install ruc link sangam@sangam:~$ sudo apt-get -y install runc Reading package lists... Done Building dependency tree... Done Reading state information... Done runc is already the newest version (1.1.7-0ubuntu1~22.04.2). 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. sangam@sangam:~$ runc NAME: runc - Open Container Initiative runtime runc is a command line client for running applications packaged according to the Open Container Initiative (OCI) format and is a compliant implementation of the Open Container Initiative specification. runc integrates well with existing process supervisors to provide a production container runtime environment for applications. It can be used with your existing process monitoring tools and the container will be spawned as a direct child of the process supervisor. Containers are configured using bundles. A bundle for a container is a directory that includes a specification file named "config.json" and a root filesystem. The root filesystem contains the contents of the container. To start a new instance of a container: # runc run [ -b bundle ] Where "" is your name for the instance of the container that you are starting. The name you provide for the container instance must be unique on your host. Providing the bundle directory using "-b" is optional. The default value for "bundle" is the current directory. USAGE: runc [global options] command [command options] [arguments...] VERSION: 1.1.7-0ubuntu1~22.04.2 spec: 1.0.2-dev go: go1.18.1 libseccomp: 2.5.3 COMMANDS: checkpoint checkpoint a running container create create a container delete delete any resources held by the container often used with detached container events display container events such as OOM notifications, cpu, memory, and IO usage statistics exec execute new process inside the container kill kill sends the specified signal (default: SIGTERM) to the container's init process list lists containers started by runc with the given root pause pause suspends all processes inside the container ps ps displays the processes running inside a container restore restore a container from a previous checkpoint resume resumes all processes that have been previously paused run create and run a container spec create a new specification file start executes the user defined process in a created container state output the state of a container update update container resource constraints features show the enabled features help, h Shows a list of commands or help for one command GLOBAL OPTIONS: --debug enable debug logging --log value set the log file to write runc logs to (default is '/dev/stderr') --log-format value set the log format ('text' (default), or 'json') (default: "text") --root value root directory for storage of container state (this should be located in tmpfs) (default: "/run/user/1000/runc") --criu value path to the criu binary used for checkpoint and restore (default: "criu") --systemd-cgroup enable systemd cgroup support, expects cgroupsPath to be of form "slice:prefix:name" for e.g. "system.slice:runc:434234" --rootless value ignore cgroup permission errors ('true', 'false', or 'auto') (default: "auto") --help, -h show help --version, -v print the version sangam@sangam:~$ create directory link sangam@sangam:~$ mkdir runc-sangam-demo sangam@sangam:~$ cd runc-sangam-demo/ once installed, you can start using runc: Creating a Container linkCreate a Root Filesystem: You need a root filesystem for your container. You can create a simple one or use an existing Docker image. Example: mkdir rootfs and unpack a Docker image into it using docker export and tar. mkdir rootfs Export the filesystem of an existing Docker image (e.g., alphine) link sudo docker pull alpine Using default tag: latest latest: Pulling from library/alpine bca4290a9639: Pull complete Digest: sha256:c5b1261d6d3e43071626931fc004f70149baeba2c8ec672bd4f27761f8e1ad6b Status: Downloaded newer image for alpine:latest docker.io/library/alpine:latest docker export $(docker create alpine) | tar -C rootfs -xvf - it will give us two files link sangam@sangam:~/runc-sangam-demo$ ls config.json rootfs check it out config.json file link sangam@sangam:~/runc-sangam-demo$ cat config.json { "ociVersion": "1.0.2-dev", "process": { "terminal": true, "user": { "uid": 0, "gid": 0 }, "args": [ "sh" ], "env": [ "PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin", "TERM=xterm" ], "cwd": "/", "capabilities": { "bounding": [ "CAP_AUDIT_WRITE", "CAP_KILL", "CAP_NET_BIND_SERVICE" ], "effective": [ "CAP_AUDIT_WRITE", "CAP_KILL", "CAP_NET_BIND_SERVICE" ], "permitted": [ "CAP_AUDIT_WRITE", "CAP_KILL", "CAP_NET_BIND_SERVICE" ], "ambient": [ "CAP_AUDIT_WRITE", "CAP_KILL", "CAP_NET_BIND_SERVICE" ] }, "rlimits": [ { "type": "RLIMIT_NOFILE", "hard": 1024, "soft": 1024 } ], "noNewPrivileges": true }, "root": { "path": "rootfs", "readonly": true }, "hostname": "runc", "mounts": [ { "destination": "/proc", "type": "proc", "source": "proc" }, { "destination": "/dev", "type": "tmpfs", "source": "tmpfs", "options": [ "nosuid", "strictatime", "mode=755", "size=65536k" ] }, { "destination": "/dev/pts", "type": "devpts", "source": "devpts", "options": [ "nosuid", "noexec", "newinstance", "ptmxmode=0666", "mode=0620", "gid=5" ] }, { "destination": "/dev/shm", "type": "tmpfs", "source": "shm", "options": [ "nosuid", "noexec", "nodev", "mode=1777", "size=65536k" ] }, { "destination": "/dev/mqueue", "type": "mqueue", "source": "mqueue", "options": [ "nosuid", "noexec", "nodev" ] }, { "destination": "/sys", "type": "sysfs", "source": "sysfs", "options": [ "nosuid", "noexec", "nodev", "ro" ] }, { "destination": "/sys/fs/cgroup", "type": "cgroup", "source": "cgroup", "options": [ "nosuid", "noexec", "nodev", "relatime", "ro" ] } ], "linux": { "resources": { "devices": [ { "allow": false, "access": "rwm" } ] }, "namespaces": [ { "type": "pid" }, { "type": "network" }, { "type": "ipc" }, { "type": "uts" }, { "type": "mount" }, { "type": "cgroup" } ], "maskedPaths": [ "/proc/acpi", "/proc/asound", "/proc/kcore", "/proc/keys", "/proc/latency_stats", "/proc/timer_list", "/proc/timer_stats", "/proc/sched_debug", "/sys/firmware", "/proc/scsi" ], "readonlyPaths": [ "/proc/bus", "/proc/fs", "/proc/irq", "/proc/sys", "/proc/sysrq-trigger" ] } } config file in depth