Tags » CentOS

Distribute Sensu checks using git

Since my environment at home does not yet use any kind of automation for configuration and orchestration like the one that you can get using puppet, chef etc. 1,093 more words


CentOS 7 Use a live VM as template

When the need arises to create a new VM I normally clone a dedicated base machine with the common tools and configurations needed to get a new machine up and running quickly. 532 more words


Smarter bash history

When using bash the up/down arrows are useful to browse through the recent commands.

But since the wanted command may be a bit up in the history stack it can be a bit tedious to find the right command. 105 more words


CentOS 7 Automated reboot after kernel update

When using applications like yum-cron to update the installed packages automatically there will be times when the kernel has been updated.

Instead of checking every machine if a reboot is needed I use the following cron script to automate the reboot. 104 more words


Enable new Super User SSH login with existent Amazon EC2 key pair

If you want to create/enable new ssh login acting as superuser on your ec2 instance instead of using ec2-user for all you can simply add the new user and enable ssh/key for him… 98 more words


Installing CentOS7/RHEL7 from YUMI

It seem like CentOS7/RHEL7 is slightly different from CentOS6/RHEL6, when trying to install from USB with multiple boot images (eg YUMI).

CentOS7/RHEL7 require “inst.stage2″^^1 to be specific, and the default from the ISO file is “inst.stage2=hd:LABEL=CentOS\x207\x20x86_64” or “inst.stage2=hd:LABEL=RHEL-7.3\x20x86_64”. 125 more words


OSX and Mac tips

Sorry but I have no better title for this post. I wanted to compile (and get rid?) of all the knowledge I gathered :-D on the last 5 years working with macs. 451 more words