Booting is the initial set of operations that a computer system performs when electrical power is switched on. The process begins when a computer that has been turned off is re-energized, and ends when the computer is ready to perform its normal operations.

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Ubuntu 13.04 instance crash: how to debug?

We're running a server on Ubuntu 13.04 which crashes quite randomly (the instance itself crashes, not the apache2 component). I've enabled # Run bootlogd at startup -> BOOTLOGD_ENABLE=Yes , but ...
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2answers
195 views

Find the reason of why does Sunfire V100 (SunOS 5.9) server not start

I have a Sunfire V100 (SunOS 5.9) server which was working fine till 14th February 2014. After that day we can not access this server. Today I was able to connect server through a console and I got ...
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3answers
103 views

Attaching SATA device disturbs boot order

I'm running a Supermicro X7DCA board in a NAS server. Whenever I plug in a sata disk the boot sequence goes out of order. This is a problem, because it is running headless. I've had this problem ...
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1answer
58 views

Xen doesn't boot after install [closed]

I tried to setup Xen by the instruction released on the site of my hoster. I installed Xen, completed RAID setup as it is told in the instruction. Rebooted and succesfully connected to Xen from ...
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1answer
176 views

PowerEdge 2850 boot issue due to lost raid config

I have an older dell PowerEdge 2850 that has a boot issue when the server boots it comes up with the error pxe- e53 no boot filename received. I believe the raid card and memory where pulled and as ...
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2answers
3k views

Ubuntu 13.10 - How to disable LVM and cryptsetup? cryptsetup: evms_activate is not available

I am trying to remove whole drive encryption from my Ubuntu installation. I've run Ubuntu from Live CD, mounted crypt partition and copied it to another partition /dev/sda3. sudo cryptsetup luksOpen ...
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1answer
255 views

Why or who did reboot my server

One of our servers rebooted last night reboot system boot 2.6.32-5-amd64 Wed Jan 15 03:24 - 16:07 (1+12:42) Our hoster didn't do it, nor did I. syslog does not show any error Jan 15 03:17:01 ...
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0answers
165 views

CentOS hangs on boot after watches established

CentOS can not boot and hangs after Setting up watches. I saw the following in verbose boot. But It will boot into single user mode. CentOS 6.5 X64 any ideas to fix this please? Starting crond ...
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1answer
68 views

ESXI cannot boot with external hdd [closed]

I've tried to make ESXI vm's to boot up automatically when a reset happened to ESXI host(HP dl380), and I've got an external H.D.D connected to it for backup purpose but the problem is that ESXI ...
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1answer
108 views

Unable to mount the file system from server to client while booting through network

I want a client which loads kernel and file system from the server through network. Till now, On server side, i changed the settings in /etc/dhcp/dhcpd.conf to get an ip-address to the client. After ...
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2answers
507 views

How do I fix my server to boot properly after removing / adding a drive on my mdadm software RAID

I configured a RAID-5 array for a data partition mounted on /mnt/data. My system is not booting on it (/ and /boot is on a dedicated drive not part of any RAID array). I added a 4th drive to my 3 ...
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1answer
390 views

LVM RAID 1 for root

I have LVM RAID 1 (not mdadm RAID 1, but exactly LVM2 RAID 1) for my root partition. I would like to make my system boot without either of the HDDs where the underlying PVs of the root LVM partition ...
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0answers
670 views

Ubuntu server 12.04.3 start up recovery mode

Yesterday I installed a Ubuntu server 12.04.3 as VMware instance. I only installed svn, apache2 and ssh. After I finished this basic setup (installation plus configuration) I created a zip file of the ...
4
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1answer
509 views

Slow boot and dns doesn't work

I don't understand what happened because i didn't change anything in system for quite a long time. Now system boots too slow and when it's booted - dns requests don't work. I can ping remote hosts by ...
2
votes
1answer
151 views

Why is my iscsi device causing my CentOS server to fail to boot?

The iSCSI mount I have attached to a CentOS server became unresponsive and caused the CentOS server to lock up. When the iSCSI server was repaired the CentOS server was rebooted, but even though iscsi ...
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2answers
3k views

How to remove old kernels on CentOS 6 (to free up boot partition)? [duplicate]

How does one determine which kernels to remove in order to free up some space on /boot partition. Here is a scenario (some background info). 1. Parititon info (in case it helps) # df -h Filesystem ...
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1answer
62 views

Understanding ARP traces during OS load

Consider the following ARP packets captured while a unix machine was booting. From the packets I understand that this machine whose MAC address is 00:22:22:22:22:22 is requesting information about ...
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1answer
715 views

Why is my machine not showing anything when booting?

