Beginner’s tutorial to understand iptables – Linux firewall. This article explains about iptable basics, different types of chains, and chain policy defining strategy.
Archives for June 2017
Learn 5 different ways to check swap space utilization on Linux server using free, swapon, /proc/swaps, top and vmstat/sar commands.
Learn how to add swap using LVM, swap file, and parted disk management. Also, learn how to extend existing swap partition on Linux server
Learn what is tmpfs, what is the use of tmpfs, what is swap, what is the use of swap and differences between tmpfs, and swap.
Few observations on why HPUX is losing its grip in the market. How virtualization, cloud, costing effects HPUX existence in the market.
Short tutorial explaining what is RAM disk and how to create a RAM disk in Linux. It also includes differences between ramfs and tmpfs.
Learn networking basics in the Linux server. What is the network route, how to check routes, how to define static and default routes in the Linux system?