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ubiquiti:controller [2020/07/20 16:05] – niziakubiquiti:controller [2021/03/20 21:41] (current) – niziak
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   * Works correctly only with host type networking = no network separation   * Works correctly only with host type networking = no network separation
  
-===== In unprivileged LXC ===== 
  
-[[https://wiki.debian.org/LXC]]+ 
 +==== Install MongoDB < 4.0.0 ==== 
 +[[https://docs.mongodb.com/v3.6/tutorial/install-mongodb-on-debian/]]
  
 <code bash> <code bash>
-apt-get install lxc+apt install gnupg2 
 +wget -qO - https://www.mongodb.org/static/pgp/server-3.6.asc | sudo apt-key add - 
 +echo "deb http://repo.mongodb.org/apt/debian stretch/mongodb-org/3.6 main" | sudo tee /etc/apt/sources.list.d/mongodb-org-3.6.list 
 +apt-get update 
 +sudo apt install mongodb-org 
 +sudo systemctl start mongod
 </code> </code>
  
-Create user: +==== Installing Unifi controller ====
-<code bash>sudo useradd -s /bin/bash -c 'Unifi lxc user' -m unifi</code> +
-<code bash>sudo passwd unifi</code>+
  
-Find subuids and subgids for created user +Inside container: 
-<code bash>sudo grep unifi /etc/sub{gid,uid}</code> +<code bash> 
-<code> +sudo apt-get update && sudo apt-get install ca-certificates apt-transport-https wget 
-/etc/subgid:unifi:1738400:65536 +echo 'deb https://www.ui.com/downloads/unifi/debian stable ubiquiti' | sudo tee /etc/apt/sources.list.d/100-ubnt-unifi.list 
-/etc/subuid:unifi:1738400:65536 +sudo wget -O /etc/apt/trusted.gpg.d/unifi-repo.gpg https://dl.ui.com/unifi/unifi-repo.gpg  
-</code>+sudo apt update 
 +sudo apt install unifi
  
-Allow new user create network interfaces: 
-<file | /etc/lxc/lxc-usernet> 
-lxcgitlab veth br-lan 10 
-</file> 
-[[https://linuxcontainers.org/lxc/manpages/man5/lxc-usernet.5.html|man 5 lxc-usernet]] 
- 
-Now login as new user (using ssh or su). 
-Create default lxc configureation in user directory: 
-<code bash> 
-mkdir -p ~/.config/lxc 
-cp /etc/lxc/default.conf ~/.config/lxc/default.conf 
 </code> </code>
 +Access running controller on: [[https://<IP>:8443/]]
  
-Edit file below and put subuid and subgid: +Unifi controller log location: 
-<file | ~/.config/lxc/default.conf> +  * ''/usr/lib/unifi/logs/server.log'' 
-lxc.include = /etc/lxc/default.conf +  * ''/usr/lib/unifi/logs/mongod.log''
- +
-lxc.idmap = u 0 1738400 65536 +
-lxc.idmap = g 0 1738400 65536 +
- +
-# "Secure" mounting +
-lxc.mount.auto = proc:mixed sys:ro cgroup:mixed +
- +
-lxc.net.0.type = veth +
-lxc.net.0.link = br-lan +
-lxc.net.0.flags = up +
-lxc.net.0.hwaddr = 00:FF:xx:xx:xx:xx +
- +
-# Disable AppArmor confinement for containers started by non-root +
-# See https://discuss.linuxcontainers.org/t/unprivileged-container-wont-start-cgroups-sysvinit/6766 and +
-# https://discuss.linuxcontainers.org/t/cannot-use-generated-profile-apparmor-parser-not-available/4449 +
- +
-lxc.apparmor.profile = unconfined +
-# Unprivileged containers started by ROOT can use lxc.apparmor.profile = generated +
- +
-/var/lib/lxc/ = ~/.local/share/lxc +
-/var/cache/lxc = ~/.cache/lxc +
-</file> +
- +
-Create container: +
-<code bash>lxc-create -t download -n unifi</code> +
-  * Distribution: ''Debian'' +
-  * Release: ''buster'' +
-  * Architecture: ''amd64''+
  
 +==== Configure mail agent ====
 <code bash> <code bash>
-lxc-start -n unifi +sudo apt-get install msmtp-mta
-lxc-ls -f +
-NAME  STATE   AUTOSTART GROUPS IPV4 IPV6 UNPRIVILEGED  +
-unifi RUNNING 0         -      -    -    true         +
 </code> </code>
  
-<code bash> +See how to configure: [[linux:mail:msmtp]]
-lxc-attach -n unifi+
  
-apt install openssh-server+=== adding own CA cert to controller === 
 +To send e-mails to own SMTP server with self-signed cert. 
 +It is enough to add cert to Debian certifcate store and restart unifi controller.
  
-</code> 
  
 +To add certificate directly to JVM store:
  
-==== Issues ==== +[[https://stackoverflow.com/questions/373295/digital-certificate-how-to-import-cer-file-in-to-truststore-file-using|Digital Certificate: How to import .cer file in to .truststore file using]]
- +
-=== lxc-start: unifi: tools/lxc_start.c: main: 329 The container failed to start ===+
  
 <code bash> <code bash>
-lxc-start -n unifi -l DEBUG -o debug.log +sudo cp cacert.crt /usr/lib/jvm/java-8-openjdk-amd64/jre/lib/security 
-cat debug.log +cd /usr/lib/jvm/java-8-openjdk-amd64/jre/lib/security 
- +keytool -v -import -file cacert.crt -alias my_own_ca -keystore cacerts -storepass changeit
-... +
-lxc-start unifi 20200720135645.187 ERROR    start - start.c:print_top_failing_dir:120 - Permission denied - Could not access /home/unifi/.local. Please grant it x access, or add an ACL for the container root +
-... +
- +
-sudo setfacl -m u:1738400:x . .local .local/share+
 </code> </code>
  
- +<code>/etc/init.d/unifi restart</code>
-=== Error: lxc-create: unifi: confile.c: set_config_net: 261 lxc.net must not have a value === +
- +
-LXC3 is using different config keys. Easiest way is to convert config file: +
-<code bash>lxc-update-config -c default.conf</code> +
- +
-=== lxc-create: unifi: conf.c: chown_mapped_root: 3206 lxc-usernsexec failed: No such file or directory - Failed to open tt === +
-<code bash> +
-sysctl kernel.unprivileged_userns_clone +
-kernel.unprivileged_userns_clone = 0 +
- +
-sudo echo "kernel.unprivileged_userns_clone=1" >> /etc/sysctl.conf +
-sysctl -p +
-</code>+