Check SMART disk health

More linux commands

• Benchmark sequential disk IO
  dd if=/dev/zero of=/tmp/testfile bs=1M count=1024 conv=fdatasynccopy

  Write 1GB with forced sync to measure raw write speed

• Show running containers namespaces
  lsns -t net,pid,mntcopy

  List Linux namespaces for network, PID, and mount isolation

• Inspect cgroup hierarchy
  systemd-cglscopy

  Tree view of systemd cgroup hierarchy and resource assignments

• Count lines in all logs
  find /var/log -name '*.log' -exec wc -l {} + | sort -rn | head -20copy

  Find the biggest log files by line count

• Follow multiple log files
  tail -f /var/log/syslog /var/log/auth.logcopy

  Stream multiple log files interleaved in one terminal

all 133 linux commands →