Description: Welcome to the RootConsole.net - the site where you can find among others, tips, advices and useful articles about Linux servers and shell programming.
servers (24688) it (18659) linux (7737) network (6899) hardware (6848) storage (5031) dns (1437) unix (1009) postfix (645) bash (212)
Sometimes, especially during work in lab environments we need to stop all our instances ie. to avoid additional charges from cloud operator. Openstack offers a convenient way to do it – shelving . When you shelve an instance all machine’s volumes are saved but VM instance does not utilizing compute host resources. This state persists until you unshelve a specified machine. Openstack does not offer option to shelve/unshelve of all your instances at once, you need to do it on every machine separately. This si
I’m guessing that every Linux admin saw this alarming message: “No space left on device”. First thing you are doing is check disk usage of course:
# df -h Filesystem Size Used Avail Use% Mounted on /dev/mapper/vg-lv_root 18G 13G 3.4G 80% / What is going on? There is a lot of free space! Continue Reading