@haruna_adoga: 1. fastfetch - see what you are working with 2. dnf update - never leave a system unpatched 3. PermitRootLogin no - lock the front door 4. ssh-keygen ed25519 - upgrade your keys 5. firewall-cmd - deny by default 6. fail2ban - 3 strikes and you are banned 7. chattr +i - bet you did not know this one 8. ss -tulnp - know your attack surface 9. sysctl hardening - kernel-level protection 10. lynis audit system - grade yourself Save this. You will need it. #linux #linuxserver #cybersecurity #sysadmin #devops

Haruna Adoga
Haruna Adoga
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Monday 21 September 2026 12:46:14 GMT
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mindi.bee
Mindi 🇦🇺♏️🇬🇧 :
This is all fine for personal servers. But for production in a business, an enterprise, absolutely NOT. You can’t patch servers without approvals, change documentation, rollback plans.
2026-09-22 00:09:18
3
0n31nth3cr0wd
one in the crowd :
why would I need fast fetch??
2026-09-21 15:37:15
1
jessewetherell
jessewetherell :
More work! So changing my password wasn't enough!
2026-09-21 20:00:03
1
vibewithjamil
Jamil🇳🇬🇯🇵 :
Thanks for sharing🫡
2026-09-21 17:23:23
1
vyrgule
vyrgule :
dnf fedora
2026-09-21 14:07:17
1
haruna_adoga
Haruna Adoga :
What is your hardening score? Run "lynis audit system" and drop your number below. Most servers score under 50 on first scan.
2026-09-21 12:51:43
0
usermf8s5bth1d
BruahrizjsGFk738 :
why does everyone use fail2ban and not crowdsec?
2026-09-21 16:42:35
2
vladimir_vladimir3
Vladimir Spasov :
💯💯💯
2026-09-21 14:26:43
2
horadoqa
Hora do QA :
👏👏👏
2026-09-21 16:47:52
1
mrkokozaw304
mrzawgyi (official account) :
[Heartwarming][Heartwarming][Heartwarming]
2026-09-22 00:33:19
0
elbabar1983
elbabar1983 :
for ss : -plunt more readable... or -lapute (in french is a *whore*) .
2026-09-21 19:51:09
0
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