explainshell.com

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Match linux command-line arguments to view their help text.

stackshare.io

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Dev / Production stacks for all to see. Handy tool to see what software is trending today.

aws.amazon.com

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Amazons’s cloud computing & web hosting service.

Amazon CloudWatch Logs Insights adds new query commands and functions

21 May 2026 @ 11:00 pm

Amazon CloudWatch Logs Insights query language now supports 13 new commands and functions that give you more powerful ways to query, transform, and analyze your logs. Customers analyzing logs in CloudWatch Logs Insights often need to perform string manipulation, encode or decode field values, parse non-JSON log formats, or calculate geographic distances, so they can derive deeper insights from their logs. With this launch, CloudWatch Logs Insights provides new string and numeric functions (round, startswith, endswith, case, regex_replace, haversine), encoding and decoding functions (urlencode, urldecode, base64encode, base64decode), and new parse and analysis commands (parse logfmt, expand, relevantfields). You can now filter logs by string prefixes, decode Base64 payloads inline, parse logfmt structured logs into fields, expand nested JSON arrays into individual records, calculate distances between coordinates, and automatically surface relevant fields in high-cardinality

Amazon EC2 C7i-flex, M7i-flex & M7i instances now available in Asia Pacific (Hyderabad) region

21 May 2026 @ 7:39 pm

Starting today, Amazon Elastic Compute Cloud (Amazon EC2) C7i-flex, M7i-flex and M7i instances powered by custom 4th Gen Intel Xeon Scalable processors (code-named Sapphire Rapids) are available in Asia Pacific (Hyderabad) region. These custom processors, available only on AWS, offer up to 15% better performance over comparable x86-based Intel processors utilized by other cloud providers. C7i-flex and M7i-flex instances are the easiest way for you to get price-performance benefits for a majority of general-purpose workloads. They deliver up to 19% better price-performance compared to C6i and M6i  instances respectively. These instances offer the most common sizes, from large to 16xlarge, and are a great first choice for applications that don't fully utilize all compute resources such as web and application servers, virtual-desktops, batch-processing, and microservices.    M7i deliver up to 15% better price-performance compared to M6i. M7i inst

SageMaker Unified Studio automates Glue connector provisioning for cross-subnet job retries

21 May 2026 @ 7:27 pm

Amazon SageMaker Unified Studio now supports automatic creation of connections for Glue job retries across subnets to improve data pipeline resilience. This helps organizations running business-critical data pipelines reduce unplanned downtime and meet their SLAs — without requiring engineers to manually configure backup connectors or intervene during subnet failures. With this launch, SageMaker Unified Studio automates the provisioning of Glue connectors across subnets defined in the domain VPC configuration. Administrators can define their domain VPC with multiple private subnets across availability zones, and the system provisions the connectors needed for all new projects so that failed jobs can be retried on an alternate subnet automatically. If a Glue job fails because the primary subnet is unavailable due to IP address exhaustion or availability zone degradation, the job can be retried on a connector in a different subnet. No user action is needed beyond the initial

Amazon SageMaker AI now supports OpenAI-compatible APIs for inference endpoints

21 May 2026 @ 5:55 pm

Amazon SageMaker Inference now supports OpenAI-compatible APIs, so you can use the tools and frameworks you already know, like the OpenAI SDK, LangChain, and Strands Agents, to connect directly to your SageMaker endpoints. Switching requires nothing more than changing an endpoint URL — no custom integration code, no SDK wrappers, no rewrites. With this launch, you no longer need to adopt a different API format or change your authentication approach. Simply change your endpoint URL, and your existing SDK calls, streaming logic, and framework integrations continue to work as-is. You immediately gain the ability to choose your own GPU instances, keep data in your own VPC, run any open source or fine-tuned model, and scale with auto-scaling policies tuned to your workload. Authentication uses existing AWS credentials with automatic token refresh, so there is nothing extra to manage in production. This capability is available today in US East (N. Virginia), US West (O

