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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Does memtest86+ test memory which is used to run itself?

One of the common server failure scenarios is bad DRAM, sometimes even when ECC memory is used. memtest86+ is one of the most useful tools to diagnose DRAM problems. As it loads itself at the start ...
0
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2answers
621 views

Need informations about RAID5 behaviour in XenServer 5.5

I've detected an I/O error in my partition /dev/sdd3 which is a part of 4 devices assembled with RAID5. Now my server is in degraded mode with only 3/4 sync drives. I have a boot partition ...
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3answers
233 views

Booting from RAID5 device

I have an xenserver and I wonder to know if it's possible to boot it from a RAID5 software partition.
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3answers
51 views

When server is booting high load?

From CSF statistic my server load in 30 days is never higher than 3, I have 8 core cpu and 3 sites with 10 000 unique visits per day. When I reboot my server, and I log in into console, when he is ...
1
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2answers
2k views

How to build USB “floppy” pen drive launching Windows 2008 Setup from USB DVD

One of my server motherboards supports booting from USB, but only from "USB Floppy" or "USB ZIP Drive". I followed various guides creating an active, bootable partition on the USB Pen Drive with the ...
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2answers
2k views

Execute a script while boot up in RHEL7

One of my server reboots every sunday and monday morning, whenever the server is up I need to do a service restart. Actually I call a script to execute itself (everytime manually). What I want to ...
0
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0answers
89 views

How to change the boot order if Two boot partitions exist on the Linux Machine

I have an open vpn server running on my Ubuntu server 14.04.I took the backup of hard disk /dev/xvda (which includes the boot files) to an img file using the dd command. Machine A dd if=/dev/xvda ...
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0answers
49 views

Encrypted LVM stops when mounting swap

I have configured a disk with LUKS this way (Ubuntu server 15.10): Boot partition Rest partition (LVM group) LVM data -> Encrypted (pass) -> ext4 /data LVM root -> Encrypted (pass) -> ext4 / LVM ...
2
votes
1answer
101 views

Replaced SATA controller, software RAID (mdadm) stopped booting: grub rescue> no such disk

I have a relatively old server machine which has no SATA ports on the motherboard (Dell Precision Workstaion 650). Also have a cheap FakeRAID controller (VIA VT6421 Chipset) and two Seagate 3TB drives ...
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0answers
24 views

restart client after download .img file from PXE

I want to install pfsense using pxe. In Windows 7, I have installed the Tftpd32 software and set it up (conf file is below). The client machine downloads the image file (pfsense.img) successfully ...
0
votes
1answer
190 views

Docker daemon doesn't start on boot on CoreOS

I have a vanilla install of CoreOS (835.9.0) and it doesn't start the docker daemon on startup. It only starts when I SSH in and do eg docker ps. How can i make the docker daemon automatically start ...
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1answer
68 views

dracut-pre-trigger rd.md=0 removing md raid activation boot fails

The system is Fedora 22, recently upgraded from Fedora 21. The remaining kernel from Fedora 21 boots. The two kernels installed after the upgrade fail to boot. The system is an Intel S-5000 PAL with ...
0
votes
1answer
68 views

FreeNAS Flash Drive Corruption

The flash drive that had FreeNAS on it was unplugged while the system was running. Now when I start the system, I get the following error: GRUB loading . . Welcome to GRUB! error: unknown ...
0
votes
0answers
18 views

Debian server reboots after every login

I have a Debian Wheezy vps on the cloud. Today I tried to login using the VNC console provided by my vps service provider but everytime I login the server automatically reboots after 5 seconds! Has ...
12
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5answers
61k views

How to list services/daemons started at boot _and_ check their loading order

I want to be sure in what order services are started during boot process in Debian based systems (Debian Squeeze in particular). Thanks in advance.
0
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0answers
30 views

Kernel config options explained

Can anyone explain what the following options from my centos 5.9 box do CONFIG_HAS_IOPORT=y CONFIG_HAS_DMA=y CONFIG_GENERIC_HARDIRQS=y CONFIG_GENERIC_IRQ_PROBE=y CONFIG_GENERIC_PENDING_IRQ=y ...
3
votes
0answers
33 views

solaris requested cylinder is beyond range of BIOS geometry

Title says it all. I'm a Windows guy, and a bit out of my element here, but a client has an old Solaris machine hosting a Database. The machine turned off for a yet as unknown reason (probably power ...
2
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0answers
430 views

How to use systemd-firstboot.service?

