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Linux

A collection of 5 posts

Upgrade Ubuntu LTS versions

Run the update command to refresh the repos: sudo apt update Pull any upgradeable packages: apt list --upgradable Install any outstanding updates: sudo apt upgrade -y Reboot server so its clean: sudo reboot Once the server is back up run the above again to catch any additional entries. Snapshot/backup

Alias commands in Ubuntu

To create alias commands you need to edit this file: sudo nano ~/.bash_aliases Enter a command in the style of: alias new_name='old_command' For example: alias install='sudo apt-get install'

Extend the LVM space

Resize partition: sudo cfdisk Select the physical volume and resize and write before you exit. Extend PV physical volume: sudo pvresize /dev/sda3 Find the logical volume (LV Path): sudo lvdisplay Extend logical volume: lvextend -l +100%FREE /dev/ubuntu-vg/ubuntu-lv Get the name your LVM path: (e.g. /dev/

Failed to fetch when using apt-update (404 not found)

If you have let slip your patching routine with Ubuntu you can find yourself in a position where you can't get any updates or upgrade to the next release. Backup your existing sources.list file: sudo cp /etc/apt/sources.list /etc/apt/sources.list.backup Update the

Network configuration from CLI

Find the interface you want using either command: netstat -i ifconfig Update the interface with your config (in this example eth0): sudo ifconfig eth0 10.1.1.6 netmask 255.255.255.0 Now set the default gateway using the following command (same interface as before): sudo route add default