Jack's Blog

Android Apps

Posted on Feb 27, 2019

Android Apps I use and recommend

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Self-Contained Puppet Control Repository

Posted on Feb 17, 2019

An entirely self-contained Control Repository for Puppet Configuration Management

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OpenLDAP: Implementation specific error 80 when adding TLS Certificate

Posted on Feb 11, 2019

ldapmodify returns 'Other (e.g., implementation specific) error (80)' when configuring slapd to use TLSCertificateFile TLSCertificateKeyFile

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Locking down Traefik systemd service

Posted on Dec 17, 2018

Keep Traefik service secure and fail-safe by it sandboxing with systemd

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Project Idea: XMPP Message Transfer Adapter

Posted on Dec 5, 2018

An idea for basic XMPP messaging through HTTP

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Modify process credentials in Linux kernel

Posted on Nov 25, 2018

How to modify the process credentials structure `cred` from Linux kernel-space

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Query CPUID with Inline Assembly

Posted on Nov 21, 2018

How to query the CPUID x86 opcode with GCC's Inline Assembly in C

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Boot encrypted Linux from GRUB

Posted on Oct 15, 2018

How to boot Linux with an encrypted root partition from GRUB shell

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Sequential Unit Startup in Systemd

Posted on Sep 13, 2018

How to sequentially launch multiple oneshot systemd services

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Xiaomi Mi A1 LineageOS with microG

Posted on Aug 25, 2018

How to unlock the bootloader, flash a custom recovery (TWRP) and install LineageOS with microG on your Xiaomi Mi A1 Global (tissot)