The host upgrade from ESXi 5.5 to ESXi 6.0 failed with the following error: „Cannot execute upgrade script on host“.
The data service timed out because a back-end task took more than 120
Today I received error on my vm summary page in Vsphere web client: The data service timed out because a back-end task took more than 120 seconds. See the vsphere-client-virgo.log for more details.
Just before that I removed a test vcenter server, which was connected to my PSC on production Vsphere instance.
You need to remove a stale vCenter Server from your SSO environment, use the cmsso-util. It may takes a long time but does the job.
Passwordless command line scripts with MySQL 5.6
I have several command line scripts to MySQL databases for zabbix statistic. These scripts set the password on the command line using the -p option.
With MySQL 5.6, a new warning is displayed every time my scripts run:
How to monitor sql queries with zabbix
If you want to monitor some parameters in mysql database, you can do it with ODBC monitoring in Zabbix.
ODBC monitoring corresponds to the Database monitor item type in the Zabbix frontend.
ODBC is a C programming language middle-ware API for accessing database management systems (DBMS). The ODBC concept was developed by Microsoft and later ported to other platforms.
Cooking with Chef: How to deploy instance on AWS with knife
Today I want to try provisioning and configuring Amazon AWS instances with Chef. To do that I have:
- Free tier account on AWS
- Open Source Chef Server 12
- Ubuntu Workstation with knife
Free SSL certificate for 3 years and up to 100 domains
More and more people reconfigured their sites to ssl connection. So I decided to use ssl certificate and secure connection on my blogs too.
The Chinese CA WoSign offers free SSL certificates which are valid for 2 years and may contain up to 100 domains each (multi-domain/SAN/UCC) which is very useful to host various domains on one single IP address (Better option than SNI if you still have Windows XP clients). Before you stop reading because you don't trust a Chinese company for your website encryption please keep in mind that you don't have to trust them at all! You generate the SSL key on your server and only send them the CSR (certificate signing request) which doesn't contain any private information.
Convert wildcard SSL to Java Keystore Format (JKS)
Today we need to get a wildcard SSL certificate into a Java Keystore format. First copy everything you need to a /tmp folder. There are gd_bundle.crt , domain.com.crt and domain.com.key
Migrate vmware vm to proxmox
Hi. One of my clients use proxmox virtualization in Production. So I need to move one service machine created for them from vmware to proxmox. As for me the most simple way is to use VMWare Converter. Lets try.
My vm configuration on esxi.
Install Ruby 2.3.1 or any other version on Centos
1. Installing Recommended Packages
There are few developemnt libraries required to run Ruby on Linux. Use following command to install recommended packages on your server using yum.
# yum install gcc-c++ patch readline readline-devel zlib zlib-devel # yum install libyaml-devel libffi-devel openssl-devel make # yum install bzip2 autoconf automake libtool bison iconv-devel
Knife-vsphere installation errors
Today I tried to install knife vsphere support for Chef (You can make it by this command $gem install knife-vsphere ) on Ubuntu and received several errors.
First of them was:
- «Previous Page
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- Next Page»