Linux
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Supercomputer built with Raspberry Pi and Lego – Computer Chips & Hardware Technology
There’s just something about the Raspberry Pi that inspires the most wonderful kinds of geekery. We’ve seen the tiny, inexpensive, open Linux PC used in all sorts of projects, but this Raspberry Pi supercomputer is one of the best. Why is it the best?
6 Command Line Tools for Linux Performance Monitoring
So you need to monitor a Linux system for performance metrics... CPU, Memory, Network, Disk, etc. Here are 6 of my favorite command line tools for monitoring a Linux system from the command line. htop
It takes years maybe decades to master the commands available to you at the Linux shell prompt. Here are 10 that you will have never heard of or used. They are in no particular order.
10 Linux commands you’ve never used
Welcome to The Core Project - Tiny Core Linux The Core Project is a highly modular based system with community build extensions. It starts with a 3.x Linux kernel, vmlinuz 3.0, and a 5MB core.gz. MicroCore 8MB is simply the kernel + core.gz - this is the foundation for user created desktops, servers, or appliances. TinyCore is simply the kernel + core.gz + Xvesa.tcz|Xorg.tcz + Xprogs +fltk-1.10.tcz + (user's choice of Window Manager) + wbar.tcz TinyCore becomes simply an example of what the Core Project can produce, an 12MB FLTK/FLWM desktop.
Tiny Core Linux, Micro Core Linux, 10MB Linux GUI Desktop, Live, Frugal, Extendable
How to write a Linux shell scripts that backup previous month data files on monthly basis? Of course, it involves date time calculation! Unless you’re using GNU Coreutils / GNU date, doing date arithmetic in shell scripts will not be that straight-forward as a novice think! I just can’t recall that SCO Unix and Concurrent Real Time Unix (RTU) have GNU date installed, when I was exposed to Unix for the first time in year 2000. But, I believe that GNU Coreutils is a standard package that available on most Linux distributions as of today.
Date Arithmetic In Linux Shell Scripts
While this feature can be very useful in many scenarios, it must be noted that saving the password in the configuration file makes it possible for any user to have access to the physical computer to steal the password and get access to the NX server with the user's credentials. For this reason the option is turned off by default. When saving the session's password in the configuration file, nxclient stores it in a scrambled format.
NX - Support: Article
Give the Gift of a Custom Linux Distro | Wireless IP Security Cameras | Cam.ly Blog
For all of you hackers and geeks who need a last-minute christmas present, we have just the thing for you. It’s a homemade gift, which shows that you care, but you don’t need to be crafty in the traditional sense. Total cost of materials is around 10 cents, or free if you happen to have some blank CD-R’s laying around. Yes, in case you haven’t guessed by the title, we’re talking about giving away a custom linux distro.
What If All the World Ran Linux?
There's a cartoon that made the rounds in the Linux community a few years back that I often think of at this time of year. In essence, it depicts a Linux aficionado refusing to help convince someone to switch to Linux, explaining, "If everyone's using it, I'm not cool anymore." It's a joke, of course, made funny by the fact there may just be the tiniest hint of truth underlying it, at least among some people. The reason I think of it at year's end, though, is that mainstream adoption of Linux is generally considered a goal by many in the free software community, and it's an oft-cited hope for every new year.
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Top 25 Best Linux Commands
As a Linux user you’ll come to learn and love certain commands. Remembering these commands is the toughest part. Some people use cheat-sheets some create scripts, and some just refer to website for their fix. Here I have posted the 25 top command line snippets. 25) sshfs name@server:/path/to/folder /path/to/mount/point Mount folder/filesystem through SSH Install SSHFS from http://fuse.sourceforge.net/sshfs.html Will allow you to mount a folder security over a network. 24) !!Grub
Shape your traffic with trickle
Any user on the system can run Trickle without needing administrative privileges. The software can handle only TCP stream connections, so it cannot shape traffic for network services that uses UDP stream connections, such as DNS (Bind) and TFTP. Actually, it cannot work with all network services that use TCP streams; because trickle uses the dynamic linker and loader, it can handle only network services that uses dynamic libraries (glibc) and not any programs that are statically linked. You can check whether a network service or command uses dynamic libraries with help of the ldd command, which prints shared library dependencies, so that you can see exactly what libraries are used with the specific command. For example to check whether FTP uses dynamic libraries:Ubuntu
Rosetta Stone for Unix - Shiretoko
Footnotes 1. In System V-based Unixes, run level relates to booting, shutdown, and single-user mode. In BSD, it has to do with security. 2.Xen