Author Archives: SoCRaT

About SoCRaT

Research Support and Infrastructure Engineer, OSS & Linux Geek

How to cut first x seconds of a video using ffmpeg

ffmpeg -i source_video.mp4 -t 50 -c copy output_video.mp4 This cuts the first 50 seconds of the video named source_video.mp4 and outputs them without any re-encoding to output_video.mp4 Source: Advertisements

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Benchmarking SanDisk Extreme PRO USB Drive

Just received a 128 GB SanDisk Extreme PRO USB 3.1 Solid State Flash Drive. I wanted to check whether its speed really matches what’s advertised of up to 420 MB/s for read and 380 MB/s for write. Benchmark Details Computer … Continue reading

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How to mount SSHFS from Ubuntu

A more secure alternative to NFS or SAMBA would be to use SSHFS. Besides encrypting the data stream, it has many benefits, among which: Firewall-friendly, since it uses standard SSH ports Supports PKI To mount an SSH filesystem from Ubuntu, … Continue reading

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Force uninstall Symantec Endpoint Protection from Windows without password

I figured out it would be much easier to just use the CleanWipe utility from here: Enjoy! Source:

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How to use the ip command to bring up/down the network interface on Linux

The ip command is replacing ifconfig, which is getting deprecated and some distros have already removed it. To bring a network interface down, simply run the following: sudo ip link set enp0s25 down To bring it back up: sudo ip … Continue reading

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How to globally change a Gnome/Unity schema setting for your desktop

Simply do the following: Edit the attribute you need to change in a specific schema inside /usr/share/glib-2.0/schemas/[your_schema_name], e.g. sudo vi /usr/share/glib-2.0/schemas/com.canonical.canonical.indicator.session.gschema.xml Change the value you need, in my case I wanted to disable the user-show-menu key, so I changed it from … Continue reading

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How to install Dell OMSA on Ubuntu 16.04

I use Dell OMSA to manage iDrac, and to be able to do that, I need to install it on my Ubuntu 16.04 laptop. The instructions on the Dell OpenManage page doesn’t specify the correct key servers, so please use … Continue reading

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