Rocky Linux Installation previously CentOS: Difference between revisions
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...but that's not enough these days. You'll also need to use the GRUBBY command to modify the Kernel Parameters? Yup, the same Kernel Parameters that can be modified in /etc/default/grub and are reflected in /boot/grub2/grub.cfg (but apparently don't do a damn thing as far a Kernel Parameters) are instead modified in the following way (this is similar to turning on a light switch and also being required to clap to have a light come on); | ...but that's not enough these days. You'll also need to use the GRUBBY command to modify the Kernel Parameters? Yup, the same Kernel Parameters that can be modified in /etc/default/grub and are reflected in /boot/grub2/grub.cfg (but apparently don't do a damn thing as far a Kernel Parameters) are instead modified in the following way (this is similar to turning on a light switch and also being required to clap to have a light come on); | ||
* grubby --info=ALL : Shows current settings, from https://forums.rockylinux.org/t/how-do-you-view-grub-command-line-options/11625 | *grubby --info=ALL<span> </span>: Shows current settings, from https://forums.rockylinux.org/t/how-do-you-view-grub-command-line-options/11625 | ||
* Generally speaking, here's the syntax: grubby --update-kernel=ALL --args="new_option" OR grubby --update-kernel=ALL --remove-args="option_to_remove" | *Generally speaking, here's the syntax: grubby --update-kernel=ALL --args="new_option" OR grubby --update-kernel=ALL --remove-args="option_to_remove" | ||
* To disable IPv6: grubby --update-kernel=X --args="ipv6.disable=1" | *To disable IPv6: grubby --update-kernel=X --args="ipv6.disable=1" | ||
* To have useful "DMESG" information while booting instead of an Appled Up boring screen; | *To have useful "DMESG" information while booting instead of an Appled Up boring screen; | ||
** grubby --update-kernel=ALL --remove-args="rhgb" | **grubby --update-kernel=ALL --remove-args="rhgb" | ||
** grubby --update-kernel=ALL --remove-args="quiet" | **grubby --update-kernel=ALL --remove-args="quiet" | ||
'''Firewall''': If using something like Shorewall, get rid of FirewallD: yum remove firewalld* --noautoremove | '''Firewall''': If using something like Shorewall, get rid of FirewallD: yum remove firewalld* --noautoremove | ||
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<nowiki>*</nowiki> DNF = "Next Generation" of YUM | <nowiki>*</nowiki> DNF = "Next Generation" of YUM | ||
Gnome Initial GUI / Desktop Setup | Gnome Initial GUI / Desktop Setup; | ||
...there are so many suggested solutions that don't work when one wants a single user (root) | ...there are so many suggested solutions that don't work when one wants a single user (root) | ||
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*https://askubuntu.com/questions/1028822/disable-the-new-ubuntu-18-04-welcome-screen/1030095#1030095 | *https://askubuntu.com/questions/1028822/disable-the-new-ubuntu-18-04-welcome-screen/1030095#1030095 | ||
*The best one that works every time is this: yum remove gnome-initial-setup (can't run if it "don't" exist!) | *The best one that works every time is this: yum remove gnome-initial-setup (can't run if it "don't" exist!) | ||
*Disable Lock Screen; | |||
**Settings, Privacy, Screen Lock | |||
===Networking=== | ===Networking=== | ||
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**lshw -class network (notice the logical name) | **lshw -class network (notice the logical name) | ||
**...and for detailed information on as specific adapter: ethtool WhatEverLogicalNameOfAdapter | **...and for detailed information on as specific adapter: ethtool WhatEverLogicalNameOfAdapter | ||
*Webmin is a bit wonky with NetworkManager. | |||
'''NetworkManager (if it is necessary to use it);''' | '''NetworkManager (if it is necessary to use it);''' | ||
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==Other Notes== | ==Other Notes== | ||
After GUI installation, get it to boot to command line: <nowiki>http://www.itzgeek.com/how-tos/linux/centos-how-tos/change-default-runlevel-in-centos-7-rhel-7.html#axzz3PuGwJi3X</nowiki> | After GUI installation, get it to boot to command line: <nowiki>http://www.itzgeek.com/how-tos/linux/centos-how-tos/change-default-runlevel-in-centos-7-rhel-7.html#axzz3PuGwJi3X</nowiki> | ||
Lock | |||
*For Command Line instead of GUI interface: systemctl set-default multi-user.target | *For Command Line instead of GUI interface: systemctl set-default multi-user.target | ||