Amazon Aurora MySQL 8.4 is now generally available

21 May 2026 @ 4:00 pm

Amazon Aurora MySQL-Compatible Edition now supports MySQL 8.4, a community MySQL Long Term Support (LTS) major version. Aurora MySQL 8.4 launches with compatibility for community MySQL 8.4.7 and introduces aligned version numbering, so the version number you run on Aurora matches the community MySQL version it is compatible with. Aurora also manages the underlying patch on your behalf, simplifying day-to-day operations. Aurora MySQL now targets major versions within 12 months of community MySQL LTS releases, minor versions within 3 months of each community minor, and an Aurora LTS minor within 12 months of each major. For engine specific release objectives, see the Aurora and RDS open source release calendar announcement. Aurora MySQL 8.4 strengthens security defaults for new clusters. TL

Amazon RDS Custom now supports the latest GDR updates for Microsoft SQL Server

21 May 2026 @ 7:22 am

Amazon Relational Database Service (Amazon RDS) Custom for SQL Server now supports the latest General Distribution Release (GDR) updates for Microsoft SQL Server. This release includes support for SQL Server 2019 CU32+GDR KB5084816 (RDS version 15.00.4465.1.v1) and SQL Server 2022 CU24+GDR KB5083252 (RDS version 16.00.4250.1.v1). The GDR updates address vulnerabilities described in CVE-2026-32167 and CVE-2026-32176. For additional information on the improvements and fixes included in these updates, see Microsoft documentation for KB5084816, KB5083252. You can upgrade your Amazon RDS Custom for SQL Server instances to apply these recommended updates using Amazon RDS Management Console, or by

Amazon Bedrock expands support for request-level usage attribution

20 May 2026 @ 11:34 pm

Amazon Bedrock customers can now attribute model inference usage to specific teams, applications, environments, and experiments at the individual request level on the InvokeModel and InvokeModelWithResponseStream APIs. This gives customers fine-grained visibility into how their Amazon Bedrock usage is distributed across their organization, helping them understand consumption patterns, optimize spend, and report usage back to internal stakeholders without provisioning additional resources. This launch builds on Amazon Bedrock's existing portfolio of usage attribution capabilities. Customers can already attribute model inference usage at the resource and identity level using application inference profiles, IAM principal-based attribution, project-level tracking on the OpenAI-compatible bedrock-mantle endpoint, and workspace-level tracking for Anthropic Claude models. For finer-grained, per-request attribution, the Converse and ConverseStream APIs have supported reques

AWS Security Hub now uncovers identity risks from unused access

20 May 2026 @ 8:20 pm

Today, AWS Security Hub brings identity risk into the same unified console where central security teams already manage threats, exposures, and posture findings. Security Hub now detects unused IAM permissions, roles, and credentials across your AWS organization, helping central security teams identify and reduce identity risk at scale. Until now, managing identity risk across hundreds of accounts required toggling between multiple tools, with no unified view connecting unused permissions to actual resource exposure. Security Hub now surfaces these identity risks alongside threats, exposures, and posture findings in a unified console, enabling teams to prioritize remediation based on actual organizational risk. When you enable Security Hub for your organization, a service-linked IAM Access Analyzer is automatically created in each member account with no additional configuration required. Security Hub evaluates IAM principals against 90 days of actual access activity, detects

Amazon DocumentDB (with MongoDB compatibility) Serverless is now available on DocumentDB 8.0

20 May 2026 @ 6:17 pm

Amazon DocumentDB (with MongoDB compatibility) Serverless, an on-demand, auto-scaling configuration for DocumentDB, is now available on version 8.0. Amazon DocumentDB Serverless automatically scales capacity up or down in fine-grained increments based on your application's demand, offering up to 90% cost savings compared to provisioning for peak capacity. DocumentDB 8.0 improves query latency by up to 7x and compression ratio by up to 5x, while adding compatibility with MongoDB API versions 6.0, 7.0, and 8.0. It also introduces enhanced vector search with up to 30x faster index builds, new aggregation stages and operators, and support for collation and views. DocumentDB Serverless is available for both new and existing clusters on Amazon DocumentDB 8.0. You can use the in-place major version upgrade (MVU) to convert your Amazon DocumentDB 5.0 clusters to Amazon DocumentDB 8.0 clusters. Please see 

