Lesson 1.17: Getting Information
Getting Information about RAM & SWAP
[sanjeeb@assignmentserver ~]$ free -h
total used free shared buff/cache available
Mem: 3.5Gi 1.1Gi 1.3Gi 25Mi 1.2Gi 2.4Gi
Swap: 2.0Gi 0B 2.0Gi
Getting Information about Disk Space
[sanjeeb@assignmentserver ~]$ df -h
Filesystem Size Used Avail Use% Mounted on
devtmpfs 4.0M 0 4.0M 0% /dev
tmpfs 1.8G 0 1.8G 0% /dev/shm
tmpfs 717M 9.3M 708M 2% /run
/dev/mapper/cs-root 17G 5.2G 12G 32% /
/dev/nvme0n2p1 960M 39M 922M 5% /ribik
/dev/nvme0n1p2 960M 481M 480M 51% /boot
/dev/nvme0n1p1 599M 7.0M 592M 2% /boot/efi
tmpfs 1.0M 0 1.0M 0% /run/stratisd/ns_mounts
tmpfs 359M 100K 359M 1% /run/user/1000
[sanjeeb@assignmentserver ~]$ lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINTS
sr0 11:0 1 1024M 0 rom
nvme0n1 259:0 0 20G 0 disk
├─nvme0n1p1 259:1 0 600M 0 part /boot/efi
├─nvme0n1p2 259:2 0 1G 0 part /boot
└─nvme0n1p3 259:3 0 18.4G 0 part
├─cs-root 253:0 0 16.4G 0 lvm /
└─cs-swap 253:1 0 2G 0 lvm [SWAP]
nvme0n2 259:4 0 5G 0 disk
├─nvme0n2p1 259:5 0 2G 0 part /ribik
└─nvme0n2p2 259:6 0 512M 0 part
nvme0n3 259:7 0 6G 0 disk
└─nvme0n3p1 259:8 0 511M 0 part
nvme0n4 259:9 0 5G 0 disk
nvme0n5 259:10 0 5G 0 disk
nvme0n6 259:11 0 2G 0 disk
Getting Information about CPU
[sanjeeb@assignmentserver ~]$ lscpu
Architecture: aarch64
CPU op-mode(s): 64-bit
Byte Order: Little Endian
CPU(s): 2
On-line CPU(s) list: 0,1
Vendor ID: Apple
Model: 0
Thread(s) per core: 1
Core(s) per socket: 2
Socket(s): 1
Stepping: 0x0
BogoMIPS: 48.00
Flags: fp asimd evtstrm aes pmull sha1 sha2 crc32 atomics fphp asimdhp
cpuid asimdrdm jscvt fcma lrcpc dcpop sha3 asimddp sha512 asimdf
hm dit uscat ilrcpc flagm ssbs sb dcpodp flagm2 frint
Caches (sum of all):
L1d: 256 KiB (2 instances)
L1i: 384 KiB (2 instances)
L2: 24 MiB (2 instances)
NUMA:
NUMA node(s): 1
NUMA node0 CPU(s): 0,1
Vulnerabilities:
Gather data sampling: Not affected
Itlb multihit: Not affected
L1tf: Not affected
Mds: Not affected
Meltdown: Not affected
Mmio stale data: Not affected
Retbleed: Not affected
Spec rstack overflow: Not affected
Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl
Spectre v1: Mitigation; __user pointer sanitization
Spectre v2: Not affected
Srbds: Not affected
Tsx async abort: Not affected