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nixCraft Linux and Unix Sysadmin Blog - Recently updated posts nixCraft Updated Tutorials/Posts 2022-06-09T16:33:36Z Linux / Unix tutorials for new and seasoned sysadmin || developers nixCraft 2022-06-09T16:25:46Z nixCraft Linux and Unix Sysadmin Blog - Recently updated posts nixCraft Updated Tutorials/Posts 2022-06-09T16:33:36Z Linux / Unix tutorials for new and seasoned sysadmin || developers nixCraft 2022-06-09T16:25:46Z nixCraft Linux and Unix Sysadmin Blog - Recently updated posts nixCraft Updated Tutorials/Posts 2022-06-09T16:33:36Z Linux / Unix tutorials for new and seasoned sysadmin || developers nixCraft 2022-06-09T16:25:46Z nixCraft Linux and Unix Sysadmin Blog - Recently updated posts nixCraft Updated Tutorials/Posts 2022-06-09T16:33:36Z Linux / Unix tutorials for new and seasoned sysadmin || developers nixCraft 2022-06-09T16:25:46Z Patreon members-only guides from nixCraft Opensource Flare✨ 2022-05-13T19:19:44Z Linux / Unix tutorials for new and seasoned sysadmin || developers nixCraft 2022-06-09T16:25:46Z nixCraft Linux and Unix Sysadmin Blog - Recently updated posts nixCraft Updated Tutorials/Posts 2022-06-09T16:33:36Z Linux / Unix tutorials for new and seasoned sysadmin || developers nixCraft 2022-06-09T16:25:46Z nixCraft Linux and Unix Sysadmin Blog - Recently updated posts nixCraft Updated Tutorials/Posts 2022-06-09T16:33:36Z nixCraft Linux and Unix Sysadmin Blog - Recently updated posts nixCraft Updated Tutorials/Posts 2022-06-09T16:33:36Z Linux Tips, Hacks, Tutorials, And Ideas In Blog nixCraft 2022-05-31T21:12:46Z nixCraft Linux and Unix Sysadmin Blog - Recently updated posts nixCraft Updated Tutorials/Posts 2022-06-09T16:33:36Z nixCraft Linux and Unix Sysadmin Blog - Recently updated posts nixCraft Updated Tutorials/Posts 2022-06-09T16:33:36Z Linux / Unix tutorials for new and seasoned sysadmin || developers nixCraft 2022-06-09T16:25:46Z Linux / Unix tutorials for new and seasoned sysadmin || developers nixCraft 2022-06-09T16:25:46Z nixCraft Linux and Unix Sysadmin Blog - Recently updated posts nixCraft Updated Tutorials/Posts 2022-06-09T16:33:36Z Linux / Unix tutorials for new and seasoned sysadmin || developers nixCraft 2022-06-09T16:25:46Z Linux Tips, Hacks, Tutorials, And Ideas In Blog nixCraft 2022-05-31T21:12:46Z Linux / Unix tutorials for new and seasoned sysadmin || developers nixCraft 2022-06-09T16:25:46Z Linux / Unix tutorials for new and seasoned sysadmin || developers nixCraft 2022-06-09T16:25:46Z Linux / Unix tutorials for new and seasoned sysadmin || developers nixCraft 2022-06-09T16:25:46Z Linux / Unix tutorials for new and seasoned sysadmin || developers nixCraft 2022-06-09T16:25:46Z Linux / Unix tutorials for new and seasoned sysadmin || developers nixCraft 2022-06-09T16:25:46Z Linux / Unix tutorials for new and seasoned sysadmin || developers nixCraft 2022-06-09T16:25:46Z Linux / Unix tutorials for new and seasoned sysadmin || developers nixCraft 2022-06-09T16:25:46Z Linux Tips, Hacks, Tutorials, And Ideas In Blog nixCraft 2022-05-31T21:12:46Z Linux / Unix tutorials for new and seasoned sysadmin || developers nixCraft 2022-06-09T16:25:46Z Linux / Unix tutorials for new and seasoned sysadmin || developers nixCraft 2022-06-09T16:25:46Z Linux / Unix tutorials for new and seasoned sysadmin || developers nixCraft 2022-06-09T16:25:46Z Linux / Unix tutorials for new and seasoned sysadmin || developers nixCraft 2022-06-09T16:25:46Z nixCraft Linux and Unix Sysadmin Blog - 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Recently updated posts nixCraft Updated Tutorials/Posts 2021-12-24T19:53:18Z
Обновлено: 9 часов 6 минут назад

