shell{&}co – Page 12

Change the MySQL datadir

Simple but useful, you will find below the steps on how to change the MySQL datadir. It is based on the following information (you have to adapt them according to your environment) : current datadir : /var/lib/mysql new datadir :

Configure proFTPd with TLS and IP address restriction

If you want to secure your proFTPD server to use TLS, follow these steps : Edit the file proftpd.conf vi /etc/proftpd/proftpd.conf If don’t need IPv6, disable it : UseIPv6 off Force listening on one specific IP address and a specific

Secure your WordPress updates

I have found an interesting article on how to use ssh to update your WordPress blog instead of the default method (FTP/FTPS). The steps are the following : create a new user account adduser wp-user set the security rights for

Automatic pictures resizing with Imagemagick

This script can be useful if you want to create a web picture gallery. The first version is described here. This version is using Python and the ImageMagick tool convert (documentation here). The script will resize pictures in two formats

Remove group membership from multiple domain

The Powershell cmdlet Remove-ADGroupMember have a problem to remove group membership in this case : user account from Domain1.domain.local group from Domain2.domain.local If you run the command : Remove-ADGroupMember -Identity “CN=GroupName,OU=Groups,DC=Domain2,DC=domain,DC=local” -Members “CN=UserName,OU=Users,DC=Domain1,DC=domain,DC=local” -confirm:$false -server “dc01.Domain1.domain.local” You will have the

Show top IP addresses Accessing, Spamming or DoSing your website

With the following awk script, you will show top IP addresses Accessing/Spamming/DoSing your website Tested with success on Apache. # creates a histogram of values in the first column of piped-in data function max(arr, big) { big = 0; for

Windows : Can’t delete a folder with a trailing space

Recently, I have received this error message while deleting a folder tree : The cause is a trailing space in the folder name. The only to delete this folder is to run this command : rd “\\?\G:\folder_with_a_trailing_space “ I have

Remove all group memberships from a user

This script can remove all group memberships from an Active Directory user, except the “Domain Users” group import-module activedirectory $DistinguishedName = “cn=youruseraccount,ou=users,dc=domain,dc=local” (Get-ADUser $DistinguishedName -Properties MemberOf | Select-Object MemberOf).MemberOf | % { Remove-ADGroupMember -Identity $_ -Members $DistinguishedName -confirm:$false } My

Set a random password to an Active Directory user

This script use the function GET-Temppassword to set a random password to a user account. You can customize this function with your own criteria import-module activedirectory Function GET-Temppassword() { $chars_min = [Char[]]”abcdefghijklmnopqrstuvwxyz” $chars_maj = [Char[]]”ABCDEFGHIJKLMNOPQRSTUVWXYZ” $chars_num = [Char[]]”0123456789″ $x_min =

Test primary Exchange email information

This simple script to check if an email address is the primary one defined in Exchange. For that case, the attribute WindowsEmailAddress is compared to the provided email in the variable $email . # Exchange PS module is required to