I'm using Ubuntu Server 11.10 x86, and after I make my normal selection (Ubuntu, with Linux 3.0.0-12-generic-pae) from the GRUB menu, the screen just goes blank - there's not even a cursor showing up. ...
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2answers
111 views

Is a bad NFS mount preventing a clean boot?

I'm on Ubuntu server (I think it's 12.04, but not positive) and I basically ran into this problem here Unmount a nfs mount where the nfs server has disappeared The umount command didn't work, so I ...
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1answer
191 views

Waiting for devices to come up on Debian boot

I'm running OpenVPN and dnsmasmq on my wheezy system. Dnsmasq is only necessary for VPN and local users, so I don't want it to listen on all devices (yes, there is also a firewall, anyways). When ...
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1answer
914 views

boot from pendrive FREEBSD Mounting from cd9660 :/ dev/iso9660 error :/ dev/iso9660/FREEBSD_INSTALL failed with error 19

I am trying to install FreeBSD from a pen drive. But it returns an error on boot. cd9660 :/dev/iso9660 error :/dev/iso9660/FREEBSD_INSTALL failed with error 19 and appears mountroot> command ...
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0answers
38 views

What is the issue with the boot setup on this raid array?

After a secure erase of /dev/sda (Samsung 840 Pro) I had to setup grub on /dev/sda2 (for some unknown reason the /boot partition is the second one). So I ran something like this: grub root(hd0,1) ...
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1answer
569 views

Linux “/dev/SDA” goes read only file system on SDB device failure [closed]

i have a very peculiar issue that is running in my system. Using debian linux : My system boots up very normally with a primary and secondary hard disk. suddenly my secondary hard disk fails with ...
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1answer
168 views

Bootable USB backup

I would like to create a copy of my running Linux installation onto a USB 16 GB pen drive. The current system is a basic ATX PC used as a headless server on a remote location. I would like to have a ...
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1answer
319 views

Is c:\bootmgr necessary in Win2008 R2?

I was writing an MSBuild script to automate my build. In my script I defined the following: <DeleteBeforeBuild Include="$(WebOutputFolder)\*" /> Since I had not previously declared ...
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1answer
221 views

CentOS 6 init script doesn't work properly

I'm setting up my ruby production server based on CentOS 6. I need a process called god (which is a process monitoring tool) to start at boot. I'm using an init script that I found here. Just as ...
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2answers
180 views

Duplicate entries in Windows 7 Boot Manager

I have problem when with Boot Manager. When I restore System with using *.wim file after restart I see two identical entries. Booth entries run the same System. How I can remove this ? Of course I ...
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1answer
148 views

Windows 7 boot manager not localized on UEFI systems

I originally posted this on SuperUser because I discovered this behaviour on my home computer, but this seems to be a general issue on UEFI systems, thus I'm posting here too; I also hope someone here ...
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1answer
480 views

Red Hat 5.10 fail to boot on HP DL380 G7

I'm trying to install Red Hat 5.10 x86_64 on an HP DL380 G7 server, everything goes fine and I get the successful installation message but don't know why the server fails to boot! I've done the ...
4
votes
1answer
1k views

How to load the environment variables at boot time before X11 on Ubuntu Precise?

Using Ubuntu Precise 64 bit, I'm facing a problem that I'm unable to solve and that I'll try to describe below: I'm using a console mode program (let's say abc) that uses Go, NodeJS, Java and Scala. ...
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3answers
556 views

How to start Rails from a shell script on Debian?

I don't really have any need to mess with passenger or capistrano at the moment. I simply want to run rails on boot on port 3000. I've attempted to replicate this tutorial for node as much as I could ...
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2answers
239 views

What determines the time to first ping response in an OS?

When a server (say Windows, Linux) is rebooted, it will take some time to respond to ping. I'm assuming that the software firewall has to be up before pings will be returned as there might be a ...
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1answer
2k views

Dell PowerEdge R710 enters BIOS setup during each boot

Our Dell PowerEdge R710 enters BIOS setup during each boot. We have to press Esc to continue booting. How can we ensure that the server boots without user intervention? During POST the server does ...
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2answers
226 views

Does the initramfs image file need to be updated whenever grub.conf is modified?

