openwares.net

'-usbdevice' is deprecated, please use '-device usb-...' instead

-machine usb=on
-device usb-host,hostbus=2,hostaddr=4

No 'usb-bus' bus found for device 'usb-host'

$ lxc config set mycontainer environment.TZ Asia/Shanghai

$ lxc profile set default environment.TZ Asia/Shanghai

(cd /opt/reps && ./reps)

$ sudo apt install dkms build-essential pkg-config libglib2.0-dev libpixman-1-dev libusb-dev libusbredirparser-dev libfdt-dev libbz2-dev flex bison

$ wget https://download.qemu.org/qemu-4.0.0.tar.xz
$ tar xvJf qemu-4.0.0.tar.xz

$ cd qemu-4.0.0
$ mkdir build
$ cd build
$ ../configure --target-list=x86_64-softmmu --enable-debug
$ make -j8

$ sudo make install

# systemctl status tomcat9
● tomcat9.service - Apache Tomcat 9 Web Application Server
 Loaded: loaded (/lib/systemd/system/tomcat9.service; enabled; vendor preset: enabled)
 Active: failed (Result: exit-code) since Thu 2019-06-06 20:52:24 CST; 10min ago
 Docs: https://tomcat.apache.org/tomcat-9.0-doc/index.html
 Process: 187 ExecStartPre=/usr/libexec/tomcat9/tomcat-update-policy.sh (code=exited, status=0/SUCCESS)
 Process: 191 ExecStart=/bin/sh /usr/libexec/tomcat9/tomcat-start.sh (code=exited, status=226/NAMESPACE)
 Main PID: 191 (code=exited, status=226/NAMESPACE)

Jun 06 20:52:24 test8 systemd\[1\]: Starting Apache Tomcat 9 Web Application Server...
Jun 06 20:52:24 test8 systemd\[1\]: Started Apache Tomcat 9 Web Application Server.
Jun 06 20:52:24 test8 systemd\[191\]: tomcat9.service: Failed to set up mount namespacing: Permission den
ied
Jun 06 20:52:24 test8 systemd\[191\]: tomcat9.service: Failed at step NAMESPACE spawning /bin/sh: Permiss
ion denied
Jun 06 20:52:24 test8 systemd\[1\]: tomcat9.service: Main process exited, code=exited, status=226/NAMESPA
CE
Jun 06 20:52:24 test8 systemd\[1\]: tomcat9.service: Failed with result 'exit-code'.

$ lxc config set test8 raw.lxc "lxc.apparmor.profile=unconfined"
$ lxc restart test8

$ lxc remote add lxd-r <ip of lxd-r>

$ lxc stop pridns
$ lxc copy pridns lxd-r:pridns-backup
$ lxc start pridns

$ lxc launch ubuntu:18.04 my-ubuntu
$ lxc launch ubuntu-daily:19.04 my-ubuntu-dev
$ lxc launch images:debian/buster/amd64 my-debian

$ lxc image list ubuntu:
$ lxc image list ubuntu-daily:
$ lxc image list images:

$ lxc remote add my-images 192.168.0.x

$ lxc launch my-images:image-name your-container

$ lxc image list my-images:

$ lxc image import <file> --alias my-alias

$ lxc launch my-alias my-container

$ lxc my-container stop
$ lxc publish my-container --alias test-image

$ lxc publish my-container/my-snap --alias test-image2

$ lxc snapshot test8 test8snap0

$ lxc snapshot test8 test8snap1 --stateful

$ lxc info test8
Name: test8
Remote: unix://
Architecture: x86_64
Created: 2019/06/04 07:52 UTC
Status: Running
Type: persistent
Profiles: default
Pid: 7769
Ips:
 eth0: inet 192.168.0.8 vethM2PWUN
 eth0: inet6 fe80::216:3eff:fea7:706b vethM2PWUN
 lo: inet 127.0.0.1
 lo: inet6 ::1
Resources:
 Processes: 5
 CPU usage:
 CPU usage (in seconds): 123
 Memory usage:
 Memory (current): 2.05GB
 Memory (peak): 2.45GB
 Network usage:
 eth0:
 Bytes received: 347.96MB
 Bytes sent: 5.86MB
 Packets received: 132127
 Packets sent: 63110
 lo:
 Bytes received: 4.07kB
 Bytes sent: 4.07kB
 Packets received: 52
 Packets sent: 52
Snapshots:
 test8snap0 (taken at 2019/06/04 08:17 UTC) (stateless)

$ lxc restore test8 test8snap0

$ lxc delete test8/test8snap0

$ sudo apt install bridge-utiles

# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).

source /etc/network/interfaces.d/*

# The loopback network interface
auto lo
iface lo inet loopback

# The primary network interface
auto enp0s3
iface enp0s3 inet manual

# bridge interface
auto br0 
iface br0 inet static
 address 192.168.3.6/24
 gateway 192.168.3.1
 # bridge options
 bridge_ports enp0s3
 bridge_stp off 
 bridge_fd 0
 bridge_maxwait 0
 bridge_waitport 0 

