the startup sequence, from the time the kernel goes live to when all services are up and running

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41
votes
1answer
16k views

What should/shouldn't go in .zshenv, .zshrc, .zlogin, .zprofile, .zlogout?

The title says it all. I'm looking for guidelines on what one should and should not include in the various startup files for zsh. I understand the order of sourcing of these files, and the ...
34
votes
3answers
74k views

How do services in Debian work, and how can I manage them?

In Windows I have the services manager, where I see all system services, that can be started through Windows itself, I set up the user it uses, the rights management is in there, and I can pass ...
30
votes
4answers
2k views

What exactly does init do?

I am creating a linux distro and now I need an init program. I can code in c really well and I know quite a bit about linux (not much but I've been using arch linux for development for 4 years), so I ...
21
votes
7answers
29k views

Start tomcat at startup with administrative privileges

I need one process run before log in to system. How to run it like services? how do I make services in Linux? In Ubuntu and Fedora? The service is customized tomcat
17
votes
2answers
40k views

What's the difference between /etc/rc.local and /etc/init.d/rc.local?

I want to add a permanent iptables rule to my new VPS, and after brief google search i was surprised that there are two places this rule can be added, that seems like identical: /etc/rc.local and ...
17
votes
5answers
27k views

Stop program running at startup in Linux

How do I stop a program running at startup in Linux. I want to remove some apps from startup to allow them to be managed by supervisord e.g apache2
16
votes
4answers
34k views

Purpose and typical usage of /etc/rc.local

The header looks like this: #!/bin/sh -e # # rc.local - executed at the end of each multiuser runlevel # # Make sure that the script will "exit 0" on success or any other # value on error. What is ...
15
votes
2answers
19k views

i3wm : start applications on specific workspaces when i3 starts

How can I start applications on specific workspaces in i3 when it starts? Why is this not working in my config file? : workspace 1; exec firefox; workspace 2; exec chromium; workspace 1
13
votes
4answers
16k views

How can I run a script that starts before my login screen?

I was calibrating my touch screen, and saw that the best tool around was xinput_calibrator. So I used it. It have two options (one of which did not work), so I am here for the second. It says I should ...
10
votes
3answers
1k views

Boot into a chroot?

I have Linux (Debian Jessie) installed on a hard drive. Drive - sda1, ext4fs, and sda2 - swap I have a /chroot folder. There is installed another system, in /chroot folder. Question: How to tell ...
9
votes
4answers
37k views

How to auto-start a service (apache2) with Linux Mint

(Strangley) My installed Apache2 does not start up when logging in to Linux Mint. Running this command gets it going: sudo service apache2 start How should I attempt to start up this service upon ...
9
votes
5answers
4k views

On Linux, is there an rc.local equivalent for shutdown?

I've got a few commands that I run in rc.local so they are run last in the startup sequence. I would like to know if there is a similar facility for undoing the results of those commands at shutdown, ...
9
votes
1answer
2k views

How is /etc/fstab accessed before root is mounted?

I was making some changes to /etc/fstab, when this chicken and egg question occurred to me - if /etc/fstab contains the instructions for mounting the file systems, including the root partition, then ...
9
votes
1answer
14k views

How to find out in which order /etc/init.d scripts are load on Debian?

I want to run one sysvinit script before another and figured out how to do that. To make sure, this actually happens in the the order I like, I would like to see a list, in which order that happens. ...
8
votes
3answers
4k views

What are the minimum root filesystem applications that are required to fully boot linux?

It's a question about user space applications, but hear me out! 3 'applications', so to speak, are required to boot a funcitonal distro of Linux: Bootloader - For embedded typically that's U-Boot, ...
8
votes
4answers
5k views

Why do I need initramfs ?

I found that if I choose jffs or sd as file system(and not initramfs),the kernel size is very small (1.4 MB as compared to with initramfs-3.4MB). It shows that initramfs takes concidreably large ...
7
votes
4answers
5k 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 ...
7
votes
3answers
16k views

How to start a script file on boot?

