System Monitoring

System commands which can help you to check your system resources.

All utilities are operating in terminal mode:

nmon – utility with a GUI interface for monitoring CPU, memory, disk i / 0 and other attributes
hdparm-t-T / dev/sda1 – Disk Performance
stat-F / – number of occupied / free blocks / inodes
iostat-m-x sda June 2 – Consider downloading the specified drive (package sysstat)
vmstat-SM February 1950 – see the stats / consumption of resources
Free-m (column cache – Memory cache is occupied by FS)
cat / proc / meminfo – memory information
cat / proc / cpuinfo – information about the processor
cat / proc / interrupts – who generates more interrupts
cat / proc / net / dev – passed through the interface in bytes
cat / proc / sys / FS / file-max – max. allowable number of OPEN. files (sysctl-w fs.file-max = “16384”)
cat / proc / sys / fs / file-nr
nload – graphical traffic monitoring
bmon – graphical monitoring interface download
iftop – graphical monitoring interface download
tcptrack – graphical monitoring interface download
fdisk-L – Information about disks and partitions
top, 1 – load balancing across multiple cores
netstat-s # statistics for the network. For example, netstats | grep establish the current number of established connections
ethtool eth0 # information on the modes supported by a network card, current conditions and parameters
sensors – displays the CPU temperature (lm-sensors must be installed )
hddtemp / dev / sda – shows the temperature of the hard disk
acpi-V – displays temperature and additional information about the coolers, etc.