RHEL: Display swap/RAM size

RHEL: Display swap/RAM size

# File containing information about system memory
   /proc/meminfo


# Display physical memory size

cat /proc/meminfo | grep MemTotal
   MemTotal:     11508864 kB


# Display swap size

cat /proc/meminfo | grep SwapTotal
   SwapTotal:    14352376 kB


free
                total       used       free     shared    buffers     cached
   Mem:      11508864    4983968    6524896          0     399096    3963080
   -/+ buffers/cache:     621792   10887072
   Swap:     14352376         56   14352320


free -m
                total       used       free     shared    buffers     cached
   Mem:         11239       4867       6371          0        389       3870
   -/+ buffers/cache:        607      10631
   Swap:        14015          0      14015



# Display partitions being used for swap

cat /proc/swaps
   Filename                                Type            Size    Used    Priority
   /dev/mapper/rvg-swaplv                  partition       14352376        56      -1


# Show shared memory limits
ipcs -lm
   ------ Shared Memory Limits --------
   max number of segments = 4096
   max seg size (kbytes) = 67108864
   max total shared memory (kbytes) = 17179869184
   min seg size (bytes) = 1
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