NFS, Network File System, is a server-client protocol used for sharing files between linux/unix to unix/linux systems. NFS enables you to mount a remote share locally. You can then directly access any of the files on that remote share. Scenario In this how-to I use two systems running with CentOS 6.5, but it will work […]
Recently an application forced the need to create and collect core dumps on RHEL6 systems. The below process will also work on any RHEL variants (CentOS, Scientific Linux). Edit /etc/security/limits.conf, notice this is set to all processes but if you have a process running as a service account replace the * with the service account. […]
I have forgot my MariaDB root password and when trying to reset the root password I was thinking, “Let Unixmen readers know how I have solved my issue”. First, stop running MySQL daemon: [root@Unixmen-test ~]# service mysql stop Shutting down MySQL. SUCCESS! Start MySQL Daemon in Safe Mode: [root@Unixmen-test ~]# mysqld_safe --skip-grant-tables &  20224 […]
So you want to setup a GIT Repository for your developers on RHEL 6/CentOS 6, but notice Red Hat Enterprise Linux 6 contains 1.7.1 in the repositories, which is well behind the current 1.8.3 that is available for GIT at http://git-scm.com. Well no need to worry, it is easy enough to download and install the […]
After a recent update to the latest RHEL 6.4, an issue arose that caused LDAP to stop using our MD5 signed certificate. This was due to the nss-3.14.0 update that now deems MD5 as un-secure. This change caused authentication of users using LDAP to fail. If the account had a local password (such as root), […]
We’d like to inform our Unixmen readers that there is a CentOS Dojo taking place on July 12, 2013 in Aldershot, Hampshire, UK. If you’re in the region, they’d like you to attend. For more information can be found on the following website: http://catn.com/centos-dojo/
Have you ever wondered if there is a simple way to copy files and run commands on multiple machines from one command? Well there are several tools available that will allow us to do just that, but for starters we will discuss just pssh (Parallel SSH). pssh (Parallel SSH) pssh (Parallel SSH) is a command-line […]
For the home office, I’ve been searching for a new stable enterprise class operating system to replace my current desktop. I thought it might be an interesting read for our Unixmen audience to join me in my quest to find the ultimate enterprise class operating system for the home office.
CentOS is an 100% compatible rebuild of the Red Hat Enterprise Linux, in full compliance with Red Hat’s redistribution requirements. CentOS is for people who need an enterprise class operating system stability without the cost of certification and support.