#techtipthursday — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #techtipthursday, aggregated by home.social.
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CW: But its always...DNS
When the network is broken and you need answers fast:
Trace the route to a host:
traceroute google.comCheck what's listening on your ports:
ss -tulnTest DNS resolution:
dig google.comThe network is never actually down. Something specific broke. These tell you what.
#Linux #SysAdmin #Networking #TechTipThursday -
Quick cron reminder on this #TechTipThursday
*/5 * * * *
Runs every 5 minutes.But remember: cron doesn’t care if the previous job finished. Long-running jobs can pile up fast. Sometimes a systemd timer is the better tool.
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🔍 When’s the last time you audited your stack?
Removed stale services? Revoked unused credentials? Updated firewall rules? Reviewed crontabs & timers?
Clean servers = secure servers. Start 2026 with a clean slate!