systemd, created by Lennart Poettering and Kay Sievers, is a modern replacement for the traditional Linux init, whether System-V or BSD-style initscripts. Its main features include the ability to express dependencies between services and aggressive parallelisation of service startup.

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Teamcity Build Agent gets killed by systemd when upgrading

On our centos system we have configured a teamcity agent as a systemd service. The service works fine except when the agent performs an upgrade. Then it gets killed while performing the upgrade. I ...
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2answers
36 views

Which directories does nginx need access to?

I'm writing a systemd service file for nginx and an internet facing service running as root is a bad idea, however I need nginx to access a certain directory in each user's home directory. e.g. ...
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34 views

CoreOS Systemd sidekick unit unable to start

I have a service with this for a sidekick unit and keep receiving the error: [/run/fleet/units/tomcat-discovery@1.service:11] Trailing garbage, ignoring. tomcat-discovery@1.service has no ExecStart= ...
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0answers
43 views

Setting the MemoryLimit of a user-created systemd scope using cgroups as user

Related: LImiting overall memory usage for child processes Is there a way for an unprivileged user, or for root to allow an unprivileged user, to create a systemd scope (or other control group ...
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29 views

systemd upgrade frozen on “removing any startup links for /etc/init.d/udev-mtab”

I am having an issue upgrading my VPS which runs latest Debian, I decided to switch to testing branch to be able to use OpenSSH 6.7 (the current stable branch only brings 6.0 which lacks many ciphers ...
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1answer
44 views

systemd-journal in Debian Jessie LXC container eats 100% CPU

After creating fresh LXC based on Debian Jessie, on a Ubuntu 14.04, systemd-journal eats all CPU available. lxc-create -n jessie -t debian
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1answer
117 views

What happen if a systemd service reach its MemoryLimit?

Does systemd restart the service or the system just refuse to let the service allocate more memory?
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32 views

SElinux sandbox fails to start from systemd service

I have a server that runs user submitted code, for evaluation. I wrote a systemd service that starts a python application, that application then run the submitted code using SElinux sandbox. The ...
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0answers
33 views

Systemd vs init.d Specify systemd dependencies in LSB headers

I have a systemd based system which contains one System V style init.d script with LSB headers. The init.d script must only be started after all filesystems in fstab are mounted. How can I specify ...
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49 views

Failed at step EXEC spawning /usr/libexec/mariadb-prepare-db-dir

a bit of a newbie here so mind my obliviousness. I'm trying to install mariadb on a fresh Centos 7 server, though upon running "systemctl start mariadb.service" I get this malarkey: Job for ...
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1answer
27 views

How to authorize docker so docker pull can get private images inside a systemd service?

I want docker to pull my private images inside the systemd service, so I authorize it by login into the shell of core user and run docker authorize. However, I can see that when systemd start the ...
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1answer
29 views

Tell systemd to output every command it executes for a unit

I'm trying to run some Docker container on coreos. However, I'm getting some error and is clueless about what went wrong. What I did is to use journalctl -f -u myunit.service to view the log in ...
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1answer
53 views

how to disable serial console after successful boot (systemd/grub2)

I enable the serial console during the boot process on centos7 which uses grub2 and systemd (instead of inittab) I would like to undo that serial input/output at the very end of the boot, after a ...
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1answer
46 views

/etc/auto.master vs /usr/lib/systemd/system/*.automount in centos7

What's the difference/dependency between autofs and systemd automount and declarations in /etc/auto.master versus /usr/lib/systemd/system/*.automount in CentOS 7 ? Do they do exactly the same? If ...
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2answers
58 views

Only start a Docker container after process in other container is operational

I'm trying to deploy 3 Docker containers, having a dependency relation amongst them (A -> B -> C). Now, each container is supposed to run an Akka-Spray instance, on top of a JVM instance. The ...
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1answer
42 views

Centos 7 on Windows Azure, who mounts /dev/sdb? (systemd)

I need to find out which systemd service mounts /dev/sdb (aka /mnt/resource) on Windows Azure? I am using Centos 7 image and it is systemd-based and I am trying to launch a service that depends on ...
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0answers
169 views

Error missing systemd on AWS server

I cant seem to figure out how to install systemd. I am attempting to upgrade mysql server on AWS from 5.5 to 5.6. I am getting the following error when trying to install- "Requires: systemd" Any ...
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142 views

