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