Aug 19 2016

Solve ssh_exchange_identification connection closed by remote host

I’ve encountered this error message on a CentOS 7 system, the next day after i’ve enrolled it in freeIPA. Until then, SSH from it to other hosts worked fine.
Read the rest of this entry »

Mar 21 2016

Fix munin ip_ plugin showing network traffic from wrong IP

I’ve installed munin on a Ubuntu Server 12.04 yesterday. When checking the repots I’ve noticed 3 ip’s graphed, like the image below.

Read the rest of this entry »

Feb 01 2016

Sender verify failed cPANEL

If you have problems with your cPanel server not receiving mail from certain email addresses here is why :
Read the rest of this entry »

Jan 12 2016

Vmware Converter – unable to obtain hardware for the selected machine

When trying to convert a physical machine to a virtual one, you may receive the following error after authentication : unable to obtain hardware for the selected machine. Read the rest of this entry »

Dec 02 2015

WordPress plugin UpdraftPlus not working with XCache

I’ve upgraded from Ubuntu 12.04 to Ubuntu 14.04 and from ISPConfig 3.0.5.4p5 to 3.0.5.4p8 and moved my websites. When using UpdraftPlus plugin for FTP backup I’ve noticed that the backup is stuck at 0%.
Read the rest of this entry »

Oct 05 2015

Dell 1720DN printer info

Description : Dell monochrome laser printer (EPSON parts inside) with duplex, LAN port, paralel port. Speed is up to 28 pages per minute. Read the rest of this entry »

Sep 11 2015

ESXi info ERROR: wrong DISK_BACKUP_FORMAT thin when using ghettoVCB

Story : My main server had to be moved to a different datacenter.
I’ve backed up my virtual machines using ghettoVCB to a NFS datastore.
I’ve copied them to another server’s internal hard-drives from the NFS datastore.
Read the rest of this entry »

Older posts «