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