Checking Host Resolution Using getent
A quick reference for using getent to verify how your Linux system resolves hostnames, short names, and IP addresses through the full NSS chain.
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Mount Output in Columns: Formatted Output for Mount List
Pipe the mount command through column -t to get a clean, aligned table of all mounted filesystems. A quick sysadmin trick for scanning devices, mount points, and options at a glance.
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