On Tue, 22 Oct 2019 at 14:11, David G. Miller <dave at davenjudy.org> wrote: > > On 10/22/19 10:55 AM, Valeri Galtsev wrote: > > Hello Experts! > > > > I'm sure many of you run CentOS for some time already. > > > > My question is: is there some place that lists which of the most often > > used sysadmin commands are gone and what are replacements for them. Or > > what else one needs to do after successful installation. (in the past > > it was process accounting that was not enabled by default, but which > > gives you quite some handle in investigating compromise). > > > > I just tried quite ordinaly command of freshly installed CentOS 8: > > > > last > > > > and got an error: > > > > last: (default utx db): No such file or directory > > > > I realize that it could be just me, and I'll cope with that myself one > > way or another but this one prompted me to ask everybody: Is there > > anything I can read so I can learn what differenmt to expect on CentOS > > 8 from, say, CentOS 7? > > > > Thanks. > > Valeri > > > > ++++++++++++++++++++++++++++++++++++++++ > > Valeri Galtsev > > Sr System Administrator > > Department of Astronomy and Astrophysics > > Kavli Institute for Cosmological Physics > > University of Chicago > > Phone: 773-702-4247 > > ++++++++++++++++++++++++++++++++++++++++ > > _______________________________________________ > > CentOS mailing list > > CentOS at centos.org > > https://lists.centos.org/mailman/listinfo/centos > Saw your later response that the problem was solved but this is an > interesting question that deserves an answer (and not just what changed > in RHEL8). As an example, I'm used to ifconfig and route but keep > getting reminded that these commands are now deprecated and "ip" should > be used instead. Likewise for using dnf instead of yum, systemctl 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. > instead of service, firewallcmd instead of iptables, etc. I wonder how > many shell scripts there are "out there" that folks have written or > accumulated over the years and which now need to be updated before > deprecated becomes no longer available? Or, like using iptables instead > of firewallcmd, may cause something very different than what is expected. > > Anyone know of any resource out there that might provide such documentation? > > Cheers, > Dave > > -- > "They that can give up essential liberty to obtain a little temporary safety deserve neither safety nor liberty." > > -- Benjamin Franklin > > _______________________________________________ > CentOS mailing list > CentOS at centos.org > https://lists.centos.org/mailman/listinfo/centos -- Stephen J Smoogen.