Set Up a Basic Iptables Firewall on Amazon Linux AMI

How do I set up a basic iptables firewall on Amazon Linux AMI running on EC2 or Lightsail instance?
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from [RSS/Feed] nixCraft: Linux Tips, Hacks, Tutorials, And Ideas In Blog Format https://www.cyberciti.biz/faq/set-up-a-basic-iptables-firewall-on-amazon-linux-ami/…

Modern Linux Laptops with Coreboot Firmware From System76

Are you looking for modern Linux laptops with coreboot? The wait is over. Coreboot is a free and open-source software. The coreboot project aimed at replacing the proprietary BIOS firmware and blobs. System76 recently announced two Intel laptops with Coreboot, which as an alternative to proprietary BIOS. These laptops are using Intel 10th Gen CPUs.
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from [RSS/Feed] nixCraft: Linux Tips, Hacks, Tutorials, And Ideas In Blog Format https://www.cyberciti.biz/open-source/modern-linux-laptops-with-coreboot-firmware-from-system76/…

How to install htop on Amazon Linux AMI

I am a new user of Amazon Linux AMI operating system. How do I install htop on Amazon Linux AMI using the yum command?
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from [RSS/Feed] nixCraft: Linux Tips, Hacks, Tutorials, And Ideas In Blog Format https://www.cyberciti.biz/faq/how-to-install-htop-on-amazon-linux-ami/…

Amazon Linux AMI install mysql client programs for RDS

How do I install mysql command for management Amazon RDS or Managed Databases for Amazon Lightsail on Amazon Linux AMI?
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from [RSS/Feed] nixCraft: Linux Tips, Hacks, Tutorials, And Ideas In Blog Format https://www.cyberciti.biz/faq/amazon-linux-ami-install-mysql-client-programs-for-rds/…

Ubuntu 18.04 remove all unused old kernels

How do I remove all unused old kernels in Ubuntu Linux 18.04 LTS using the command line?
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from [RSS/Feed] nixCraft: Linux Tips, Hacks, Tutorials, And Ideas In Blog Format https://www.cyberciti.biz/faq/ubuntu-18-04-remove-all-unused-old-kernels/…

Change default shell to bash on Macos Catalina

I noticed that my default shell set to zsh on Macos Catalina. How do I change my default shell to bash on Macos Catalina using the command line or GUI options?
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from [RSS/Feed] nixCraft: Linux Tips, Hacks, Tutorials, And Ideas In Blog Format https://www.cyberciti.biz/faq/change-default-shell-to-bash-on-macos-catalina/…

5 Best Password Managers For Linux Desktop

A password manager is essential tool so that you don’t have to remember complicated passwords. Check out the best password managers available for Linux desktop.

from It’s FOSS https://itsfoss.com/password-managers-linux/…

Setup a Centralized Log Server with Rsyslog in CentOS/RHEL 8

In order for a system administrators to recognize or analyze problems on a CentOS 8 or RHEL 8 server, it is important to know and view the events that occurred on the server in...

from Tecmint: Linux Howtos, Tutorials & Guides https://www.tecmint.com/create-centralized-log-server-with-rsyslog-in-centos-8/…

Change netplan renderer from networkd to NetworkManager

I prefer to use NetworkManager on my Ubuntu desktop, but currently, it is using networkd. As a result, I cannot set up or configure NetworkManager using GUI tools. Is there anyway to change netplan renderer from networkd to NetworkManager running on Ubuntu Linux? How can I change netplan renderer in Ubuntu Linux?
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from [RSS/Feed] nixCraft: Linux Tips, Hacks, Tutorials, And Ideas In Blog Format https://www.cyberciti.biz/faq/change-netplan-renderer-from-networkd-to-networkmanager/…