I am running a stupid little minecraft server. I want Lubuntu to execute the following script when the server boots up. NOT on login, and NOT on restart (unless it's starting up of course). The ...
7
votes
1answer
9k views

How do I start a virtual machine in background upon OSX system start?

I have a virtualbox machine on a OSX 10.9.2 host. I do not want to open VirtualBox everytime and start the machine there. Also, I do not need the the screen output as I will just ssh from OSX terminal ...
7
votes
2answers
6k views

How do I start Xvfb on startup on Debian?

I’ve got a Debian web server that I’m using for occasional screen-scraping via Selenum and Python. I use Xvfb as a virtual X server for Firefox to run on when being controlled by Selenium. Given that ...
7
votes
3answers
16k views

Running a script during booting/startup; init.d vs cron @reboot

I am currently trying to understand the difference between init.d and cron @reboot for running a script at startup/booting of the system. The use of @reboot (this method was mentioned in this forum ...
7
votes
2answers
21k views

How to start an application automatically on boot

I am new to Linux & looking forward to start application (which toggles a led every 10 sec). I have written the application program & it is working fine but now I want to start it ...
7
votes
1answer
15k views

Create and control start up scripts in BusyBox

I have compiled a custom linux kernel in BusyBox. BusyBox init does not support runlevels. When the kernel boots up in BusyBox, it first executes init which looks for the specified runlevel in ...
6
votes
2answers
1k 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 ...
6
votes
2answers
5k views

Is there an easy way to create a FreeBSD rc script?

I have a FreeBSD jail in which I run a server using the command: /usr/sbin/daemon /path/to/script.py At the moment I have to run this command every time I restart the machine and the jail starts. ...
6
votes
1answer
6k views

Disable atd (and other unnecessary startup processes) in Ubuntu?

I just spun up a new 12.04 server and have been having a bit of trouble getting the atd daemon to stop auto-launching. There's been a bit of changing around on the management of startup processes, ...
6
votes
1answer
286 views

Is there a standard way to have a program start when a user logs in on Linux?

Is there a standard way to make a program start when a user logs in? On Ubuntu, for example, you can place a .desktop file in ~/.config/autostart and the application will launch on startup. Does ...
6
votes
3answers
3k views

Why won't my xmodmap command run on startup/login?

I want to run this command every time I log in (or every time I start up, if that doesn't work): xmodmap -e 'keysym Delete = Menu' -e 'keysym Menu = Delete' I've tried many things. I put the command ...
6
votes
2answers
4k views

How to change timeout in systemctl

When I boot on my debian, startup hangs for approx 2 minutes on the line: Loading, please wait... [ 5.191043] systemd-fsck[129]: /dev/mmcblk0p2: clean, 234192/873120 files, 2335263/3491328 blocks ...
6
votes
3answers
3k views

How do I start a screen session using an upstart job with a non privileged user?

I have struggled with this problem for two days and have tried many things to fix it to no avail. I'm hoping you guys can help me out. I am trying to create an Upstart job that starts a new screen ...
6
votes
0answers
145 views

How to pause (or capture) the messages that fly by at the end of startup sequence?

Towards the end of the "startup sequence"1, I see a longish series of diagnostic messages fly by very quickly, right before I see the login prompt2. AFAICT, most, if not all, of the lines making up ...
6
votes
2answers
942 views

What is causing a pause during the system device probe?

I am running FreeBSD 10.0-RELEASE. During the boot device probe there is a two-times 30 second pause. The output relevant to this is # dmesg ... (aprobe0:ata0:0:1:0): ATAPI_IDENTIFY. ACB: a1 00 00 ...
5
votes
2answers
15k views

Automate modprobe command at boot time on Fedora

My distribution is Fedora 17 Gnome. Every time I reboot/restart my computer I need to run this command as root: modprobe rt2800usb How can I make it permanent?
5
votes
6answers
28k views

Run a sh file on machine boot up

I am quite new to linux and want to know what to be done to launch a .sh file on machine startup basically i have a server machine with linux OS on it and want to run some jboss application when ...
5
votes
4answers
11k views

Arch Linux run script a minute after boot

I have set up a bridge between eth0 and wlan0 with netctl. It works fine if I tell it to configure eth0 and wlan0 at startup and then for me to manually start the bridge after it boots. If I tell the ...
5
votes
1answer
7k views

start mysql server at boot for debian

I am using Debian Etch and I have following this and tried to write a script like this to auto start mysql server at boot: #! /bin/sh # /etc/init.d/blah # # Some things that run always sudo ...
5
votes
5answers
313 views

How to disable graphical shell?

