Check if reboot is required in Ubuntu.
at /var/run/reboot-required *** System restart required *** |
cloud engineer
Check if reboot is required in Ubuntu.
at /var/run/reboot-required *** System restart required *** |
at /var/run/reboot-required *** System restart required ***
Install Speedtest CLI.
sudo apt-get install gnupg1 apt-transport-https dirmngr export INSTALL_KEY=379CE192D401AB61 sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys $INSTALL_KEY echo "deb https://ookla.bintray.com/debian generic main" | sudo tee /etc/apt/sources.list.d/speedtest.list sudo apt-get update sudo apt-get install speedtest |
sudo apt-get install gnupg1 apt-transport-https dirmngr export INSTALL_KEY=379CE192D401AB61 sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys $INSTALL_KEY echo "deb https://ookla.bintray.com/debian generic main" | sudo tee /etc/apt/sources.list.d/speedtest.list sudo apt-get update sudo apt-get install speedtest
To run.
speedtest |
speedtest
Result.
$ speedtest Speedtest by Ookla Server: City of Columbus - Columbus, OH (id = 40410) ISP: Spectrum Latency: 9.39 ms (0.63 ms jitter) Download: 117.74 Mbps (data used: 60.3 MB) Upload: 11.81 Mbps (data used: 5.6 MB) Packet Loss: 0.0% Result URL: https://www.speedtest.net/result/c/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxxx (redacted) |
$ speedtest Speedtest by Ookla Server: City of Columbus - Columbus, OH (id = 40410) ISP: Spectrum Latency: 9.39 ms (0.63 ms jitter) Download: 117.74 Mbps (data used: 60.3 MB) Upload: 11.81 Mbps (data used: 5.6 MB) Packet Loss: 0.0% Result URL: https://www.speedtest.net/result/c/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxxx (redacted)
Here’s the installation instructions for OpenJDK 8.
For Fedora, Redhat and Oracle Linux.
yum install java-1.8.0-openjdk |
yum install java-1.8.0-openjdk
For Debian and Ubuntu.
apt-get install openjdk-8-jre |
apt-get install openjdk-8-jre
To see if the packages (symbolic links) are there, they can be found in /etc/alternatives/, at least in Redhat 7.
ls -l /etc/alternatives/ |
ls -l /etc/alternatives/
Snap is cool, but not for everyone. To remove, follow these steps.
# get list snap list # remove snaps. repeat for each app. snap remove chromium # remove snapd apt purge snapd # remove snap from home rm -rf ~/snap # clean up cache rm -rf /var/cache/snapd apt purge snapd |
# get list snap list # remove snaps. repeat for each app. snap remove chromium # remove snapd apt purge snapd # remove snap from home rm -rf ~/snap # clean up cache rm -rf /var/cache/snapd apt purge snapd
Here are steps I took to upgrade from PHP 7.0 to 7.4 on Ubuntu 18.04 LTS.
Login as root, otherwise use sudo for all commands.
# use 3rd party ppa repo add-apt-repository ppa:ondrej/php apt -y update apt -y upgrade # install php-core apt install php7.4 php7.4-common php7.4-cli # add all the php extenstions your app needs apt install php7.4-curl php7.4-json php7.4-gd php7.4-mbstring apt install php7.4-intl php7.4-bcmath php7.4-bz2 php7.4-xml apt install php7.4-readline php7.4-zip php7.4-mysql # I'm using apache prefork MPM, so install it apt install libapache2-mod-php7.4 a2enmod php7.4 # check version. Success! php -v # for good measure, reboot apache systemctl restart apache2.service # Finally, purge the old PHP versions apt purge php7.0 libapache2-mod-php7.0 |
# use 3rd party ppa repo add-apt-repository ppa:ondrej/php apt -y update apt -y upgrade # install php-core apt install php7.4 php7.4-common php7.4-cli # add all the php extenstions your app needs apt install php7.4-curl php7.4-json php7.4-gd php7.4-mbstring apt install php7.4-intl php7.4-bcmath php7.4-bz2 php7.4-xml apt install php7.4-readline php7.4-zip php7.4-mysql # I'm using apache prefork MPM, so install it apt install libapache2-mod-php7.4 a2enmod php7.4 # check version. Success! php -v # for good measure, reboot apache systemctl restart apache2.service # Finally, purge the old PHP versions apt purge php7.0 libapache2-mod-php7.0
Finally, run update on more time to get all the latest updates.
apt -y update apt -y upgrade apt -y autoremove apt-get --with-new-pkgs upgrade |
apt -y update apt -y upgrade apt -y autoremove apt-get --with-new-pkgs upgrade