Blog archive by Mattias Geniar

This is a list of all my blogposts. They range from highly technical to entry level, from Linux to PHP and server management.

2017-08

2017-08-29 Release Notes Driven Development (RNDD)
2017-08-28 Restore one-click certificate viewing in Chrome
2017-08-23 Removing root-owned files as a non-root user
2017-08-18 MariaDB: JSON datatype supported as of 10.2
2017-08-01 RHEL & CentOS 7.4 restores HTTP/2 functionality on Nginx

2017-07

2017-07-19 Podcast: The Ceremony, the birth of Zcash
2017-07-18 Choose source IP with ping to force ARP refreshes
2017-07-18 Apache httpd 2.2.15-60: underscores in hostnames are now blocked
2017-07-17 mysqldump without table locks (MyISAM and InnoDB)
2017-07-13 Unix time 1.500.000.000
2017-07-11 Launching the cron.weekly forum
2017-07-06 Some more nuances to the systemd debacle
2017-07-04 Podcast: Caching using Varnish
2017-07-02 Giving perspective on systemd’s “usernames that start with digit get root privileges”-bug

2017-06

2017-06-20 MariaDB MaxScale 2.1 defaulting to IPv6

2017-05

2017-05-31 HTTP/2 push is tougher than I thought
2017-05-24 Samba CVE-2017-7494: Remote Code Execution in Samba 3.5.0 and upwards
2017-05-19 CentOS 7.4 to ship with TLS 1.2 + ALPN
2017-05-19 (Dutch) Tech45 podcast #341: Technologica & WannaCry ransomware
2017-05-18 WordPress starts Bug Bounty program on HackerOne
2017-05-15 Ways in which the WannaCry ransomware could have been much worse
2017-05-08 Why the Next 10 Days Are Critical to the Internet’s Future
2017-05-08 Chrome to restore one-click certificate viewing in browser
2017-05-04 NIST recommendation: remove periodic password change requirements
2017-05-02 How to enable TLS 1.3 on Nginx
2017-05-02 Remote security exploit in all 2008+ Intel platforms
2017-05-01 Are homogenic nameserver names a single point of failure?

2017-04

2017-04-28 Top 5 security checks for secure, unhackable web applications
2017-04-24 cron.weekly issue #77: OpenStack, Moby, Caddy, Devuan, Linuxkit, Tmux, Jenkins & more
2017-04-21 Canada Just Ruled to Uphold Net Neutrality
2017-04-20 Follow-up: MIT no longer owns their /8
2017-04-20 Interview on Laravel Spark & DNS Spy
2017-04-19 MIT no longer owns 18.0.0.0/8
2017-04-19 DNS Spy has launched!
2017-04-11 Nginx might have 33% market share, Apache isn’t falling below 50%
2017-04-08 CAA checking becomes mandatory for SSL/TLS certificates

2017-03

2017-03-24 Intent to Deprecate and Remove: Trust in existing Symantec-issued Certificates
2017-03-20 cron.weekly issue #72: FreeBSD, lkml, llvm, dnscontrol, buck, ReOpenLDAP, Postfix, Bash, Xargs & more
2017-03-16 Finding the biggest data (storage) consumers in Zabbix
2017-03-09 Drupal 7.x Services module unserialize() to Remote Code Execution
2017-03-09 WordPress on PHP 7.1
2017-03-09 CVE-2017-2636: Linux local privilege escalation flaw in ‘n_hdlc’
2017-03-06 cron.weekly issue #70: GitHub, Kompose, Usql, tmux-cssh, HAProxy, icdiff, GlusterFS & more
2017-03-03 Log all queries in a Laravel CLI command
2017-03-02 Podcast: Config Management Camp: Kubernetes, Sysdig & Mgmt
2017-03-01 DNS Spy enters public beta

2017-02

2017-02-28 Mitigating PHP's long standing issue with OPCache leaking sensitive data
2017-02-24 Cloudbleed: Cloudflare Reverse Proxies have Dumped Uninitialized Memory
2017-02-23 Announcing the first SHA1 collision
2017-02-23 Kernel patching with kexec: updating a CentOS 7 kernel without a full reboot
2017-02-22 Linux kernel: CVE-2017-6074 – local privilege escalation in DCCP
2017-02-18 Security is Hard: Where Do I Start?
2017-02-18 HTML & CSS Is Hard: A friendly web development tutorial
2017-02-12 PHP 7.2 to get modern cryptography into its standard library
2017-02-12 IETF Draft: Hypertext Transfer Protocol (HTTP) over multicast QUIC
2017-02-09 Introducing Docker Secrets Management
2017-02-08 Server-side timings in the Chrome Devtools
2017-02-07 Review: Ubiquiti's Amplifi HD, mesh WiFi networking done right?
2017-02-06 Brotli compression saves 1.5 petabytes per day at Google’s Play Store
2017-02-06 Flame graphs for file systems
2017-02-06 cron.weekly issue #66: Git Filesystem, Security, JVM, Fission, Habitat, TLS 1.3
2017-02-04 Microsoft announces GVFS: Git Virtual File System
2017-02-02 Stop Disabling SELinux: A Real-World guide
2017-02-01 Standardising the “URL”

2017-01

2017-01-31 htop Explained Visually
2017-01-31 Implementing “Save For Offline” with Service Workers in the Browser
2017-01-29 A change of RSS feeds
2017-01-28 Look before you paste from a website to terminal
2017-01-27 Chrome 56 Will Aggressively Throttle Background Tabs
2017-01-23 Return of the Unauthenticated, Unfirewalled protocols
2017-01-19 Create a SOCKS proxy on a Linux server with SSH to bypass content filters
2017-01-18 Starting with sponsorships for this blog
2017-01-17 Despite revoked CA’s, StartCom and WoSign continue to sell certificates
2017-01-16 Google Infrastructure Security Design Overview
2017-01-16 WordPress to get secure, cryptographic updates
2017-01-11 Staying Safe Online – A short guide for non-technical people
2017-01-11 A collection of Drupal Drush one liners and commands
2017-01-11 Show the environment variables of a running process in Linux

2016-12

2016-12-31 In 2017, I’m going to stop watching the news
2016-12-28 Mac OSX keeps prompting SSH key passphrase, does not use KeyChain
2016-12-19 In virtual environments, less (CPU’s) is more

2016-11

2016-10

2016-10-30 Run Nginx proxy in Docker container for HTTP/2
2016-10-28 Varnish 5.x VCL configuration templates
2016-10-23 Pi-Hole: A DNS-based blacklist for ads and tracking for Raspberry Pi
2016-10-20 Varnish Explained
2016-10-19 macOS: Convert PDF to PNG files for each page
2016-10-18 From MailChimp to Sendy: how I saved 600$ a year

2016-09

2016-09-29 Heads up: CentOS 5 goes end-of-life in 6 months
2016-09-15 Varnish Cache 5.0 Released

2016-08

2016-08-26 Podcast: Application Security, Cryptography & PHP
2016-08-16 TCP vulnerability in Linux kernels pre 4.7: CVE-2016-5696
2016-08-12 youtube-dl: download audio-only files from YouTube on Mac
2016-08-11 Mark a varnish backend as healthy, sick or automatic via CLI
2016-08-09 zsh: slow startup for new terminals
2016-08-09 Docker Cheat Sheet
2016-08-08 Awk trick: show lines longer than X characters
2016-08-08 Podcast: Ansible config management & deploying code with James Cammarata
2016-08-02 Postfix mail queue: deliver e-mail to an alternate address

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