Trying to sync one of our virtual servers we got a sync error not able to refresh the OpenPGP keys. The virtual server was just…
Linux
Linux rules the world, right?
openntpd – immediately sync the clock on startup
Here is our simple tip for your healthy server’s date and time: Immediately synchronize the clock of your computer when using the openntpd (a lightweight…
Install Nginx virtual host traffic status module – traffic information in nginx and more per server block and upstreams
This article is going to show how to compile and install the Nginx module – ngx_http_vhost_traffic_status. The module gathers traffic information per the server blocks…
grep – find files, which have no match in their entire content
Here is a quick tip for a very useful option, which is not widely known! If you want to search for a matching string in…
List Openstack container’s options with the swift command-line client – capabilities command
First, you need to install swift command-line utility and second, install the command-line tool to manage your account: Install OpenStack swift client only With the…
ansible – using ansible vault with copy module to decrypt on-the-fly files
Here is an interesting tip for all who what to protect the sensitive information with ansible. Our example is simple enough – we want to…
ansible – restart a (nginx) service only if it is running and the configuration is ok
Another ansible quick tip showing how to restart a program properly. We want to restart the program or the service only if it is running…
ansible – insert after only if the pattern exists and the new insert is not there
Here is a quick ansible tip for system administrators for the ansible lineinfile. Imagine you want to insert a line after a word (or a…
First ansible use – install and execute a single command or multiple tasks in a playbook
This article is to show you how easy is to use automation tools for managing your servers. If you are new to ansible this article…
DBusException – Could not get owner of name ‘org.freedesktop.secrets’: no such name
There are programs, which heavily depend on a password store. Not sure why they cannot live without it but if you get errors of the…