stay tuned
    Yt channel: youtube.com/@fffend?si=7QgpCwV
    Keep up if you want
    Unknown L*sers
    #music #art #snippet #checkout #design #song #newmusic #undergroundmusic #newartist