HTTP download speed difference in windows 7 vs Linux I have a strange situation regarding a Windows PC which is showing limited internet transfer speeds for no apparent reason. If I am performing the same test on Linux box then I am getting good speed. Upon intense debugging, I am able to diagnose and find out…
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How to upgrade ubuntu 16.04 to ubuntu 18.04 ?
How to upgrade ubuntu 16.04 to ubuntu 18.04 ? Check Ubuntu version before upgrading. lsb_release -a First, we have to run an update sudo apt update Then run upgrade command sudo apt upgrade After that dist-upgrade sudo apt dist-upgrade Then update core manager sudo apt install update-manager-core Then edit below file sudo vim /etc/update-manager/release-upgrades At…
command to activate VG on LVM?
Command to activate VG on LVM? When you create a volume group, by default, it is activated. Sometimes you may need to activate it manually to make the kernel aware of volume groups. To activate, # vhchage -ay my_vg_name To De-activate, # vgchnage -an my_vg_name A command to activate the VG in a cluster? To…
How to get mail statistics from your postfix mail logs
How to get mail statistics from your postfix mail logs Its an amazing tool and will provide you the following details Total number of: Messages received, delivered, forwarded, deferred, bounced and rejected Bytes in messages received and delivered Sending and Recipient Hosts/Domains Senders and Recipients Optional SMTPD totals for number of connections, number of…
How to extend disk space in windows 2012
How to extend disk space in windows 2012 Login to windows. Click on Start run and type cmd. In windows command prompt. run diskpart.exe DISKPART prompt will come. diskpart >list volume Above command will show list of volumes. Select volume volume number It will select the volume which you want to extend. extend filesystem It…
dd command to migrate VPS on linux platform
dd command to migrate VPS on linux platform. First create new vps with same configuration on another node. It doesn’t matter new vps is having os or not or you can choose any OS. Once same configuration VPS setup done then use below command to migrate VPS. dd if=/dev/guestos/kvm2351_img | ssh 10.10.10.10 “dd of=/dev/guestos/kvm2520_img” Once migration is…
Kill restore process in new cpanel
Kill restore process in new cpanel In new cpanel/WHM when we try to kill restore process it is still showing in WHM >> restore full backup. Below are the steps to remove that process from WHM. You can manually mark the transfer as completed using the following instructions: Ensure the transfer is no longer…
Idera backup agent configuration
How to configure Idera backup agent Installing Agent Using YUM First, create a YUM .repo file with the R1Soft repository information. Open the new file with a text editor such as vi or nano: # cd /etc/yum.repos.d vi r1soft.repo Insert the following text into the file and save the file: [r1soft] name=R1Soft Repository Server baseurl=http://repo.r1soft.com/yum/stable/$basearch/…
How to install ioping in linux server
How to install ioping in linux server This tool lets you monitor I/O latency in real time. It shows disk latency in the same way as ping shows network latency. Login to SSH. Go to the folder where you want to download it. cd /usr/local/src Download the installation file. https://ioping.googlecode.com/files/ioping-0.6.tar.gz Extract that file using below…
How to tweak linux server harddisk using hdparm
Tune your hard disk for high performance Using hdparm First of all you have to install hdparm in linux. apt-get install hdparm #hdparm /dev/sda /dev/sda: readonly = 0 (off) readahead = 120 (on) geometry = 8850/255/63, sectors = 142182912, start = 0 Hard disk Performance Information # hdparm -tT /dev/hda /dev/hdd: Timing cached reads:…