[Apache/WordPress/Sendmail/Selinux] WordPress won’t send email

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/virtio] No boot loader installed/Fatal: Linux experimental device 0xfc00 needs to be defined

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 […]

[CentOS 6.7/Areca RAID] Kernel Update results in Pid: 1, comm: init Not tainted

When performing a “yum update” on a CentOS 6.5 server to bring it up to CentOS 6.7 the Areca RAID driver wasn’t compiled in the ramdisk for the kernel (or installed for the kernel) even after installing kmod-arcmsr-1.30.0X.20_rhel6.7-1.x86_64.rpm resulting in the following error: Kernel panic – not syncing: Attempted to kill init! Pid: 1, comm: […]

[CentOS 7.1] dracut-initqueue[314]: Warning: /dev/centos/swap does not exist

THE RESOLUTION OF THIS PROBLEM IN THIS POST IS DIRECTLY RELATED TO SYSTEMS RUNNING ARECA RAID CONTROLLERS BUT MAY APPLY TO OTHER SYSTEMS REQUIRING DISK RELATED DRIVERS. Upon booting a server after a CentOS kernel upgrade it was no longer able to boot.  The update was specifically from kernel 3.10.0-123.el7.x86_64 to 3.10.0-229.11.1.el7.x86_64 but these details have nothing […]