I have basic unix skills and have to do some maintenance on a linux machine (Ubuntu 18.04). hosted on Azure. I need to resize the /dev/sda1 partition, giving more space to it.
When I run df -h it outputs:
Filesystem Size Used Avail Use% Mounted on
udev 3.9G 0 3.9G 0% /dev
tmpfs 796M 896K 795M 1% /run
/dev/sda1 29G 24G 5.8G 81% /
tmpfs 3.9G 8.0K 3.9G 1% /dev/shm
tmpfs 5.0M 0 5.0M 0% /run/lock
tmpfs 3.9G 0 3.9G 0% /sys/fs/cgroup
/dev/sda15 105M 3.4M 102M 4% /boot/efi
/dev/sdc1 118G 14G 99G 12% /opt/apps
/dev/sdb1 16G 45M 15G 1% /mnt
tmpfs 796M 0 796M 0% /run/user/1000
Which is the proper/better way to increase /dev/sda1, using space from /dev/sdc1 (or sdb1)?