How do I set up a basic iptables firewall on Amazon Linux AMI running on EC2 or Lightsail instance?
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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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How do I install mysql command for management Amazon RDS or Managed Databases for Amazon Lightsail on Amazon Linux AMI?
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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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I read that Let's Encrypt is a free, automated, and open certificate for web server and other usages. How do I secure Apache with Let's Encrypt Certificates on CentOS 8?
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I deployed RHEL 8 in the cloud server. However, I am unable to find the whois command on my newly created RHEL 8 Linux server. It says '-bash: whois: command not found' I tried yum install whois, but it failed too. How do I install whois command on RHEL/CentOS 8 Linux using the command line?
The neofetch command like utility written in a bash shell. The main purpose of neofetch is to be used in screenshots to display other users what operating system or Linux distro you are using including theme, icons, hardware config and more. Now we have another tool called pfetch. It is a pretty system information tool written in POSIX sh. Let us see how to install and use pfetch Linux and Unix hardware information tool.
I deployed minimal version of CentOS 8 in the cloud server. However, I am unable to find the dig command on my newly created CentOS 8 Linux server. It says '-bash: dig: command not found' I tried yum install dig, but it failed too. How do I install dig command on CentOS 8 Linux using the command line?
The post CentOS 8 dig command not found – How to install dig on CentOS 8 appeared first on nixCraft.
I am a new CentOS Enterprise Linux 8 user. How do I install wget on CentOS 8 using the dnf command or yum command?
The post How to install wget on CentOS 8 using the yum/dnf command appeared first on nixCraft.
I am a new CentOS Enterprise Linux 8 sysadmin. How do I set up a firewall using FirwallD on CentOS 8?
The post How to set up a firewall using FirewallD on CentOS 8 appeared first on nixCraft.
I want to start command called foo, and kill it if still running after given DURATION in seconds. How do I run a command a time Limit on Linux? How do I run a Linux command, and have it timeout (abort) after N seconds?
My ssh log file shows too many password failures. Random IP address trying to brute force my sshd server running on CentOS 8 server. How do I protect ssh with fail2ban on CentOS 8 Linux server? How do I install Fail2Ban on CentOS 8?
I am a new CentOS 8 Linux user and setup a server. They setup my server name to 'li2025-143' during deployment but now I would like to change the computer name to something else. How can I remove old name and set it to 'nixcraft-centos8' on CentOS Enterprise Linux? Can you tell me how do I change the CentOS 8 computer name? How do I assign a static hostname to server running CentOS 8?
CentOS Linux 8 released. It is a Linux distro derived from RHEL 8. CentOS was created when Red Hat stopped providing RHEL free. These days CentOS mostly used on servers, HPC, and desktop. CentOS is a high-quality Linux distribution. It gives complete control of its open-source software packages and is fully customized for research needs or for running a high-performance website without the need for license fees. Let us see what's new in CentOS 8.
The post CentOS Linux 8 released: New Features and Download appeared first on nixCraft.
I would like to update installed packages for security on Amazon Linux AMI server running in the cloud. How can I update my Amazon Linux AMI system using yum command?
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The CentOS Linux project has released an updated version of its stable Linux distribution CentOS Linux 7.7. You must upgrade to get corrections for security problem as this version made a few adjustments for the severe issue found in CentOS 7.6. CentOS is a Linux distro that is mainly maintained and updated through the work of many users who volunteer their time and effort. It is based upon RHEL 7.7 upstream source code.
The post CentOS Linux 7.7 released and here is how to update it appeared first on nixCraft.
Linux kernel version 5.3 released. This version includes many improvements including support for AMD Navi GPU, support for new IPv4 addresses in the 0.0.0.0/8 range, the lightweight hypervisor ACRN for embedded IoT devices and much more.
The post Linux Kernel 5.3 released and here is how to install it appeared first on nixCraft.
I am a new FreeBSD developer and user. I have root access to my VM running in AWS cloud. How do I update packages and apply security upgrades on FreeBSD? What is the procedure for applying security updates on FreeBSD?
The post FreeBSD Applying Security Updates Using pkg/freebsd-update appeared first on nixCraft.
On 26 August 1991, Linus Torvalds announced hobby project that was supposed to better than Minix operating systems. He said I am doing a free operating system. Just a hobby and won't be big or professional like GNU. Linux turns 28 years old, and we are going to celebrate Linux's birthday by sharing comics in pop culture that made it even more popular.
Dell recently announced the new XPS 13 developer edition powered by Ubuntu Linux and Intel's 10th generation Comet Lake CPUs. The new device will soon be available in the US, Canada, and European markets. It is good news for both developers and Linux enthusiast who wants Linux laptop with preloaded Ubuntu operating systems. Let us see new Linux XPS 13 developer edition specs and other information.
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