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Tag Archives: howto
dovecot: remove maildirs
We are running dovecot as MDA. Dovecot gets its user details from OpenLDAP and adds new users automatically. But removing a user in LDAP does not mean it gets removed in Dovecot as well. To have this a little bit more comfortable, I created this little script here: Continue reading
Posted in howto, Linux, Mailserver
Tagged bashscript, code, dovecot, gentoo, grep example, howto, imap, ldap, Linux, mda, openldap, pop3, Software
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Locate all Apple serial numbers in a subnet
The command ioreg -l | grep IOPlatformSerialNumber will show you your Mac’s serial number. With this, you can find out when your Mac has been created if you enter this number to https://selfsolve.apple.com/agreementWarrantyDynamic.do For a whole network of Macs, this can become very boring. … Continue reading
Posted in howto, Software
Tagged apple, awk, awk example, bashscript, clients, code, grep, grep example, howto, osx, serial number, Software, subnet
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sslh: let https,ssh and openvpn share a single port
Introduction Maybe you know the situation: You successfully logged in to a corporate network and somehow you can’t reach your server. You check all possibilities and realize that some of the ports you desperately need to manage your daily life … Continue reading
If Your Squirrel Won’t Keep The House Clean
There are not many usable open source webmailer. We are running two: Squirrelmail and Roundcube. Besides that this can be really annoying when it comes to server-side filtering, this offers lots of benefits to our users. Some like it simple … Continue reading
Posted in howto, Linux, Mailserver
Tagged clean squirrelmail data directory, clear squirrelmail data directory, grep example, howto, imap, Linux, squirrelmail
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Howto split a SQL database dump into table-wise files
sql files containing a single database Splitting a sql file containing a whole database into per-table files is quite easy: Grep the .sql for any occurence of DROP TABLE. Generate the file name from the table name that is included … Continue reading
Posted in howto, Linux
Tagged awk, awk example, bashscript, code, file operations, grep, grep example, howto, mysql, split, sql
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find out if your Apache is really serving the right hosts
From time to time it can happen that websites that used to be on your webservers are being moved by your clients without notifying you. Therefore, you will have to search for «zombie websites». I have the following setup: There … Continue reading
Posted in howto, Linux, Webserver
Tagged apache, awk, awk example, bashscript, code, find ip of apache host, find ip of vhost, find vhosts, grep, grep example, howto, Linux, nslookup, server, Software, vhost, Webserver
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SFTP only and SSH only OpenSSH system with gentoo
Although there are many ways workarounding the lack of security with ye olde FTP, there is a quite handy solution: use OpenSSH via SCP/SFTP to handle the file transfers. There are many solutions which all try to restrict the access … Continue reading
icecast and awstats
Not much has yet been written about this topic and it really is no big deal but some sentences more would have made me feel more secure. Therefore, I tell what to do. We need icecast and awstats (definitely) and … Continue reading