Kernel Talks

Unix, Linux & scripts.

Configuration of iptables policies

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Learn configuration of iptables policies in Linux. Know how to add, delete, save linux native firewall rules in iptables.

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Basics of iptables – Linux firewall

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Beginner’s tutorial to understand iptables – Linux firewall. This article explains about iptable basics, different type of chains and chain policy defining strategy.

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5 ways to check swap on Linux

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Learn 5 different ways to check swap space utilization on Linux server using free, swapon, /proc/swaps, top and vmstat/sar commands.

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Ultimate guide : swap addition in Linux (LVM, parted)

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Learn how to add swap using LVM, swap file and parted disk management. Also learn how to extend existing swap partition on Linux server

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Difference between tmpfs and swap

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Learn what is tmpfs, what is use of tmpfs, what is swap, what is use of swap and differences between tmpfs and swap.

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Why HPUX loosing market grip

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Few observations on why HPUX is loosing its grip in market. How virtualization, cloud, costing affects HPUX existence in market.

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How to create RAM disk in Linux

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Short tutorial explaining what is RAM disk and how to create RAM disk in Linux. It also includes differences between ramfs and tmpfs.

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Network routes in Linux

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Learn networking basics in Linux server. What is network route, how to check routes, how to define static and default routes in Linux system.

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All you need to know about hostname in Linux

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Learn what is hostname, how to set hostname and how to change hostname in Debian and RedHat based Linux systems.

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How to tune kernel parameters in Linux

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Article explaining how to tune kernel parameters in Linux system using command or using configuration file.

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