Firewall! What a high sounding word! Means high protection & a safe cocoon for all the newbies. Thats exactly what I did setup in my laptop: A firewall! A personalized firewall. My use cases & reasons were very simple. Every once in a while, I expose my laptop to unsafe open Internet like the cafes, […]
The biggest problem I found was not identifying all the network interfaces available but the ones that are up. For instance, the 2 quickest way to identify all the available network interfaces are: ip link $> ip link show 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN mode DEFAULT group default link/loopback 00:00:00:00:00:00 brd […]
I am suffering from a big time space crunch when it comes to my windows box. Unbelievable. Even a 300G disk seem insufficient! And, I am geeky enough to ensure my private stuff, work stuff & OS stuff does not reside on the same partition. Yet I get into super-duper mess! Now I am at my […]
Did you also notice a giant (apparently) useless hiberfil.sys sitting in your C:\?! So did I. Well, it is nothing but “a placeholder if we choose to hibernate the system.” The geeky information here is if the user chooses to hibernate instead of sleep or shutdown then the entire RAM (at that point in time) […]
Yet again xkcd.com has come up with a beauty. This time it is on the strength of your password. Or rather the lack of it! đŸ™‚ I still don’t buy into this but it is a good point to keep in mind. đŸ™‚
Well, well, haven’t we all faced this irritating issue where apt-gets begin to fail? I have faced it one too many times. Frustrating and mind-numbing. One of the common error is the infamous GPG Error. A “BADSIG” scenario. For instance, I faced this today: $> sudo apt-get update … … … Ign http://archive.ubuntu.com trusty-security/main Translation-en_IN […]
The best infographic explanation on the now popular ‘heartbleed’ vulnerability is found on XDCD.com: … and you are welcome! :p
A simple problem I was facing in Ubuntu was finding an equivalent of “chkconfig” available on the Redhat flavors. Well, for the unaware people: ‘chkconfig‘ is popularly used for adding or removing any services during boot. In other words, it updates and queries runlevel information for system services. So, my search was for a similar tool […]
Well, we all face this problem at some time in our programming lives. Did our code mess up the memory? Did I screw up any of the pointer addresses? Did my code overflow or underflow memory? Does my code leak memory? Well, is there a direct solution to this one? Perhaps, yes. Perhaps, not! It […]
Oh, this kinda irritated me. I wanted to know this information for my project and I kept forgetting the actual value at the time of need. So wanted to get this clear in my head right now. This is straight forward and simple; we just need to check the network connection details. So, how do […]