I have a Linux system (Ubuntu) running in a VM, but now I want to disable the graphical shell. Where in the startup process are the graphical components launched? Is it some run-level dependent ...
5
votes
4answers
622 views

Mount filesystems after boot to avoid fsck delay for sshd

I'm trying to optimise the overall downtime and improve availability in case of system failure. I'm specifically concerned about the reboot (e.g. after a kernel panic) taking so long that I don't ...
5
votes
2answers
6k views

How to start VNC server on start-up in Ubuntu 10.04

I've been struggling with this long enough to ask yet another startup script question. I've got a startup script that is relatively simple, ie: ### BEGIN INIT INFO # Provides: startVNC # ...
5
votes
1answer
4k views

rc.local - not all commands are executed

I have following lines in my rc.local #!/bin/sh -e # # rc.local # # This script is executed at the end of each multiuser runlevel. # Make sure that the script will "exit 0" on success or any other # ...
5
votes
4answers
9k views

Run Python script on startup

Running on Ubuntu Karmic. I need to execute the following (updated) script at boot time #!/bin/sh # /etc/init.d/scripts # Description: Starts Python scripts # ————————————————– # ### BEGIN INIT INFO ...
5
votes
1answer
7k views

service to start on boot doesn't work with update-rc.d comand

I have installed redis server on my ubuntu based server, so I can start/stop/restart redis server, the redis_server.sh is already in the /etc/init.d. Now I want to make redis start on boot, I ...
5
votes
2answers
3k views

How can I make Debian run m python script at startup?

I have this script in my home folder (pi): server.py. How could I make Debian run this script at startup so I dont need to log in and to i manually?
5
votes
2answers
436 views

Trigger an init script when a specific device is up and a kernel module has been loaded

On my ubuntu 12.04 servers, I need to write an init.d script that waits until the infiniband interface (device: mlx4_0, interface: ib0) is completely up, and until the knem kernel module is loaded. ...
5
votes
1answer
3k views

When would you use pivot_root over switch_root?

I'm wanting to understand the Linux init process better in order to netboot a system over ceph rather than nfs. In the process I've come across two forms of switching root. One called switch_root, ...
5
votes
3answers
318 views

Do I *need* `exit 0` at the end of `rc.local`?

What is the purpose of the exit code in rc.local? I seem to execute just fine without it. The header shows: #!/bin/sh -e # # rc.local - executed at the end of each multiuser runlevel # # Make sure ...
5
votes
2answers
5k views

How to change the default TTY after boot?

Normally when system starts you have all output printed on the TTY1, and that's ok, but I start X-server via startx and achieve this by the following lines in the ~/.profile file : if [[ $(tty) = ...
5
votes
2answers
6k views

How can I start Apache on Arch Linux w/systemd using passphrase protected SSL keys?

I'm relatively new to using Arch Linux and think I must be missing the obvious way to do this correctly, but –short of starting the daemon on my own– I can't figure out how to get passphrase protected ...
5
votes
2answers
1k views

How to permanently disable root-password prompt for recovery mode, RHEL7

Note: I asked a similar quesiton concerning version 6 of these bundles here. Note that 7 uses systemd and may have a different implementation In the rare cases that a RHEL or CentOS 7 system is ...
5
votes
1answer
2k views

rc.local with read will not echo key strokes

I'm using CentOS 6.4 and have a small problem with using read in /etc/rc.local file. It will allow keyboard entry but does not echo any of the key strokes during input. This is something that worked ...