hacks

LXC scripts for unprivileged containers

Handling LXC unprivileged containers as root is not possible with the default LXC programs, because they must be called by the user who owns them and sometime is also necessary to specify the container's configuration file. For example, running lxc-ls as root...

Bloccare gli HELO/EHLO con falso DNS

La Sezione 3.5 del documento RFC-821 afferma che The sender-SMTP MUST ensure that the <domain> parameter in a HELO command is a valid principal host domain name for the client host. As a result, the receiver-SMTP will not have to perform MX...

Playing with qmail-spp

qmail-spp provides plug-in support for qmail-smtpd. It allows you to write external programs and use them to check SMTP command argument validity. The plug-in can trigger several actions, like denying a command with an error message, logging data, adding a header...

Migrating from Linux-VServer to LXC (Slackware)

Tired of the nightmares of remotely compiling the kernel with Linux-VServer, a software that I'm pleased with despite of some lack of documentation, these days I was playing with LXC, which is included and supported by Slackware and for which the Linux...

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