init is the first actual process (PID 1) spawned during the boot sequence of a UNIX system. Some systems may rely on alternative solutions such as systemd or Upstart (Ubuntu).

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mkinitcpio did not include modules.devname in cpio image

I'm running Arch Linux with a customized kernel. I modified the PKGBUILD from abs, and renamed the package to linux-custom. The PKGBUILD is fine, after installation I could see the modules.devname in ...
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38 views

Bash script to identify which init system the system currently using [duplicate]

I have to create a script that will mount my /usr folder as aufs. I compressed it using squashfs. I've managed to install a working systemd init in ubuntu which I am currently using. Because the ...
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1answer
3k views

Make screen start as Daemon for a Minecraft server

I made a script that runs fine manually, but can't get it to run with the description in How to start a script file on boot?. I have run update-rc.d -f minecraft.start defaults This is what my ...
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2answers
985 views

Switch between runlevel with init command in bash script … init 3 to init 5

I need your help with bash script that I’m trying to build. To keep things simple I will make it short: The script starts running once it’s gets to run level 5 so i copied the script to ...
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2answers
1k 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 ...
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3answers
487 views

Owner of init and xterm

I don't understand what is owner of process. Owner of bash is me. Then who is owner of init and xterm? I searched on google but I can't find.
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1answer
275 views

What does `init [2]` mean in the COMMAND column of ps?

Reading What do the brackets around processes mean? I understand that the executable name is printed. Linux ps man page: Sometimes the process args will be unavailable; when this happens, ps will ...
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1answer
307 views

Why is the restart inittab action asking me for an id?

I am following the NAND firmware update tutorial to try to get my system to run from RAM so I can flash it. I previously had my script running but for some reason unknown to me it is giving me: INIT: ...
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1k views

If computers start counting at 0, why does the init process have a pid of 1?

Not much to put here in the body, the question is self explanatory.
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1answer
398 views

Arch Linux pacman -Syu breaks machine [closed]

Strange things have been going on with arch recently after I installed libreoffice. The first sign was that there were no longer any icons on my desktop. I thought this was strange so I rebooted, ...
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389 views

Solaris 11 - (unix: Could not start init) Program terminated)

During a restart of a server with Solaris 11, the system halted with the following alert: WARNING: exec(/usr/sbin/init) failed with errno 8. (unix: Could not start init) Program terminated. The ...
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2answers
1k views

Sabayon - mysql (and other services) won't start

It's a fresh install of Sabayon Linux. I installed mysql (equo install dev-db/mysql), configured it (emerge --config ...), but it doesn't start using /etc/init.d script: # /etc/init.d/mysql start * ...
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2answers
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init, syslog and stdout/stderr

I'm trying to build an embedded system with linux. (Means very few resources and not much else than busybox.) I'd like to make sure, that everything is going to syslog. I'm using the newest version of ...
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1answer
1k views

How to trick an init script into returning 0

I have a init script which is poorly designed because it does not conform to the Linux Standard Base Specifications The following should have an exit code of 0 if running, and 3 if not running ...
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1answer
682 views

service vs. initctl in Ubuntu

Why are some deamons run out of service and some out of initctl in Ubuntu? Do both tools do the same thing and it is just a matter of personal preference of the user what they will use? E.g. sudo ...
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1answer
288 views

Executing a command after eth0 is available, but before DHCP client

I'm running Debian Weezy on an ARM board. Right now I'm working around an issue with my network driver by running an ethtool command that limits the Ethernet interface to 100 megabit. However, the ...
2
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1answer
723 views

Why can't boot this process at launch?

I have two scripts /etc/init.d/puma_a.sh and /etc/init.d/puma_b.sh with identical configs. I try to set both boot like this, but one of them doesn't load on boot. If I manually launch it from console ...
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1answer
74 views

How do I identify on my system after successful boot. weather it was crash or was it a shutdown or reboot or something else?