Security Hub Extended expands to 21 curated partner solutions across 9 categories

20 May 2026 @ 6:00 pm

AWS Security Hub Extended plan now includes 21 curated partner solutions across 9 security categories, adding SentinelOne (endpoint), CyberArk (identity), Sublime (email), Varonis (data security), LayerX (browser), Native Security (cloud), and Zenity (AI security). With these additions, you have more flexibility to select the solutions that best fit your enterprise security requirements. All solutions have published pay-as-you-go pricing, a single AWS bill, automatic Enterprise Discount Program (EDP) eligibility, unified Level 1 support for AWS Enterprise Support customers, and no long-term commitments. Security Hub Extended is a plan of Security Hub that helps simplify how you procure, deploy, and integrate a full-stack enterprise security solution across endpoint, identity, email, network, data, browser, cloud, AI, and security operations. With today's expansion, you now have more choice within each category, selecting between established leaders and fast-growing inno

networkworld.com

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Information, intelligence and insight for Network and IT Executives.

Cisco: AI traffic is radically reshaping WANs

22 May 2026 @ 2:43 pm

AI agents generate up to 450% more network traffic than humans can, and they’re beginning to reshape network traffic patterns in measurable ways. Enterprise network traffic without agentic AI is expected to grow 2.5x in the next decade — agentic AI adoption will push that growth to 9x compared to current traffic levels, driven by autonomous task execution and inference-heavy workflows, according to new research from Cisco. Cisco’s new study, AI Impact on Wide Area Networks 2026, finds AI and agentic AI will not only increa

xAI-Anthropic deal signals the rise of AI compute as a standalone business

22 May 2026 @ 8:47 am

New SpaceX IPO filings suggest frontier AI firms are beginning to treat compute infrastructure as a standalone commercial business, with Elon Musk’s xAI agreeing to provide large-scale AI capacity to competitor Anthropic. The filing disclosed that Anthropic agreed to purchase compute services delivered through xAI’s Colossus and Colossus II AI infrastructure clusters through May 2029 under an agreement valued at roughly $1.25 billion per month. The arrangement is notable because Anthropic competes directly with xAI in the market for frontier AI models and enterprise AI services, suggesting at least some AI developers are increasingly willing to buy large-scale compute capa

Critical vulnerability in Cisco Secure Workload rated at maximum severity

21 May 2026 @ 10:43 pm

A critical vulnerability in the on-premises version of the Cisco Secure Workload security platform could allow a threat actor to obtain the privileges of a site admin, enabling them to compromise endpoints and read or modify configuration data. “CSOs need to drop what they are doing and patch this immediately,” warned consultant Robert Enderle, who heads the Enderle Group. “Cisco Secure Workload manages zero trust, micro-segmentation, and enterprise-wide network visibility. If an attacker controls the platform that dictates your security policies, they effectively own the map and

Cisco’s new certs are a wake-up call for AI-era network engineers

21 May 2026 @ 6:55 pm

Cisco is reshaping its certification portfolio to reflect an AI-first world, with major updates to CCNA and CCIE that explicitly bake AI, automation, and “human skills” into the learning path. These changes matter not only as exam tweaks but also as a signal of how the role of the network, and the people who run it, is changing in the AI era. What Cisco is changing Cisco is rolling out AI-drive

Microsoft plans significant update to Windows Secure Boot

21 May 2026 @ 6:33 pm

Microsoft is about to make a significant upgrade to its Secure Boot system, and if enterprise customers have not gotten started on the upgrade, they are already behind. Secure Boot is a Windows subsystem that verifies that each driver is signed by a trusted certificate on startup. If something doesn’t match, it gets blocked. For enterprise networking customers, Microsoft Secure Boot enhancements are important because the system defends against firmware-level attacks, bootkits, ransomware, and pr

