Linux server administration/Performance and Troubleshooting

• Performance tools:
  • • memory: vmstat, free, sar -r
  • Disk tools: iostat, iotop, hdparm, sar -d, ionice, hdparm and dd
  • Network: ntop, nmap, ping, fping, ncat, mtr, traceroute, tracepath
    • • Kernel: perf, strace, ftrace, Dtrace
  • cgroups and docker: systemd-cgtop, docker stats
• Troubleshooting tools: cfg2html, ansible-cmdb , sysreport, sosreport and acct

See also

• Benchmarking tools
• monitoring