Show hardware interrupts

Per-CPU interrupt counts, updated every second

watch -n1 'cat /proc/interrupts | head -30'
tool
linux133 commands
tags
linuxhardwaremonitoring

More linux commands

  • Show process limits
    cat /proc/<pid>/limits

    Hard and soft resource limits for a running process

  • Increase system file descriptor limit
    ulimit -n 1048576 && echo '* soft nofile 1048576 * hard nofile 1048576' >> /etc/security/limits.conf

    Set high FD limit for current session and persist it

  • Show inode usage
    df -i

    Show inode usage per filesystem (important for many small files)

  • Find large files
    find / -type f -size +100M 2>/dev/null | sort

    Find files larger than 100MB on the entire filesystem

  • Show open file descriptors
    cat /proc/$(pgrep myapp)/fd | wc -l

    Count open file descriptors for a running process

all 133 linux commands