Computing

Computers and information management topics

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Category: Computing
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In the home page of the frontend site, add ?tp=1 to the URL to show the module positions on the page.

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Category: Computing
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Favorite monitoring applications and system tools.

bmon - bandwidth monitor and rate estimator. bmon provides a graphical display of transmit and receive volume on a console.

glances - a broad overview of system performance. glances provides CPU, process, IO and network performance indicators in a single console view.

htop - configurable summary of processor, memory and process performance on a console.

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Category: Computing
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I'm unclear how well any of this works, but for reference some ideas around wifi power control in Linux.

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Category: Computing
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A few useful classes to use in Joomla (at least in the Protostar template).

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Category: Computing
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First, create the file to be used. It should be a single block on the drive. This will create a file (swapfile) of size 100 MB as a large block.

dd if=/dev/zero of=/swapfile bs=1024 count=100000

Next, add the newly created file to the swap pool.

mkswap /swapfile

Finally, turn on the new swapfile.

swapon /swapfile

Now you have 100 more Mbytes of swap memory.

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Category: Computing
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Exchangeable Image File Format (EXIF) is the standard for metadata embedded in a picture file, particularly from smart phone cameras. A few selected tag definitions:

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Category: Computing
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Solution 1

cat /etc/issue

Solution 2

lsb_release -a or cat /etc/lsb-release