Swiss knife for iPhone

Only lazybones know nothing about Cydia today. Such words as jailbreak, tweak and unofficial app store have long ago come into general use of every more or less competent user of an i-device. On the other hand, it would be a blasphemy not to tell about Cydia, so we decided to take a different way collecting entire info about novelties, utilities and other interesting things found in the expanses of this app store.

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Practical Experience in “Combat” Use of OpenStack

OpenStack is a very fashionable word in today’s IT media space. Virtually everyone heard about it, but not so many have seen it in action. Moreover, only a few dared to taste it in a “serious way”. In our company, we took this risk and, today, I’ll tell you what happened to us and why the fashion often runs ahead of prudence and stability.

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Manipulating clouds

If I started the article with describing all the advantages of cloud storage of data, you would think that I had been just thawed after twenty years of anabiosis, or that I use overdoses of hypnotics :). Therefore, I will put it briefly, in a programmer-like fashion: when I was faced with the task of making a program that could operate without being bound to the API of a particular service, enabling work with files located in a number of storage spaces (its purpose was backup), it turned out that it was not that simple. I decided to tell you about all the intricacies and pitfalls of that work in this article.

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Squeezing the Most Out of Pebble

Often, you find yourself in a situation when it is not convenient to use your smartphone or get it out of pocket, such as when it rains, while driving a car, at a meeting… Or you may simple feel a bit lazy to get up from a warm couch to see what has arrived to your phone. In this article, I’ll show you how to configure the notifications, customize and use the full power of Pebble, one of the most popular smart watches.

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Reach the root! How to gain privileges in Linux?

As you can remember ( and as a must to remember for each good administrator) it is not a good idea to work as a root user on Linux. In a perfect world you should use it only to configure a server, to install or to update software, by and large, only for purely administrative purposes. The problem is that we live in the real world that is, actually, quite far away from a perfect one. So, the situation is quite common and, generally, because of negligence, wherefore, the Linux users had no choice but to figure out how does their software works. However, if you know how does the system work and understand its safety mechanisms then you will never work as a root user. Anyway, today we are going to review the ways of raising authorities up from the unprivileged user to a root one, unlike the situation with Windows where we were considering the ways of running with administrative privileges. So, let’s start.

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Let’s get rid of default settings!


Let’s start with the configuration of the Indian who gained recognition on many servers on the web. The first setting we select is the one that prevents an attacker from recognizing the version of Apache. To do this, you can use two directives that have to be set to the following values:

ServerSignature Off
ServerTokens Prod

Separate user and group

The second step is to make sure that Apache runs under its own separate user and group. If the same user also manages something else, e.g. DBMS, an attacker who manages to compromise the web server can have access to the database as well.

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