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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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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/init can't find /bin/mount, but find / can?

I have trouble, while booting up a linux machine of mine. During the boot phase, while running the /init script it complains about not being able to find mount. My PATH variable is set to /sbin and ...
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systemd : write a .service daemon for setting up swap and fs in zram

I recently acquired a laptop with a ssd and in order not to weigh too much on the ssd (which I was told had a limited number of write cycles), I decided to write a systemd unit file for setting up a ...
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lsb - log_daemon_msg echoes messages in shell console!

#!/bin/sh . /lib/lsb/init-functions log_daemon_msg "this is a daemon s message" On the shell console, it prints, this is a daemon s message A daemon process doesn't have stdout at all. So why ...
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Systemd hangs in Xen Dom0 immediately after switch_root in boot process

I've been trying to set up Xen to work with UEFI and my Arch Linux install (3.18.2) as a Dom0 but have been unable to boot. Of note is the fact that it will boot completely fine otherwise, just not ...
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Difference between telinit and running scripts manually under rc*.d

I was trying to debug my Linux boot process. If I set the default runlevel to 2 or 3, my system hangs without giving me a prompt. I was able to get to runlevel 1 via a kernel parameter, and ran all ...
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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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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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inittab respawn and rc.local

At the moment I have a daemon starting at boot using rc.local by the following line. su -l user -c '/dir/daemon' but I would like to start this process as a service with respawn. I found out that ...
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What is the systemd equvalent to sysvinit 'X-Start-Before'?

Quoted from https://wiki.debian.org/LSBInitScripts. X-Start-Before: boot_facility_1 [boot_facility_2...] X-Stop-After: boot_facility_1 [boot_facility_2...] provide reverse dependencies, ...
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Server won't boot, kernel panic - not syncing

After a reboot of a CentOS 6.2 server we are getting a kernel panic with the following error: Kernel panic - not syncing: Attempted to kill init! Panic occurred, switching back to text console ...
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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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How can I replace root / filesystem with another filesystem?

When the Linux kernel starts up, it uses initrd as the root / filesystem, then replaces that with a filesystem partition in fstab. Based on a test in an early init script, I want to replace that root ...
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(nologin) root and id X re-spawning

Today I faced a strange issue on one of the test server. Server was set to Runlevel 5. But it didnt work and system changed to runlevel 3. It was showing "init: Id "x" respawning too fast: disabled ...
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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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rc.local isn't being executed on custom Ubuntu LiveCD image

I have unpacked an Ubuntu desktop live ISO and squashfs, added some simple commands to /etc/rc.local (touch a file in /tmp, wget a web page from a local server), but it seems that rc.local isn't ...
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“There is a loop between service rc.local and mountnfs-bootclean if started”

So this is the error I receive when I try sudo apt-get upgrade insserv: There is a loop between service rc.local and mountnfs-bootclean if started insserv: loop involving service mountnfs-bootclean ...
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How to boot on a ramdisk?

I'm working on a linux embedded for a custom board with a ARM9 processor. My kernel version is : 2.6.33 I'm trying to boot on a ramdisk, kernel correctly mount the file system but failed to execute ...
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CTRL-ALT-DEL for init 0?

On On my Debian 7 system the Ctrl-Alt-Del is this line below and is by default init 6 ca:12345:ctrlaltdel:/sbin/shutdown -t1 -a -r now But I want to turn for init 0 and not init 6 when I press ...
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Which getty should I use for /dev/tty1 - tty6 text consoles in linux, agetty or something other

I'm configuring LFS linux and I want to select right "getty" for /etc/inittab to handle text consoles /dev/tty1 - /dev/tty6 (the text consoles handled by linux kernel, with output on first display). ...