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Linux Mastering Development Ubuntu

E: Package ‘git’ has no installation candidate, how to resolve?

I am facing below issue while installation time of git sudo apt-get install git Reading package lists… Done Building dependency tree Reading state information… Done Package git is not available, but is referred to by another package. This may mean that the package is missing, has been obsoleted, or is only available from another source […]

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Mastering Development System & Network

Debian Strecth can’t find package

I am using a debian stretch based docker image. I want to install this package: https://packages.debian.org/buster/php-memcache But when I try it says package not found: # apt install php-memcache Reading package lists… Done Building dependency tree Reading state information… Done Package php-memcache is not available, but is referred to by another package. This may mean […]

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Linux Mastering Development

Trying to setup website hosting on a VPS Debian 10

I cant seem to start the process of installing ufw nginx or anything. Everytime I run it it says Package ufw is not available, but is referred to by another package or command not found etc I am not logged in as root@ip but I assume if i bought the service that they would grant […]

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User Help

canot install tor service in kali

Package tor is not available, but is referred to by another package. This may mean that the package is missing, has been obsoleted, or is only available from another source E: Package ‘tor’ has no installation candidate

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Linux Mastering Development Ubuntu

Error loading rstudio

Error: error while loading shared libraries: libssl.so.1.0.0: cannot open shared object file: No such file or directory Tried: $ sudo apt-get install libssl1.0.0 libssl-dev Reading package lists… Done Building dependency tree Reading state information… Done Package libssl1.0.0 is not available, but is referred to by another package. This may mean that the package is missing, […]

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Linux Mastering Development

trying to install mysql 5.7 in a docker image in ubuntu machine

When trying to install mysql 5.7 in docker container, I am getting the following error. I am new to docker and containers. Step 16/23 : RUN apt-get install mysql-server-5.7 —> Running in 9624e9df68e7 Reading package lists… Building dependency tree… Reading state information… Package mysql-server-5.7 is not available, but is referred to by another package. This […]

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Linux Mastering Development

trying to install mysql 5.7 in a docker image in ubuntu machine

when trying to install mysql 5.7 in docker container, I am getting the following error, I am new to dockers and containers can someone pls guide me Step 16/23 : RUN apt-get install mysql-server-5.7 —> Running in 9624e9df68e7 Reading package lists… Building dependency tree… Reading state information… Package mysql-server-5.7 is not available, but is referred […]

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Linux Mastering Development

CAN YOU HELP ME PLEASE!

WHAT THE PROBLEM?? root@kali:~# sudo apt-get install software-center Reading package lists… Done Building dependency tree Reading state information… Done Package software-center is not available, but is referred to by another package. This may mean that the package is missing, has been obsoleted, or is only available from another source E: Package ‘software-center’ has no installation […]

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Linux Mastering Development Ubuntu

I installed Ubuntu 18.04.3 LTS on my laptop. I am unable to connect to the Internet by wifi or cable

But after installation I am unable to connect to my modem by ether cable or wifi. I have tried to search for information about this but unable to find anything. I am very new to this and not sure what to do. I have tried ip a but it does not give me a ipv4 […]

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Linux Mastering Development Ubuntu

Ubuntu 20.04: libssl.so.1.0.0: cannot open shared object file: No such file or directory

I have upgraded from Ubuntu 18.04 to 20.04. One application does not run any more with the error: error while loading shared libraries: libssl.so.1.0.0: cannot open shared object file: No such file or directory I have searched this forum and followed the advice and tried: sudo apt-get install libssl1.0.0:amd64. I get: Package libssl1.0.0 is not […]