Linux

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Cybersecurity

Chrome 0‑Day Under Active Attack: CVE‑2026‑2441 — What You Need to Do Now

Google has released an emergency patch for a high‑severity zero‑day in Chrome after confirming active exploitation in the wild. Tracked as CVE‑2026‑2441, the vulnerability is a use‑after‑free bug in Chrome’s CSS handling that can enable remote code execution when a user visits crafted web content. How the flaw works CVE‑2026‑2441 arises from improper lifecycle management of objects in the rendering engine’s CSS processing, leaving freed memory accessible and exploitable. An…

Saugata DattaFeb 16, 20263 min read937

Linux

Understanding GPO Inheritance and Blocking: Troubleshooting in Windows Domain Environments

Group Policy Objects (GPOs) are the backbone of centralized management in Windows domain environments. From enforcing password complexity to deploying software, GPOs shape the configuration and security of every computer within an organization. While the concept of GPO inheritance promises simplicity—policies defined high up in the Active Directory (AD) hierarchy flow down to all subordinate units—the reality encountered by administrators can quickly grow complex and bewildering. Recognizing how inheritance works…

Saugata DattaJan 20, 20263 min read870

Automation

Face-Off: Windows PowerShell vs PowerShell Core — The Real-World Transition

PowerShell has come a long way since its inception, becoming an essential tool not only for Windows administrators but also for IT professionals working across platforms. The transition from the original Windows PowerShell to PowerShell Core represents more than just a version change—it’s a fundamental evolution in how command-line automation and configuration management are approached in the modern IT landscape. For those who have relied on the familiar blue prompt…

Saugata DattaJan 16, 20264 min read1.1K

AWS

Do not trust any public VPN service, Create your own Secure SOCKS5 Proxy for just $5 – Be Free :)

If someone ask me to recommend one good proxy service, I would recommend none. Why should I trust any of them, as they can do what ever they want with my internet traffic, we don't have any control over them, nor we should trust their privacy policy. So, what will be the solution? Very simple, create your own in pubic cloud. There are many public cloud vendors out there offering…

Saugata DattaMay 11, 20205 min read4.7K

Cloud Computing

ClearView – Zero Configuration Web Server Monitoring Tool

Have you recently moved away from Linode to any other VPS (Virtual Private Server) providers for hosting your web server? Are you still desperately looking for an alternative to Linode server monitoring tool LongView? Yes…. Ok, I am here to guide you in fixing the web server monitoring issues. I have hosted this blog in Linode for more than two years and their services impressed me a lot. The free…

Saugata DattaSep 20, 20194 min read4.8K

Azure

Create Private PPTP VPN for personal use in Linode Cloud Hosting.

Nowadays many things are getting blocked by the government, and sometimes without even a valid reason. When something like this happen to you, you probably looking for some way to bypass these restrictions, and most of the times we look for free or cheap VPNs. In today's world, nothing is actually free, there is always something we are giving in return to those so called free providers and most of…

Saugata DattaDec 26, 20183 min read9.5K

AWS

New Feature : EC2 Instance Console Screenshot for Boot Troubleshooting

Finally a great feature add to AWS EC2 instances (HVM virtualization only), which was requested by almost everyone. Now we can take a console screenshot of any EC2 Instances. This is now available publicly. Earlier we had to log a case with AWS Support to get the AWS Console screenshot. This is a similar feature like Boot Diagnostics for Azure Virtual Machines v2. This new feature will be very much…

Saugata DattaMay 27, 20161 min read7.9K

Azure

Task Scheduler Error “A specified logon session does not exist” – Fix via Command Line and PowerShell for Scripting

This is very know issue, if you search internet, you will get multiple blog post with same solution for this issue, and if you follow the steps, it actually resolve this issue. In simple word, solution of this problem is Logon to the faulty system. Open SECPOL.MSC from Run Go to Security Settings | Local Policies | Security Options Open Network access: Do not allow storage of passwords and credentials…

Saugata DattaMay 26, 20163 min read7.7K

Cloudflare

Set File System Auditing via PowerShell

For last few days, I was trying to figure out how to set file system auditing via command line. I was looking for this as I had to apply some specific audit policy on multiple file servers. From GUI, we could do this, but it will take hours of manual activity. As requirement, I had to set Success Audit policy on Delete subfolders and files, delete and change permission. There…

Saugata DattaMay 20, 20142 min read41.2K

Linux

Install UnRAR on Solaris 10 (Sparc)

Download UnRAR from http://www.rarlab.com/rar_add.htm Extract .gz file on your system. Transfer unrar file to Solaris 10 server via FTP/SFTP, Destination path will be "/usr/bin" [ad#av_post] Change Permission of the unrar file to 555 Installation complete, now you can use UnRAR on Solaris. [ad#av_post]

Saugata DattaDec 11, 20091 min read10.6K

Compliance and Privacy

Logon as root/admin on Windows 7, Vista, XP, Gentoo, Debian, Ubuntu and Fedora without any Password

Now any user can logon to windows or linux system with Administrator or Root privilege, no matter what kind of permission he/she have by simply using a bootable floppy or bootable CD. And it is possible by using Kon-Boot. Kon-Boot is a prototype piece of software which allows to change contents of a linux kernel (and now Windows kernel also!!!) on the fly (while booting). In the current compilation state…

Saugata DattaMay 12, 20092 min read17.3K

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