ubuntu_notes
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ubuntu_notes [2019/01/27 10:58] – juckins | ubuntu_notes [2021/02/21 11:05] – juckins | ||
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- | ==== Ubuntu Notes ==== | + | ==== VirtualBox running |
- | [[http:// | + | |
+ | __20 Jul 2020__ | ||
+ | |||
+ | Updated VirtualBox to 6.1.12 and Ubuntu 18 would not login after MATE authentication screen (just got black screen). | ||
+ | |||
+ | If restarting makes the screen go black again, use CTRL-F in VirtualBox 2 times, and that restores it. | ||
+ | |||
+ | __Other Notes__ | ||
+ | |||
+ | [[https:// | ||
+ | |||
+ | [[https:// | ||
+ | |||
+ | [[http:// | ||
[[https:// | [[https:// | ||
+ | |||
+ | [[https:// | ||
Release info: | Release info: | ||
Line 8: | Line 23: | ||
lsb_release -a | lsb_release -a | ||
</ | </ | ||
+ | |||
+ | View installed kernels: | ||
+ | < | ||
+ | # dpkg --list | grep linux-image | ||
+ | </ | ||
+ | |||
+ | Remove old kernels: | ||
+ | |||
+ | * https:// | ||
+ | * # linux-purge -s | ||
+ | * # linux-purge | ||
+ | * # linux-purge -m | ||
+ | * https:// | ||
+ | |||
+ | [[https:// | ||
+ | |||
+ | View installed packages: | ||
+ | < | ||
+ | # apt list --installed | ||
+ | # dpkg --get-selections | grep -v deinstall |grep unifi | ||
+ | </ | ||
+ | |||
+ | Remove installed package: | ||
+ | < | ||
+ | # dpkg -r package_name | ||
+ | </ | ||
+ | |||
---- | ---- | ||
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* Allow Virtualbox guest additions: | * Allow Virtualbox guest additions: | ||
< | < | ||
- | sudo apt-get update | + | sudo apt update |
- | sudo apt-get install build-essential gcc make perl | + | sudo apt install build-essential gcc make perl |
- | sudo apt-get install vim | + | sudo apt install vim |
sudo apt install gnome-software | sudo apt install gnome-software | ||
- | sudo apt-get install openssh-server | + | sudo apt install openssh-server |
reboot | reboot | ||
</ | </ | ||
- | * [[https:// | + | * [[https:// |
+ | * [[https:// | ||
* [[Install UniFi on Ubuntu|Install UniFi on Ubuntu]] | * [[Install UniFi on Ubuntu|Install UniFi on Ubuntu]] | ||
+ | |||
+ | __12 Sep 2019__ | ||
+ | |||
+ | [[https:// | ||
__26 Jan 2019__ | __26 Jan 2019__ | ||
Line 37: | Line 84: | ||
sudo apt update | sudo apt update | ||
sudo apt upgrade | sudo apt upgrade | ||
+ | sudo apt --with-new-pkgs upgrade | ||
</ | </ | ||
- | Very slow using Ubuntu GUI now - check [[https:// | + | Very slow using Ubuntu GUI now: |
+ | * Enable 3D acceleration in VirtualBox settings | ||
+ | * Allocate 128MB video RAM | ||
+ | * Restart and test | ||
+ | * Also see these links: | ||
+ | * [[https:// | ||
+ | * [[https:// | ||
+ | |||
+ | Check that 3D acceleration is supported: | ||
+ | |||
+ | sudo apt install nux-tools | ||
+ | / | ||
Installing mysql: | Installing mysql: | ||
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SET PASSWORD FOR ' | SET PASSWORD FOR ' | ||
| | ||
+ | To allow logins to mysql via adminer: | ||
+ | |||
+ | https:// | ||
+ | |||
+ | # su - | ||
+ | # mysql -u root -p | ||
+ | > ALTER USER ' | ||
+ | # systemctl restart mysql | ||
+ | # systemctl restart apache2.service | ||
| | ||
+ | To upgrade MySQL v5.7 to 8.x follow [[https:// | ||
+ | |||
To fix this locale error upon login: | To fix this locale error upon login: | ||
Line 77: | Line 148: | ||
locale -a | locale -a | ||
| | ||
- | and confirm you see en_US now | + | and confirm you see en_US now. See [[https:// |
---- | ---- |
ubuntu_notes.txt · Last modified: 2021/02/21 11:09 by juckins