http://www.sysdigg.com Mon, 30 Jan 2012 19:31:24 +0000 en hourly 1 http://wordpress.org/?v=3.3.1 http://www.sysdigg.com/how-to-add-scsi-disk-on-rhel-5-in-vmware http://www.sysdigg.com/how-to-add-scsi-disk-on-rhel-5-in-vmware#comments Sun, 10 Apr 2011 02:18:36 +0000 Eddy http://www.sysdigg.com/?p=5119 VMware allows systems administrators to add additional SCSI disks onto Linux virtual machines (CentOS, Ubuntu,RHEL 5, Fedora ). In RHEL 5 or other Linux flavors you can rescan the newly added disk drive without rebooting the machines. The ability to dynamically add new additional SCSI disk drives in VMWare allows greater flexibility to  add disk [...]]]> http://www.sysdigg.com/how-to-add-scsi-disk-on-rhel-5-in-vmware/feed 0 http://www.sysdigg.com/how-to-find-device-name-for-cdromdvd-in-linux http://www.sysdigg.com/how-to-find-device-name-for-cdromdvd-in-linux#comments Tue, 22 Mar 2011 01:56:47 +0000 Eddy http://www.sysdigg.com/?p=5044 In Linux some time it’s tricky to find what’s the device name used for CDROM/DVD drive, on HP ,IBM , DELL or CISCO UCS blades or any other hardware you can run this simple command to find out the device name for the DVD/CD drive. First thing you would need is to  connect to machine [...]]]> http://www.sysdigg.com/how-to-find-device-name-for-cdromdvd-in-linux/feed 0 http://www.sysdigg.com/how-to-install-apache-mod_proxy_html-module-on-centos http://www.sysdigg.com/how-to-install-apache-mod_proxy_html-module-on-centos#comments Tue, 04 Jan 2011 00:54:06 +0000 Eddy http://www.sysdigg.com/?p=4922 The apache mod_proxy_html module is output filter that can be used as gateway for internal application server on external web server. If a company running a application server appserver.abc.com visible to  internal network only and a public external facing website www.abc.com to make the the application server accessible at pubic url like http://www.abc.com/appserver. In CentOS [...]]]> http://www.sysdigg.com/how-to-install-apache-mod_proxy_html-module-on-centos/feed 1 http://www.sysdigg.com/how-to-create-iso-file-from-dvdcdrom-in-linux http://www.sysdigg.com/how-to-create-iso-file-from-dvdcdrom-in-linux#comments Tue, 27 Jan 2009 01:10:17 +0000 Eddy http://www.sysdigg.com/how-to-create-iso-file-from-dvdcdrom-in-linux In Linux you can create ISO image file from CDROM/DVD using online command. If you haven’t ever tried converting CDROM into ISO file in Linux then you must check this out. There are various advantage of having an ISO file, imaging you have one Software CD to run installation on several servers you probably have [...]]]> http://www.sysdigg.com/how-to-create-iso-file-from-dvdcdrom-in-linux/feed 1 http://www.sysdigg.com/how-to-replace-stringtext-in-multiple-files-using-sed http://www.sysdigg.com/how-to-replace-stringtext-in-multiple-files-using-sed#comments Mon, 10 Nov 2008 23:34:40 +0000 Eddy http://www.sysdigg.com/how-to-replace-stringtext-in-multiple-files-using-sed How to replace string/text in multiple files using sed The streamline editor (sed) is very useful command for searching and replacing string/texts in multiple files As an example i am going to show you how i have used sed on my Linux web server. I have hundreds of file under a linux directory where i [...]]]> http://www.sysdigg.com/how-to-replace-stringtext-in-multiple-files-using-sed/feed 0 http://www.sysdigg.com/no-video-display-in-rhel5-linux-installation-on-hs21-blades http://www.sysdigg.com/no-video-display-in-rhel5-linux-installation-on-hs21-blades#comments Thu, 30 Oct 2008 01:29:36 +0000 Eddy http://www.sysdigg.com/no-video-display-in-rhel5-linux-installation-on-hs21-blades Working on IBM Blades is not very fun, things get harder day by day when you start noticing one issues after another. I spend several days just to update the firmware on all IBM HS21 blades. I remember 6-7 years ago working on IBM Blades, the administrative console now called Advanced management module for managing [...]]]> http://www.sysdigg.com/no-video-display-in-rhel5-linux-installation-on-hs21-blades/feed 2 http://www.sysdigg.com/dell-inspiron-mini-9-laptop-349-runs-ubuntu-linux http://www.sysdigg.com/dell-inspiron-mini-9-laptop-349-runs-ubuntu-linux#comments Sat, 27 Sep 2008 05:36:50 +0000 Eddy http://www.sysdigg.com/?p=44 The Dell Inspiron Mini 9 ultra-portable Laptop will cost you only $349 for selecting Ubuntu Linux as your Operating system. This is one of the smart choice since you wouldn’t be dealing with virus,Trojans, Malware, and Spyware issues, there wouldn’t be any blue screen of death on using Ubuntu Linux on your Dell mini 9 [...]]]> http://www.sysdigg.com/dell-inspiron-mini-9-laptop-349-runs-ubuntu-linux/feed 0 http://www.sysdigg.com/how-to-display-list-kernel-device-drivers-or-modules-in-linux http://www.sysdigg.com/how-to-display-list-kernel-device-drivers-or-modules-in-linux#comments Mon, 15 Sep 2008 23:40:33 +0000 Eddy http://sysdigg.com/?p=27 # lsmod |more Module Size Used by autofs4 24389 2 hidp 23105 2 rfcomm 42457 0 l2cap 29633 10 hidp,rfcomm bluetooth 53925 5 hidp,rfcomm,l2cap sunrpc 144253 1 dm_multipath 21577 0 video 19269 0 sbs 18533 0 ---- - - ---- - - You can also find out if particular device driver or kernel modules is loaded and running on your Linux by displaying contents of /proc/modules file: # lsmod |more Module Size Used by autofs4 24389 2 hidp 23105 2 rfcomm 42457 0 l2cap 29633 10 hidp,rfcomm bluetooth 53925 5 hidp,rfcomm,l2cap sunrpc 144253 1 dm_multipath 21577 0 video 19269 0 sbs 18533 0 ---- - - ---- - -]]> http://www.sysdigg.com/how-to-display-list-kernel-device-drivers-or-modules-in-linux/feed 0 http://www.sysdigg.com/how-to-disable-ipv6-in-rhel-5-linux http://www.sysdigg.com/how-to-disable-ipv6-in-rhel-5-linux#comments Mon, 08 Sep 2008 23:15:20 +0000 Eddy http://sysdigg.com/?p=11 In Red Hat Enterprise 5 Linux internet protocol version 6 (IPv6) module is turned on by default and if your network is not ready to run IPv6 then you need to turn it off on your Linux server.]]> http://www.sysdigg.com/how-to-disable-ipv6-in-rhel-5-linux/feed 4