Depending on the restart of the system, I need to make my application taking some follow up. my system is get restarted as following: my self as system admin rebooting sudo init 6 or sudo reboot my ...
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1answer
2k views

LinuxMint 14 x64 halts during startup at: stopping samba auto-reload integration

My Lenovo Y500 intel i7 nvidia gt 560m LinuxMint 14 x64 halts during startup at: stopping samba auto-reload integration No error shown. No login prompt. I accidentally executed this in the wrong ...
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3answers
114 views

Is there any way to disable shutdowning remote machine?

I sometimes mistakenly shutdown the remote machine by using sudo init 0, so I wrote something like in one of my rc files: alias sudo='sudo ' if [ $SSH_CLIENT ]; then alias init 'echo Never use init ...
2
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2answers
241 views

How to turn off single user mode on a remote machine?

I have a linux machine that I was accessing remotely and I made the mistake of doing #init 1 which turned off networking on the machine. What is the easiest way to turn networking back on and/or get ...
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1answer
1k views

How to disable respawn for terminal?

In old 5.3 rhel, we used to define the number of terminals and their respawn settings in /etc/inittab file as below. 1:2345:respawn:/sbin/mingetty tty1 1:2345:respawn:/sbin/mingetty tty2 ...
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3answers
4k views

Starting Qt Application On Startup for Embedded Linux

I'm trying to get a Qt application to launch immediately after booting up. When booted, the Linux image does nothing more than launch an X server and a terminal. It also has the cron daemon running in ...
3
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1answer
453 views

Relationship among runlevels and virtual terminals (TTY)

When I switch from rulevel 5 to 3 (with init command) and I press CtrlAltF1 up to F7, I realize that now I’m on TTY1 instead of TTY7 and when I switch back to runlevel 5 I return back to TTY7. Why? ...
3
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1answer
303 views

Rolling your own init: How to shutdown/restart?

After reading this answer, I thought it would be funny to roll my own init on Python, so I wrote this in /init-python. #!/usr/bin/python3 import os import subprocess # Make / writable! ...
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2answers
593 views

When running to a run level does it execute previous run levels?

If I tell my system to go to run level 3 does that mean that it first runs through run level 0, 1, 2, and then finally runs through run level 3? I thought the answer to this question was yes. But ...
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1answer
203 views

Init script partially launches java app

I have a java application that I manage to execute by hand. The application normally opens several ports for local communications (7180 => 7183). Port 7182 serves as a web console and allows me to ...
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1answer
337 views

init: is it a user thread or a kernel thread?

init is the first task executed after kernel is loaded, right? Then who is its owner. also I can see [swapper/0] [swapper/1] ..... [swapper/7] having pid 0 PID PPID CPU TASK ST %MEM ...
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2answers
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Debian init runlevels

It used to be that when you booted most linuxes, you would boot into runlevel 6, unless you did something during the bootloading to change the runlevel,. The process would then look in ...
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2answers
118 views

At init, run my own script instead of the shell

This is purely theoretical but suppose I would like to deploy a linux distribution on many servers. The only solution I can think of would be to create an initramfs with a custom script to perform ...
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1answer
309 views

What are my problems with my VMWare runlevel setup?

I recently upgraded to Debian Wheezy (7) and had to upgrade VMWare Player along with that since the version I had didn't like the 3.2 kernel. However, I notice that the kernel modules aren't starting ...
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2answers
241 views

Once the system has been started, is there any advantage in using systemd?

I'm running Gentoo with the default SysV-style OpenRC init system. The boot time is short enough to not bother me. Is there any reason to try systemd?
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1answer
2k views

How does systemd survive a kill -9?

Between the recent "Why does 'kill -9 0' end my console session" and "How to get a kernel panic" questions, I got a bur under my saddle and tried kill -9 1 on a mostly up-to-date Arch linux laptop. I ...
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1answer
777 views

Why does “kill -9 0” end my console session?

