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How to free up buffers and cache on a Linux/Ubuntu system

How to free up buffers and cache on a Linux/Ubuntu system

  • Post author:amin nahdy
  • Post published:February 23, 2020

In this short article, we will see how to empty buffers and cache on a Linux/Ubuntu system. (more…)

Continue Reading How to free up buffers and cache on a Linux/Ubuntu system
How to check a package version before installation in Linux/Ubuntu

How to check a package version before installation in Linux/Ubuntu

  • Post author:ziad nahdy
  • Post published:February 18, 2020

Sometimes on Linux Ubuntu/Debian, we want to know in advance what version would we obtain before actually installing a specific package. Using simple tools like aptitude and apt-get makes this very easy to achieve. (more…)

Continue Reading How to check a package version before installation in Linux/Ubuntu
How to run a command in Linux every x seconds

How to run a command in Linux every x seconds

  • Post author:amin nahdy
  • Post published:February 3, 2020

Oftentimes you need to run a command every X seconds on Linux. Granted you can use cron but unfortunately, it does not handle time granularities of less than a minute. (more…)

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How to fix ‘E: Could not get lock /var/lib/dpkg/lock’ Error in Ubuntu

How to fix ‘E: Could not get lock /var/lib/dpkg/lock’ Error in Ubuntu

  • Post author:amin nahdy
  • Post published:January 28, 2020

Sometimes when users try to install an application by executing the usual apt command on Ubuntu, they get the following error: (more…)

Continue Reading How to fix ‘E: Could not get lock /var/lib/dpkg/lock’ Error in Ubuntu
How to Zip all files in a directory in Linux

How to Zip all files in a directory in Linux

  • Post author:ziad nahdy
  • Post published:January 7, 2020

To zip all files in a given directory on Linux with the zip tool, you can use * with the zip command. This will take care of files with and without extensions since extensions are not so special on (more…)

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How to save power on Linux Ubuntu/Debian using cpufreq

How to save power on Linux Ubuntu/Debian using cpufreq

  • Post author:amin nahdy
  • Post published:December 30, 2019

Computers nowadays are packed with powerful processors and graphics cards in order to cater for the demanding computations and big screens. This however has some consequences on the hardware: heat . (more…)

Continue Reading How to save power on Linux Ubuntu/Debian using cpufreq
How to Google search from Linux terminal – Build your own search engine

How to Google search from Linux terminal – Build your own search engine

  • Post author:amin nahdy
  • Post published:December 24, 2019

In this article we shall discuss how to Google search on Linux using a tool called Googler. Googler, a feature rich and Python based utility, allows users to query Google (Web and News) using the command line on Linux. (more…)

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How to fix “sub process usr/bin/dpkg returned an error code 1″ Error in Ubuntu

How to fix “sub process usr/bin/dpkg returned an error code 1″ Error in Ubuntu

  • Post author:amin nahdy
  • Post published:December 6, 2019

 Broken packages is a common problem in Ubuntu and other similar distros. Sometimes when you install a new application or update the system, you will encounter the error ‘Sub-process /usr/bin/dpkg returned an (more…)

Continue Reading How to fix “sub process usr/bin/dpkg returned an error code 1″ Error in Ubuntu
How to solve ” fsck error on boot: UNEXPECTED INCONSISTENCY; “

How to solve ” fsck error on boot: UNEXPECTED INCONSISTENCY; “

  • Post author:ziad nahdy
  • Post published:December 5, 2019

It could happen, as it did to me, that when you open your Virtual box and start your Ubuntu virtual machine, you get the error below : (more…)

Continue Reading How to solve ” fsck error on boot: UNEXPECTED INCONSISTENCY; “
How to bypass/ignore the gpg signature checks of apt on Ubuntu

How to bypass/ignore the gpg signature checks of apt on Ubuntu

  • Post author:amin nahdy
  • Post published:October 14, 2019

In some circumstances you may need to install packages without the need to check the public keys signatures. Here we outline one way to bypass all the signature related checks/ignore of all of the signature errors . (more…)

Continue Reading How to bypass/ignore the gpg signature checks of apt on Ubuntu
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