Common tools for Linux system monitoring

common tools for Linux system monitoring

I. System core Toolkit (COREUTILS)

1./BIN/DF report The disk space usage of the system df-h display the disk partition fdisk-l

2./bin/uname Display System Information UNAME-SRVMO

Two. System Process Toolkit (PROCPS)

1./bin/ps Display system process ps-ef PS aux

2./USR/BIN/PGREP Filtering Display System process

3./usr/bin/free display of system memory usage

4./usr/bin/vmstat Reporting statistics for virtual memory

5./usr/bin/tload display the system average load on the terminal

6./usr/bin/uptime Display System Run time

7./usr/bin/top Dynamic Display System process tasks

8./usr/bin/watch to perform the specified command in full-screen mode on a recurring basis

Three. Show the process Open File Toolkit (lsof)

1./usr/sbin/lsof See which files, directories, and sockets are open by a running process

Four. User-to-Process Statistics Toolkit (PSACCT)

Brief information on 1./USR/BIN/AC login account

2./usr/bin/lastcomm Show commands that have been executed

3./usr/sbin/accton Turn process account logging on or off

4./usr/sbin/dump-acct the contents of the output Pacct file

5./usr/sbin/dump-utmp the contents of the output utmp file

Summary of 6./USR/SBIN/SA process account record information

Five. System Status Toolkit

The 1./usr/bin/iostat is used to output statistics for the CPU, I/O system, and disk partitions. can be used to analyze disk I/O, bandwidth and other information

The 2./usr/bin/mpstat is used to output various statistical information about the CPU. can be used to analyze the operation of the program in the kernel state and the user state.

3./usr/bin/sar is used to collect various state information of the system, and then monitor the state of the system at various time points.

4./USR/BIN/SADF display binary data collected by SAR in multiple formats

Six. System PCI Device Toolkit (pciutils)

1./SBIN/LSPCI displaying PCI devices

2./SBIN/SETPCI Configuring PCI Devices

3./sbin/update-pciids download a new version of the PCI ID list

Seven. System USB Device Toolkit (subutils)

1./SBIN/LSUSB Display USB Device

Common tools for Linux system monitoring