The ClientAliveInterval and ClientAliveMaxCount settings in “/etc/sshd/sshd_config” work together to control the timeout value of an ssh session on the server side. But under BASH, to keep idle client sessions from timing out, you also need to set the ‘TMOUT’ variable or you will see messages like below when disconnected. timed out waiting for input: … Bash: extend timeout for idle ssh sessions using TMOUT
When calling processes within a script, there may be situations where you need to put a time limit on the call due to significant blocking times. Perhaps a DNS or network call would block if certain firewall rules do not exist yet, or a long-running API call would need to be considered in error if … Bash: using timeout to put time limit on invoked commands
Instead of deploying a pod or service and periodically checking its status for readiness, or having your automation scripts wait for a certain number of seconds before moving to the next operation, it is much cleaner to use ‘kubectl wait’ to sense completion. Wait for pod Here is how you would wait for READY status … Kubernetes: using kubectl to wait for condition of pods, deployments, services
If your Ubuntu host is authenticating against an Active Directory Domain Controller, you may find there are multiple subdomains or transitive trusts visible. Which is not a problem in most cases – but if your host is in a subnet where a connection to these other subdomain or transitive trust domains is not possible, you … Ubuntu: Ignoring Transitive Trust Domains when using Samba/Winbind