Forward launches Predict to take the guesswork out of network changes

21 May 2026 @ 12:54 pm

Forward (formerly Forward Networks) has been building out technology for a decade to help enterprises better understand their network traffic. In January, the company launched an agentic AI system built on its network digital twin, giving operators a mathematically grounded way to query, verify, and automate workflows across multi-vendor environments. The company is now extending that foundation with Forward Predict, a capabi

Network jobs watch: Hiring, skills and certification trends

21 May 2026 @ 11:58 am

Network and infrastructure roles continue to shift as enterprises adopt technologies such as AI-driven network operations, multicloud networking, zero trust network access (ZTNA), and SD-WAN. Here’s a recap of some of the latest industry research, hiring s

Nvidia: Latest news and insights

20 May 2026 @ 6:55 pm

More processor coverage on Network World:Intel news and insights | AMD news and insights With its legacy of innovation in GPU technology, Nvidia

Riverbed expands autonomous AI capabilities for Aternity platform

20 May 2026 @ 5:59 pm

Riverbed this week introduced a broad set of AI-driven enhancements to its Aternity digital employee experience (DEX) platform aimed at helping enterprise IT teams move beyond reactive troubleshooting to automating more IT operations workflows. The Aternity Experience Platform now includes autonomous operations, observability, and AI govern

Cisco: Latest news and insights

20 May 2026 @ 5:35 pm

Cisco (Nasdaq:CSCO) is the dominant vendor in enterprise networking, and under CEO Chuck Robbins, it continues to shake things up. Cisco is focusing on strategic AI initiatives and partnerships across various regions to build and power AI data centers and ecosystems. The networking giant continues to focus on integrating AI into its security offerings, with announcements around Cisco Secure AI Factory with Nvida, which aims to embed security into all layers of AI infrast

forensicswiki.org

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Computer forensic tools and techniques used by investigators

cyberciti.biz

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online community of new and seasoned Linux / Unix sysadmins.

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heartinternet.co.uk

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Hosting packages for an initial web presence

What we’ve been doing to improve the reseller experience

18 May 2026 @ 10:53 am

A lot has been changing at Heart Internet, with major improvements across our platform, products, security, infrastructure and support. We’ve completed a major transition to fully independent operations, launched new... The post What we’ve been doing to improve the reseller experience appeared first on Heart Internet.

Unique Domain Extensions You Might Not Have Heard Of

15 May 2026 @ 10:30 am

The post Unique Domain Extensions You Might Not Have Heard Of appeared first on Heart Internet.

Business Email and Website Hosting

8 May 2026 @ 10:30 am

The post Business Email and Website Hosting appeared first on Heart Internet.

What Is the Future of the Internet?

1 May 2026 @ 10:30 am

The post What Is the Future of the Internet? appeared first on Heart Internet.

Copy Fail Linux Vulnerability (CVE-2026-31431)

30 April 2026 @ 2:43 pm

On 29 April 2026, security researchers at Theori (Xint Code) publicly disclosed CVE-2026-31431, known as “Copy Fail.” It is a local privilege escalation flaw in the Linux kernel’s AF_ALG cryptographic... The post Copy Fail Linux Vulnerability (CVE-2026-31431) appeared first on Heart Internet.

How to Reduce the Bounce Rate of Your WordPress Site

24 April 2026 @ 10:30 am

The post How to Reduce the Bounce Rate of Your WordPress Site appeared first on Heart Internet.

How to Check for Available Domains

31 March 2026 @ 1:48 pm

The post How to Check for Available Domains appeared first on Heart Internet.

SSL Certificates are changing. Here’s what you need to know.

17 March 2026 @ 10:12 am

The rules around SSL certificates are changing across the whole internet. The good news is that for most customers, very little will change on your side. This is an industry-wide... The post SSL Certificates are changing. Here’s what you need to know. appeared first on Heart Internet.

