Tag: Linux
All the articles with the tag "Linux".
VMware Horizon Infrastructure Upgrade
Updated:Upgrading VMware Horizon is going to be a fun task for the weekend. It means upgrading 3 connection servers, a security server, the vcenter server and the composer server. This is all so we can disable SSLv3 on the ESXi hosts they all run on.
DKIM Signature Testing
Updated:After setting up a DKIM DNS entry and then sending email we were seeing one of authorised 3rd parties failing to pass the DKIM checks. The DNS record looked OK but the mail systems like Google and Yahoo were saying it was failing. So how do I go about testing a message I received so I can see for myself what's going on?
VMWare Updates
Updated:As we're running the VSCA appliance we can't use the GUI Update Manager plug-in as that only works with Windows, despite VMWare being very Linux based. So,
Squid Proxy
Updated:We have a few special requirements in our network. For internet based traffic we use an appliance based proxy server that users must authenticate with to g
Nginx, Not Just a Web Server
Updated:Nginx is capable of more than serving web pages. It can load balance, cache and act as a reverse proxy. We recently had need to access two web services on
rsync
Updated:Good old rsync. Very handy for backing up and entire system to another. It only transfers files that have changed too. rsync -av -e ssh --delete --exclude
VMWare View 5.3 & vSphere 5.5
Updated:As part of our patching process we applied security patches to one of the vSphere ESXi servers. All seemed to go well until we tried to compose systems ont
vCenter Server Appliance Patching
Updated:The online manual suggests that all you need do is mount (attach) the ISO onto the VCSA and then from the command line stage and install the patches: # sof
OpenVPN & iptables
Updated:Some time ago I setup an OpenVPN server so we could securely logon to IT systems from outside the network. This worked really well until I rebooted it the
VMWare Horizon Client for Linux
Updated:That was an interesting challenge. A colleague was trying to install the VMWare Horizon Client into Linux without any real Linux experience. I know that in