I am trying to puzzle out a linux boot configuration problem involving legacy grub (0.97), LVM2, and dracut and trying to eliminate a few red herrings. My trial and error process goes like so: ...
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1answer
358 views

Boot failed, continue to look for media

I have a new server that runs a RAID 1. I've had it off for about a month and I turn it back on and I am getting "boot failed, continue to look for Boot Media" and it just loops. Did my RAID die or ...
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votes
1answer
421 views

persisting esxi /bootbank/boot.cfg across reboots

i have a serial console connected to my esxi 5.5 server. and the configs work fine for the pxe install. however, upon reboot my console no longer works: i believe i need to change the file ...
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3answers
966 views

I accidently zipped my whole server

Alright if anyone wants to play god and work miracles i'm down. So, i was given the task of making a script that found files that are older than 6 months, zipped them and then deleted them. On my way ...
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0answers
913 views

Server 2012 (R2) - mirroring the boot drive… what is the state?

I struggle to find modern documentation here. So far we have been booting our servers from the main RAID controllers. Worked nice, but not we get the first of a new generation that hs in the back 2 ...
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2answers
2k views

What is the correct way to install software RAID 1 in CentOS 6.4?

I'm going to install CentOS 6.4 on HP ProLiant ML310e Gen8 server. This server has fakeraid controller so i decided to use software raid. The problem is that i don't know how to correctly install GRUB ...
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1answer
892 views

CloudLinux server won't boot [closed]

I have a cPanel server, running Cloud Linux, it's a dedicated server that originally ran CentOS 6.4 and SoftRaid 1. I converted it to CloudLinux after a fresh re-install. I didn't have a need to ...
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1answer
729 views

VMWare BOOTMGR is missing in Windows Server 2008

One of our SQL server VMs (running in ESX) became completely unresponsive so it was Powered Off. I know, not exactly the best thing to do, but it's been done and since the VM was Powered On, we're ...
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1answer
1k views

CentOS won't boot on Virtual Box [closed]

I installed CentOS 6 on Virtual Box. After the install it starts up and I select boot from local disk. When I do this, it goes to a black screen that says Booting from local disk... FATAL: INT18: ...
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3answers
451 views

chkconfig on for arbitrary path program

Noramlly to add a start up program one have something like chkconfig httpd on however how can I do this for a program that I need to start like /usr/local/program/sbin/program ? I tried ...
2
votes
2answers
4k views

How to change boot device on vm installed on Citrix Xen Server to DVD

I have installed Centos 6 on my new Xen Server (XenServer release 6.2.0-70446c). Everything went smooth. System is working fine but now I want to change boot device on that VM to boot from DVD (iso ...
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1answer
299 views

Remotely diagnosing server 2012 boot problems with no KVM

I have a rented dedicated server that seems to have run into some issues. Unfortunately I have rented from a company who will only give hardware support leaving me in the dark. My server had been ...
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1answer
599 views

CentOS No Login Prompt After rc.local Executes

This is a CentOS 6.4 server with no GUI. After rc.local executes in the boot sequence, I am not presented with a console style login prompt. I can type characters on the screen but there is no login ...
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0answers
211 views

How can I automatically save the Dell iDRAC boot capture videos?

The Dell iDRAC automatically records video of the last three boot sequences on the server. These videos can be played back via the iDRAC web interface. The web interface also offers a "save" button to ...
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1answer
820 views

Accidentally ran grub-install incorrectly, now have a grub prompt but no menu

tl;dr: I fat-fingered grub-install, then "correctly" re-issued it targeting the /boot filesystem on /dev/sda1 but it isn't reading grub/grub.conf unless I expressly tell it where to look using the ...
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0answers
183 views

Windows Server 2008 R2 server not booting

It's a Hyper-V machine that runs the DC for my lab environment. Had a power failure that shut down my server and all other machines come up fine except this lone DC. It boots up straight to Recovery. ...
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1answer
145 views

Slackware 10.1 hangs at boot with kernel 3.x

In Slackware 10.1, what happens between rc.S and rc.M during boot? Trying to boot kernel 3.x (tried 3.4 and 3.10) on this box and it hangs right after rc.S finishes execution. 2.6 kernels boot up just ...