Nodelog

Practical engineering guides on infra, DevOps, security, and developer tools. From thivelab.

[Nodelog @Clora4cut]

Virtual IP failover with keepalived + VRRP — traffic keeps flowing when the master dies.

https://t.co/IKyNFQomCH

#DevOps #Linux #HighAvailability #Networking #SysAdmin #Infrastructure #SRE #keepalived #VRRP #ServerOps #CloudNative #Engineering

[Nodelog @Clora4cut]

git bisect finds the first bad commit with binary search — manual steps, bisect run, and custom scripts.

https://t.co/x6y2KNcRYt

#git #bisect #debugging #devops #softwareengineering #coding #programming #opensource #linux #developers #tech #engineering

[Nodelog @Clora4cut]

Kubernetes access, made clear.

RBAC with Roles, Bindings, and ServiceAccounts for safer clusters.

https://t.co/D93nsWpZ8v

#Kubernetes #K8s #RBAC #DevOps #CloudNative #Containers #Linux #SysAdmin #Backend #OpenSource #IT #Tech

[Nodelog @Clora4cut]

SSH connection drops mid-handshake?

Walk `ssh -vvv`, Fail2Ban, and MaxStartups in order — don't blame the client first.

https://t.co/pd0UeYWtNE

#SSH #Linux #DevOps #CyberSecurity #SysAdmin #InfoSec #Cloud #Networking #Server #OpenSource #IT #Tech