[CentOS] CentOS 8: what changed (regular UNIX admin commands)?
Chris Adams
linux at cmadams.netTue Oct 22 19:04:53 UTC 2019
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Once upon a time, Stephen John Smoogen <smooge at gmail.com> said: > I think that the deprecation of ifconfig and route was started before > RHEL-7 came out.. and yet I just can't get used to them. I've started using "ip" for more things lately... partly because I'm lazy, and once I learned the commands can be abbreviated, I can type less. :) ifconfig -> ip l (or maybe ip -s l if I want counters) route -> ip r arp -> ip n I'm also getting more used to nmcli for connection and configuration management (which also allows abbreviation - wooo for laziness!). firewalld is not really the same thing as iptables though; it's more of a management layer on top of just writing raw rules. One big issue I have though is that firewalld always sets up kernel connection state tracking, which is not a good thing for some uses (high-traffic DNS servers for example). The bigger change there is switching from iptables to nftables - while you can keep using the iptables command and language (there's a translation), to get the most out of it, you have to learn the nft command and language (which is different). I've barely scratched the surface on that one. -- Chris Adams <linux at cmadams.net>
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