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Question: I just typed a really long complicated command line string on my server, but I forgot to type “sudo” at the beginning. Is there a quick way to enter it again? Answer: The history feature in Linux and Unix-like operating systems is truly a beautiful thing. With it, you can easily re-enter commands. But [...]
It is important to always keep a watchful eye on your dedicated server. Monitoring tools may be external, available through service providers, or internal, already included in your Linux distribution. One important internal monitoring tool is netstat. Netstat can provide you with useful information about the ports that system services are using. For example, to [...]
Question: How do I create an entire path of directories? Answer: On a desktop computer, anytime you want to create a folder, you have to go through a series of clicks, type in the name, and press Enter. If you want to create a series of nested folders, you have to go through that process [...]
If you ever decide to run an audio or video streaming server, it might be a good idea to learn about transcode. Essentially, transcode refers to the process of converting one multimedia file format to another. For example, you might convert a .wav audio file to an Mp3 file, or convert an Mpeg2 file to [...]
Sometimes when I am working on a project and come across a new powerful Linux command, I need to test it. With a live dedicated server, that can be a recipe for disaster. Rather than taking such a risk with your websites and possibly the websites of customers (if you also host sites), I recommend [...]
Tehtri Security research Laurent Oudot has determined that most people who attack servers get their hacking software from freely available malware kits on the Web, rather than creating their own custom scripts. These kits often contain poorly written code that can itself be exploited. What does all of that mean to you? Oudot says it [...]
Question: I have heard that enabling root login in SSH can be a security risk. Is that true, and if so, how do I disable it? Answer: The truth is that having root logins enabled is not in itself a security risk. The real risk comes from having an easily hacked root password or non-secure [...]
There are two ways to schedule a task on a Windows server: graphical (from the system tools menu) or from the command line. Graphical 1. If you have direct access to the system tools menu, click the “start” button and then go to Programs > Accessories > System Tools > Scheduled Tasks. 2. Click “Add [...]
With a remote dedicated server, sometimes being able to access it from the command line can be your greatest asset. Like Linux and other Unix-like operating systems, Windows servers also have command line programs that can make managing your server from afar a lot easier. Attrib – Allows you to display and modify file attributes [...]
Services are memory resident programs that normally run constantly, as long as your server is on. Programs like your web server, database server, DNS system, and others are all services that start at boot time and continuing running at all times. Whenever you change configuration for a service or need to reinitialize it, you should [...]
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