Hosting VPS Linux vs Windows VPS

9 March 2026 @ 3:03 pm

The post Hosting VPS Linux vs Windows VPS appeared first on Heart Internet.

Domain Name Transfer Checklist: Everything You Need to Know

3 March 2026 @ 2:56 pm

The post Domain Name Transfer Checklist: Everything You Need to Know appeared first on Heart Internet.

serverfault.com

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Common Server issues – FAQs and answers from those in the know

Starting lsyncd service times out, but leaves child process working

22 May 2026 @ 9:10 am

I set up lsyncd to listen changes on one directory that has hundreds of sub-directories and thousands of files (36GB in total). When I start it with systemctl start lsyncd.service or service lsyncd start, it takes a few minutes and times out. But it leaves behind a child process that seems to be fully functional. # ps aux | grep lsyn root 1238620 1.5 0.2 73136 71452 ? SN 11:54 0:09 /usr/bin/lsyncd -pidfile /var/run/lsyncd.pid /etc/lsyncd/lsyncd.conf.lua All changes in the source directory are synchronized to the target. But as the main process dies and systemctl status lsyncd.service is showing that it failed, I bet it would try restarting it infinitely if I enable the service. My config: -- lsyncd config file for 2-way sync settings { logfile = "/var/log/lsyncd/lsyncd.log", statusFile = "/var/log/lsyncd/lsyncd.status", sta

Reporting DOS attack on nginx to back server

21 May 2026 @ 8:04 pm

I'm trying to write some configuration for nginx to report a small DOS attack to a back server. Here is my current related configuration: http { limit_req_zone $binary_remote_addr zone=one:2m rate=30r/m; limit_req_status 429; limit_conn_zone $binary_remote_addr zone=addr:2m; limit_conn_status 444; proxy_cache_path /tmp/nginx/cache/ddos levels=1:2 keys_zone=ddos_cache:1m max_size=1m use_temp_path=off; server { listen 80; limit_req zone=one burst=5 nodelay; #limit_conn addr 5; client_body_timeout 5s; client_header_timeout 5s; location / { root html; index index.html index.htm; } error_page 429 /ddos-report; location = /ddos-report { internal; proxy_pass http://127.0.0.1:9999; proxy_ignore_headers Cache-Control Expires Set-Cookie X-Accel-Expires Vary; proxy_cache_key $uri;

Software to install SSL certificates on IIS? [closed]

21 May 2026 @ 5:10 pm

I'm a developer who knows just enough about IIS to manage my VPS. One inconvenience is setting up SSL certificates. I am able to do this except for one site I have. The primary domain is managed and hosted by someone else. I am managing a sub-domain of that domain. This seems to complicate everything. And I once spent two days trying to configure the certificate and still couldn't get it to work. In one case, we hired someone to take care of this for us. And all he did was run some software that took care of it. My question is, does anyone have any experience with software that could handle and simplify installing certificates on IIS when you do not control the main domain?

dnsmasq: duplicate dhcp-host IP address despite IPs being unique

21 May 2026 @ 3:29 pm

After a system upgrade, I have to reconfigure my dnsmasq installation, as the config file /etc/dnsmasq.conf.cfg01411c is now always autogenerated from /etc/config/dhcp. Now I always get this error message: mixtile@ClusterBox:~$ sudo dnsmasq --no-daemon --log-queries=extra --log-dhcp --log-debug -C /etc/dnsmasq.conf.cfg01411c dnsmasq: duplicate dhcp-host IP address 10.20.0.11 at line 26 of /etc/dnsmasq.conf.cfg01411c This happens, although the test is passed: mixtile@ClusterBox:~$ sudo dnsmasq --test dnsmasq: syntax check OK. This is the generated config file: # auto-generated config file from /etc/config/dhcp conf-file=/etc/dnsmasq.conf dhcp-authoritative log-queries=extra no-resolv enable-ubus=dnsmasq expand-hosts log-dhcp dhcp-sequential-ip all-servers log-facility=/var/log/dnsmasq.log cache-size=1000 edns-packet-max=1232 domain=lan server=192.168.178.1 i

