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Author Archives: Ahmed Tawfik
How to mount a file created using dd command
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
How to reset your administrative user password in ubuntu
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
How to rebuild the cache for ownCloud
This can be done using the ownCloud Console (occ). All you need is to go where the web app is, which is usually /var/www/owncloud and then run: sudo -u www-data php occ files:scan –all This will rebuild the whole files … Continue reading
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Monitor Linux CPU Frequency in RealTime
watch grep \”cpu MHz\” /proc/cpuinfo Source
How to change the Linux prompt
Sometimes the Linux prompt doesn’t look really attractive and/or practical, like for example bash:/ or sh:/ which is really annoying. To solve this, you need to use the PS1 environment variable and append to it what you need: Go to … Continue reading
