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A pop-up terminal is great and handy on Linux and similar OS. On KDE, Yakuake is great. On Gnome or GTK, I ever tried Guake. It is quite good. However, it has not been as mature, stable and figure-rich as gnome-terminal. One day, I got this idea: why not using [...]
Wed, Oct 22, 2014, Continue reading at the source
There was a post about installing WhatsApp on iPod Touch. However, the tech used is obsoleted. As many readers still reach here for some tips, I give two links to two posts that seem promising. But I never tested them as I do not have a new iPod touch any [...]
Thu, Oct 09, 2014, Continue reading at the source
If your website uses a self-signed certificates, Chrome will show a warning every time and you need clicks to continue. In this post, I will introduce how to make Chrome accept self-signed certificates for sites on Linux. This post is made short on purpose and you need to search the [...]
Wed, Oct 08, 2014, Continue reading at the source
My best favorite disk partition table manipulation tools are cfdisk/fdisk on Linux. However, for large disks, cfdisk/fdisk will just give up with a message suggesting GPT partition table format and using GNU parted like WARNING: The size of this disk is 6.0 TB (6001042391040 bytes). DOS partition table format can [...]
Sun, Oct 05, 2014, Continue reading at the source
iPhone is nice to take videos. However, one headache is the video may be rotated by 90 degree if you play it with non-Apple software such as MPlayer on Linux or Windows. This tutorial will introduce how to rotate the video taken from iPhone or other sources on Linux by [...]
Sat, Sep 27, 2014, Continue reading at the source
MPlayer is a great movie player. SSH is a great tool to connect and transfer data over the network securely. Combining these 2 great tools together will be greater. You may already has a small server storing some movies or videos or music and playing them on your laptop will [...]
Thu, Sep 25, 2014, Continue reading at the source
The Linux kernel has a generic driver for a graphic framebuffer named vesafb on intel boxes. It provides a nice large console for most of modern displays. Setting VESA modes for Linux kernel with 32-bit and 16-bit boot protocol are different. We introduce both methods here. Linux kernel with 32-bit [...]
Thu, Sep 25, 2014, Continue reading at the source
The posix_spawn() and posix_spawnp() functions create a new child process from the specified process image constructed from a regular executable file. It can be used to replace the relative complex “fork-exec-wait” methods with fork() and exec(). However, compared to fork() and exec(), posix_spawn() is less introduced if you search on [...]
Tue, Sep 23, 2014, Continue reading at the source
LVM is a great tool to manage hard disks on Linux—you can abstract the hard drives away and manage logical volumes from volume groups, you can dynamically add or remove hard drives while the file systems on the logical volumes need not to backed up and recovered, and you may [...]
Fri, Aug 15, 2014, Continue reading at the source
Ctrl keys are important and possibly most frequently used in Emacs. However, it is painful on today's common PC keyboards since Ctrl keys are usually in the corner of the keyboard main area. Why the key mappings in Emacs are designed like this? After it was designed, Emacs was commonly [...]
Wed, Jul 30, 2014, Continue reading at the source


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