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8
votes
6answers
1k views

Bash- detect init system

This may have more to do with detecting operating systems, but I specifically need the init system currently in use on the system. Fedora 15 now uses systemd, Ubuntu uses Upstart, while others use ...
13
votes
2answers
18k views

How can I kill a <defunct> process whose parent is init?

Transmission is intermittently hanging on my NAS. If I send SIGTERM, it doesn't disappear from the process list and a <defunct> label appears next to it. If I send a SIGKILL, it still doesn't ...
5
votes
1answer
139 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 ...
17
votes
7answers
13k views

Can root kill init process?

Can root kill init process (the process with pid 1)? What would be its consequences?
7
votes
4answers
3k 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 ...
1
vote
0answers
95 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 ...
62
votes
4answers
25k views

What are the pros/cons of Upstart and systemd?

It appears systemd is the hot new init system on the block, same as Upstart was a few years ago. What are the pros/cons for each? Also, how does each compare to other init systems?
33
votes
4answers
32k 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?
13
votes
1answer
4k views

init process: ancestor of all processes?

I have always learned that the init process is the ancestor of all processes. Why does process 2 have a PPID of 0? $ ps -ef | head -n 3 UID PID PPID C STIME TTY TIME CMD root ...
5
votes
1answer
3k views

How can you get console backgrounds for Arch Linux?

I have tested out openSUSE and found that the tty1 is a bit different from other systems as the tty has got a background. I know that Knoppix has a tux penguin for each core the computer has, but I'm ...
4
votes
2answers
8k views

How to fix boot into initramfs prompt and “mount: can't read '/etc/fstab': No such file or directory” and “No init found”?

Installing a new system using a GPT partitioned disk dedicated to a single partition, ext4 formatted, extlinux (version 4.05) as bootloader, Ubuntu Core version 13.10 amd64 as rootfs, and Ubuntu ...
2
votes
1answer
1k views

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 ...
1
vote
2answers
2k views

Starting Qt Application On Startup for Embedded Linux

I'm trying to launch get a Qt application to launch after 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 ...