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Linux Support, Oracle Linux, Red Hat Enterprise Linux, SUSE, Oracle Unbreakable Enterprise Kernel and the Oracle Unbreakable Linux Support Program (ULN) resources, news, and support articles.

Fixing rpc.statd is not running but is required for remote locking

If you come across this error while attempting to mount an NFS filesystem it means that the statd process is not running. # mount -a -t nfs   mount.nfs: rpc.statd is not running but is required for remote locking. mount.nfs: Either use '-o nolock' to keep locks local, or start statd. mount.nfs: an incorrect mount […]
The post Fixing rpc.statd is not running but is required for remote locking appeared first on Backdrift.

Enabling Debugging for Linux Systems for Centrify Express on CentOS 6

 
Step 1: Enable Debugging for Centrify
# /usr/share/centrifydc/bin/addebug on
/var/log/centrify_client.log does not exist. Creating now.
Configure /etc/rsyslog.conf
Send HUP signal to rsyslogd
Configure log level in /etc/centrifydc/centrifydc.conf
Reload /etc/centrifydc/centrifydc.conf
Centrify DirectControl debug logging is on
 Step 2: Collect support information via adinfo_extra.sh

Using pip to install python packages

Pointer 1: To install specific version of packages do
# pip install 'numpy==1.5.1'
Pointer 2: To show what files was installed
# pip show --files numpy
---
Name: numpy
Version: 1.8.1
Location: /usr/local/python-2.7.8/lib/python2.7/site-packages
Requires:
Files:
../numpy/__init__.py
.....
.....
Pointer 3: Uninstall a package

How to fix vyatta protocol daemon is not running

The problem: protocol daemon is not running While attempting to commit a change on a new vyatta router install I ran into this error: vyatta@host# commit   [[interfaces bonding bond0]] failed [ interfaces ethernet eth1 ] % Protocol daemon is not running   [[interfaces ethernet eth1]] failed [ interfaces ethernet eth0 ] % Protocol daemon […]
The post How to fix vyatta protocol daemon is not running appeared first on Backdrift.

Ubuntu install gnome classic from command line

Recent versions of Ubuntu is coming with Unity desktop which are bit heavy.
We can also install gnome classic from command line.
To install gnome classic or gnome session fallback use following command:
$ sudo apt-get install  gnome-session-fallback
After installing just logout from this session and relogin.
Before logging in click the icon(Ubuntu Icon) in the top right of the Login box and select Gnome classic and login to you account.
This will take to gnome classic desktop.

How to change window manager for GNOME

If I ask a Linux user what desktop environment he is running, most likely he can tell me the correct answer - GNOME, KDE, Xfce, LXDE, etc. But if I ask him what window manager he is running, I won't be too surprised if he can't answer me. In fact, not long ago, I did not know that myself. The Window Manager dictates how various visual elements - windows, panes, icons, etc - look, and how users may interact with these elements. There are many window manager choices: Metacity, Mutter, Compiz, Openbox, etc.

Compiling the python-igraph with Python 2.7 on CentOS 5

Step 1: Install Python 2.7
python-igraph requires Python 2.5 and above. Do look at Installing and Compiling Python 2.7.8 on CentOS 5
Step 2: Download and unpack python-igraph from python-igraph.
The current version is python-igraph 0.7
Step 3: Unpack and compile

Installing and Compiling Python 2.7.8 on CentOS 5

Step 1: Download the Python 2.7.8 from Python Site
Step 2: Use GCC44 to compile. If you have not done it, do
# yum install gcc44 gcc44-c++ gcc44-gfortran
Step 3: Update your alias in your  .bashrc
alias gcc='gcc44'
Step 4: Configure python 2.7.8

Compiling igraph-0.7.1 on CentOS 5

Setting up the igraph-0.7.1 in C is quite easy
Step 1: yum install gcc44 and above
# yum install gcc44 gcc44-c++ gcc44-gfortran
Step 2: Install libxml2 libraries
# yum install libxml2
Step 3: Download the igraph-0.7.1 from the igraph C site

How to manage linux bonding without ifenslave using sysfs

While working with a vyatta linux system I encountered a situation where bonded network interfaces were configured but the server didn’t have the ifenslave tool installed. As it turns out, linux bonded interfaces are easily managed directly through a simple sysfs interface. Here’s a quick run down of how to manage linux bonding without ifenslave […]

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