Check systemd timers

All timers with last/next trigger times

systemctl list-timers --all --no-pager
tool
linux133 commands
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linux

More linux commands

  • Copy SSH public key
    ssh-copy-id -i ~/.ssh/id_ed25519.pub user@host

    Append public key to remote authorized_keys

  • Rsync with progress
    rsync -avz --progress --delete src/ user@host:/dest/

    Mirror directory to remote with deletion of extra files

  • Securely wipe a disk
    shred -vzn 1 /dev/sdb

    One-pass overwrite with zeros + verify (use hdparm ATA for NVMe)

  • Check SMART disk health
    smartctl -a /dev/sda | grep -E 'SMART overall|Reallocated|Pending|Uncorrectable'

    SMART overall health and key failure indicators

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

    Write 1GB with forced sync to measure raw write speed

all 133 linux commands