Xdebug is a powerful debugging and profiling tool for php that allows you to find and fix errors faster by showing the entire stack trace and source code file and line number. If you want your php development to be error free you should use something like xdebug right from the beginning. A very useful… Read More »
A lot of Intel processors like the i5-7400 have integrated gpus, that work quite well with Ubuntu and similar Linux systems using the open source drivers. Besides IGPU inside CPUs, there are even some motherboards that have IGPU in their chipsets. In this article we shall take a look at some of the commands that… Read More »
We often receive password encrypted pdfs on our mail from various places. When saving these pdfs locally its a good idea to get rid of the password, so that we don’t need to remember it later on. On Ubuntu there are many simple ways to remove the password of a pdf files, each with its… Read More »
Connecting apple devices like iphones and ipads to other platforms like windows or linux has never been easy, simply because apple’s ecosystem does not support anything outside of it. However recent models of ipads started supporting usb drives natively. That means you can now connect the usb drive to the ipad and read/write files to… Read More »
Auto-mount partitions On Linux systems like Ubuntu or Kubuntu all partitions other than the root partitions are usually not mounted at startup. Clicking on the partition inside a file manager mounts them and open the content for viewing. However sometimes it is desirable that the partition mounts automatically at startup, so that some application can… Read More »
Dpkg Dpkg (Debian Package) is a package management system in Debian and debian based linux distributions like Ubuntu. Dpkg is actually a low level command line utility to manage packages. It is different from tools like apt-get and gdebi. Apt-get and Gdebi are more advanced tools that can resolve dependencies and install them so that… Read More »
Open Ports Ports are opened on a system by various background services like http server, database server, smtp server etc. If you are running a webserver and launch any such service then it will open a port so that other systems on the internet or local network can connect to it. After you start a… Read More »
CPU temperature Ever noticed your cpu fan making a lot more noise than usual ? It does so when the temperature of the processor gets high due to high processing. Sometimes, the processor may heat up so much that the system would start lowering the processor clock speed and would show up such a message:… Read More »
Spam free email with SpamAssassin If you are running your own mailbox on a server using Postfix and Dovecot then it is imperative to install an anti-spam software to protect your mailbox from getting bombed with incoming spam mails. And for this SpamAssassin is one of the best solutions available out there. It is quite… Read More »
Intel HD Graphics 630 Graphics Performance Recently I upgraded to a Intel i5-7400 processor which has inbuilt graphics processing capabilities. This processor comes with integrated graphics processor called HD Graphics 630. Details about the processor and its graphics processor can be found here – https://ark.intel.com/products/97147/Intel-Core-i5-7400-Processor-6M-Cache-up-to-3_50-GHz The graphics unit is compatible with DirectX and OpenGL. So… Read More »