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Manish Singh, senior Linux administrator, CNN-IBN

CNN-IBN’s Rocking Affair with PostgreSQL

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Developers and companies that build or deploy software solutions for websites that have to be available 24/7 can rely on fool-proof open source database...
Getting started...

Getting Started with Inotify

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Inotify is a Linux kernel feature that provides an event-driven framework for applications to monitor changes in the filesystem. This article demonstrates how to...
Tracking the DNA of Your Android Code

Tracking the DNA of Your Android Code

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In my previous article, we explored a process that developer teams can follow to manage the source code for software-related product development, using the...
Device drivers lessons time

Device Drivers, Part 5: Character Device Files — Creation & Operations

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This article is a continuation of the series on Linux device drivers, and carries on the discussion on character drivers and their implementation. In my...
Time to probe

Kernel Debugging Using Kprobe and Jprobe

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Debugging is like plumbing; it involves fixing difficult, hidden problems -- so, besides the vital experience, both debuggers and plumbers must have a specialised...
Sed Explained

Sed Explained, Part 1

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UNIX-like operating systems have numerous powerful utilities accessible via the command-line and shell-scripting, which are flexible enough to operate in a variety of problematic...
A network

Nessus with Metasploit — Track and Hack

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Networks play an important role in a sysadmin's life. But have you ever wondered about the security of your network, or tried to find...
Load balancing?

Layer 7 Load Balancers

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Linux has proven itself as a rock-solid operating system platform for industry-leading software appliances and applications, one of which is for load-balancing. As global...
Nmap scripts

Advanced Nmap: NMap Script Scanning

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In previous articles, we have studied NMap in great detail, including live scanning a firewall and verifying the recommendations. Now, it's time to study...
Saving Private GRUB

Saving Private GRUB: Remotely Restoring MBR on an Enterprise Server

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Corporate hardware systems differ from their conventional desktop counterparts primarily because they have a number of interesting features. For example, they provide an ability...