Quick fix… Rebuild the ramdisk. If you are using a rescue disk and are compiling for a different kernel version replace $(uname -r) with your kernel version: dracut –mdadmconf –fstab –add=”mdraid” –filesystems “xfs ext4 ext3 tempts devotes syses proc” –add-drivers=”raid1″ –force /boot/initramfs-$(uname -r) $(uname -r) Add the following to /etc/default/grub inside the quotes for the […]
On SuperMicro motherboards you will sometimes get the following error when using certain functionality of the the IPMI config utility: ./IPMICFG-Linux.x86_64 -dhcp [kcs] kcs_error: [kcs] kcs_error_exit: This is due to a missing kernel module that is required. On CentOS you can install the kernel module with the following (note that the package name may be […]
When trying to add an IPv6 address to a server via the ifcfg-eth0 file resulted in the following error (redacted) upon restarting networking: RTNETLINK answers: Permission denied WARN : [ipv6_add_route] ‘No route to host’ adding route ‘::/0’ via gateway ‘XXXX:YYYY:ZZZZ::1’ through device ” This was further confirmed by trying to add the IP […]
Traditional methods of finding the serial number on a live Linux system do not work for nvme drives. You can download the name-cli package from: https://github.com/linux-nvme/nvme-cli Once installed you will then have the “nvme” command and can find the serial number with the following command: nvme id-ctrl /dev/nvme0n1
ALSA lib confmisc.c:768:(parse_card) cannot find card ‘0’ ALSA lib conf.c:4241:(_snd_config_evaluate) function snd_func_card_driver returned error: No such file or directory ALSA lib confmisc.c:392:(snd_func_concat) error evaluating strings ALSA lib conf.c:4241:(_snd_config_evaluate) function snd_func_concat returned error: No such file or directory ALSA lib confmisc.c:1251:(snd_func_refer) error evaluating name ALSA lib conf.c:4241:(_snd_config_evaluate) function snd_func_refer returned error: No such file or directory […]
COURTESY OF BBRADER.COM This maps out edac-util error reports row & channel with corresponding DIMM slots on the motherboard so as to easily track down which DIMM is the issue and should be replaced. P1-DIMM1A = MC0 CSROW 2&3 CHANNEL 0 P1-DIMM1B = MC0 CSROW 0&1 CHANNEL 0 P1-DIMM2A = MC0 CSROW 2&3 CHANNEL 1 […]
Sometimes on Linux systems you’ll get an error message similar to this: Message from syslogd@server at May 1 13:09:44 … kernel:[Hardware Error]: MC4 Error (node 1): DRAM ECC error detected on the NB. Message from syslogd@server at May 1 13:09:44 … kernel:[Hardware Error]: Error Status: Corrected error, no action required. Message from syslogd@server at May […]
This error comes up on some linux machines (most notably updated CentOS/RHEL 6) when trying to compile the driver for RALink devices: Driver/UTIL/include/os/rt_linux.h:278: error: expected specifier-qualifier-list before ‘kuid_t’ This is due to this particular section of code in that file: #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,29) kuid_t […]
If WordPress won’t send emails and you’re running selinux you likely need to enable Apache’s ability to use sendmail. If this is the case you’ll see something in /var/log/audit/audit.log: type=SYSCALL msg=audit(1455126829.120:44783832): arch=c000003e syscall=82 success=no exit=-13 a0=7fff665d7c20 a1=7fff665d8c20 a2=fff a3=7fff665d5ed0 items=0 ppid=18828 pid=13442 auid=0 uid=48 gid=48 euid=48 suid=48 fsuid=48 egid=51 sgid=51 fsgid=51 tty=(none) ses=6664 comm=”sendmail” exe=”/usr/sbin/sendmail.sendmail” […]
Slackware doesn’t defaultly support virtio, so if you’re running Slackware in a virtualized environment you’re going to need to give it a little push to get it to boot after install. First let’s get the obvious solution out there: Obvious solution: Don’t use Slackware. (duh) In the particular case a customer insists he needs it […]