Open Source

The open organization community at Opensource.com (of which I’m a member) is pleased to announce the immediate release of its newest book, The Open Organization Guide to IT Culture Change. As IT teams around the world rise to these new challenges, they’re realizing that radical change isn’t a matter of tools alone. It’s also a matter of culture—the values that underpin behaviors, influence problem-solving capability, and facilitate truly revolutionary potential. Those values are open values....

Badlock might not be bad for all. If you are using Ansible you can patch your systems with a single playbook (or ad hoc command). For RPM based OS users Badlock (samba) patching is as easy as: ansible -m shell -a "yum update *samba*" all Or you can be very granular and use an Ansible Playbook to audit and patch samba packages: --- - hosts: all tasks: - name: Check if samba packages are installed shell: "yum list installed *samba* | awk '!...

Here’s a handy one-liner to grep multiple Ansible Vault files (like group_vars). All you need is an Ansible Vault password file (outside of your configuration repo, please) and a little bash. ls -1 | while read N ; do echo -n $N: ; ansible-vault --vault-password-file ~/.ansible_vault view $N | grep <STRING> ; done

I routinely spin up CentOS virtual machines in VirtualBox. Sometimes they are temporary and others might be around for months. These seemingly throw away VMs utilize the CentOS minimal install ISO for speed of setup (I really should just build a standard starting point VM and clone it as needed but I digress). I understand that installing the VirtualBox guest additions is a nicety for some so you probably rarely do it....

For more information about the Linux directory structure see the Filesystem Hierarchy Standard (FHS) which is part of the Linux Standard Base (LSB) which is a workgroup of the Free Standards Group. / The root directory (not to be concerned with the root account) is similar to a drive letter in Windows (C:, D:, etc.) except that in the Linux directory structure there is only one root directory and everything falls under it (including other filesystems and partitions)....