Run command in background

Run a script immune to SIGHUP; redirect output to file

nohup ./script.sh > /tmp/out.log 2>&1 &
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linux133 commands
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linux

More linux commands

  • Create SSH tunnel
    ssh -L 8080:internal-service:80 user@bastion -N -f

    Forward local port 8080 to an internal host via bastion

  • Extract tar.gz
    tar -xzf archive.tar.gz -C /target/dir/

    Extract a gzipped tar archive to a specific directory

  • Generate random password
    openssl rand -base64 32

    Cryptographically secure random 32-byte password

  • Check certificate details
    openssl s_client -connect example.com:443 </dev/null 2>/dev/null | openssl x509 -noout -dates -subject

    Show cert expiry and subject for a live TLS endpoint

  • Awk — sum a column
    awk '{sum += $3} END {print sum}' file.txt

    Sum the 3rd column of a space-delimited text file

all 133 linux commands