If you are using Nagios to monitor few hundred hosts / services. You may notice increasing disk IO. To keep nagios running as fresh installed, you can use ramdisk / tmpfs for files created during checks. Run following commands once. mkdir /var/ramdrive rm -rf /usr/local/nagios/var/spool/checkresults/ Change location for check results</strong> Enter followings in /etc/rc.local <code>mke2fs [...]
Full Story »Howto Install iotop on Ubuntu, CentOS & Fedora
Iotop is a Python program with a top like UI used to show of behalf of which process is the I/O going on Ubuntu sudo gedit /etc/apt/sources.list Edit source list & uncomment universe repo. e.g deb http://archive.ubuntu.com/ubuntu natty universe deb-src http://archive.ubuntu.com/ubuntu natty universe deb http://archive.ubuntu.com/ubuntu natty-updates universe deb-src http://archive.ubuntu.com/ubuntu natty-updates universe deb http://security.ubuntu.com/ubuntu natty-security universe [...]
Full Story »Fedora 15 – google chrome behind proxy
Current stable google chrome version 11.0.696.71 does not support Gnome shell proxy settings. Also if you do not wish to run google chrome with system wide proxy. This guide will help you. Edit google-chrome gnome shortcut sudo gedit /usr/local/share/applications/google-chrome.desktop change Exec=/opt/google/chrome/google-chrome %U To Exec=/opt/google/chrome/google-chrome %U –proxy-server=”192.168.1.1:3128″
Full Story »Howto Unlock Desktop -Fedora 15
If you wish to continue your habit of filling desktop with files & folders, tweak tool will help you unlock gnome 3 desktop. Install Gnome tweak tool yum install gnome-tweak-tool -y Let file manager handle desktop Credits
Full Story »Howto Power Off Fedora 15
Right after installing / upgrading to Fedora 15, you may not find option to power off, if your computer supports suspend. You can still get shutdown option by… Click on Right Top (User Name) Press ALT Key Suspend will change to Shutdown. If you prefer to add shutdown permanently. yum install gnome-shell-extensions-alternative-status-menu -y Once package [...]
Full Story »Creating a shortcut in Gnome3 -Fedora 15
If you are looking for to create shortcut for app that you prefer to use from TAR source, following procedure will help you. Create new shortcut using existing .desktop file. sudo cat /usr/share/applications/mozilla-firefox.desktop > /usr/local/share/applications/ffd.desktop Edit newly created .desktop & change path for executable & images. sudo gedit /usr/local/share/applications/ffd.desktop e.g Exec=/home/dhaval/myappz/nightly/firefox %u Icon=/home/dhaval/myappz/nightly/icons/mozicon128.png
Full Story »Upgrade Fedora 14 to 15 -using shell
Latest version of Fedora is available for download. All you need to do is to run following commands to upgrade fedora to latest version. yum -y update rpm –import http://download.fedora.redhat.com/pub/fedora/linux/releases/15/Everything/i386/os/RPM-GPG-KEY-fedora-i386 rpm -Uvh http://download.fedora.redhat.com/pub/fedora/linux/releases/15/Everything/i386/os/Packages/fedora-release-rawhide-15-1.noarch.rpm http://download.fedora.redhat.com/pub/fedora/linux/releases/15/Everything/i386/os/Packages/fedora-release-15-1.noarch.rpm yum upgrade -y If you are facing –skip-broken error because of libpanelappletmm, try following command. yum remove libpanelappletmm -y Or You [...]
Full Story »Create XenServer bootable USB
UNetbootin is capable enough to create bootable usb for popular distros. This is what I have been using to create Bootable XenServer usb. But if you use latest version of Unetbootin (549), you may get following error. mboot.c32: not a COM32R image To solve this error, either you need to mboot.c32 with /usr/lib/syslinux/mboot.c32 Or Use [...]
Full Story »Install SVN Server using source
If for some reason you wish to install svn using source than using rpm, this article may help you. Install dependency yum install httpd-devel Install sqlite wget http://www.sqlite.org/sqlite-amalgamation-3.6.13.tar.gz tar zxvf sqlite-amalgamation-3.6.13.tar.gz cd sqlite-3.6.13 ./configure && make && make install Install neon wget http://www.webdav.org/neon/neon-0.29.0.tar.gz tar zxvf neon-0.29.0.tar.gz cd neon-0.29.0 ./configure && make && make install Install [...]
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