According to Canonical a parent organization behind Ubuntu, LivePatch on Kernel will help to resolve unwanted rebooting of system after patching.
The Canonical Livepatch Service enables you apply critical kernel security fixes to your Ubuntu 16.04 LTS system without rebooting. Available to all Ubuntu Advantage customers, the Canonical Livepatch Service reduces planned or unplanned downtime while maintaining compliance and security. Continue reading “Canonical Livepatch Service Apply critical kernel patches without rebooting.”
Setup your own Video sharing website like, Youtube.com , Vimeo.com or dailymotion.com using Clip Bucket video hosting / sharing code in 30 minutes.
First of all we need to update our Ubuntu 14.04 with latest updates
Continue reading “Clip Bucket 2.8 on Ubuntu 14.04 with NGINX & PHP5-FPM on DigitalOcean VPS”
Ntop Network Traffic monitoring in Linux Gateway machine (CentOS /RHEL / Fedora / Debian / Ubuntu) Urdu CBT by Babar Zahoor
In this CBT we can learn how to install & Configure NTOP Network TOP utility on Ubuntu / Debian based Linux machines to Monitor Network Traffic. It will also help learn how to configure NTOP utility on CentOS 5.x/6.x RHEL 5.x / 6.x Fedora 13/14/15/16/17/18/19/20 Ubuntu / Debian Linux based machines
DNSTop for bind server ApacheTop for Apache Web Server MyTop for MySQL Server Process Monitoring in Linux / Redhat / CentOS / Fedora Ubuntu Urdu CBT by Babar Zahoor
Setting up 802.1q VLAN tagging by loading 8021q Linux kernel driver
Check that Linux kernel driver module called 8021q is loaded:
# lsmod | grep 8021q
If it is not loaded, load it with the following modprobe command:
# modprobe 8021q
How to VLAN Linux usingCentOS/RHLE/Fedora Linux
I am using RHEL/CentOS Linux with VLAN ID # 5. So I need to copy file /etc/sysconfig/network-scripts/ifcfg-eth0 to /etc/sysconfig/network-scripts/ifcfg-eth0.5
# cp /etc/sysconfig/network-scripts/ifcfg-eth0 /etc/sysconfig/network-scripts/ifcfg-eth0.5
Now, I’ve one network card (eth0) and it needs to tagged network traffic for VLAN ID 5.
- eth0 – Your regular network interface
- eth0.5 – Your virtual interface that use untagged frames
Continue reading “….HOW TO VLAN USING LINUX DISTRO….”
What is Nagios
An enterprise-class monitoring and alerting solution that provides organizations with extended insight of their IT infrastructure before problems affect critical business processes.
We require following things for Installing Nagios:
These are Just Pre-requisites. We need them to other things work …
1. Apache and PhP (php is optional)
2. gcc, glib, glibc-common, gd and gd-devel
Continue reading “Installing Nagios core on RHEL / CENTOS 5.x – RHEL / CentOS 6.x Fedora 15/16/17/18/19/20”
Htop is a text-mode, interactive process viewer for Linux run via console/ssh, and to install htop on Linux is a pretty simple task. Among other things, htop allows you the following:
- Quickly view key performance statistics such as CPU(multi-core layout), Memory and Swap usage Details.
- Scroll the process list vertically and horizontally to see all processes and complete command lines.
- Kill processes by selection rather than entering process number, use mouse to select list items.
- PuTTY (the Telnet and SSH client) can be used for the interface at client.
How to install Htop
You can easily install htop on CentOS 6.x using yum, but first you need to install the rpmforge package repository applicable to your architecture 32bit or 64bit (if already not installed) by using the following commands:
Install RPM for CentOS 6.x
rpm -Uhv rpmforge-release*.rf.i386.rpm
rpm -Uhv rpmforge-release*.rf.x86_64.rpm
Once the repository is installed, all you need to do to install htop in CentOS is run the following:
yum install htop
Now run the following command at command prompt or in PuTTy to start htop processes viewer.
After the installation of Htop, you can view the manual and other utilities of Htop, with the following commands.
[qasim@server ]# man htop To view manual of htop, having complete details.
[qasim@server ]#htop -h To view different options/plug-ins.
[qasim@server ]#htop -u username To view the active user’s currently running processes information.
[qasim@server ]#htop -u qasim To view the qasim’s currently running processes information.
[qasim@server ]#htop -u root To view the root’s currently running processes information
Virtual Box Machine Settings
Virtual Box Machine Settings Urdu CBT by Babar Zahoor