## Solve zsh cursor positioned at the beginning in zsh history lookup using arrow key for Ubuntu

Zsh under Ubuntu has a strange behaviour. When you have typed some commands and use up arrow key to look back, the cursor is always at the beginning of the line. This can be solved very easily.
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## Enable Memcached on Remi based PHP install for WordPress

The php stack I am using for blogs and other hosted php websites is from Remi. I am on PHP version 5.6. The memcached plugin was enabled and I never checked its status. I only found out that the memcached is not enabled at all on my websites.

OK I figured this will be a simple task. It is. There are a few things that you need to be cautious about if you are using Remi as php base. The modules will not be loaded magically.
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## Install missing LaTeX styles and definitions

When I was compiling my $\LaTeX$ report, some files are missing:

An interesting installation of $\TeX$ relatex packages is, you can install the missing files by providing this command:
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