8
votes
2answers
214 views

How can I find available network interfaces?

This is in regard to linux, but if anyone knows of a general *nix method that would be good. I booted a system yesterday with an ethernet cable plugged in. "NetworkManager" is not installed, so once ...
0
votes
1answer
75 views

Debian and Systemd: breaking ordering cycle error

I'm a new embedded developer I'm trying to make systemd 37 work with freescale vybrid board (A5 and M4) running on linux-3.0 After boot with some breaking ordering cycle error, I check with ps ...
2
votes
1answer
56 views

Check `fsck` automatically

I need to run fsck so that it automatically fixes problems (i.e., fsck -y). And because I am using "systemd" instead of "init" in the linux system, I cannot modify the /etc/default/rcS. So what ...
1
vote
1answer
73 views

Convenient way to check if system is using systemd or sysvinit in BASH? [duplicate]

I am defining common bash files which I want to use across different distributions. I need a way to check if system is using systemd or sysvinit (/etc/init.d/). I need this so I run appropriate ...
1
vote
2answers
83 views

Writing own daemon. systemd error: Failed to read PID from file: Invalid argument

I'm trying to write own daemon a la very simple MPD (it's operating systems laboratory work). I made it work: it starts like a daemon (output of ps): 1 14877 14877 14877 ? -1 Ss 0 ...
2
votes
0answers
50 views

How to use systemd hybrid-sleep instead of suspend under GNOME in Linux? [closed]

How can I make GNOME 3 use systemd hybrid-sleep instead of suspend, when closing the lid or using suspend from the menu?
5
votes
0answers
73 views

Why are cgroups mapped differently on these two systems by systemd

I have two systems, both running customized variants of OpenSuSE 12.2 (Mantis), both running exactly the same kernel. I get two very different outputs of /proc/self/cgroup or /proc/$$/cgroup on the ...
1
vote
0answers
89 views

How to determine which init system is used? [duplicate]

Is there a way to determine which init system is being used in Linux? (such as sysvinit, upstart, systemd, etc.) I don't care if it can be programmatically determined, I just want to know how I can ...
0
votes
2answers
135 views

How to delete (not disable/mask) a unit in Systemd?

Sometimes I make a new unit in mistake, and then I have to go to /etc/systemd to look for the unit and delete all of its associated files/scripts/links/etc. Is there a better way? Like a single ...
1
vote
0answers
60 views

What are the systemd command line options “--switched-root” and “--deserialize”?

Doing a ps on my Linux box shows that systemd runs with the command line options --switched-root and --deserialize. Nothing in the man page or /usr/share/doc/systemd mentions them, and Google hasn't ...
2
votes
0answers
172 views

How to add a dependency to a systemd.mount that is activated by /bin/mount?

I want systemd on mount /mnt/test to automatically call a program (in real life cryptsetup to unlock the underlying device, for testing here echo) before the file system is mounted and after it is ...
2
votes
1answer
196 views

systemd - umount device after service which depends on it finishes

I'm trying to implement a mechanism of automated backup using udev rules and systemd. The idea is to launch a backup routine upon hot-plugging a specific storage device, quite similar to this ...
1
vote
0answers
465 views

Not working udev rule with systemd-udevd on Fedora 19

I would like to play with IOIO on my Fedora 19, so I installed the udev rule as the documentation tells, in /etc/udev/rules.d/50-ioio.rules: ACTION=="add", SUBSYSTEM=="tty", SUBSYSTEMS=="usb", ...
1
vote
0answers
220 views

How do I run Gnome from a systemd-nspawn container in a second X server?

I'm using systemd-nspawn to "boot" a second Linux OS from a USB hard disk. I'd like to launch that OS's Gnome Desktop in a second X server running on the same machine on a different tty than the ...
1
vote
3answers
2k views

How to mount aufs file system on boot in archlinux?

I want to use aufs to combine a few disks.I am able to mount the aufs file system using the mount command from the command line. However, when trying to mount the same through an fstab entry, it ...
0
votes
1answer
78 views

Systemd: keep forked process alive when service is stopped

I have a systemd service which forks some child processes. In one scenario I start a shell script which is supposed to stop the service which actually started the script. When I call systemd stop ...
3
votes
1answer
223 views

How to create rootfs for user mode Linux on Fedora 18?

I want to create a rootfs to be used with an UML kernel and be able to use the internet. I was using febootstrap with packages: bash, coreutils, net-tools, iputils. After using ...
5
votes
1answer
1k views

Why is systemd-coredump storing the dump in memory itself?

I just noticed that most of my memory was hogged by coredump of a few processes that I had killed recently. I had a systemd-coredump process running for each crashed process (usually the processes ...
2
votes
2answers
2k views

How do I configure systemd to activate an encrypted swap file?

My previous question produced the commands to add an encrypted swap file: # One-time setup: fallocate -l 4G /root/swapfile.crypt chmod 600 /root/swapfile.crypt # On every boot: loop=$(losetup -f) ...
5
votes
1answer
408 views

What is the correct way to write a udev rule to stop a service under systemd

I'm running Arch Linux, and I have a udev rule which starts a service when a device is inserted. In this case, it dials a connection when a 3G modem is plugged in. KERNEL=="ttyUSB*", ...
1
vote
0answers
271 views

How to write a systemd script that runs usb_modeswitch and connects to the internet at startup?

I have a cisco AM10 wireless adapter and every boot, I need to run usb_modeswitch -v 1307 -p 1169 -L -I -u -l to get it to function as an adapter. Then I have to run a netcfg profile to connect to ...
3
votes
0answers
88 views

Restricting D-Bus access to the logged-in user via ConsoleKit or systemd

I need to restrict the client of a D-Bus service to only the user logged into the system locally, via ConsoleKit or systemd. How must I configure or write the D-Bus service to do so?
2
votes
1answer
517 views

systemd failure on binfmt services

Systemd has several failed services, and I don't know how to work it out: # systemctl --failed UNIT LOAD ACTIVE SUB JOB DESCRIPTION proc-sys-fs-binfmt_misc.automount ...
7
votes
1answer
2k views

How to get fewer ttys with Systemd?

In the old days I just modified /etc/inittab. Now, with systemd, it seems to start tty[1-6] automatically, how should I disable tty[4-6]? Looks like there's only one systemd service file, and it use ...
1
vote
1answer
311 views

How to start a webserver with systemd?

I copied this this file (vokabel_daemon.service) [Unit] Description=Start vokabeltrainer daemon After=network.target [Service] ExecStart=/home/mm/lib/vokabeltrainer/box_vokabeltrainer.pl daemon ...
8
votes
3answers
4k views

How to run a script with systemd right before shutdown?

What do I need to put in the [install] section, so that systemd runs /home/me/so.pl right before shutdown and also before /proc/self/net/dev gets destroyed? [Unit] Description=Log Traffic [Service] ...
1
vote
2answers
217 views

Creating one-time cgroup

I would like to be able to create a one-time temporary group in hierarchy. For example: #!/bin/sh run_with_csubgroup /sys/fs/cgroup/group/subgroup/ Which creates group say ...
6
votes
3answers
1k views

Is there a way to speed up boot time by loading things into RAM immediately?

I'm looking to lower my boot time by whatever means possible. I have about 8GB of RAM in my laptop, and if there's any way I could leverage that into faster boot time, that'd be awesome. Is there a ...