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Linux performance monitoring
Sunday, 09/03/14 - 0 comment(s)
One of the main tasks of a system administrator during crisis is to find performance bottlenecks of a running system. Although there are so many ready made tools available in Linux to fetch details about the current status of the system, it is not an easy task to come to a conclusion regarding performance. The main reason is that there are so... + continue reading
Anycast and its working
Monday, 13/01/14 - 0 comment(s)
If you try to access slashroot.in from US the request will be routed to the Linode London data center. If you try to access slashroot.in from Asia, again the request will be routed to the same Linode London Data Center. Take one more case, and try to access slashroot.in from Europe (Ireland) the request will be again routed to Linode London. ... + continue reading
PEC (Perfect Forward Secrecy)
Saturday, 14/12/13 - 0 comment(s)
Actually I was writing a usual tutorial article for getting SSL VPN configured for clients to login using their key pairs. I was doing a little bit of research to make that article more accurate while I explain its working. And during that research I stumbled upon one interesting fact about the way we communicate using SSL. Hence this article is... + continue reading
Logstash central logging
Thursday, 21/11/13 - 15 comment(s)
Whenever you have a problem with any component in your architecture, the first thing that a system administrator does is to go and check the logs related to that application. Because logs can provide you an insight to what problem that application is facing. If you are responsible for handling only a few handful of servers and applications... + continue reading

Security Related

Stop Referrer Spam
2.949
reads
78 today
Sunday, 23/03/14 - 0 comment(s)
Internet is a very beautiful place to learn new things and gain information. As it has to provide information and access to anybody from anywhere in the globe, there was no other option, than to keep... + continue reading
SSL open VPN
8.226
reads
58 today
Tuesday, 17/12/13 - 0 comment(s)
Virtual Private Network is a norm these days in any architecture, where you enable access to your internal network to authorized employees and other associates. In this tutorial we will be discussing... + continue reading
PEC (Perfect Forward Secrecy)
11.115
reads
33 today
Saturday, 14/12/13 - 0 comment(s)
Actually I was writing a usual tutorial article for getting SSL VPN configured for clients to login using their key pairs. I was doing a little bit of research to make that article more accurate... + continue reading

Networking Related

Network Traffic Per Process in Linux
4.431
reads
59 today
Wednesday, 05/03/14 - 0 comment(s)
Being a system administrator, there are times when we need to check which process is taking high network bandwidth on a machine. This is not that easy to do without any standard tool designed only... + continue reading
Anycast and its working
6.460
reads
57 today
Monday, 13/01/14 - 0 comment(s)
If you try to access slashroot.in from US the request will be routed to the Linode London data center. If you try to access slashroot.in from Asia, again the request will be routed to the same Linode... + continue reading
DHCP server configuration in router
1.463
reads
13 today
Tuesday, 31/12/13 - 1 comment(s)
As we know ip addresses can be assigned to a end device in two way. StaticDynamicIn static way network admin or system admin or user manually assigned ip address on the device, but if the number of... + continue reading

Technical News

Multipath TCP
5.290
reads
16 today
Monday, 28/10/13 - 5 comment(s)
Every day we read some or the other technical stuff online that we feel like will be a boom in the coming days. Most of the times the stuff we stumble upon will only be a modified version of an... + continue reading
HTTP Protocol Version 2
3.563
reads
12 today
Wednesday, 31/07/13 - 0 comment(s)
Knowingly or unknowingly each and every one of us are using one or the other communication protocol in our day to day lives. It takes a lot of hard work to design a protocol that fulfils our... + continue reading
ubuntu inside windows
2.319
reads
5 today
Wednesday, 28/11/12 - 0 comment(s)
Recently one of our Facebook friend asked us about a way to install Linux inside windows like an application. People who are very much used to windows for their day to day usage are a bit hesitant... + continue reading