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How to Pin Versions in Yum or Dnf for RHEL or CentOS Linux
CentOS, RHEL (Red Hat Enterprise Linux), Fedora and other clones of RHEL, such as Oracle, Alma, and Rocky, offer support for version pinning. This feature allows developers and system administrators to lock a particular package to a specific version, preventing it from being automatically updated by yum or dnf commands. Sometimes, it is necessary to protect packages from being updated to newer versions to avoid incompatibility issues with your applications. For example, you can lock down PHP version 8.3.6 and avoid using updated PHP version 8.4. Let us see how to lock a package to a specific version, only exclude a package from yum update or dnf update on a CentOS, RHEL, Fedora, and friends.
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The post How to Pin Versions in Yum or Dnf for RHEL or CentOS Linux appeared first on nixCraft.
2024-05-07T09:01:47Z
2024-05-07T09:01:47Z
Vivek Gite
How to perform find and replace operations within a visual selection in Vim
Here's a quick tip for vim users. You can perform find and replace operations within a visual selection in Vim for text or code block. Visual selection for finding and replacing text in Vim allows developers and Linux/Unix users precise and efficient text editing. It's handy when you want to change specific portions of text or code blocks within a larger file without affecting other occurrences. This method required to minimizing manual search and reducing the risk of unintended code or text modifications. Let us see how to find and replace in Vim visual mode selection.
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The post How to perform find and replace operations within a visual selection in Vim appeared first on nixCraft.
2024-05-07T06:14:33Z
2024-05-07T06:14:33Z
Vivek Gite
How to find hidden processes and ports on Linux/Unix/Windows
Unhide is a little handy forensic tool to find hidden processes and TCP/UDP ports by rootkits / LKMs or by another hidden technique. This tool works under Linux, Unix-like system, and MS-Windows operating systems.
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The post How to find hidden processes and ports on Linux/Unix/Windows appeared first on nixCraft.
2024-05-07T05:05:51Z
2024-05-07T05:05:51Z
Vivek Gite
How to add bash auto completion in Debian Linux
Bash is a command language interpreter compatible with sh. It can execute commands read from a file or keyboard. On Debian Linux, bash-completion is a set of shell functions that uses Bash's programmable completion feature. This page provides instructions on installing and enabling Bash auto-completion on Debian Linux versions 10, 11, and 12 to increase productivity by writing custom bash code.
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The post How to add bash auto completion in Debian Linux appeared first on nixCraft.
2024-05-06T15:51:25Z
2024-05-06T15:51:25Z
Vivek Gite
How to add cron job entry for acme.sh
Recently, I had a learning experience with cron jobs and acme.sh. acme.sh is an excellent tool that simplifies the management of Let's Encrypt TLS (SSL) certificates. It makes obtaining and renewing these essential security certificates for your web server easier.
Recently, I moved my server from Linode to AWS, which was a new environment for me. Initially, everything appeared to be working correctly, and I assumed everything was running smoothly. However, I forgot to migrate the cron job that acme.sh uses to renew the certificate automatically.
This oversight caused my Let's Encrypt certificates to expire, resulting in security warnings and potential disruptions for visitors to my website. Opps!
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The post How to add cron job entry for acme.sh appeared first on nixCraft.
2024-05-03T06:43:12Z
2024-05-03T06:43:12Z
Vivek Gite
How to Upgrade Ubuntu 22.04 to 24.04 LTS: A Complete Guide
{nixCraft Patreon supporters content}Below is a sneak peek of this content! Ubuntu 24.04 LTS (Noble Numbat) was launched on April 25th, 2024. This new version will be supported for five years until June 2029. The armhf architecture now provides support for the Year 2038 problem. The upgrades include significant updates to core packages like Linux kernel, systemd, Netplan, […]The post How to Upgrade Ubuntu 22.04 to 24.04 LTS: A Complete Guide appeared first on Opensource Flare✨.
2024-04-26T18:25:08Z
2024-04-26T18:25:08Z
Vivek Gite
How to Upgrade Ubuntu 22.04 to 24.04 LTS: A Complete Guide
Ubuntu 24.04 LTS (Noble Numbat) was launched on April 25th, 2024. This new version will be supported for five years until June 2029. The armhf architecture now provides support for the Year 2038 problem. The upgrades include significant updates to core packages like Linux kernel, systemd, Netplan, toolchain upgrades for better development support, enhanced security measures, and performance optimizations. It also has an updated GNOME desktop environment and other default applications. Let us see how to upgrade Ubuntu 22.04 LTS to Ubuntu 24.04 LTS using the CLI over ssh-based session.
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The post How to Upgrade Ubuntu 22.04 to 24.04 LTS: A Complete Guide appeared first on nixCraft.
