August 2016
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August 2016
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CentOS 7 + SELinux + PHP + Apache – cannot write/access file

Amazon EC2 instance running on CentOS 7. Apache logs keep saying that it can’t write to file due to permission where file permissions are properly setup, only to realize it was SELinux in action.

Problem 1: Can’t serve files on a custom directory

The first problem I have encountered is that I tried to setup […]

Fix stale NFS mounts on linux without rebooting

Fix stale NFS mounts on linux without rebooting

I have often noticed that some folks reboot systems to fix stale NFS mount problems which can be disruptive.

Fortunately, that often isn’t necessary. All you have to do is restart nfs and autofs services. However that sometimes fails because user processes have files open on the […]

KernelCare is now available for CentOS & RHEL 7 kernels

KernelCare for CentOS & RHEL 7

KernelCare is now available for CentOS & RHEL 7 kernels. Latest CentOS / RHEL kernels can be patched against privilege escalation vulnerability CVE-2014-4943. Other supported kernels were patched against it last week

CVEs: CVE-2014-4943

Systems with AUTO_UPDATE=True (DEFAULT) in /etc/sysconfig/kcare/kcare.conf will automatically update, and no action is […]

List/Change kernel in centos 7

List/Change kernel in centos 7

Following command can be used to list the kernels in centos 7 ============================ # egrep ^menuentry /etc/grub2.cfg | cut -f 2 -d \’ Linux Server, with Linux 3.10.0-123.el7.x86_64 Linux Server, with Linux 3.10.0-123.4.4.el7.x86_64 Linux Server, with Unbreakable Enterprise Kernel 3.8.13-35.3.2.el7uek.x86_64 Linux Server, with Unbreakable Enterprise Kernel 3.8.13-35.3.1.el7uek.x86_64 Linux Server, with […]

WHAT IS STORAGE SPACES DIRECT IN WINDOWS 2016?

WHAT IS STORAGE SPACES DIRECT IN WINDOWS 2016?

Windows 2016 will continue to focus on Software Defined Storage. In Windows 2012 Storage spaces was introduced as a tool that would allow pooling together disk resources to create a large and redundant pool of disk space (Similar to Raid but without certain limitations-Such as all disks […]