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How to perform find and replace operations within a visual selection in Vim

nixCraft - 12 hours 50 min ago
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. Love this? sudo share_on: Twitter - Facebook - LinkedIn - Whatsapp - Reddit 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

nixCraft - 12 hours 50 min ago
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. Love this? sudo share_on: Twitter - Facebook - LinkedIn - Whatsapp - Reddit 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

nixCraft - 12 hours 50 min ago
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. Love this? sudo share_on: Twitter - Facebook - LinkedIn - Whatsapp - Reddit 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

nixCraft - 12 hours 50 min ago
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! Love this? sudo share_on: Twitter - Facebook - LinkedIn - Whatsapp - Reddit 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 - 12 hours 50 min ago
{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

nixCraft - 12 hours 50 min ago
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. Love this? sudo share_on: Twitter - Facebook - LinkedIn - Whatsapp - Reddit 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

nixCraft - 12 hours 50 min ago
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. Love this? sudo share_on: Twitter - Facebook - LinkedIn - Whatsapp - Reddit 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.

nixCraft - 12 hours 50 min ago
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. Love this? sudo share_on: Twitter - Facebook - LinkedIn - Whatsapp - Reddit 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?

nixCraft - 12 hours 50 min ago
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. Love this? sudo share_on: Twitter - Facebook - LinkedIn - Whatsapp - Reddit 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

Five French Ubisoft Unions Call For Massive International Strike Over 'Cost-Cutting' and Ending of Remote Work

Slashdot.org - 14 hours 51 min ago
Five French unions representing Ubisoft workers "have called for a 'massive international strike'," reports the gaming news site Aftermath. The move follows a "series of layoffs and cancellations" at Ubisoft, the article points out, plus what the company calls a "major organizational, operational and portfolio reset" that will lead to more layoffs and cancellations announced last week. Ubisoft CEO Yves Guillemot even sent an end-of-day message warning that management continues to "make difficult decisions, including stopping certain projects" and "potentially closing select studios," an earlier article points out: Slipped in between the grand vision and subtle threats was the reversal of a popular hybrid work-from-home policy that would have a direct impact on everyone working at Ubisoft. Staff would be back in the office five days a week, but with the promise of a generous number of work from home days. "The intention is not to question individual performance, but to regenerate our collective performance, which is one of the key elements in creating the best games with the required speed," Guillemot wrote. There was immediate confusion and frustration. One French union representing Paris Ubisoft developers called for a half-day strike. "It is out of the question to let a boss run wild and destroy our working conditions," Solidaires Informatique wrote in a press release. "Perhaps we need to remind him that it is his employees who make the games...." [The article notes later that "There's concern that these shifts could make it harder for Ubisoft to recruit the talent it needs to improve, or even worse, actively drive away more of the company's existing veterans."] Particularly galling about the new return-to-office policy for some Paris staff was that they had only recently finished negotiating to ensure two days of work-from-home per week. "It's only been six months since the situation was more or less 'back to normal' and now it's shattered to the ground by Yves' sole decision with zero justification, zero documents, zero internal studies proving RTO increases productivity or morale, nothing," one developer told me. The specific details for the rollout of the return-to-office policy have yet to be communicated to everyone, could vary team by team, and might not go into effect for much of the year. The "massive international strike" would take place from February 10-12, Aftermath notes, citing the five French unions representing Ubisoft workers (CFE-CGC, CGT, Printemps Ãcologique, Solidaires Informatique, and STJV): "The announced transformation [at Ubisoft] claims to place games at the heart of its strategy, but without us, these games cannot exist," the unions wrote in a joint release.... We are not fooled: rather than taking financial responsibility for layoffs, they prefer to push us out by making our working conditions unbearable. It's outrageous...." The Ubisoft unions hope that February's strike will be the largest yet, and they're coordinating with unions outside France to present a globally united front against the company. A union representative at Ubisoft Paris even argued to Aftermath that because the CEO "needs to find 200€ million for the coming year, any person who has to quit because of this is a net benefit for him."

Read more of this story at Slashdot.