How To Test or Check Reverse DNS on a Linux / Unix

пт, 10/06/2022 - 17:19
{Updated} Want to do a reverse DNS (rDNS) Lookup in Linux, macOS, *BSD or Unix/WSL/Windows to find scammers/phishers/spammer using a forward confirm. Try these tips.The post How To Test or Check Reverse DNS on a Linux / Unix appeared first on nixCraft. 2022-06-09T16:31:00Z 2022-06-09T16:31:00Z Vivek Gite
Категории: FOSS News

How to backup & restore a list of installed FreeBSD packages

пт, 10/06/2022 - 17:19
Today, I will share one helpful tip that allows FreeBSD developers and sysadmin to make a backup list of installed all FreeBSD packages and then restore it. Hence, this is useful for disaster recovery (DR) or simply rebuilding a new server. It will save you time. Love this? sudo share_on: Twitter - Facebook - LinkedIn - Whatsapp - Reddit The post How to backup & restore a list of installed FreeBSD packages appeared first on nixCraft. 2022-06-09T14:31:46Z 2022-06-09T14:31:46Z Vivek Gite
Категории: FOSS News

How To Convert AWS Route53 to Cloudflare Let’s Encrypt DNS challenge with acme.sh

пт, 10/06/2022 - 17:19
I already wrote about setting up wildcard Let’s Encrypt SSL/TLS with AWS Route53 DNS for Nginx or Apache. One of my clients decided to use Cloudflare CDN and DNS at some point. They changed their DNS to Cloudflare. Naturally, their wildcard certificate failed because it was using Route53 DNS authentication to issue the certificate. Let us see how to convert existing or expired TLS/SSL certification renewal from AWS Route53 to Cloudflare. Love this? sudo share_on: Twitter - Facebook - LinkedIn - Whatsapp - Reddit The post How To Convert AWS Route53 to Cloudflare Let’s Encrypt DNS challenge with acme.sh appeared first on nixCraft. 2022-02-08T21:40:04Z 2022-02-08T21:40:04Z Vivek Gite
Категории: FOSS News

Update your nixCraft RSS feed

пт, 10/06/2022 - 17:19
Many of you access the nixCraft tutorial and blog post using the RSS feed. However, Google decided to kill the last part of Feedburner. Back in the old days, I and many others used FeedBurner. At some stage, Google acquired FeedBurner, and now they are putting it into maintenance mode. Hence, this new change will affect those getting daily emails via FeedBurner when new content is posted here. Therefore I urge you to update your feed. Love this? sudo share_on: Twitter - Facebook - LinkedIn - Whatsapp - Reddit The post Update your nixCraft RSS feed appeared first on nixCraft. 2022-02-08T21:39:15Z 2022-02-08T21:39:15Z Vivek Gite
Категории: FOSS News

How to install YubiKey Manager GUI on Linux

пт, 10/06/2022 - 17:19
One can use a hardware security key such as YubiKey for OTP or FIDO2 for additional security on Linux to protect disks, ssh keys, password manager, web applications and more. Since I am a full-time Linux desktop user, I thought today I would document how to install the YubiKey GUI Manager to configure functionality on […] Love this? sudo share_on: Twitter - Facebook - LinkedIn - Whatsapp - Reddit The post How to install YubiKey Manager GUI on Linux appeared first on nixCraft. 2022-02-07T10:02:57Z 2022-02-07T10:02:57Z Vivek Gite
Категории: FOSS News

How to install whois on Ubuntu / Debian Linux

пт, 10/06/2022 - 17:19
While working on the client's system, I found that the whois client was missing. So I used that in one of my deployment scripts. I should add that to cloud-init or Ansible, but the Ubuntu server was already running. Love this? sudo share_on: Twitter - Facebook - LinkedIn - Whatsapp - Reddit The post How to install whois on Ubuntu / Debian Linux appeared first on nixCraft. 2022-02-07T10:02:51Z 2022-02-07T10:02:51Z Vivek Gite
Категории: FOSS News

How to upgrade Alpine Linux 3.15 to 3.16

ср, 25/05/2022 - 17:08
{Updated} Alpine Linux 3.16.0 has been released. Here is how to upgrade from version 3.15.xx to 3.16.0.The post How to upgrade Alpine Linux 3.15 to 3.16 appeared first on nixCraft. 2022-05-24T20:46:00Z 2022-05-24T20:46:00Z Vivek Gite
Категории: FOSS News

