send different username ssh-keygen CentOS
send different username ssh-keygen CentOS send different username ssh-keygen CentOS say you setup ssh-keygen on an account on your external computer to a network server, it works great as long…
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Troubleshoot Stuck and Hung NFS Mounts on AlmaLinux 10
Step-by-step guide to troubleshooting stuck and hung NFS mounts on AlmaLinux 10: hard vs soft mounts, D-state processes, stale file handles, forced and lazy unmounts, rpcinfo, nfsstat, tcpdump and server-side checks.
firewalld Cheat Sheet for RHEL, AlmaLinux, Rocky and Oracle Linux
firewall-cmd cheat sheet for RHEL, AlmaLinux, Rocky Linux, Oracle Linux and CentOS Stream: zones, services, ports, rich rules, NAT, policies, IP sets and troubleshooting.
Configure Central rsyslog Logging on RHEL, AlmaLinux, Rocky and Oracle Linux
Build a central rsyslog log server on RHEL, AlmaLinux, Rocky Linux, Oracle Linux and CentOS Stream: TCP forwarding with disk queues, per-host files, logrotate, SELinux, firewalld and TLS.
Use Basic Authentication Squid
Use Basic Authentication Squid Use Basic Authentication Squid In this scenario we are configuring a HTTP proxy to require basic authentication, such as a username/password combo. We are assuming that…
Find Next FSCK Date CentOS
Find Next FSCK Date CentOS Find Next FSCK Date CentOS Linux FSCK runs at what seems random times. It’s specific to EXT filesystems (ext3, ext4) Let’s dig in: the basic…
Configure Squid as a Reverse Proxy
Configure Squid as a Reverse Proxy Configure Squid as a Reverse Proxy This article goes over configuring squid as a reverse proxy. A reverse proxy can be useful for web…
Resume CUPS Printer command line CentOS 6
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Kubernetes Examples on AlmaLinux 10: Build a kubeadm Cluster and Deploy Apps
Build a three-node Kubernetes 1.37 cluster on AlmaLinux 10 with kubeadm, containerd and Calico, then deploy apps with Deployments, Services, ConfigMaps, Secrets and CronJobs.
Docker Examples on AlmaLinux 10: Install, Run, Build and Compose
Install Docker Engine on AlmaLinux 10 from the official repo, then run containers, use volumes, build a Dockerfile, create networks and deploy a Docker Compose stack.