Multi-Port Port Knocking with IPTables
Maybe you’re tired of all the fail2ban log messages about attempts to crack your ssh passwords. Maybe you have developers who need to access a… Read More »Multi-Port Port Knocking with IPTables
fedora
Bitcoin and Curve secp256k1 on Fedora
Fedora is 45 LOC away from working with bitcoin software. This blog post explores how OpenSSL can be changed to support it in a Fedora-friendly manner.
Updating CyanogenMod 11 (KitKat) Milestones on Encrypted Devices
Instructions for how to update a KitKat version of CyanogenMod’s Android distribution with adb on a computer and TWRP on the phone.
Fixing Chromium “your profile could not be opened”
A script to rebuild the sqlite files that Chromium/Chrome depend on.
RT4 Packages for EL7
You can now install RT/Request Tracker version 4 on CentOS/Redhat Enterprise 7 via RPM packages.
Installing CentOS 7 on Xen
Installing EL7 on a modern Xen setup requires some changes from the EL4/5/6 methodology.
Fixing Bad Drive Sectors on Linux
There’s some weird thing with modern SATA drives where they will fail a sector on read, but do the proper rewriting when asked to, and… Read More »Fixing Bad Drive Sectors on Linux
Dynamic Range Compression for PulseAudio
OK, so I did a good thing (got a working dynamic range compression going for PulseAudio) then I did a bad thing (forgot where I… Read More »Dynamic Range Compression for PulseAudio
Expanding a ZFS filesystem on LUKS/md-raid
I run my backups on a stack that consists of: md-raid mirror LUKS encryption ZFS zvol This works nicely as it’s easy to split off… Read More »Expanding a ZFS filesystem on LUKS/md-raid