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Questions tagged [linux-kernel]

The Linux kernel is the operating system kernel used by the Linux family of Unix-like operating systems. It is one of the most prominent examples of free and open source software.

The Linux kernel is the operating system kernel used by the Linux family of Unix-like operating systems. It is one of the most prominent examples of free and open source software.

The Linux kernel is released under the GNU General Public License version 2 (GPLv2) (plus some firmware images with various non-free licenses[citation needed]), and is developed by contributors worldwide. Day-to-day development discussions take place on the Linux kernel mailing list.

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About kernel upgrade

If I upgrade the kernel,will old binaries use new version of .so or still the old version? UPDATE Why kernel has nothing to do with .so?
kernel
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how to enable ipv6 in redhat

can anyone tell me how to enable ipv6 support in rhel i tried sysctl -w net.ipv6.conf.all.forwarding=1 and echo 1 > /proc/sys/net/ipv6/conf/all/forwarding and did service network restart but still i get error Bringing up interface eth0: Global…
sam
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enabling ipv4 forwarding locked up machine. ideas?

Hey. I'm running cent 5.5 64-bit, 1 nic, eth0. I enabled ipv4 forwarding via: echo '1' > /proc/sys/net/ipv4/ip_forward and the machine locks up. cant switch ttys cant ssh into it. Had to hard reboot. Any ideas? I did this on a similar box a week…
Flamewires
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Ubuntu 8.04 LTS Hardy: Upgrade kernel to 2.6.32?

I am facing an incompatibility issue between Ubuntu 8.04 LTS (Hardy) and the PERC 6/i RAID controller on our Dell PowerEdge R710 servers. Various forum posts (Ubuntu forum) confirm that other users also have had problems with the 2.6.24 64 bit…
Avada Kedavra
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Building and installing a kernel that can mount / from an EXT3 on an LVM2 device

I have an ageing but much loved Fedora Core 6 box for which I am attempting to compile a kernel more recent than 2.6.22, in order that I might employ its support for an eSATA card. My Fedora box has a pair of 500G disks & uses LVM2 to pool most of…
Martin Cowie
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Possible to write an implement of RAIDZ or RAIDZ2 for the MD driver in the Linux kernel?

I am curious on if it is possible to have an implement of RAIDZ and/or RAIDZ2 in the MD driver in the Linux kernel? From my understanding of it is that the RAIDZ version is equivalent to a RAID 5, and that a RAIDZ2 is equivalent to a RAID 6. The…
Pharaun
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How can i break my own linux kernel

I was reading the linux book which says this Finally, if you break your kernel or boot loader, you won't be able to get to single-user mode without extra help. You can often boot your system with a kernel from a bootable CD-ROM by passing…
John
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Kernel panic almost daily, why?

Running latest version of CentOS 5 64. Get these almost daily, at totally random times. The box is a file delivery machine, that usually sends around 2.3Gbit Message from syslogd@localhost at Jun 28 21:53:27 ... kernel:Oops: 0000 [#1] SMP …
user11350
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Storage drives is causting system crash

I'm running Centos 5.4 with 750GB(ntfs) and 2TB drives for storage. Originally I installed the 750, everything seemed fine and then I installed the 2TB drive with NTFS already partitioned. I noticed when I would copy a lot of videos it would crash…
Chad
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Changing MAC address on the Fly on old kernel 2.6.x

I'm doing some research on old kernels and running the following on 2.6.7 or 2.6.8 gives a resource busy error. But on 2.6.28 the command works as expected. How would I determine which kernel allowed this command to change the mac address on the…
shaiss
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Ethernet connection is dropped when restarting openibd ( Infiniband ) service

I have a multiple servers with Ethernet controller on board and InfiniBand controller installed in a PCI slot. The problem is when im restarting openibd.service which should control only the infiniband adapter, for some reason, my ethernet network…
Oren
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How to make IpTable Rules immutable in linux

I work on Linux and want to add rules to iptable. I want these rules to be immutable anyway (either changed or deleted). What should I do? Note that for me the rules that are running and kept in memory are important, not the rules that are stored in…
amirsalimi
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Many linux process falling into 'D' status, server got stuck

I am running a high performance application on Centos 7.4 op system 3.10 with RT kernel. Sometimes a few process falling into 'D' status(uninterruptible), such as systemd、runc init、umount. The stack of them is similar，and the first three levels are…
alanZhang
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How to get rid of “Duplicate IMA measurements will not be recorded in the IMA log.”?

In the journal of my Debian 12 kernel linux-image-6.1.0-10-amd64 version 6.1.37-1 I discovered the following lines: … … hostname systemd[1]: Starting systemd-journald.service - Journal Service … … hostname kernel: device-mapper: core:…
AlMa0
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Centos show me "Cannot find a valid baseurl for repo: base/7/x86_64"

Hi, i have a issue, when i type in Centos 7 "yum update" show me next error Loading mirror speeds from cached hostfile One of the configured repositories failed (Unknown), and yum doesn't have enough cached data to continue. At this point the…
CristianDAG
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