Month: April 2013
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Ubuntu: How to delete a user
In Ubuntu 12.04 and 12.10, to delete an additional user you have created, use the following: sudo deluser [username] By example, if we wanted to delete a user we created called “test”, we would run: sudo deluser test Which gives: Removing user `test’ … Warning: group `test’ has no…
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Ubuntu: How to add a existing user to an existing group
To add an existing user to a second group, use the following command: sudo usermod -a -G [group] [user] e.g.: sudo usermod -a -G geeks bob This will add the user bob to the group geeks.
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New: RSS feed!
We have added an RSS feed for our articles – you can now get our new posts in your email or RSS feed app! On the right-hand side under the tag cloud you can enter your email, or enter the following url into your RSS reader: https://sotechdesign.com.au/feed/ Enjoy!
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Ubuntu Server: How to change to the root user
Some guides tell you to enter “su” on Unix systems to get superuser permissions; in Ubuntu, however, this won’t work. As a user with sudo permissions (the user created on install has these) enter the following instead: sudo su Enter your account password and voila, you are logged in as root. You…
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Traceroute easter egg
Here’s another oldie but a goodie: tracert -h 66 216.81.59.173 The above is for Windows command line – the “h” flag is to see all 66 hops necessary to get the full effect! Enjoy 😉
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Ubuntu Server Benchmarks: Geekbench
This is one of our favourite benchmarks for Ubuntu Server – it’s cross-platform, meaning that it can be ran on Windows, Mac OS X, Ubuntu Desktop, Ubuntu Server and more. You can get the download link from the following site: http://www.primatelabs.com/geekbench/download/linux/ Currently this works: wget http://d34wv75roto0rl.cloudfront.net/Geekbench-2.4.2-Linux.tar.gz Unzip: gunzip Geekbench-2.4.2-Linux.tar.gz…
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Ubuntu Server Benchmarks: Phoronix Test Suite
The Phoronix Test Suite is another option when it comes to benchmarking your Ubuntu Server – this one doesn’t work out-of-the-box and requires you to choose the types of benchmarks you wish to run and install them either individually or as suites of benchmarks. You can download it at the following link currently: …
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Ubuntu Server Benchmarks: Hardinfo
Hardinfo is one of the command-line benchmarks available for Ubuntu Server – it does have graphical features so it will also be useful for Ubuntu Desktop users, but for the purpose of this piece we will assume you’re at a terminal. It not only runs benchmarks like Blowfish but also shows you a great…
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Intel Gigabit CT Desktop Network Adapter Review
Intel’s network cards are popular due to their speed and reliability, which is often greater than the onboard chips in devices/motherboards. The Intel Gigabit CT Desktop Network Adapter is a PCI-E x1 add-in card with a single gigabit port, usually selling for around $30AU. It is low-profile and should come with a low-profile…
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MySQL: How to log in
If you’re unfamiliar with MySQL you may be following a guide which instructs you to log in as root without actually telling you how; use the following: mysql -u root -p This logs you in as the root user (-u signifying which user you want to log in as) and -p signifies…