I'm making an image of Debian Jessie. On boot the system has no /etc/machine-id file. This causes some problems with the journald that doesn't start. I've found that in the systemd repo: # This ...
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0answers
112 views

How to reset the ConditionFirstBoot in systemd?

How to make the system think that it's the first boot again? Need that for some fast testing without reflashing the image.
2
votes
1answer
33 views

Is it possible to script rebooting to another OS once?

In Server 2012 R2 you can hold Shift when you choose to reboot from the start menu it brings you to a screen that lets you choose which OS you want to boot to if you have multi-boot set up. This ...
0
votes
1answer
5k views

Stuck at grub prompt after a default CentOS 6 installation

I am having a very strange problem installing CentOS 6 that I've never encountered before. I've followed these same steps thousands of times before, but within the past couple weeks I've had two ...
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votes
3answers
63 views

Is there a way to know what services run on a Windows server without logging in to this server?

Hi I just started working as an intern and they use Windows servers for very specific tasks (converting .docx files) that are way harder on their other servers. But now I had to make that program run ...
1
vote
1answer
115 views

HP ProLiant DL380 Boot Issues

I've tried researching intensely to find out why every time I try to boot my server, my monitor that I use to see what I'm doing to the server, seems to say "Out of Range". I have Ubuntu installed ...
1
vote
1answer
691 views

HP ProLiant ML350 G6 won't power on

I pulled a couple of ML350's out of storage for a training lab, and to my chagrin only one boots. When I plug the good ML350 in, the NIC light flickers green briefly and it powers up normally. When I ...
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votes
0answers
75 views

HVM AMI do not boot, no console output

I prepared HVM EBS backed ami in such steps: Created new EBS volume and mount it to existing hvm instance. Created one partition on it and mout it. Installed basic system with: yum -c ...
0
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0answers
60 views

Error reading boot configuration data on primary hard drive Windows Web Server 2008 R2

I have a root server on Hetzner which is running Windows Web Server 2008 R2. I am facing an issue with boot up. The server hangs up for some reason and when I issue an automated restart from Hetzner's ...
0
votes
0answers
64 views

AWS pv-grub don't see config file

I created ami from scratch: ec2reg -n centos7 -b '/dev/sda=snap-96a520e3' --kernel aki-499ccb20 -a x86_64 but pv-grub can't find config file: Thread "Idle": pointer: 0x20f0002050, stack: 0x2070000 ...
0
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0answers
31 views

How can I make sure my virtual serial ports are available at bootup

I am using a Serial port re-directer and Clone functionality done through a python script. With Virtual Serial ports that are created via socat. How do ensure that these Virtual Serial ports will be ...
3
votes
2answers
6k views

How do I get a detailed vista bootlog?

How can I get a detailed report of what/when things are getting loaded during vista boot? The basic reports found in the event viewer are @ too high of a level. Someone must've needed more ...
0
votes
4answers
2k views

Move Win2k3 to new hardware: STOP 0x0000007B (How can I get PERC drivers installed?)

I have an ancient celeron-based Windows 2003 SBS server on an old Dell machine. It has a very basic IDE non-RAID setup. The server is so old, it takes about 30 minutes to boot up and log in. A new ...
4
votes
2answers
11k views

Where/when does a Linux system change the console display mode?

I'm installing Debian Wheezy (7.0rc1) on a box of mine. For reasons I won't go into here, I don't want the framebuffer to be used for the console display during boot (nor afterwards). To avoid this, I ...
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votes
1answer
71 views

Loading iptables rules at boot

i have added some rules to the iptables. I saved the iptables rules using the command iptables-save > /etc/sysconfig/iptables To apply the rules i did systemctl start iptables.service ...
3
votes
2answers
2k views

Why does docker-machine clear data on restart?

