Tag Archives: Ubuntu

Flush the DNS cache on Ubuntu 18.04

sudo systemd-resolve –flush-caches Source: https://askubuntu.com/questions/906476/how-can-i-flush-the-dns-on-ubuntu-17-04

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Create SSH profiles for your frequent connections on Ubuntu 18.04 using ssh_config

This is very useful if you connect to tons of servers via ssh and you need to keep record of them as profiles. Edit/Create a file .ssh/config Add entries in this manner: Host blabla User blablabla # or domain\blablabla if … Continue reading

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Add a custom resolution to your display using xrandr on Ubuntu 18.04

Just in case your monitor’s supported resolution is not properly detected or if you want a custom resolution to be used: In this example, we will try to add 1368×768, with a refresh rate of 60 Run cvt to get … Continue reading

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Force remove an entry from Ubuntu Online Accounts

I was trying to delete an entry in my online accounts (since I restored Ubuntu 18.04 files over 17.10), and it wasn’t getting deleted. The solution is to edit the following file: ~/.config/goa-1.0/accounts.conf Then simply remove the entry you wish … Continue reading

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Solve /boot getting 100% full issue on Ubuntu Servers

This is an issue affecting many Ubuntu servers. It basically happens when you enable automated security updates, multiple kernel packages get installed automatically, without removing the old ones, which gets /boot 100% full and the package manager is no longer … Continue reading

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How to change default terminal emulator in Ubuntu 18.04

Ctrl+Alt+t is the keyboard shortcut to open a terminal in Ubuntu. By default, it opens an ‘x-terminal-emulator’ terminal. I wanted to change that to use my favorite terminal emulator, which is ‘terminator’ To do that: gsettings set org.gnome.desktop.default-applications.terminal exec ‘terminator’ … Continue reading

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azure-cli installation on Ubuntu Bionic (18.04)

No deb packages have been released yet for Ubuntu 18.04, so you have to use the script MS provided here. However, you will face the following error immediately: ¬†fatal error: Python.h: No such file or directory To resolve this, simply … Continue reading

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