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I have several scripts which require the utility getent. In addition, I've read several handy tips. Getent is a Networking utility which is widely available on Unix,.BSD and Linux-based systems. This tool is commonly used by Sysadmins and power users to lookup network information (IP addresses, etc). As far as hostnames go, getent is one of the few tools which use both /etc/hosts and DNS. As: getent is a unix command that helps a user get entries in a number of important text files called databases. Komedier netflix best vpn for mac.
The important thing here is that getent will search the same name services in the same order as would most applications on a unix-like system. This makes it invaluable when debugging system or application trouble.
Tools like dig and nslookup specifically look at DNS only, while dscl expects you to spell out the name services you want to search. I would like to use getent for two testcases:. For example, if I add testhost.example.org to /etc/hosts, then getent hosts testhost.example.org should use the entry from /etc/hosts before querying DNS. MacPorts does not seem to provide a package providing getent.
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Does getent exist on Snow Leopard? Dscacheutil is probably the best way to do this. It doesn't emulate the usual search process, it uses it, so you'll actually get the same results as a standard lookup (including caching, /etc/hosts, computer records in directory services, DNS, mDNS for.local names, etc). $ dscacheutil -q host -a name www.apple.com name: e3191.c.akamaiedge.net alias: www.apple.com www.isg-apple.com.akadns.net www.apple.com.edgekey.net ipaddress: 69.192.45.15 $ dscacheutil -q host -a name gordons-mbp.local name: gordons-mbp.local ipv6address: fe80:5::e6ce:8fff:fe50:136 name: gordons-mbp.local ipaddress: 192.168.10.249 $ dscacheutil -q host -a ipaddress 127.0.0.1 name: localhost alias: 1.0.0.127.in-addr.arpa ipaddress: 127.0.0.1 $ dscacheutil -q user -a name gordon name: gordon password:.
uid: 501 gid: 20 dir: /Users/gordon shell: /bin/bash gecos: Gordon Davisson.