I'm using Docker Toolbox on OSX. I've created a data volume container for storing persistent data: https://docs.docker.com/userguide/dockervolumes/#creating-and-mounting-a-data-volume-container. I ...
1
vote
1answer
35 views

Ubuntu ramdisk template

I've been working on a ramdisk template for running a complete root filesystem on the RAM of a baremetal server(over IPMI so no physical access) that boots over PXE. I used debootstrap to create an ...
2
votes
0answers
45 views

Start xend service automatically on boot fails

I am trying to auto-start xend and xendomain service automatically on boot as soon as I log into XEN-dom0 (on Ubuntu server 12.04 x64) so that whey i type : sudo xm list the hypervisor lists me all ...
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0answers
123 views

How to recover an Intel RAID 0 on a Rocks cluster distribution

We had a Rocks 5.5 distribution on our cluster and wanted to upgrade to 6.2. The "/export" partition was mounted on a Intel software RAID 0 array of 2 identical hard drives (HD) (/dev/sdb and ...
1
vote
1answer
92 views

CentOS 7 Installation: /boot naming scheme

I'm currently going through an installation of CentOS7 on an HP MicroServer Gen7. I'm installing onto a mirrored set of 240GB drives configured in hardware RAID1. When configuring my partitioning ...
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votes
2answers
537 views

SuperMicro server won't boot after power cycle [closed]

We power cycled one of our SuperMicro machines and it does not boot anymore. It seems it won't even get to the BIOS loading stage and peripherals (VGA monitor, USB cable) are not detected. All ...
2
votes
1answer
220 views

Upgrading CentOS from 6 to 7 has broken my boot sequence

I ran the upgrade assistant provided by CentOS for upgrading from CentOS 6 to 7. The upgrade appeared to have been a success, however my system now hangs when trying to boot up. (Keep in mind I have ...
0
votes
1answer
31 views

external usb harddrive prevents startup of Server 2003

An external usb harddrive attached to a Windows Server 2003 (yes, we know it is old) seems to prevent the server from starting up (after a reboot or power recycle). I get the message: "Bootmgr is ...
0
votes
1answer
2k views

HP ProLiant ML310e Gen8 install Windows Server 2008 R2

I purchased recent an HP ProLiant ML310e Gen8 and a Windows Server 2008 designed for HP Servers and when I want to install the OS (Windows Server 2008) on My Server I receive following error: A ...
0
votes
0answers
138 views

Linux disk moved on a different server won't boot

I have a server HP Proliant DL120 G6, with an installed and working Ubuntu 14.04. The partitioning is reported below. Now, if I move the disks on a very similar HP Proliant DL120 G5, in the same ...
2
votes
1answer
81 views

Correctly mounting SAN volumes at boot time

I have a system running Debian Wheezy (7.8) that connects to a storage volume exported via iSCSI using the open-iscsi (version 2.0) software initiator. The iSCSI initiator correctly reconnects the ...
0
votes
0answers
79 views

Solaris 10 Update 8, ZFS boot/root zpool and moving disks around

One of my OLD machines is running solaris 10 Update 8 (x86). It has a mirrored ZFS I use for "root zpool". Both disks are failing so I plugged a new disk in a USB port and attached the new disk to ...
0
votes
0answers
56 views

Intel server SC5300LX+SE7520BD2 won't boot after removing a second PSU

I have an intel server SC5300LX+SE7520BD2 with 1+1 redundant PSU (Delta electronics C46098-005). As one of the PSU had an amber led lightning, I decide to check the part-number and I did this by, ...
0
votes
1answer
1k views

Linux won't boot after install for Dell PowerEdge 2850 in SCSI Mode

I was successfully able to install CentOS 6.5 x86_64 Minimal from CD, and setup software raid during the install steps, after having set the Dell PowerEdge 2850 to SCSI Mode which enabled CentOS to ...
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vote
2answers
565 views

Linux Authentication by Active Directory without joining to domain

I have a Win 2008 AD based network. I want to setup a few boxes with dual boot Win/Linux. How can I achieve to authenticate the users with existing AD in Linux? All solutions - I have found yet - ...
0
votes
2answers
2k views

How to start rpcbind automatically at boot on Ubuntu 14.04 server?

I have been unsuccessfully trying to configure my Ubuntu 14.04 server to start rpcbind on boot. RPCbind is installed and works fine if I start it manually with service rpcbind start I have added the ...
5
votes
5answers
8k views

GlusterFS failing to mount at boot with Ubuntu 14.04

Previously I asked about mounting GlusterFS at boot in an Ubuntu 12.04 server and the answer was that this was buggy in 12.04 and worked in 14.04. Curious I gave it a try on a virtual machine running ...
0
votes
1answer
103 views

PXELinux with WDS/DNS/DHCP

I've been reading up on setting up a PXELinux machine to run side by side with WDS on Windows and all the guides talk about setting up a DNS and DHCP server on the same server as the PXELinux. What ...