0
votes
1answer
65 views

Disable iptables service on CentOS

I don't want the service to start after reboot. my code does this: service iptables stop service iptables save chkconfig --level 123456 iptables off service iptables status iptables: Firewall is not ...
1
vote
1answer
281 views

System Halt on REBOOT, Shutdown & Restarts as expected

Recently went from Centos 6.4 to Centos 6.5. System is Dell T410 Tower. Whenever I reboot, system runs through post, passes IPv4 Settings, then announces: PCIe Training Error: Slot 1 system halted ...
2
votes
3answers
620 views

boot partition is almost full in CentOS [duplicate]

I got a warning of my /boot partition is almost full(85%). What should I do? Can I remove one of the backup kernel? How to do it safely? My partition right now Filesystem 1K-blocks ...
4
votes
1answer
1k views

grub error : “File not found” for separate /boot/efi partition

I've installed CentOS 6.4 on UEFI enabled machine, created /boot/efi partitions. But my grub is not automatically starting, if I start the PC, I start in Windows 8. I can only start CentOS by ...
2
votes
1answer
542 views

Changing service startup order

I use wpa_supplicant to configure the wireless connection. Now I have a problem in that the network service starts before wpa_supplicant so this happens: Bringing up interface wlan0: Determining IP ...
0
votes
1answer
3k views

Kernel upgrade 2.6 to 3.5.3 on CentOS 5.8 -> switchroot: mount failed: No such file or directory

I upgraded kernel on my CentOS 5.8 from 2.6.18 to 3.5.3 and now it is unable to mount the root filesystem: I could not find any explanation through Google. Can you point me in the right direction? ...
2
votes
2answers
764 views

Can readahead-services be safely disabled?

I am just going through the service-list of a server (CentOS 5) - the question will probably apply to other RedHat, Fedora, ... versions, too. Note that my servers normally run in runlevel 3 (no GUI ...
3
votes
1answer
1k views

Trouble booting CentOS

I switched from an Ubuntu to the CentOS yesterday. But it seems I have messed my installation somehow, since OS will only start correctly if the USB with the installation is plugged in. Long story: ...
2
votes
1answer
981 views

Altering the default boot option on CentOS

I recently installed a copy of CentOS onto my main hard drive (I now have Windows 7 and CentOS). Whilst installing CentOS, I accidentally set it to be the main boot option, so when I start my PC I ...
3
votes
3answers
988 views

Avoid pause during dm-raid initialization

On my CentOS 5 workstation I get a few seconds wait after dm-raid45 has been loaded ("Initializing Driver" or something like that). This seems to be part of the initrd. After that the system boots ...
1
vote
1answer
151 views

No installation option with livecd

I'm currently running Windows 7 x64 Professional and want to dual-boot with CentOS. I made a disk partitioning and wrote an image of CentOS on flash drive. But when it is being booted there's no ...
2
votes
1answer
339 views

load program/module at boot

I'm trying to load a program I wrote at boot. The program is also a module.ko and a small bash script. For the module I tried doing depmod mymodule.ko and modprobe -a and messing around with modprob ...
5
votes
1answer
2k views

Getting an existing Linux installation from one computer to boot on another

I have an existing Dell Precision 690 workstation setup to dual boot Windows XP and CentOS 5.5. These operating systems are installed on two separate drives. I have a grub menu on the Linux drive with ...
1
vote
1answer
453 views

How to mount external hard disk every time the server is restarted?

I have a server which the date will be backup to a external windows server hard disk which is mounted. But problem is every time the server is restarted I will need to mount the disk manually. How do ...