Ubuntu 14.10 systemd fails to start network

Most of the time systemd fails to start because ifup@eth0 task fails. But I can see from logs that is actually succeeds and gets IP address. Nov 11 21:32:21 vostro dhclient[414]: DHCPACK of ...
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1answer
37 views

systemd out of control starting service

I am trying to get a CoreOS system up and running stably on Microsoft Azure and am almost there. My only problem now is that systemd seems to be out of control with regard to starting etcd and fleet. ...
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172 views

systemd user units and debian wheezy

I'm running a debian wheezy server and switched to systemd by installing systemd-sysv. So far everything works as before. Now I want to allow users to run/ manage their own units/ daemons with ...
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36 views

How can a systemd unit propagate stop to a dependent unit, when dependency is generic to owner

For simplicity, lets consider my-wiki@foo.service and my-datastore@foo.service. Unit my-datastore@.service stereotypes instantiation of a datastore, and is intended to be instantiated by another ...
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1answer
1k views

dist-upgrade from Debian 7 (wheezy) to 8 (jessie) results in 'Failed to execute operation' errors

After upgrading Debian 7 (wheezy) to 8 (jessie), any system critical action results in one of the following messages appearing: Failed to execute operation: Activation of org.freedesktop.systemd1 ...
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1answer
66 views

Forward systemd journal messages/Collect systemd journal messages

How can I collect systemd journal events (pull) or forward systemd journal events (push)? I want to have something like forwarded event log ...
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1answer
93 views

Gracefully logout all connected ssh users on reboot

When I reboot my Linux server (BusyBox Linux) all ongoing ssh client connections run into a stucked state until a timeout on client side occurs. There is no message sent to the ssh client to produce a ...
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510 views

Installing, configuring and running mariadb in foreground on Centos 7 via docker without systemd or services

Under CentOS 7, I understand we're moving from mysql-server to implementation-compatible MariaDB. I'm using a docker image of centos:latest, which puts me under the auspices of Centos 7. mysqld_safe ...
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1answer
92 views

Get command return in systemd service file as in Shell script

I have a CoreOS cluster in which i have a SystemD service that just run a Docker container. However, for flexibility purpose, i want the Docker Registry the container gets pulled from to be discovered ...
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395 views

Convert an fstab entry to a systemd mount unit on CoreOS

I want to convert the following fstab entry to a systemd mount unit on CoreOS, /dev/xvdb /data ext4 defaults,auto,noatime,noexec 0 0 I created data.mount, [Unit] Description=MongoDB Data Directory ...
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1answer
27 views

What kinds of configuration can prevent a network interface from seeing traffic?

I have two ethernet adapters on my Debian system, eth0 on my local network statically assigned to 192.168.2.1, and eth1 with a dynamic IP connected to the internet. I know this setup works, because ...
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1answer
464 views

Increasing nproc for processes launched by systemd on CentOS 7

I have successfully increased the nofile and nproc value for the local users, but I couldn't find a proper solution for the processes launched by systemd. Adding max_open_files to the MariaDB ...
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1answer
45 views

Set environment variable only if it is empty

I'm designing a systemd service file for some plugin. I need to include two environment files there: first for the main program (let it be main.env), second — for the plugin (plugin.env). The plugin ...
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2answers
124 views

give privilege to users to start a systemd service [closed]

I would like to allow all users (or maybe only some of them but all would already be good) to be able to start/stop a specific systemd service. I found the following solution #include ...
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267 views

Separating java stdout and stderr with systemd and without filling journal

I am running java apps via systemd: [Unit] Description=test service [Service] Type=simple EnvironmentFile=/etc/sysconfig/testserver WorkingDirectory=/opt/testserver ExecStart=/usr/bin/java -jar ...
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1answer
572 views

How to start and stop a systemd unit with another?

I am using CoreOS to schedule systemd units with fleet. I have two units (firehose.service and firehose-announce.service. I am trying to get the firehose-announce.service to start and stop along with ...
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1answer
243 views

Ubuntu 14.04 UWF for iptables

Can I still use the init.d iptables stop? It seems that init.d is replaced by systemd. Is that correct? The iptables is part of the kernel right and not a service. On redhat based systems it is a ...
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2answers
333 views

How to properly use kexec with systemd on CentOS 7?