US Government Also Received a Whistleblower Complaint That WhatsApp Chats Aren't Private

Slashdot.org - Sat, 01/31/2026 - 22:11
Remember that lawsuit questioning WhatsApp's end-to-end encryption? Thursday Bloomberg reported those allegations had been investigated by special agents with America's Commerce Department, "according to the law enforcement records, as well as a person familiar with the matter and one of the contractors." Similar claims were also the subject of a 2024 whistleblower complaint to the US Securities and Exchange Commission, according to the records and the person, who spoke on the condition that they not be identified out of concern for potential retaliation. The investigation and whistleblower complaint haven't been previously reported... Last year, two people who did content moderation work for WhatsApp told an investigator with Commerce's Bureau of Industry and Security that some staff at Meta have been able to see the content of WhatsApp messages, according to the agent's report summarizing the interviews. [A spokesperson for the Bureau later told Bloomberg that investigator's assertions were "unsubstantiated and outside the scope of his authority as an export enforcement agent."] Those content moderators, who worked for Meta through a contract with the management and technology consulting firm Accenture Plc, also alleged that they and some of their colleagues had broad access to the substance of WhatsApp messages that were supposed to be encrypted and inaccessible, according to the report. "Both sources confirmed that they had employees within their physical work locations who had unfettered access to WhatsApp," wrote the agent... One of the content moderators who told the investigator she had access said she also "spoke with a Facebook team employee and confirmed that they could go back aways into WhatsApp (encrypted) messages, stating that they worked cases that involved criminal actions," according to the document... The investigator's report, dated July 2025, described the investigation as "ongoing," includes a case number and dubs the inquiry "Operation Sourced Encryption..." The inquiry was active as recently as January, according to a person familiar with the matter. The inquiry's current status and who may be the defined target are both unclear. Many investigations end without any formal accusations of wrongdoing... WhatsApp on its website says it does, in some instances, allow information about messages to be seen by the company. If someone reports a user or group for problematic messages, "WhatsApp receives up to five of the last messages they've sent to you" and "the user or group won't be notified," the company says. In those cases, WhatsApp says it receives the "group or user ID, information on when the message was sent, and the type of message sent (image, video, text, etc.)." Former contractors outlined much broader access. Larkin Fordyce was an Accenture contractor who the report says an agent interviewed about content moderation work for Meta. Fordyce told the investigator he spent years doing this work out of an Austin, Texas office starting as early as the end of 2018. He said moderators eventually were granted their own access to WhatsApp, but even before that they could request access to communications and "the Facebook team was able to 'pull whatever they wanted and then send it,'" the report states... The agent also gathered records that were filed in the whistleblower complaint to the SEC, according to his report, which doesn't describe the materials... The status of the whistleblower complaint is unclear. Some key points from the article: "The investigative report seen by Bloomberg doesn't include a technical explanation of the contractors' claims." "A spokesperson for Meta, which acquired WhatsApp in 2014, said the contractors' claims are impossible." One contractor "said that there was little vetting" of foreign nationals hired to do content moderation for Meta, saying this granted them "full access to the same portal to review" content moderation cases

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AI Use at Work Has Increased, Gallup Poll Finds

Slashdot.org - Sat, 01/31/2026 - 18:46
An anonymous reader shared this report from the Associated Press: American workers adopted artificial intelligence into their work lives at a remarkable pace over the past few years, according to a new poll. Some 12% of employed adults say they use AI daily in their job, according to a Gallup Workforce survey conducted this fall of more than 22,000 U.S. workers. The survey found roughly one-quarter say they use AI at least frequently, which is defined as at least a few times a week, and nearly half say they use it at least a few times a year. That compares with 21% who were using AI at least occasionally in 2023, when Gallup began asking the question, and points to the impact of the widespread commercial boom that ChatGPT sparked for generative AI tools that can write emails and computer code, summarize long documents, create images or help answer questions... While frequent AI use is on the rise with many employees, AI adoption remains higher among those working in technology-related fields. About 6 in 10 technology workers say they use AI frequently, and about 3 in 10 do so daily. The share of Americans working in the technology sector who say they use AI daily or regularly has grown significantly since 2023, but there are indications that AI adoption could be starting to plateau after an explosive increase between 2024 and 2025... A separate Gallup Workforce survey from 2025 found that even as AI use is increasing, few employees said it was "very" or "somewhat" likely that new technology, automation, robots or AI will eliminate their job within the next five years. Half said it was "not at all likely," but that has decreased from about 6 in 10 in 2023. A bar chart lists the sectors most likely to be using AI at their jobs: Technology (77%) Finance (64%) College/University (63%) Professional Services (62%) K-12 Education (56%) Community/Social Services (43%) Government/Public Policy (42%) Manufacturing (41%) Health Care (41%) Retail (33%)

