Debug Tomcat Webapp
This guide is not tied to any specific IDE. But I’ll be focusing on Tomcat 8 with Intellij IDEA. Open up a command window/terminal and cd in to $CATALINA_HOME/bin directory. $CATALINA_HOME is simply the place where you installed or extracted Tomcat. If you have installed Tomcat as a service (ie. […]

Debugging your Tomcat Webapp with Intellij Idea


RHEL kernels come with SysRq compiled in by default, but most distributions including Fedora disable this ‘Magic System Request’ functionality, at the boot time. To see if it is already enabled: $ cat /proc/sys/kernel/sysrq 0 0 means that the SysRq is disabled. Here in my case on Stock Fedora 23 […]

Magic Sysrq Fedora – REIUSB


No native matching package installed/found
Fixing no native package found errors JHBuild uses apt-file to locate packages which a given file belongs to. When apt-file cannot locate the relevant packages for you, JHBuild would give you with informational warnings: I: Installing dependencies on system: libsystemd-journal libtiff I: Using apt-file to search for providers; this may […]

Fixing JHBuild Issues



Save bandwidth data Youtube
Let me guess a bit. If you are reading this, you’re likely a victim of your ISP who imposes bandwidth caps on you. YouTube is a beast when it comes to online bandwidth consumption. Isn’t that annoying every time you have to click on that gear icon , just to […]

Save Bandwidth on Youtube


SDK and Chroots
You can use click command to easily list, manage and destroy click packages and chroot builds. The chroots can take up disk space of over 2GB. So knowing how to properly remove them when not being used is a must. To list all installed Click packages sudo click list list […]

Remove Ubuntu SDK and Click Packages




Manage Android Projects from Terminal 1
Why bother with command line when we could just use a high-end IDE like Android Studio? Having understanding of Android’s basic command line tools is always a good starting point for beginners to further understand its build process. Assuming that your ‘sdk/tools’ and ‘sdk/platform-tools’ directories are included in your PATH […]

Creating Android Project from the Command Line


How to find GPT or MBR
Before proceeding.. Check whether your partition table is GPT or MBR. MBR allows only 4 primary partitions where as GPT disks support up to 128 partitions. UEFI based or BIOS based computer. Check your BIOS, if you have an UEFI based system there must be an option to enable UEFI. […]

Fix Partition Table Issues When Trying To Dual-Boot Windows and ...


mount NTFS partitions /etc/fstab
In a multi boot Windows-Linux scenario, there are cases that you may want your NTFS/vFat partitions to be automatically mounted during boot. Specially when you have a shared NTFS data partition. There are several ways to accomplish this .. .. the most definite solution is to edit `/etc/fstab`. The fstab […]

Mounting Windows Partitions in Ubuntu at Startup



Dual Boot Install Windows after Linux 17
As you know, the most common, and probably the most recommended way of dual booting Ubuntu and Windows is to install Windows first and then Ubuntu. But what if you want to install Windows second? … on a computer with Ubuntu/Linux already installed. This guide assumes that you have Ubuntu […]

Install Windows after Ubuntu