Nels Nelson nelsnelson
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| $ sudo lxc-create -t sshd -n test -f /var/lib/lxc/test/config -l DEBUG -o /tmp/lxc.log &> /dev/null | |
| $ sudo lxc-start -d -n test -f /var/lib/lxc/test/config -P /var/lib/lxc/test -l DEBUG -o /tmp/lxc.log | |
| $ cat /tmp/lxc.log | |
| lxc-create 1391637847.305 WARN lxc_log - lxc_log_init called with log already initialized | |
| lxc-start 1391637853.096 WARN lxc_log - lxc_log_init called with log already initialized | |
| lxc-start 1391637853.099 DEBUG lxc_cgroup - cgroup_init | |
| lxc-start 1391637853.099 INFO lxc_cgroup - Initialized cgroup driver cgroupfs | |
| lxc-start 1391637853.099 INFO lxc_lsm - LSM security driver SELinux | |
| lxc-start 1391637853.099 DEBUG lxc_start - sigchild handler set | |
| lxc-start 1391637853.100 DEBUG lxc_console - no console peer |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| $ sudo lxc-destroy -n test | |
| lxc_container: _recursive_rmdir_onedev: failed to delete /var/lib/lxc/test/rootfs/run/shm | |
| lxc_container: _recursive_rmdir_onedev: failed to delete /var/lib/lxc/test/rootfs/run | |
| lxc_container: _recursive_rmdir_onedev: failed to delete /var/lib/lxc/test/rootfs/sbin | |
| lxc_container: _recursive_rmdir_onedev: failed to delete /var/lib/lxc/test/rootfs/lib | |
| lxc_container: _recursive_rmdir_onedev: failed to delete /var/lib/lxc/test/rootfs/dev | |
| lxc_container: _recursive_rmdir_onedev: failed to delete /var/lib/lxc/test/rootfs/lib64 | |
| lxc_container: _recursive_rmdir_onedev: failed to delete /var/lib/lxc/test/rootfs/bin | |
| lxc_container: _recursive_rmdir_onedev: failed to delete /var/lib/lxc/test/rootfs/proc | |
| lxc_container: _recursive_rmdir_onedev: failed to delete /var/lib/lxc/test/rootfs/etc/init.d |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| $ cat /tmp/lxc.log | |
| lxc-create 1391628487.880 WARN lxc_log - lxc_log_init called with log already initialized | |
| lxc-create 1391628487.893 INFO bdev - got 0 for thin pool at path: /dev/lxc/lxc | |
| lxc-create 1391628487.962 DEBUG bdev - trying to mount '/dev/lxc/test'->'/usr/lib/lxc/rootfs' with fstype 'ext3' | |
| lxc-create 1391628487.963 INFO bdev - mounted '/dev/lxc/test' on '/usr/lib/lxc/rootfs', with fstype 'ext3' | |
| lxc-create 1391628487.983 INFO lxc_create_ui - container test created | |
| lxc-start 1391628487.988 INFO lxc_start_ui - using rcfile /var/lib/lxc/test/test/config | |
| lxc-start 1391628487.988 WARN lxc_log - lxc_log_init called with log already initialized | |
| lxc-start 1391628487.988 ERROR lxc_start_ui - Executing '/sbin/init' with no configuration file may crash the host |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| $ sudo lxc-create -n test -o /tmp/lxc.log | |
| lxc-create: Error creating container test | |
| $ cat /tmp/lxc.log | |
| lxc-create 1391754787.424 ERROR lxc_create_ui - Error creating container test |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| $ sudo lxc-execute -n test -l DEBUG -o /tmp/lxc.log -- echo hello world | |
| hello world | |
| $ cat /tmp/lxc.log | |
| lxc-execute 1391753212.665 INFO lxc_lsm - LSM security driver SELinux | |
| lxc-execute 1391753212.665 DEBUG lxc_start - sigchild handler set | |
| lxc-execute 1391753212.665 INFO lxc_console - no console for lxc-execute. | |
| lxc-execute 1391753212.665 INFO lxc_start - 'test' is initialized | |
| lxc-execute 1391753212.671 DEBUG lxc_start - Not dropping cap_sys_boot or watching utmp | |
| lxc-execute 1391753212.671 INFO lxc_cgroup - cgroup driver cgroupfs initing for test | |
| lxc-execute 1391753212.674 DEBUG lxc_conf - Set exec command to echo |
nelsnelson
/ output.txt
Last active
August 29, 2015 13:56
Occasionally, when I run this code in a multi-threaded environment, I observe the provided error when accessing for example apple.tags.
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| $ ./tags.rb | |
| apple | |
| edible |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| $ /bin/bash ulimiter.sh 40 forks.py | |
| 0: 9388 | |
| 2: 9390 | |
| 1: 9389 | |
| 3: 9391 | |
| 4: 9392 | |
| 6: 9394 | |
| 5: 9393 | |
| 7: 9395 | |
| 8: 9396 |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Config contents: | |
| lxc.seccomp = /tmp/whitelist | |
| Whitelist contents: | |
| 1 | |
| whitelist | |
| 0 | |
| 1 |
nelsnelson
/ example-lxc-execute-failure.txt
Last active
August 29, 2015 13:56
Example of lxc-execute failure due to "lxc-execute: Failed to find an lxc-init"
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| $ cat seccomp.sh | |
| #! /usr/bin/env bash | |
| cat << EOF > /tmp/config | |
| lxc.seccomp = /tmp/whitelist | |
| EOF | |
| cat << EOF > /tmp/whitelist | |
| 1 | |
| whitelist | |
| 1 |
nelsnelson
/ simple-lxc-execute-failure.txt
Created
February 17, 2014 18:13
Simple lxc-execute failure
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| $ sudo aptitude versions lxc | grep 1.0.0 | |
| p 1.0.0~beta1-5~r1+1 unstable 500 | |
| p 1.0.0~beta1-5~r1+1 unstable 500 | |
| p 1.0.0~beta1-5~r1+1 unstable 500 | |
| p 1.0.0~beta1-5~r1+1 unstable 500 | |
| $ sudo apt-get install lxc=1.0.0~beta1-5~r1+1 | |
| Reading package lists... Done | |
| Building dependency tree | |
| Reading state information... Done | |
| The following extra packages will be installed: |