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Electric Flying Cars Now for Sale by California Company Pivotal

Slashdot.org - Sat, 01/31/2026 - 17:34
"A future with flying cars is no longer science fiction," writes the Los Angeles Times. "All you need to order your own is about $200,000 and some hope and patience." The Palo Alto-based company Pivotal has been developing the technology since 2009 and is nearly ready to bring it to market... [Company founder Marcus] Leng engineered an ultralight, electric-powered vertical takeoff and landing aircraft known as an eVTOL. Other VTOL aircraft, such as helicopters, had existed for decades, but Leng's invention was fixed-wing and didn't rely on gas. The Canadian engineer dubbed his creation BlackFly and spent years working on it in secret. The company moved to the Bay Area in 2014 and by 2018 had developed a second version of BlackFly that laid the groundwork for Helix, the aircraft Pivotal now offers for sale... Those who are curious — and wealthy — can reserve a Helix today with a $50,000 deposit. The aircraft starts at $190,000 with the option of purchasing a transport trailer for $21,000 and a charger for $1,100. A customer who makes their reservation today could receive their aircraft in nine to 12 months, [Pivotal Chief Executive Ken] Karklin said. It takes less than two weeks to learn how to fly it. In order to complete Pivotal's flight certification training, a customer has to pass the FAA knowledge test and complete ground school. Training, which takes place at the company's Palo Alto headquarters and at the Monterey Bay Academy Airport, teaches customers how to control and maintain the aircraft, as well as how to transport and assemble it... It is uncertain how fast the company and others like it can ramp up production and how communities will react. Not everyone is on board. Darlene Yaplee, president of the Aviation-Impacted Communities Alliance, said there are concerns about having different types of aircraft in limited airspace. Pivotal has around six early-access customers who already own a version of the BlackFly and are flying it for fun... Helix will have an electric range of about 30 minutes and a cruise speed of 62 mph, the company said. It takes 75 minutes to charge it using a 240 volt charger. The noise produced by the aircraft during takeoff and landing is equivalent to a couple of leaf blowers, Karklin said. When flying it is overhead, someone on the ground might not be able to hear it. Karklin said the simplicity of the aircraft comes with lower cost, lower weight and higher safety. The aircraft, which has only 18 moving parts, is full of redundancy to prevent system failures. In short, the article describes it as "a single-person aircraft for recreational use and short-haul travel that also has the potential to support emergency response and military operations."

Read more of this story at Slashdot.

Apple Switches to Build-to-Order Systems on Its Web Site

Slashdot.org - Sat, 01/31/2026 - 16:34
"Apple has gone for a choose-your-own-adventure when shopping for a new Mac," writes long-time Slashdot reader esarjeant. Macworld explains: Apple has shifted from selling pre-configured Mac models to a fully customizable build-to-order system on its website, allowing customers to select display size, chip, memory, and storage options... This change emphasizes building a machine within budget rather than choosing from set configurations, potentially preparing for future CPU/GPU core selection with M5 chips. Third-party retailers like Amazon and Best Buy are expected to continue offering standard configurations for customers preferring traditional purchasing methods... Apple is rumored to offer the ability to customize CPU and GPU cores with the upcoming launch of the M5 Pro and M5 Max MacBook Pro models, so this new system could pave the way for more build-to-order options. It could also be a way to âoehideâ smaller price increases as memory and other component costs rise throughout 2026.

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