How to Set Up WireGuard VPN on Amazon Linux 2

ср, 25/05/2022 - 17:08
WireGuard is an open-source, free, modern, and fast VPN with state-of-the-art cryptography. It is like OpenSSH in simplicity and uses private and public keys. Hence, it is more straightforward as compared to IPSec and OpenVPN. Initially released for the Linux kernel, it works with other operating systems. This page explains how to install and set up WireGuard VPN on Amazon Linux EC2 or Lightsail server. Love this? sudo share_on: Twitter - Facebook - LinkedIn - Whatsapp - Reddit The post How to Set Up WireGuard VPN on Amazon Linux 2 appeared first on nixCraft. 2022-05-24T17:48:52Z 2022-05-24T17:48:52Z Vivek Gite
Категории: FOSS News

How To Save A File In Vim / Vi Without Root Permission With sudo

пн, 23/05/2022 - 17:06
{Updated} Forgot to edit Linux or Unix/macOS file as sudo user? Want to overwrite without quitting vim on Linux/Unix? Try vim cmd trick and save time.The post How To Save A File In Vim / Vi Without Root Permission With sudo appeared first on nixCraft. 2022-05-23T12:03:00Z 2022-05-23T12:03:00Z Vivek Gite
Категории: FOSS News

How to change hostname on Amazon Linux 2 without reboot

пн, 23/05/2022 - 17:06
Do you want to set or update the AWS EC2 or Lightsail hostname without a reboot when using Amazon Linux 2? Here is how to set or change the hostname on Amazon Linux 2 distribution using the ssh client. Love this? sudo share_on: Twitter - Facebook - LinkedIn - Whatsapp - Reddit The post How to change hostname on Amazon Linux 2 without reboot appeared first on nixCraft. 2022-05-23T11:48:57Z 2022-05-23T11:48:57Z Vivek Gite
Категории: FOSS News

How to install and upgrade OpenSSH server on FreeBSD

пн, 23/05/2022 - 17:06
Another day I wrote about setting up ssh public key password-less authentication for FreeBSD server version 12/13 with an optional 2FA hardware USB key (FIDO 2) for additional protection. However, FIDO2 and key type ecdsa-sk and ed25519-sk are not supported by the OpenSSH client and server version shipped with FreeBSD 12 or 13. But, fear not, we can safely upgrade the OpenSSH version using ports collection. This page explains how to install and configure the latest portable version of the OpenSSH client and server on FreeBSD 13. Love this? sudo share_on: Twitter - Facebook - LinkedIn - Whatsapp - Reddit The post How to install and upgrade OpenSSH server on FreeBSD appeared first on nixCraft. 2022-01-25T15:01:32Z 2022-01-25T15:01:32Z Vivek Gite
Категории: FOSS News

How to set up ssh public key password-less on FreeBSD

пн, 23/05/2022 - 17:06
SSH is an essential tool for login into the FreeBSD Unix box. Without SSH, you cannot manage a remote server easily. Furthermore, SSH means secure shell, and it is a replacement for insecure protocols such as telnet. This page explains how to configure and set up ssh key-based password-less authentication on a FreeBSD server or workstation. Love this? sudo share_on: Twitter - Facebook - LinkedIn - Whatsapp - Reddit The post How to set up ssh public key password-less on FreeBSD appeared first on nixCraft. 2022-01-21T11:03:54Z 2022-01-21T11:03:54Z Vivek Gite
Категории: FOSS News

How to find the NVIDIA cuda version

пн, 23/05/2022 - 17:06
I need to find out the CUDA version installed on Linux. How do I know what version of CUDA I have? Love this? sudo share_on: Twitter - Facebook - LinkedIn - Whatsapp - Reddit The post How to find the NVIDIA cuda version appeared first on nixCraft. 2021-09-30T09:07:23Z 2021-09-30T09:07:23Z Vivek Gite
Категории: FOSS News

macOS Terminal: -bash: warning: setlocale: LC_CTYPE: cannot change locale (UTF-8): No such file or directory Fix

