This article is about how to create swap space on a live RHEL/CentOS Linux system. However you can still follow that procedure in case you messed up your filesystem and swap is now non-existent (e.g.: swap show 0M). First, use fdisk to edit the partition table and create a partition (this step might be skipped… Read More »
Installing R1Soft agent using YUM is pretty straight forward. Simply do the following steps. 1. Edit the R1Soft YUM repo file : /etc/yum.repos.d/r1soft.repo 2. Append the following : [r1soft] name=R1Soft Repository Server baseurl=http://repo.r1soft.com/yum/stable/$basearch/ enabled=1 gpgcheck=0 3. Install the agent : yum install r1soft-cdp-enterprise-agent 4. MISC : You might see the following output message once the… Read More »
Here is a quick how to install DirectAdmin under your Linux/BSD server. Unlike other control panels, DA support various operating systems such as CentOS/RHEL, FreeBSD, Debian and Ubuntu. Make sure your system is a fresh install and up to date before starting the process. If you are performing the installation remotely, I strongly recommend you… Read More »
Here is the easy way to install cPanel on your RHEL/CentOS Linux server. Please note that cPanel require a fresh OS install. The installation might take around 30 minutes depending on your hardware. If you are performing the installation remotely, I strongly suggest that you run the installer under a “screen” session to avoid any… Read More »
Plesk 11 for Windows install might return the following error : MSI: Error! Setup is missing an installation prerequisite: -Microsoft SQL Server 2012 System CLR Types. To continue, install SQL Server 2012 System CLR Types from http://go.microsoft.com/fwlink/?LinkID=116207 and then run the Setup operation again Failed to install ‘C:\ParallelsInstaller\parallels\PANEL-WIN_11.0.9\thirdparty-msi-Windows-any-x86_64\sqlsmo_x64.msi’: Fatal error during installation. (Error code 1603)… Read More »
Plesk Auto-Installer (ai.exe) execution pop-up and close preventing any further action on Windows Server 2008. UAC (User Account Control) must be disabled in order to install Plesk. To disable UAC, go to : – Control Panel > User Accounts > Change User Account Control settings
Chipset driver for Windows Server on HP Proliant DL160 might appear as “Unknown device” in the Device Manager and listed as : ACPI\HPQ000B\0 ACPI\HPQ000B *HPQ000B The proper driver on HP Web site will be listed as : HP Proliant Management Controller Driver (Device ID: HPQ000B)
Here is an easy way to either speed up or slow down the RAID re-synchronization speed rate on Linux. There is many reason why you would do that. Leaving your array rebuilding at full speed might dramatically slow down your server. Set the minimum synchronization speed : echo 102400 > /proc/sys/dev/raid/speed_limit_min Set the maximum synchronization speed… Read More »
Most of low end motherboard will have IRQ/Call Trace issues on Linux. To resolve this, you might to force irqpoll. To achieve that, edit the grub config : gksudo gedit /boot/grub/menu.lst And then, add “acpi=force irqpoll”: defoptions=quiet splash acpi=force irqpoll Update Grub : sudo update-grub If you are using grub2 : gksudo gedit /etc/default/grub And… Read More »
The easiest way of disabling ICMP echo request on Linux is doing it on the kernel level. To disable ICMP immediately on a running system, simply enter the following command : echo 1 > /proc/sys/net/ipv4/icmp_echo_ignore_all This command will not survive to the next reboot. To make it permanent, edit : vi /etc/sysctl.conf And add :… Read More »