Category Archives: Linux

Multi-hop SSH Connection

Posted on August 12, 2016 by Ahmed Tawfik

The case is as follows: You have a server, let’s name it “server2” that you need to SSH to, but unfortunately this server is not directly accessible, as you can SSH to it only through another server, let’s call it … Continue reading →

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The Fastest Way to Download a Website Offline

Posted on July 28, 2016 by Ahmed Tawfik

One Word & One Command: HTTrack, that’s the word To install it on Ubuntu: sudo apt install httrack Then, to run it: httrack http://www.xyz.com –max-rate=1000000000 –sockets=50 –disable-security-limits –display –max-rate is the download rate where 1000 = 1 KB/sec, so I am … Continue reading →

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How to mount a file created using dd command

Posted on March 17, 2016 by Ahmed Tawfik

I created an exact copy of a bootable USB drive using the dd command (which is an extremely cool tool by the way) using the following command: dd if=/dev/sdb of=myFile.img After that, to mount it, you can simply use the … Continue reading →

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How to reset your administrative user password in ubuntu

Posted on March 10, 2016 by Ahmed Tawfik

It’s useful in case you forget your password and unable to access your system. All you have to do is: startup your machine and select the kernel that you use at the grub menu press e to start editing Find … Continue reading →

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Monitor Linux CPU Frequency in RealTime

Posted on November 11, 2015 by Ahmed Tawfik

watch grep \”cpu MHz\” /proc/cpuinfo Source

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