I want to use kexec to speed up reboots of my CentOS 7 machine. How can I do that in a way that nicely integrates with existing shutdown/reboot systemd targets? What's the proper (official) way to do ...
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1answer
43 views

Dynamic dependencies in systemd

I am trying to figure out how to specify dynamic dependencies for systemd that are specific to the current instance@. In the [Service] section I can use EnvironmentFile= to load in variables using the ...
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1answer
197 views

How to sequence a proper shutdown and startup of web services with systemd?

I am trying to structure the shutdown and startup of Apache, PHP-FPM and MariaDB services using systemd: These are the additional configuration files in /etc/systemd/system folder: # httpd.service ...
3
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1answer
128 views

How can I set the environment value which is begin from a single quote in systemd

I've tried to set following in my systemd's service file Environment=SETTINGS=\'{"a"=1}\' But seems that both the single quotes are been removed, so I get {"a"=1} as the value for the environment ...
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1answer
717 views

How to set systemd service dependencies?

During CentOS 7 system boot nginx start fails with the following error: 2014/08/04 17:27:34 [emerg] 790#0: bind() to a.b.c.d:443 failed (99: Cannot assign requested address) I suspect this is ...
6
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1answer
531 views

is there a way to see the execution tree of systemd?

What I mean under the question is: is there a way to dump the ordered list (like pstree does for processes) to see how systemd executed the supplied set of units, i.e. the tree after the dependencies ...
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0answers
672 views

How to debug why systemd is idling and is not going on with the boot process?

I am trying to create a PV instance for AWS EC2. The template VM is based on CentOS 7, which is using systemd. The disk layout is two partitions: /boot (/dev/xvda1) and LVM2 (/dev/xvda2). The root ...
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1answer
36 views

Configuring systemd to restart timed-out processes

We have a fairly complex systemd service with Type=notify. Very occasionally, the service will hang on startup/restart, and enter the failed state after systemd failes to receive a sd_notify call. We ...
2
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0answers
114 views

Can I make systemd show service status after starting or stopping a service?

I am trying to get systemd to do what init.d scripts would do, showing the status of a service automatically after being manually given a command to start or stop. Is this somehow possible? systemd ...
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2answers
572 views

Systemd exits from bash scripts that execute commands that result in failure, instead of continuing

I'm trying to get a script that pushes up my system log on CoreOS to logentries. To compensate for the fact that instances don't have internet connectivity right away when being spun up on AWS I've ...
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2answers
533 views

CoreOS Fleet Unit file and Docker Dynamic Port issue

I am currently trying to get a dynamic port so I can register it with etcd on CoreOS. This is proving very difficult. Here is my Unit file [Unit] Description=test Elastic Search Server ...
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2answers
362 views

ec2 systemd unable to mount nfs on boot and it times out

I'm running latest version of Red Hat Enterprise Linux Server release 7.0 (Maipo): [root@ip-10-184-161-46 ~]# cat /etc/redhat-release Red Hat Enterprise Linux Server release 7.0 (Maipo) ...
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4answers
486 views

Changing the I/O scheduler for a specific disk

I would like to change permanently the I/O scheduler for a specific disk on Fedora 20. According to what I have found, this can be achieved by executing the following shell line as root: echo ...
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1answer
354 views

Is it better to use the systemd service unit's Restart & RestartSec, or use a systemd timer unit?

I have a couple of in-house automated scripts running at periodic intervals. One is every five minutes, the other is every minute. They don't really need to be ran on-the-dot; e.g. I don't care if ...
2
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0answers
140 views

runnning systemd without PrivateTmp, PrivateNetwork and PrivateDevices (in docker - unprivileged mode)

I am happily running systemd inside a docker container, however, it requires CAP_SYS_ADMIN in order to dynamically create private tmp mounts. I have attempted to disable the PrivateTmp, ...
3
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1answer
240 views

ZFS on LUKS not recognized at boot

I've got 6 physical drives in RAID-Z2, which I intend to one-by-one convert to dm-crypt devices. My process was roughly: dd if=/dev/zero of=/dev/sdf Create keyfile /etc/crypttab.d/crypt-1.key ...