Installing a VNC Server on RHEL/SL/Centos 6.5

It’s so easy to get RHEL based operating systems to work as an RDP server these days.

  1. Install the EPEL repo

  2. For CentOS/SL:
    yum install xrdp tigervnc-server

    For RHEL:

    rpm -i http://ftp.iinet.net.au/pub/centos/6.5/updates/x86_64/Packages/tigervnc-server-1.1.0-8.el6_5.x86_64.rpm
    yum install xrdp
  3. service xrdp start
  4. chkconfig xrdp on

For RHEL:

Silky Smooth MythTV Playback

The judder on my MythTV frontend has been driving me crazy for a while now. There was a very simple fix for this: RTFM.

The MythTV team have put together an entire manual on avoiding judder.

It turned out that my judder problem was due to a few problems:

My Nvidia settings was set to enable PowerMiser. This tells the video card to back off whenever it thinks it’s not under enough load.

I was missing the following line in my Xorg conf:

Option "FlatPanelProperties" "Scaling = Native"

I didn’t have proper playback settings in the following menu:

Setup -> Setup -> Appearance Go to the “Video Mode Settings”

I set everything to 1080p and auto.

I don’t know which setting fixed the problem, but it’s nice and smooth now!

GVimPortable Settings

I’ve had many frustrating moments trying to put GVimPortable on Windows systems. The biggest difference is that GVimPortable doesn’t follow the normal vimrc conventions for Windows.

Simply put your settings in GVimPortable/Data/settings/vimrc . Notice that there’s no underscore or dot as is the convention with the normal Windows binary. Also note that it ignores _vimrc files in your home directory, but it will happily display that file if you try and edit the settings via the GUI. All in all, this is extremely confusing and frustrating. The documentation does make this clear however, but I’d rather the normal conventions be followed.

Installing Citrix ICA Client on Fedora 17 (64-bit)

1. Enable RPMFusion repository

2. Install the dependencies:

Drop to a terminal and run:

su -c "yum install openmotif.i686 alsa-lib.i686"

The link keeps on changing for the ICAClient RPM, so go to download.citrix.com and do the following:

  1. Click downloads
  2. Select “Citrix Receiver” under “Select Product”
  3. Select “Receivers by platform” under “select download type”
  4. Click find
  5. Expand “Receiver for Other Platforms”
  6. Choose the Linux Receiver
  7. Choose the RPM version

Now install it:

su -c "yum localinstall ICAClient-*.rpm"

Now you should have “Citrix Receiver” under Applications -> Internet

Installing a MATE-Only Desktop on Fedora 17

I got tired of waiting for Fedora 18 today, so I downloaded the Alpha version. Wow, they weren’t kidding when they said it wasn’t fit for human consumption. I couldn’t set up LVM or LUKS properly with the installer. Even if I manually created the partitions, the GUI tended to just crash at random.

I’m sure it’ll be ready in time, but I decided to revert back to Fedora 17. I couldn’t wait any longer for the MATE desktop though. I’ve been using KDE, but it’s just not the same. I miss the raw usability of GNOME 2 that just lets you get things done.

To make things simpler for people who want a MATE-only setup, I’ve documented my experiences here. The good news is that it’s very stable and usable, so read on!

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