2024-04-26T08:33:21Z
2024-04-26T08:33:21Z
Vivek Gite
How to configure AWS SES with Postfix MTA on Debian Linux
AWS SES (Amazon Simple Email Service) is a cloud-based email-sending service that is both reliable and cost-effective. This service is offered by Amazon Web Services. Postfix is a popular email server for Debian and Unix-like systems. It is an open-source Mail Transfer Agent (MTA) responsible for routing and delivering emails. Debian Linux is a widely used Linux distribution known for its stability and user-friendliness for server usage. Let us see how to integrate AWS SES with the Postfix MTA on Debian Linux version 11/12.
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The post How to configure AWS SES with Postfix MTA on Debian Linux appeared first on nixCraft.
2024-04-19T07:04:06Z
2024-04-19T07:04:06Z
Vivek Gite
The repository ‘http://deb.debian.org/debian buster-backports Release’ no longer has a Release file.
When you run the sudo apt update, you may see the following message or error on a Debian Linux:
Err:5 http://deb.debian.org/debian buster-backports Release
404 Not Found [IP: 146.75.34.132 80]
Reading package lists... Done
E: The repository 'http://deb.debian.org/debian buster-backports Release' no longer has a Release file.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.
Here is how to fix this issue.
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The post The repository ‘http://deb.debian.org/debian buster-backports Release’ no longer has a Release file. appeared first on nixCraft.
2024-04-14T20:42:01Z
2024-04-14T20:42:01Z
Vivek Gite
How do I find out my timezone in Linux?
You can find the timezone in Linux using the command line. The easiest way to do this is to type the "timedatectl" command and look for the "timezone" line when using modern Linux distros with systemd. There are other commands and ways to temporarily switch to a new timezone for date calculations.
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The post How do I find out my timezone in Linux? appeared first on nixCraft.
2024-04-06T01:06:44Z
2024-04-06T01:06:44Z
Vivek Gite
Uber Previews Its Dubai Air Taxi Service
An anonymous reader shares a report: Uber is one step closer to going airborne. On Wednesday, the company previewed its air taxi booking service ahead of an expected launch in Dubai later this year. The inaugural Uber Air program will let travelers book Joby Aviation's electric air taxis through a familiar process in the Uber app.
The experience of booking an air taxi will be much like reserving a four-wheeled Uber. In the app, after entering your destination, Uber Air will appear as an option for eligible routes. The Uber app will book a flight and an Uber Black to pick you up and drop you off at a Joby "vertiport." Joby's air taxis, built exclusively for city travel, can accommodate up to four passengers and luggage. (Uber says size and weight guidelines will be announced closer to launch.) The interior is about the size of an SUV and has "comfortable seating" with panoramic windows. They can travel up to 200 mph and have a range of up to 100 miles. Four battery packs and a triple-redundant flight computer are onboard for safety purposes.
Read more of this story at Slashdot.
NVIDIA starts listing jobs for Linux gaming with Valve's Proton in mind - Windows Central
Categories: Linux
PCLinuxOS Makes Comeback for Windows Switchers - findarticles.com
PCLinuxOS Makes Comeback for Windows Switchers findarticles.com
Categories: Linux
Ads Decoded episode 3 explores how Google is reimagining Search ads experiences in a way that delivers value for both users and advertisers.Ads Decoded episode 3 explores how Google is reimagining Search ads experiences in a way that delivers value for bo
Ads Decoded explores how the updated Search ads experience aims to deliver value for both users and advertisers.
Categories: Technology
Arm & Linaro Launch New "CoreCollective" Consortium - With Backing From AMD & Others - Phoronix
Categories: Linux
Anthropic Drops Flagship Safety Pledge
Anthropic, the AI company that has long positioned itself as the industry's most safety-conscious research lab, is dropping the central commitment of its Responsible Scaling Policy -- a 2023 pledge to never train an AI system unless it could guarantee beforehand that its safety measures were adequate. "We didn't really feel, with the rapid advance of AI, that it made sense for us to make unilateral commitments ... if competitors are blazing ahead," chief science officer Jared Kaplan told TIME.
The overhauled policy, approved unanimously by CEO Dario Amodei and Anthropic's board, instead commits the company to matching or surpassing competitors' safety efforts and to delaying development only if Anthropic considers itself to be leading the AI race and believes catastrophic risks are significant.
The company also plans to publish detailed "Risk Reports" every three to six months and release "Frontier Safety Roadmaps" laying out future safety goals. Chris Painter, director of policy at the AI evaluation nonprofit METR, who reviewed an early draft, told TIME the shift signals that Anthropic "believes it needs to shift into triage mode with its safety plans, because methods to assess and mitigate risk are not keeping up with the pace of capabilities."
Read more of this story at Slashdot.
The once beloved PCLinuxOS is back - and it's still a great Windows escape - ZDNET
Categories: Linux
'Linux is going to prime time for PCs. This is just a clue': Nvidia looks set to make its GPU drivers better in Linux - TechRadar
Categories: Linux