Filesystem                            Size  Used Avail Use% Mounted on
devtmpfs                              4.0M     0  4.0M   0% /dev
tmpfs                                 3.8G     0  3.8G   0% /dev/shm
tmpfs                                 1.6G   11M  1.5G   1% /run
/dev/mapper/cs_kvm--04--guest30-root   45G  2.3G   43G   6% /
/dev/vda1                            1014M  217M  798M  22% /boot
tmpfs                                 769M  4.0K  769M   1% /run/user/0