My website takes users to a spam website on first click, subsequent clicks go to original site as intended [closed]

When I share my website through facebook app or messenger app, the same situation occurs. They are redirected to a URl that I have nothing to do with. Upon closer inspection the URL when hovering over looks completely normal and without any hint of malware or spam The screenshot is what I saw the first…

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Lost Ubuntu and ended up with Lubuntu can not use sudo apt get

I was trying probelm in upgrading the kernel and wacom CTL-472 installation on Ubuntu 18.04.3 LTS (build failure issue) I followed procedure mentioned somewhere and ended up loosing Ubuntu version. Everything changed. Login page now looks as in the attached image. Almost everything got uninstalled, for example, Chrome, Kile, Texstudio, adobe reader. I realised it…

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How to make sudo ask for password each time specific commands are run?

I run ubuntu 16.04 / 18.04 I want to make sure that the users do not accidentally poweroff or reboot remote machines, yet I need to give them the ability to poweroff/reboot after their password is typed in So, I have some lines in our sudoers like: Defaults env_reset,timestamp_timeout=10 odev1 ALL=(ALL) NOPASSWD: /usr/bin/apt-get,/bin/mount,/usr/bin/minicom odev1 ALL=(ALL)…

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