I just wonder why kill -9 0 ends my tty console session? What exactly is PID 0, it is not listed on a ps aux?
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4answers
69k views

What is the difference between reboot , init 6 and shutdown -r now?

I just want to know difference between in reboot init 6 shutdown -r now and which is the safest and the best?
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2answers
781 views

Which script from /etc/init.d/ started the process?

Let's say we have a PID of a process and we know that it was started by init during startup. How do we find the script name that started it? One way is to run grep $PROCESS_NAME /etc/init.d/*, but ...
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1answer
2k views

Kernel panic-not syncing: no init found

When I try to boot up my custom linux from scratch it mounts the root filesystem then I get this message: Kernel panic-not syncing: no init found. I have the init compiled from source and I have the ...
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2answers
4k views

/etc/init.d/script, or /etc/inittab - respawn on die

I have a daemon/service (milter-regex), that is dying. I'm only using it temporarily (A few months), so don't care too much, but I want it to restart when it dies. It is an init.d script. 'service ...
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2answers
641 views

What happens if I set default system runlevel to 0 or 6?

What I understand from runlevels is that in each level some programs have permission to be executed and some don't. runlevel 3 boots system into CLI and runlevel 5 starts the default GUI. But I don't ...
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1answer
804 views

Changing service startup order

I use wpa_supplicant to configure the wireless connection. Now I have a problem in that the network service starts before wpa_supplicant so this happens: Bringing up interface wlan0: Determining IP ...
3
votes
2answers
2k views

autossh in /etc/inittab

I have setup ssh tunnel to be able to connect a target computer behind NAT. I have put the following into /etc/inittab on the computer: tu:2345:respawn:/usr/bin/autossh -M 20000 -f -n -N -T -R ...
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votes
1answer
571 views

inittab '-' character in process field

I have a an inittab file with the following entry: console::askfirst:-/bin/ash According to this Man page a '+' character in the process field means init will not do utmp and wtmp accounting ...
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2answers
1k views

`[java] <defunct>` with defunct children -> Any way to collect them?

Relating to question : What if 'kill -9' doesn't work? I have following situation : zombie process with threads, not collected by init : [root@Arch64]# ps auxH | grep java gwpl 569 ...
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1answer
699 views

Why process wont start in Inittab [duplicate]

Possible Duplicate: Add item to inittab on OpenSuse 12.1 I have the following entry in my /etc/inittab (on OpenSuse 12.1): gp:2345:respawn:/usr/local/gpm/bin/gpsrvd Which won't execute ...
6
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1answer
2k views

How Do I Add My Own Daemons in Arch Linux? (BSD-style init)

I have created a symlink to a start/stop/etc. wrapper bash script in /etc/rc.d, added it to DAEMONS=() in rc.conf, but the process it points to isn’t starting on boot, and isn’t showing up in the ...
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4answers
4k views

Add item to inittab on OpenSuse 12.1

I am currently working on a project which needs to be added to inittab so that the program loads during startup. The program that I am trying to start is a c# mono application. I have created a ...
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1answer
2k views

What will happen if I run the command init in my Ubuntu Gnome terminal?

command init seems to be the first process running after each booting. If I init in my Ubuntu Gnome terminal, will that restart my OS?
3
votes
1answer
820 views

How do systemd and chkconfig interact with respect to services and runlevels?

I recently updated some of our machines to Fedora 17. I have noticed that there are some services that I can configure their runlevels using chkconfig, while others don't appear there at all, and can ...
5
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2answers
421 views

Why is a service being started if it isn't mentioned in /etc/init.d?

After a clean install of Fedora 17 and distcc-server, I did a service distccd start, which completed successfully. man service indicates that it would merely be running the distccd script at ...
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2answers
965 views

How to enable and disable X11 outside of init

We have an embedded version of Meego Linux running on an x86 chip-set that currently uses X11 as the window technology. For various reasons we want to remove X11 from the mix (along with mutter, we ...