linkociVersion ociVersion: Specifies the OCI Runtime Specification version that the configuration is compatible with. process This section details how the process inside the container should be run. terminal: If set to true, a terminal is attached to the process. user: Specifies the UID and GID for the process. args: Arguments for the process to be run inside the container. In your case, it starts a shell (sh). env: Environment variables. cwd: Current working directory inside the container. capabilities: Linux capabilities that the process inside the container can use. rlimits: Resource limits for the process (e.g., number of open files). noNewPrivileges: If true, the process is not allowed to gain new privileges. root path: The path to the root filesystem relative to the location of the config.json file. Here, it’s set to use the rootfs directory. readonly: If true, the root filesystem is mounted as read-only. hostname hostname: The hostname set for the container. mounts This section defines filesystems or directories that are mounted in the container. destination: Where the mount will be placed inside the container. type: The type of the filesystem to be mounted (e.g., proc, tmpfs). source: The source of the mount. options: Mount options. linux This section contains Linux-specific configurations. resources: Controls how the container can interact with system resources. namespaces: Namespaces provide isolation for the container. Common namespaces include pid, network, ipc, uts, mount, and cgroup. maskedPaths: Paths that should be hidden from the container. readonlyPaths: Paths that should be read-only inside the container. runc run - create and run a container link runc spec --help NAME: runc spec - create a new specification file USAGE: runc spec [command options] [arguments...] DESCRIPTION: The spec command creates the new specification file named "config.json" for the bundle. The spec generated is just a starter file. Editing of the spec is required to achieve desired results. For example, the newly generated spec includes an args parameter that is initially set to call the "sh" command when the container is started. Calling "sh" may work for an ubuntu container or busybox, but will not work for containers that do not include the "sh" program. EXAMPLE: To run docker's hello-world container one needs to set the args parameter in the spec to call hello. This can be done using the sed command or a text editor. The following commands create a bundle for hello-world, change the default args parameter in the spec from "sh" to "/hello", then run the hello command in a new hello-world container named container1: mkdir hello cd hello docker pull hello-world docker export $(docker create hello-world) > hello-world.tar mkdir rootfs tar -C rootfs -xf hello-world.tar runc spec sed -i 's;"sh";"/hello";' config.json runc run container1 In the run command above, "container1" is the name for the instance of the container that you are starting. The name you provide for the container instance must be unique on your host. An alternative for generating a customized spec config is to use "oci-runtime-tool", the