At ServerPronto we build our customer’s orders precisely and accurately. We do double duty on quality control during the provisioning process, still, we encourage our customers to check the hardware settings of the server you ordered.
Linux commands to check hardware:
Harddrive
fdisk –l
Memory
cat /proc/meminfo
CPUcat /proc/cpuinfo
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Managing the hard drive on a server, meaning creating/ removing partitions and formatting/ activating slave drives is a vital step in setting up a server that we usually do for our customers. But sometimes users want to manage their storage by themselves; here is how to do it:
Linux:
to get an overview of your hard drives and to see partitions such as /dev/hda and /dev/hdb
fdisk –l
to manage the slave drive
fdisk /dev/hdb
p - to see partitions
d – to delete partitions
n - to create new partition
m – to display help in fdisk
w – to write changes
reboot
to format the partition
mke2fs –j /dev/hdb1
go into nano /etc/fstab and add the following to the end of the file
/dev/hdb1 /home ext3 defaults 1 2
to make the partitions usable and visible with df -h
mount –a
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Windows:
Access the built-in utility “Disk Management“. Go into the Control Panel -> go under Administrative Tools -> Computer Management -> on the left-hand side underneath Storage -> Disk Management.
Look on the bottom right and you’ll see something that looks like this picture. The disk with all of the unallocated space is what you’re after. Right, click on it. Select New Partition.
A wizard will pop up and walk you through this process. Choose a partition size. If this is a secondary drive then you’re obviously after pure storage space so just make it a primary partition and allocate 100% of your space to it.
The followed screen looks like this. Just clicking next until you get here.
If you’re only using Windows 2000/XP/Vista/Windows 7 and Windows server 2000/2003/2008, it is suggested using NTFS. If you’re dual booting then Fat32 would probably be a good idea if the other OS can’t read NTFS.
For NTFS the default cluster size is 4K which is pretty much the best tradeoff between speed and storage space.
Volume label is nothing other than the name you want it to be called.
Make sure you select the quick format or else it’ll be a while before you can use the disk.
Click next it’s just a summary of what you told it to do.
Click next and soon the new drive is available.
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More information at: http://www.easeus.com/resource/install-ide-hard-drive.htm
IPTables is an application program that allows to set up, maintain, and inspect the tables of IP packet filter rules provided by the Linux kernel.
All IPTables rules are stored on /etc/iptables.rules
You can open/close any port from it and then restart the network by running “etc/init.d/networking restart”
Before opening or closing ports, we recommend to first verify if the port is open or closed and who is using the port. There a number of different commands:
Commands to verify ports:
nmap IP#
nmap localhost
netstat –ntulp
to verify the single port
netstat -nap | grep  <port #>
to list all current rules in iptables
iptables -L
For opening a TCP port:
iptables -A INPUT -p tcp –dport <port #> -j ACCEPT
For opening a UDP port:
iptables -A INPUT -p udp –sport <port #> -j ACCEPT
Save changes:
iptables-save > /etc/iptables.rules
If you need to disable the firewall temporarily, you can flush all the rules using:
iptables -F
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For more detailed information visit
Iptables Description by Ubuntu Manuals
Iptables How-To for Ubuntu by Ubuntu Manuals
Iptables How-To for Debian by wiki.debian.org
We recommend installing a software on your server to keep track of how much bandwidth you are using. There are many open source solutions available one of them is vnStat.
vnStat:
vnStat is a console-based network traffic monitor for Linux and BSD that keeps a log of network traffic for the selected interface. It uses the network interface statistics provided by the kernel as the information source. This means that vnStat won’t actually be sniffing any traffic and also ensures light use of system resources.
Install:
Ubuntu/ Debian:
cd /usr/local/src
wget http://humdi.net/vnstat/vnstat-1.10.tar.gz tar -zxvf vnstat-1.10.tar.gz cd vnstat-1.10 make && make install vnstat -u -i eth0 chmod 700 /usr/bin/vnstat chmod 700 /var/lib/vnstat/ -R
http://www.dotcomunderground.com/blogs/2010/03/05/install-vnstat-network-traffic-monitor-linux/
CentOS:
For more information on vnStat visit: http://humdi.net/vnstat/
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ServerPronto offers the best affordable and secure hosting service in all dedicated server packages.
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• 1 FTP Account
• 5 Email Accounts
• 1 MySQL Database
ServerPronto offers affordable and secure dedicated servers and cloud hosting service packages.
Egypt finally restored its Internet service, but the unprecedented outage leaves questions in the minds of many. CNN published an article on Thursday titled, “Could the U.S. shut down the internet?” The report looks at whether the U.S. government could shut down American Internet connections, and if it’s possible for the global Internet to topple.