$ lxc config device add bst eth0 nic nictype=bridged parent=br0 name=eth0

$ lxc exec bst -- vim /etc/network/interfaces

$ lxc profile list
+---------+---------+
 NAME USED BY 
+---------+---------+
 default 1 
+---------+---------+

$ lxc profile show default 
config: {}
description: Default LXD profile
devices:
 eth0:
 name: eth0
 nictype: bridged
 parent: lxdbr0
 type: nic
 root:
 path: /
 pool: default
 type: disk
name: default
used_by:
- /1.0/containers/bst

$ lxc profile create hostbridgedprofile
Profile hostbridgedprofile created

$ cat <<EOF lxc profile edit hostbridgedprofile
description: Host Bridged networking LXD profile
devices:
 eth0:
 name: eth0
 nictype: bridged
 parent: br0
 type: nic
EOF

$ lxc profile list
+--------------------+---------+
 NAME USED BY 
+--------------------+---------+
 default 1 
+--------------------+---------+
 hostbridgedprofile 0 
+--------------------+---------+

$ lxc profile show hostbridgedprofile
config: {}
description: Host Bridged networking LXD profile
devices:
 eth0:
 name: eth0
 nictype: bridged
 parent: br0
 type: nic
name: hostbridgedprofile
used_by: \[\]

$ lxc profile assign bst default,hostbridgedprofile 
Profiles default,hostbridgedprofile applied to bst

$ lxc launch -p default -p hostbridgedprofile images:debian/buster/amd64 new_container

$ lxc profile delete hostbridgedprofile 
Error: Profile is currently in use

$ lxd init
Would you like to use LXD clustering? (yes/no) \[default=no\]: 
Do you want to configure a new storage pool? (yes/no) \[default=yes\]: no
Would you like to connect to a MAAS server? (yes/no) \[default=no\]: 
Would you like to create a new local network bridge? (yes/no) \[default=yes\]: no <=这里为no
Would you like to configure LXD to use an existing bridge or host interface? (yes/no) \[default=no\]: yes <= 这里为yes
Name of the existing bridge or host interface: br0 <= 这里输入主机桥接接口bro
Would you like LXD to be available over the network? (yes/no) \[default=no\]: 
Would you like stale cached images to be updated automatically? (yes/no) \[default=yes\] 
Would you like a YAML "lxd init" preseed to be printed? (yes/no) \[default=no\]: 

$ sudo apt install snapd

$ sudo snap install lxd --channel=3.0/stable

$ sudo adduser $USER lxd

$ which lxd
/snap/bin/lxd

$ lxd init

$ lxc launch images:debian/buster/amd64 bst

$ lxc launch ubuntu:18.04 ubt

$ lxc list
+------+---------+---------------------+-----------------------------------------------+------------+-----------+
 NAME STATE IPV4 IPV6 TYPE SNAPSHOTS 
+------+---------+---------------------+-----------------------------------------------+------------+-----------+
 bst RUNNING 10.132.77.54 (eth0) fd42:2d28:4331:ad36:216:3eff:fed5:4b5c (eth0) PERSISTENT 0 
+------+---------+---------------------+-----------------------------------------------+------------+-----------+

$ lxc info bst
Name: bst
Remote: unix://
Architecture: x86_64
Created: 2019/06/02 03:19 UTC
Status: Running
Type: persistent
Profiles: default
Pid: 1166
Ips:
 eth0:inet10.132.77.54vethKTBXNA
 eth0:inet6fd42:2d28:4331:ad36:216:3eff:fed5:4b5cvethKTBXNA
 eth0:inet6fe80::216:3eff:fed5:4b5cvethKTBXNA
 lo:inet127.0.0.1
 lo:inet6::1
Resources:
 Processes: 6
 CPU usage:
 CPU usage (in seconds): 7
 Memory usage:
 Memory (current): 211.66MB
 Memory (peak): 297.09MB
 Network usage:
 eth0:
 Bytes received: 1.43MB
 Bytes sent: 69.46kB
 Packets received: 966
 Packets sent: 902
 lo:
 Bytes received: 0B
 Bytes sent: 0B
 Packets received: 0
 Packets sent: 0

$ lxc exec first -- /bin/bash

$ lxc exec first -- apt install procps

$ lxc file pull first/etc/hosts .

$ lxc file push hosts first/etc/

$ lxc file push -r folder first/path/to

$ lxc stop bst

$ lxc delete bst

$ lxc config set core.https_address "\[::\]"
$ lxc config set core.trust_password some-password

$ lxc remote add host-a <ip address or DNS name>

$ lxc exec host-a:bst -- /bin/bash

$ sudo snap refresh lxd --channel=4.0/stable