** Changed in: nginx (Ubuntu)
Status: New => Incomplete
** Also affects: openssl (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1835464
Title:
nginx service fails after libssl update due to low entropy at boot
Status in nginx package in Ubuntu:
Incomplete
Status in openssl package in Ubuntu:
New
Bug description:
After updating libssl and related packages, nginx will no longer
autostart at system boot.
Immediately after boot, nginx.service is in a failed state.
# service nginx status
● nginx.service - A high performance web server and a reverse proxy server
Loaded: loaded (/lib/systemd/system/nginx.service; enabled; vendor preset:
enabled)
Active: failed (Result: timeout) since Fri 2018-08-24 21:27:51 UTC; 32min
ago
Docs: man:nginx(8)
systemd[1]: Starting A high performance web server and a reverse proxy
server...
systemd[1]: nginx.service: Start-pre operation timed out. Terminating.
systemd[1]: nginx.service: Failed with result 'timeout'.
systemd[1]: Failed to start A high performance web server and a reverse proxy
server.
The service can be manually started after boot.
# service nginx start
# service nginx status
● nginx.service - A high performance web server and a reverse proxy server
Loaded: loaded (/lib/systemd/system/nginx.service; enabled; vendor preset:
enabled)
Active: active (running) since Fri 2018-08-24 22:02:06 UTC; 2s ago
Docs: man:nginx(8)
Process: 2704 ExecStart=/usr/sbin/nginx -g daemon on; master_process on;
(code=exited, status=0/SUCCESS)
Process: 2703 ExecStartPre=/usr/sbin/nginx -t -q -g daemon on;
master_process on; (code=exited, status=0/SUCCESS)
Main PID: 2705 (nginx)
CGroup: /system.slice/nginx.service
├─2705 nginx: master process /usr/sbin/nginx -g daemon on;
master_process on;
└─2706 nginx: worker process
systemd[1]: Starting A high performance web server and a reverse proxy
server...
systemd[1]: nginx.service: Failed to parse PID from file /run/nginx.pid:
Invalid argument
systemd[1]: Started A high performance web server and a reverse proxy server.
This happens on an ARMHF based microcontroller running ubuntu 18.04.2 raspi
server distribution with a stock kernel.org 4.9-181 kernel.
Ubuntu repositories are not accessible from the device, so packages
are copied to the device, and apt install is used to upgrade them:
apt install --no-install-recommends $dir/updates/system/*.deb |
logger 2>&1
The following is a list of packages that, when upgraded, cause the nginx
systemd service to fail to autostart at boot.
201,205c201,205
< ii libpython2.7:armhf 2.7.15-4ubuntu4~18.04 armhf
Shared Python runtime library (version 2.7)
< ii libpython2.7-minimal:armhf 2.7.15-4ubuntu4~18.04 armhf
Minimal subset of the Python language (version 2.7)
< ii libpython2.7-stdlib:armhf 2.7.15-4ubuntu4~18.04 armhf
Interactive high-level object-oriented language (standard library,
version 2.7)
< ii libpython3.6-minimal:armhf 3.6.8-1~18.04.1 armhf
Minimal subset of the Python language (version 3.6)
< ii libpython3.6-stdlib:armhf 3.6.8-1~18.04.1 armhf
Interactive high-level object-oriented language (standard library,
version 3.6)
---
> ii libpython2.7:armhf 2.7.15~rc1-1ubuntu0.1 armhf
Shared Python runtime library (version 2.7)
> ii libpython2.7-minimal:armhf 2.7.15~rc1-1ubuntu0.1 armhf
Minimal subset of the Python language (version 2.7)
> ii libpython2.7-stdlib:armhf 2.7.15~rc1-1ubuntu0.1 armhf
Interactive high-level object-oriented language (standard library,
version 2.7)
> ii libpython3.6-minimal:armhf 3.6.7-1~18.04 armhf
Minimal subset of the Python language (version 3.6)
> ii libpython3.6-stdlib:armhf 3.6.7-1~18.04 armhf
Interactive high-level object-oriented language (standard library,
version 3.6)
225c225
< ii libssl1.1:armhf 1.1.1-1ubuntu2.1~18.04.2 armhf
Secure Sockets Layer toolkit - shared libraries
---
> ii libssl1.1:armhf 1.1.0g-2ubuntu4.3 armhf
Secure Sockets Layer toolkit - shared libraries
272c272
< ii openssl 1.1.1-1ubuntu2.1~18.04.2 armhf
Secure Sockets Layer toolkit - cryptographic utility
---
> ii openssl 1.1.0g-2ubuntu4.3 armhf
Secure Sockets Layer toolkit - cryptographic utility
282,283c282,283
< ii python3.6 3.6.8-1~18.04.1 armhf
Interactive high-level object-oriented language (version 3.6)
< ii python3.6-minimal 3.6.8-1~18.04.1 armhf
Minimal subset of the Python language (version 3.6)
---
> ii python3.6 3.6.7-1~18.04 armhf
Interactive high-level object-oriented language (version 3.6)
> ii python3.6-minimal 3.6.7-1~18.04 armhf
Minimal subset of the Python language (version 3.6)
nginx is used primarily as an https front-end for web services on the device.
libssl is the core dependency for all of the packages in the group
that, when upgraded, causes nginx to fail.
The nginx configuration includes the following SSL settings:
http {
##
# SSL Settings
##
ssl_protocols TLSv1 TLSv1.1 TLSv1.2; # Dropping SSLv3, ref: POODLE
ssl_prefer_server_ciphers on;
}
server {
listen 443 ssl;
ssl_certificate /etc/certs/cert.crt;
ssl_certificate_key /etc/certs/cert.key;
ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
ssl_ciphers HIGH:!aNULL:!MD5;
}
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