sub-command "oci-runtime-tool generate" has lots of options that can be used to do any customizations as you want, see runtime-tools (https://github.com/opencontainers/runtime-tools) to get more information. When starting a container through runc, runc needs root privilege. If not already running as root, you can use sudo to give runc root privilege. For example: "sudo runc start container1" will give runc root privilege to start the container on your host. Alternatively, you can start a rootless container, which has the ability to run without root privileges. For this to work, the specification file needs to be adjusted accordingly. You can pass the parameter --rootless to this command to generate a proper rootless spec file. Note that --rootless is not needed when you execute runc as the root in a user namespace created by an unprivileged user. OPTIONS: --bundle value, -b value path to the root of the bundle directory --rootless generate a configuration for a rootless container lets create link sangam@sangam:~/runc-sangam-demo$ sudo runc create --bundle . container1 sangam@sangam:~/runc-sangam-demo$ sudo runc list ID PID STATUS BUNDLE CREATED OWNER container1 379391 created /home/sangam/runc-sangam-demo 2024-02-08T16:08:52.31926604Z root list all namespaces link sangam@sangam:~/runc-sangam-demo$ sudo lsns NS TYPE NPROCS PID USER COMMAND 4026531834 time 221 1 root /sbin/init 4026531835 cgroup 220 1 root /sbin/init 4026531836 pid 208 1 root /sbin/init 4026531837 user 221 1 root /sbin/init 4026531838 uts 217 1 root /sbin/init 4026531839 ipc 208 1 root /sbin/init 4026531840 net 220 1 root /sbin/init 4026531841 mnt 202 1 root /sbin/init 4026531862 mnt 1 25 root kdevtmpfs 4026532545 mnt 1 561 root /lib/systemd/systemd-udevd 4026532546 uts 1 561 root /lib/systemd/systemd-udevd 4026532626 mnt 1 714 systemd-timesync /lib/systemd/systemd-timesyncd 4026532627 uts 1 714 systemd-timesync /lib/systemd/systemd-timesyncd 4026532628 mnt 1 821 systemd-network /lib/systemd/systemd-networkd 4026532629 mnt 1 823 systemd-resolve /lib/systemd/systemd-resolved 4026532660 mnt 1 2373 65535 /pause 4026532661 ipc 12 2373 65535 /pause 4026532662 pid 1 2373 65535 /pause 4026532663 mnt 11 2662 root /usr/local/bin/runsvdir -P /etc/service/enabled 4026532664 pid 11 2662 root /usr/local/bin/runsvdir -P /etc/service/enabled 4026532666 mnt 1 379391 root runc init 4026532667 uts 1 379391 root runc init 4026532668 ipc 1 379391 root runc init 4026532669 pid 1 379391 root runc init 4026532670 net 1 379391 root runc init 4026532713 mnt 1 869 root /lib/systemd/systemd-logind 4026532714 uts 1 869 root /lib/systemd/systemd-logind 4026532732 cgroup 1 379391 root runc init list of all running processes on your system, including details about the user running each process, CPU and memory usage, the process ID (PID), the parent process ID (PPID), and more. link sangam@sangam:~/runc-sangam-demo$ ps auxf USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND root 2 0.0 0.0 0 0 ? S 11:32 0:00 [kthreadd] root 3 0.0 0.0 0 0 ? I< 11:32 0:00 \_ [rcu_gp] root 4 0.0 0.0 0 0 ? I< 11:32 0:00 \_ [rcu_par_gp] root 5 0.0 0.0 0 0 ? I< 11:32 0:00 \_ [slub_flushwq] root 6 0.0 0.0 0 0 ? I< 11:32 0:00 \_ [netns] root 8 0.0 0.0 0 0 ? I< 11:32 0:00 \_ [kworker/0:0H-events_highpri] root 10 0.0 0.0 0 0 ? I< 11:32 0:00 \_ [mm_percpu_wq] root 11 0.0 0.0 0 0 ? S 11:32 0:00 \_ [rcu_tasks_rude_] root 12 0.0 0.0 0 0 ? S 11:32 0:00 \_ [rcu_tasks_trace] root 13 0.0 0.0 0 0 ? S 11:32 0:01 \_ [ksoftirqd/0] root 14 0.0 0.0 0 0 ? I 11:32 0:06 \_ [rcu_sched] root 15 0.0 0.0 0 0 ? S 11:32 0:00 \_ [migration/0] root 16 0.0 0.0 0 0 ? S 11:32 0:00 \_ [idle_inject/0] root 18 0.0 0.0 0 0 ? S 11:32 0:00 \_ [cpuhp/0] root 19 0.0 0.0 0 0 ? S 11:32 0:00 \_ [cpuhp/1] root 20 0.0 0.0 0 0 ? S 11:32 0:00 \_ [idle_inject/1] root 21 0.0 0.0 0 0 ? S 11:32 0:00 \_ [migration/1] root 22 0.0 0.0 0 0 ? S 11:32 0:01 \_ [ksoftirqd/1] root 24 0.0 0.0 0 0 ? I< 11:32 0:00 \_ [kworker/1:0H-events_highpri] root 25 0.0 0.0 0 0 ? S 11:32 0:00 \_ [kdevtmpfs] root 26 0.0 0.0 0 0 ? I< 11:32 0:00 \_ [inet_frag_wq] root 28 0.0 0.0 0 0 ? S 11:32 0:00 \_ [kauditd] root 29 0.0 0.0 0 0 ? S 11:32 0:00 \_ [khungtaskd] root 30 0.0 0.0 0 0 ? S 11:32 0:00 \_ [oom_reaper] root 31 0.0 0.0 0 0 ? I< 11:32 0:00 \_ [writeback] root 32 0.0 0.0 0 0 ? S 11:32 0:00 \_ [kcompactd0] root 33 0.0 0.0 0 0 ? SN 11:32 0:00 \_ [ksmd] root 34 0.0 0.0 0 0 ? SN 11:32 0:00 \_ [khugepaged] root 80 0.0 0.0 0 0 ? I< 11:32 0:00 \_ [kintegrityd] root 81 0.0 0.0 0 0 ? I< 11:32 0:00 \_ [kblockd] root 82 0.0 0.0 0 0 ? I< 11:32 0:00 \_ [blkcg_punt_bio] root 83 0.0 0.0 0 0 ? I< 11:32 0:00 \_ [tpm_dev_wq] root 84 0.0 0.0 0 0 ? I< 11:32 0:00 \_ [ata_sff] root 85 0.0 0.0 0 0 ? I< 11:32 0:00 \_ [md] root 86 0.0 0.0 0 0 ? I< 11:32 0:00 \_ [edac-poller] root 87 0.0 0.0 0 0 ? I< 11:32 0:00 \_ [devfreq_wq] root 88 0.0 0.0 0 0 ? S 11:32 0:00 \_ [watchdogd] root 90 0.0 0.0 0 0 ? I< 11:32 0:00 \_ [kworker/0:1H-kblockd] root 91 0.0 0.0 0 0 ? S 11:32 0:00 \_ [kswapd0] root 92 0.0 0.0 0 0 ? S 11:32 0:00 \_ [ecryptfs-kthrea] root 94 0.0 0.0 0 0 ? I< 11:32 0:00 \_ [kthrotld] root 95 0.0 0.0 0 0 ? S 11:32 0:00 \_ [irq/13-pciehp] root 96 0.0 0.0 0 0 ? S 11:32 0:00 \_ [irq/14-pciehp] root 97 0.0 0.0 0 0 ? S 11:32 0:00 \_ [irq/15-pciehp] root 98 0.0 0.0 0 0 ? S 11:32 0:00 \_ [irq/16-pciehp] root 99 0.0 0.0 0 0 ? S 11:32 0:00 \_ [irq/17-pciehp] root 100 0.0 0.0 0 0 ? S 11:32 0:00 \_ [irq/18-pciehp] root 101 0.0 0.0 0 0 ? S 11:32 0:00 \_ [irq/19-pciehp] root 102 0.0 0.0 0 0 ? S 11:32 0:00 \_ [irq/20-pciehp] root 103 0.0 0.0 0 0 ? S 11:32 0:00 \_ [irq/21-pciehp] root 104 0.0 0.0 0 0 ? S 11:32 0:00 \_ [irq/22-pciehp] root 105 0.0 0.0 0 0 ? S 11:32 0:00 \_ [irq/23-pciehp] root 106 0.0 0.0 0 0 ? S 11:32 0:00 \_ [irq/24-pciehp] root 107 0.0 0.0 0 0 ? S 11:32 0:00 \_ [irq/25-pciehp] root 108 0.0 0.0 0 0 ? S 11:32 0:00 \_ [irq/26-pciehp] root 109 0.0 0.0 0 0 ? S 11:32 0:00 \_ [irq/27-pciehp] root 110 0.0 0.0 0 0 ? S 11:32 0:00 \_ [irq/28-pciehp] root 111 0.0 0.0 0 0 ? S 11:32 0:00 \_ [irq/29-pciehp] root 112 0.0 0.0 0 0 ? S 11:32 0:00 \_ [irq/30-pciehp] root 113 0.0 0.0 0 0 ? S 11:32 0:00 \_ [irq/31-pciehp] root 114 0.0 0.0 0 0 ? S 11:32 0:00 \_ [irq/32-pciehp] root 115 0.0 0.0 0 0 ? S 11:32 0:00 \_ [irq/33-pciehp] root 116 0.0 0.0 0 0 ? S 11:32 0:00 \_ [irq/34-pciehp] root 117 0.0 0.0 0 0 ? S 11:32 0:00 \_ [irq/35-pciehp] root 118 0.0 0.0 0 0 ? S 11:32 0:00 \_ [irq/36-pciehp] root 119 0.0 0.0 0 0 ? S 11:32 0:00 \_ [irq/37-pciehp] root 120 0.0 0.0 0 0 ? S 11:32 0:00 \_ [irq/38-pciehp] root 121 0.0 0.0 0 0 ? S 11:32 0:00 \_ [irq/39-pciehp] root 122 0.0 0.0 0 0 ? S 11:32 0:00 \_ [irq/40-pciehp] root 123 0.0 0.0 0 0 ? S 11:32 0:00 \_ [irq/41-pciehp] root 124 0.0 0.0 0 0 ? S 11:32 0:00 \_ [irq/42-pciehp] root 125 0.0 0.0 0 0 ? S 11:32 0:00 \_ [irq/43-pciehp] root 126 0.0 0.0 0 0 ? S 11:32 0:00 \_ [irq/44-pciehp] root 127 0.0 0.0 0 0 ? I< 11:32 0:00 \_ [acpi_thermal_pm] root 129 0.0 0.0 0 0 ? I< 11:32 0:00 \_ [mld] root 130 0.0 0.0 0 0 ? I< 11:32 0:00 \_ [ipv6_addrconf] root 140 0.0 0.0 0 0 ? I< 11:32 0:00 \_ [kstrp] root 144 0.0 0.0 0 0 ? I< 11:32 0:00 \_ [zswap-shrink] root 145 0.0 0.0 0 0 ? I< 11:32 0:00 \_ [kworker/u5:0] root 148 0.0 0.0 0 0 ? I< 11:32 0:00 \_ [cryptd] root 187 0.0 0.0 0 0 ? I< 11:32 0:00 \_ [charger_manager] root 211 0.0 0.0 0 0 ? I< 11:32 0:00 \_ [kworker/1:1H-kblockd] root 234 0.0 0.0 0 0 ? I< 11:32 0:00 \_ [nvme-wq] root 235 0.0 0.0 0 0 ? I< 11:32 0:00 \_ [nvme-reset-wq] root 236 0.0 0.0 0 0 ? I< 11:32 0:00 \_ [nvme-delete-wq] root 238 0.0 0.0 0 0 ? S 11:32 0:00 \_ [scsi_eh_0] root 239 0.0 0.0 0 0 ? I< 11:32 0:00 \_ [scsi_tmf_0] root 240 0.0 0.0 0 0 ? S 11:32 0:00 \_ [scsi_eh_1] root 241 0.0 0.0 0 0 ? I< 11:32 0:00 \_ [scsi_tmf_1] root 242 0.0 0.0 0 0 ? S 11:32 0:00 \_ [scsi_eh_2] root 243 0.0 0.0 0 0 ? I< 11:32 0:00 \_ [scsi_tmf_2] root 244 0.0 0.0 0 0 ? S 11:32 0:00 \_ [scsi_eh_3] root 259 0.0 0.0 0 0 ? I< 11:32 0:00 \_ [scsi_tmf_3] root 261 0.0 0.0 0 0 ? S 11:32 0:00 \_ [scsi_eh_4] root 265 0.0 0.0 0 0 ? I< 11:32 0:00 \_ [scsi_tmf_4] root 267 0.0 0.0 0 0 ? S 11:32 0:00 \_ [scsi_eh_5] root 268 0.0 0.0 0 0 ? I< 11:32 0:00 \_ [scsi_tmf_5] root 271 0.0 0.0 0 0 ? S 11:32 0:00 \_ [scsi_eh_6] root 273 0.0 0.0 0 0 ? I< 11:32 0:00 \_ [scsi_tmf_6] root 276 0.0 0.0 0 0 ? I< 11:32 0:00 \_ [ttm_swap] root 277 0.0 0.0 0 0 ? S 11:32 0:00 \_ [scsi_eh_7] root 279 0.0 0.0 0 0 ? S 11:32 0:02 \_ [irq/45-vmwgfx] root 281 0.0 0.0 0 0 ? S 11:32 0:00 \_ [card0-crtc0] root 282 0.0 0.0 0 0 ? S 11:32 0:00 \_ [card0-crtc1] root 283 0.0 0.0 0 0 ? S 11:32 0:00 \_ [card0-crtc2] root 284 0.0 0.0 0 0 ? S 11:32 0:00 \_ [card0-crtc3] root 285 0.0 0.0 0 0 ? S 11:32 0:00 \_ [card0-crtc4] root 286 0.0 0.0 0 0 ? S 11:32 0:00 \_ [card0-crtc5] root 287 0.0 0.0 0 0 ? S 11:32 0:00 \_ [card0-crtc6] root 288 0.0 0.0 0 0 ? S 11:32 0:00 \_ [card0-crtc7] root 289 0.0 0.0 0 0 ? I< 11:32 0:00 \_ [scsi_tmf_7] root 293 0.0 0.0 0 0 ? S 11:32 0:00 \_ [scsi_eh_8] root 295 0.0 0.0 0 0 ? I< 11:32 0:00 \_ [scsi_tmf_8] root 296 0.0 0.0 0 0 ? S 11:32 0:00 \_ [scsi_eh_9] root 298 0.0 0.0 0 0 ? I< 11:32 0:00 \_ [scsi_tmf_9] root 300 0.0 0.0 0 0 ? S 11:32 0:00 \_ [scsi_eh_10] root 301 0.0 0.0 0 0 ? I< 11:32 0:00 \_ [scsi_tmf_10] root 302 0.0 0.0 0 0 ? S 11:32 0:00 \_ [scsi_eh_11] root 304 0.0 0.0 0 0 ? I< 11:32 0:00 \_ [scsi_tmf_11] root 305 0.0 0.0 0 0 ? S 11:32 0:00 \_ [scsi_eh_12] root 307 0.0 0.0 0 0 ? I< 11:32 0:00 \_ [scsi_tmf_12] root 308 0.0 0.0 0 0 ? S 11:32 0:00 \_ [scsi_eh_13] root 310 0.0 0.0 0 0 ? I< 11:32 0:00 \_ [scsi_tmf_13] root 315 0.0 0.0 0 0 ? S 11:32 0:00 \_ [scsi_eh_14] root 316 0.0 0.0 0 0 ? I< 11:32 0:00 \_ [scsi_tmf_14] root 317 0.0 0.0 0 0 ? S 11:32 0:00 \_ [scsi_eh_15] root 319 0.0 0.0 0 0 ? I< 11:32 0:00 \_ [scsi_tmf_15] root 321 0.0 0.0 0 0 ? S 11:32 0:00 \_ [scsi_eh_16] root 322 0.0 0.0 0 0 ? I< 11:32 0:00 \_ [scsi_tmf_16] root 323 0.0 0.0 0 0 ? S 11:32 0:00 \_ [scsi_eh_17] root 324 0.0 0.0 0 0 ? I< 11:32 0:00 \_ [scsi_tmf_17] root 325 0.0 0.0 0 0 ? S 11:32 0:00 \_ [scsi_eh_18] root 326 0.0 0.0 0 0 ? I< 11:32 0:00 \_ [scsi_tmf_18] root 327 0.0 0.0 0 0 ? S 11:32 0:00 \_ [scsi_eh_19] root 328 0.0 0.0 0 0 ? I< 11:32 0:00 \_ [scsi_tmf_19] root 329 0.0 0.0 0 0 ? S 11:32 0:00 \_ [scsi_eh_20] root 330 0.0 0.0 0 0 ? I< 11:32 0:00 \_ [scsi_tmf_20] root 331 0.0 0.0 0 0 ? S 11:32 0:00 \_ [scsi_eh_21] root 332 0.0 0.0 0 0 ? I< 11:32 0:00 \_ [scsi_tmf_21] root 333 0.0 0.0 0 0 ? S 11:32 0:00 \_ [scsi_eh_22] root 334 0.0 0.0 0 0 ? I< 11:32 0:00 \_ [scsi_tmf_22] root 335 0.0 0.0 0 0 ? S 11:32 0:00 \_ [scsi_eh_23] root 336 0.0 0.0 0 0 ? I< 11:32 0:00 \_ [scsi_tmf_23] root 337 0.0 0.0 0 0 ? S 11:32 0:00 \_ [scsi_eh_24] root 338 0.0 0.0 0 0 ? I< 11:32 0:00 \_ [scsi_tmf_24] root 339 0.0 0.0 0 0 ? S 11:32 0:00 \_ [scsi_eh_25] root 340 0.0 0.0 0 0 ? I< 11:32 0:00 \_ [scsi_tmf_25] root 341 0.0 0.0 0 0 ? S 11:32 0:00 \_ [scsi_eh_26] root 342 0.0 0.0 0 0 ? I< 11:32 0:00 \_ [scsi_tmf_26] root 343 0.0 0.0 0 0 ? S 11:32 0:00 \_ [scsi_eh_27] root 344 0.0 0.0 0 0 ? I< 11:32 0:00 \_ [scsi_tmf_27] root 345 0.0 0.0 0 0 ? S 11:32 0:00 \_ [scsi_eh_28] root 346 0.0 0.0 0 0 ? I< 11:32 0:00 \_ [scsi_tmf_28] root 347 0.0 0.0 0 0 ? S 11:32 0:00 \_ [scsi_eh_29] root 348 0.0 0.0 0 0 ? I< 11:32 0:00 \_ [scsi_tmf_29] root 382 0.0 0.0 0 0 ? I< 11:32 0:00 \_ [kdmflush] root 416 0.0 0.0 0 0 ? I< 11:32 0:00 \_ [raid5wq] root 463 0.0 0.0 0 0 ? S 11:32 0:02 \_ [jbd2/dm-0-8] root 464 0.0 0.0 0 0 ? I< 11:32 0:00 \_ [ext4-rsv-conver] root 560 0.0 0.0 0 0 ? I< 11:32 0:00 \_ [kaluad] root 562 0.0 0.0 0 0 ? I< 11:32 0:00 \_ [kmpath_rdacd] root 564 0.0 0.0 0 0 ? I< 11:32 0:00 \_ [kmpathd] root 565 0.0 0.0 0 0 ? I< 11:32 0:00 \_ [kmpath_handlerd] root 686 0.0 0.0 0 0 ? S 11:32 0:00 \_ [jbd2/nvme0n1p2-] root 688 0.0 0.0 0 0 ? I< 11:32 0:00 \_ [ext4-rsv-conver] root 1721 0.0 0.0 2184 764 ? S 11:32 0:00 \_ bpfilter_umh root 2070 0.0 0.0 0 0 ? I< 11:32 0:00 \_ [dio/dm-0] root 156869 0.0 0.0 0 0 ? I 13:25 0:01 \_ [kworker/u4:1-flush-253:0] root 313679 0.0 0.0 0 0 ? I 15:20 0:00 \_ [kworker/u4:3-events_unbound] root 363789 0.0 0.0 0 0 ? I 15:57 0:00 \_ [kworker/0:2-events] root 365001 0.0 0.0 0 0 ? I 15:58 0:00 \_ [kworker/u4:2-events_unbound] root 370567 0.0 0.0 0 0 ? I 16:02 0:00 \_ [kworker/1:0-events] root 378476 0.0 0.0 0 0 ? I 16:08 0:00 \_ [kworker/1:1-events] root 378512 0.0 0.0 0 0 ? I 16:08 0:00 \_ [kworker/0:1-events] root 385797 0.0 0.0 0 0 ? I 16:13 0:00 \_ [kworker/0:0-events] root 1 0.0 0.2 101092 10708 ? Ss 11:32 0:15 /sbin/init root 526 0.3 8.8 540332 352704 ? S

Compose Port Command

Print the public port for a port binding. link

Print the public port for a port binding.