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by jlehtone
2021/04/20 19:06:22
Forum: CentOS 8 - General Support
Topic: firewall info appreciated
Replies: 1
Views: 41

Re: firewall info appreciated

First, RHEL 8 has documentation: https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/configuring_and_managing_networking/getting-started-with-nftables_configuring-and-managing-networking The kernel has a subsystem that handles network traffic. In CentOS 7's kernel that subs...
by jlehtone
2021/04/20 13:48:34
Forum: CentOS 7 - Networking Support
Topic: [SOLVED] Problem configuration two interfaces
Replies: 4
Views: 78

Re: Problem configuration two interfaces

I have used aliases ... like never . IP-aliases are an obsolete way to manage multiple IP-addresses/masks per interface. Newer tools such as iproute2 support multiple address/prefixes per interface, but aliases are still supported for backwards compatibility. The "newer" iproute2 has been around two...
by jlehtone
2021/04/20 13:01:45
Forum: CentOS 7 - Networking Support
Topic: [SOLVED] Problem configuration two interfaces
Replies: 4
Views: 78

Re: Problem configuration two interfaces

Why? Why do you intentionally want two interfaces to same subnet?
by jlehtone
2021/04/19 16:02:40
Forum: CentOS 8 - Networking Support
Topic: Blocking multiple macs in dhcpd.conf
Replies: 4
Views: 72

Re: Blocking multiple macs in dhcpd.conf

Can you do it the other way; list allowed clients?

Code: Select all

        pool {
                deny unknown-clients;
                range A B;
        }
by jlehtone
2021/04/19 15:53:36
Forum: CentOS 7 - General Support
Topic: Folders linked to Disk Usage analysis app following OS upgrade
Replies: 21
Views: 360

Re: Folders linked to Disk Usage analysis app following OS upgrade

There is systemd-tmpfiles-clean.service that runs daily. man tmpfiles.d man systemd-tmpfiles From /usr/lib/tmpfiles.d/tmp.conf one gets impression that removing all from /tmp is not nice: # Clear tmp directories separately, to make them easier to override v /tmp 1777 root root 10d v /var/tmp 1777 ro...
by jlehtone
2021/04/19 14:17:06
Forum: CentOS 8 - General Support
Topic: Why are apps looking for libraries at /usr/X11R6/lib64?
Replies: 1
Views: 52

Re: Why are apps looking for libraries at /usr/X11R6/lib64?

Your source code has static configuration. GLEW is a bad example, because it is already in the repo: $ sudo dnf --enablerepo=powertools list \*glew\* Last metadata expiration check: 0:00:17 ago on Mon 19 Apr 2021 04:49:04 PM EEST. Available Packages glew-devel.i686 2.0.0-6.el8 powertools glew-devel....
by jlehtone
2021/04/19 13:15:41
Forum: CentOS 7 - General Support
Topic: Folders linked to Disk Usage analysis app following OS upgrade
Replies: 21
Views: 360

Re: Folders linked to Disk Usage analysis app following OS upgrade

Is the goal of renaming .gnome and .mozilla to force the machine to create new default configs? Yes. I don't think that there is .gnome directory. I think that most user settings are in .config Profiles of Firefox are in .mozilla but there is no need to recreate them unless they too have issues. Th...
by jlehtone
2021/04/18 07:41:35
Forum: CentOS 8 - General Support
Topic: linux16 line is missing from boot screen
Replies: 2
Views: 112

Re: linux16 line is missing from boot screen

The video is from ancient CentOS Linux 7 system. The GRUB package has received some 90 updates between that and your CentOS 8.

It is the "linux" line that has kernel command line options "($root)/vmlinuz .. rhgb quiet". That is the line you add to/modify.
by jlehtone
2021/04/18 07:23:16
Forum: CentOS 7 - General Support
Topic: Folders linked to Disk Usage analysis app following OS upgrade
Replies: 21
Views: 360

Re: Folders linked to Disk Usage analysis app following OS upgrade

chlowden007 wrote:
2021/04/18 05:32:29
I have just done a reasonably large OS upgrade ...
From what to what and how?

Personal settings are within home directory. I would not use a GUI session to tweak those files (e.g. move to backup so that next GUI session creates new, default settings).
by jlehtone
2021/04/17 21:56:33
Forum: CentOS 7 - General Support
Topic: Unable to use ACL on Linux CentOS 7
Replies: 0
Views: 75

Re: Unable to use ACL on Linux CentOS 7

How about nfs4_setfacl?

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