пн, 23/05/2022 - 17:06
{Updated} Learn how to fix warning: setlocale: LC_CTYPE: cannot change locale (UTF-8): No such file or directory on macOS or OX terminal.The post macOS Terminal: -bash: warning: setlocale: LC_CTYPE: cannot change locale (UTF-8): No such file or directory Fix appeared first on nixCraft. 2021-09-30T08:10:00Z 2021-09-30T08:10:00Z Vivek Gite
Категории: FOSS News

How to protect Linux against rogue USB devices using USBGuard

пн, 23/05/2022 - 17:06
{nixCraft Patreon supporters content}You deployed a perfect firewall and other network security policies preventing unauthorized access to the user's desktop computer over a network. However, you still need to block USB device access. We can configure a Linux desktop security policy to protect your computer against rogue USB devices (a.k.a. BadUSB) by implementing essential allow and blocklisting capabilities based on device attributes. For instance, I can define what kind of USB devices are authorized and how a USB device interacts with the Linux system. For example, I can define policy allowing Yubikey with serial number "XYZ" and USB LTE modem with serial # "ABC." Every other USB device access is denied by default. This guide will cover the following topics: The post How to protect Linux against rogue USB devices using USBGuard appeared first on Opensource Flare✨. 2021-09-29T21:43:46Z 2021-09-29T21:43:46Z Vivek Gite
Категории: FOSS News

Linux and Unix host Command Examples

сб, 14/05/2022 - 14:00
{Updated} The host command is an easy to use command-line utility for performing DNS lookups under Linux, macOS, BSD and Unix-like systems. We can use it to find or convert DNS names to IP addresses and vice versa. Let us see the host command examples on Linux and Unix-like systems with daily use cases for developers and sysadmins to troubleshoot DNS and networking issues.The post Linux and Unix host Command Examples appeared first on nixCraft. 2022-05-13T20:02:00Z 2022-05-13T20:02:00Z Vivek Gite
Категории: FOSS News

How to check if Ansible collection is installed or not

сб, 14/05/2022 - 14:00
Sometimes I need a specific Ansible module from ansible-galaxy to carry out a particular type of automation. But I don't know if it is already installed or not or bundled with Ansible when I installed the latest version on Ubuntu Linux. So here is a quick command-line tip for finding out if the Ansible module is installed or not on your development workstations powered by Linux, Unix or macOS. Love this? sudo share_on: Twitter - Facebook - LinkedIn - Whatsapp - Reddit The post How to check if Ansible collection is installed or not appeared first on nixCraft. 2022-05-13T19:27:08Z 2022-05-13T19:27:08Z Vivek Gite
Категории: FOSS News

How to install MySQL server on Ubuntu 22.04 LTS Linux

сб, 14/05/2022 - 14:00
{nixCraft Patreon supporters content}MySQL version 8.0 is a free and open-source database system used by most web applications and sites on the Internet. Typically MySQL is part of the LAMP (Linux, Apache, MySQL, Perl/Python/PHP) stack. MySQL heavily uses popular open-source software such as WordPress, MediaWiki, and others as a database storage engine. Let us see how to install MySQL server version 8.x on Ubuntu 22.04 LTS Linux server, including settings up a new database, users and fine tuning server config.The post How to install MySQL server on Ubuntu 22.04 LTS Linux appeared first on Opensource Flare✨. 2022-05-10T07:21:16Z 2022-05-10T07:21:16Z Vivek Gite
Категории: FOSS News

FreeBSD Applying Security Updates Using pkg/freebsd-update

сб, 14/05/2022 - 14:00
{Updated} 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. 2022-01-20T05:41:00Z 2022-01-20T05:41:00Z Vivek Gite
Категории: FOSS News

How to install FFmpeg with NVIDIA GPU acceleration on Linux

сб, 14/05/2022 - 14:00
The ffmpeg is free and open-source video converter software for Linux and Unix-like systems. However, on Ubuntu/Debian Linux and other distros, NVIDIA hardware-based encoding is disabled at compile time. So, naturally, you need supporting NVIDIA GPU. Apart from that, it would be best if you had CUDA support installed with GNU compilers. Let us see how to install everything one by one on a server or desktop powered by Ubuntu or Debian Linux. Love this? sudo share_on: Twitter - Facebook - LinkedIn - Whatsapp - Reddit The post How to install FFmpeg with NVIDIA GPU acceleration on Linux appeared first on nixCraft. 2021-09-27T10:11:45Z 2021-09-27T10:11:45Z Vivek Gite
Категории: FOSS News

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