50 recent changes in HomeInfra Web retrieved at 06:30 (GMT)

Linux experiments Work in progress! Just some random notes on various experimental installations, configurations, setups... It might give you some inspiration too...

Blackhole routing Info at: https://www.spamhaus.org/drop/ Run this script from /etc/cron.daily on your routers/servers and it will reduce malicious traffic a lot....

digraph { rankdir=LR; message color="red", shape="signature" ; Maildir color="darkgreen",shape="folder" ; message haproxy color="red",style="bol...

Scalable mail cluster This is one way to build a scalable mail infrastructure. Besides GlusterFS, the performance is pretty good. "Business Case" for this setup: ...

Previous setup (until August 2015) Old Toshiba laptop as server, using Debian Squeeze as host OS and vserver containers running Wheezy. digraph { rankdir=TB; ...

HomeInfra Web Preferences Appearance * Set WEBBGCOLOR = #efefef * web specific background color, current color * Set SITEMAPLIST = on * set t...

/etc/ntp.conf # Some nearby ntp pool servers server nl.pool.ntp.org server be.pool.ntp.org server de.pool.ntp.org server uk.pool.ntp.org # My extra servers server...

WebDAV on Apache 2.4 Make sure the modules dav, davfs and auth_basic are enable. For Debian/Ubuntu distributions execute a2enmod dav a2enmod dav_fs a2enmod auth_b...

Kalob integrates (web)mail, calendar, todo, filesharing... In basis it is a combination of well known and solid opensource software, including Postfix, MySQL and...

digraph { rankdir=TB; newrank=true; compound=true; bind PowerDNS }

Disk /etc/sysctl.conf vm.dirty_writeback_centisecs = 1500 vm.dirty_expire_centisecs = 9000 vm.dirty_background_ratio = 20 vm.dirty_ratio = 80 vm.swappiness = 5 Wh...

more info https://help.ubuntu.com/community/FilesystemTroubleshooting Read only test (fast) fsck.ext4 f k c C0 /dev/sdaX Non destructive read/write test... sl...

HAProxy is the key element for the mail cluster. /etc/haproxy/haproxy.cfg global log /dev/log local0 log /dev/log local1 notice chroot /var/lib/haproxy stats ...

NGINX as compressor, TLS offloader, loadbalancer Schematic overview digraph { rankdir=TB; newrank=true; compound=false; browser nginx ...

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Installation/creation Container creation lxc create n container name t download d ubuntu r trusty a amd64 Creating a lightweight clone lxc clone s Creat...

more info at https://help.ubuntu.com/lts/serverguide/openldap server.html Server apt get install slapd ldap utils initial configuration dpkg reconfigure slapd C...

GlusterFS http://www.gluster.org/ Gluster in containers https://www.flockport.com/build distributed storage nodes with lxc and gluster/ Create node in LXC mknod ...

Exim specific install # apt get install exim4 daemon light openssl ca certificates tools /usr/share/doc/exim4 base/examples/exim gencert update exim4.conf /etc/ex...

http://en.open lamp.com/authenticate emails with dkim on debian or ubuntu linux/ Generate the keys cd /etc/exim4 openssl genrsa out dkim.private 1024 openssl rsa...

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