https://dev.to/kcdchennai/apt-update-vs-apt-upgrade-whats-the-difference-2ff8
Tag: linux
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Install def file in ubuntu
Use command below :
sudo dpkg -i PACKAGEFILE
reference :
https://askubuntu.com/questions/1407494/screen-share-not-working-in-ubuntu-22-04-in-all-platforms-zoom-teams-google-m
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Share screen in ubunut 22
You need to disable Wayland
refrence :
https://askubuntu.com/questions/1407494/screen-share-not-working-in-ubuntu-22-04-in-all-platforms-zoom-teams-google-m
lsof -i :8000
ss -aptfirst , purge main package name :
sudo apt-get purge mariadb-server then
sudo apt autoremovethen run this command to find all packages that may are related to the package which you want to purge :
sudo dpkg -l | grep mariadb after that purg services that are returned one by one
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Change server DNS
sudo vi /etc/resolv.confremove all content in this file and add below codes :
nameserver [ip]
nameserver [ip]Check 80 port on your server :
sudo netstat -tulpn | grep :80In my case I saw my 80 port have gotten by Nginx but I want to give it to Apache so I used this command :
sudo systemctl stop nginx
sudo systemctl start apache2.serviceand it worked perfectly
The article in the link below helps in this way.
Check it out.
https://maj0rmil4d.medium.com/how-to-run-our-own-smart-dns-to-bypass-geo-restrictions-beeeab4f82d7
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Linux Disk became readonly
it sometimes happens because you have multiple Operating systems, for example, i have windows and Linux on my machine so I got this problem:
after you tried to mount and unmount your disk you can use the command below as super admin:
sudo fsck -f /dev/sdxxsdxx is the name of your disk, you can get disk names by command below :
sudo mount