Cloud SQL PostgreSQL 14 upgrade complete but PostgreSQL 15/16 not appearing as upgrade options after 5 days

20 May 2026 @ 5:29 pm

I successfully upgraded a Cloud SQL instance from PostgreSQL 13 to PostgreSQL 14 on May 13, 2026. It has now been 5 days and when I go to upgrade again, the dropdown only shows PostgreSQL 14 as an option — PostgreSQL 15 and 16 are not appearing. Instance details: Edition: Enterprise Availability: Highly available (multiple zones) Region: us-east1 Current version: PostgreSQL 14.22 Instance is healthy and automated backups completing normally Product is retired, no active traffic Steps taken: Validated upgrade to PG14 ✓ Disabled replication on replica Upgraded successfully to PG14 Waited 5 days — PG15 still not appearing Has anyone encountered this? Is there a known delay or a fix?

outbound https is blocked from docker containers

20 May 2026 @ 2:12 pm

I'm having trouble with containers and outbound https: $ docker run --rm -it alpine/curl curl https://google.com curl: (7) Failed to connect to google.com port 443 after 1 ms: Could not connect to server Running with host networking works, though: $ docker run --network=host --rm -it alpine/curl curl https://google.com <HTML><HEAD><meta http-equiv="content-type" content="text/html;charset=utf-8"> <TITLE>301 Moved</TITLE></HEAD><BODY> <H1>301 Moved</H1> The document has moved <A HREF="https://www.google.com/">here</A>. </BODY></HTML> A lot of online resources mention that docker's network MTU might be too big, but that's not the case: $ ifconfig | grep mtu docker0: flags=4099<UP,BROADCAST,MULTICAST> mtu 150

Moving Site from Heroku to DigitalOcean Too Slow [closed]

20 May 2026 @ 9:17 am

We are in the process of moving our site from Heroku to self-hosting on DigitalOcean (DO). It's not a busy site in terms of numbers of users at any one time, but it is heavily processor/DB intensive so every request can potentially do a lot of requests and calculating. This is partially mitigated with a big memcache. Apart from the site DB we also access another big database which is where all the key data is held (that used to be Salesforce, but we're moving off that too). Most of the memcache is holding that key data locally to speed up response. What is working: external DB, with site hosting, memcache and site DB on Heroku. Response time averagely 0.4/s. Hope that was clear. We've been testing deployments with our UAT site and can't get past the fact that when we move the site DB off Heroku to DO, the performance crashes to the point that we get almost 100% 30-second timeouts on the test site. We tried to changeover on the production sit

Loopback testing of NVME target created using fcloop using SPDK without physical hardware support

20 May 2026 @ 4:46 am

I want to test NVME over fibre channel. I setup nvme_fcloop, nvmet_fc, and nvme_fc. How can I discover, connect and test NVME target over fibre channel using Storage Performance Development Kit (SPDK), but without physical hardware?

How to use the ssh port foward of the host from a VM? [closed]

19 May 2026 @ 9:26 am

I can do basic ssh forwarding, but I get lost when the going gets tough. On Linux host MachineA, I setup the following forwarding and it works from MachineA: localuser@MachineA $ ssh -L 4840:MachineC:4840 remoteuser@MachineB That host also runs a Windows VM, and it needs to access port 4840 on MachineC and I need to know how to do that. The VM has its network running as NAT (I can change it). How can I change the ssh command to allow access?

Monitoring if an scp connection is still transmitting

17 May 2026 @ 7:53 pm

I am using SCP to transfer a lot of date between my local computer and a remote server. I am using tmux, but the session is frozen. I used wireshark to know that the file transfers are still going, but there is a less convoluted way to know if the transfer is still going on? I do not care to know what is being transfer, just that something is being transfer and the connection is not dead.

poundhost.com

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Cheap dedicated server hosting

tagadab.com

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