Quick reference guides for various hosting a server management tasks. This is mostly and information dump for the many things I run into as a server manager.
Unfortunately due to the limited availability of IP addresses sometimes they are re-used from sources that have been black listed in the past. Generally blacklists are updated within 30 days of an IP not being reported for spam. However many services like Microsoft, Google, Yahoo and others, have taken to using their own systems…
In Linux I prefer using smartctl smartctl -i /dev/sda or hdparm -I /dev/sda | grep Serial Megacli RAid card — megacli -PDList -aALL or hdparm -I /dev/sdX | grep -i ‘serial’ Adaptec —- /usr/StorMan/arcconf getconfig 1 ================================ For Windows https://whatsonmypc.wordpress.com/2011/09/01/wmic/ If you have many hard drives like me, use this instead to help you know…
ttp://www.wikihow.com/Find-a-File-in-Linux find / -type f -iname “<file you want to find>” Examples find / -type f -iname “libphp5.so” find / -type d -iname “ibdata1” find / -type f -iname “*arcconf” grep -R ‘AllowNoPassword’ / egrep ‘User’ /etc/apache2/apache2.conf grep DocumentRoot /etc/apache2/apache2.conf To find files larger than 100MB, use this command: find / -type f -size +100000k…
Optimizing an Entry Level WHM/Cpanel VPS Server https://my.bluehost.com/cgi/help/2521 How To Enable GZIP Compression In cPanel WHM https://nixcp.com/free-cpanel-plugins/
The output of the ‘df’ command will show you overall disk usage. To find out how much space a give directory is used us the ‘du -s ‘ command. Once you are connected to the server via SSH, run the following command: # df -h This will output the usage of each partition in the…
For changing the main/primary domain, you will need to have root SSH access and be able to locate and edit the following file (replacing your user & domain info): /var/cpanel/userdata/USERNAME/DOMAIN.COM 1. Once you have opened the file, look for the following line: documentroot: /home/USERNAME/public_html 2. Modify the location according to your needs. Save it and…
Warning the following guide will teach you how to completely delete files from your server. This needs to be run as root so be EXTRA careful before running any command and double check the files that you delete, these will be non-recoverable. If you are working on a small VPS it is not uncommon to…
You can set your SSH port through the command line by editing the ssh configuration file ( /etc/ssh/sshd_config ) with this command. Note: if you are runnning a firewall on the server you will want to open the desired port before proceeding. nano /etc/ssh/sshd_config You can now edit the configuration file. It will start something…
############ Creating Users ############ useradd————— create a user with default home directory useradd -m <username> Create a user with different home directory useradd -m -d <directoy> <username> Create A User With An Expiry Date useradd -e 2016-02-05 <username> ###note The date must be specified in the format YYYY-MM-DD How To Create A User And Assign…