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.
2015-12
2015-11
- What is a 'unikernel'?
- Querying JSON data at the command line with ‘jq’
- PHP’s Memcached sessions: Failed to write session data (memcached) for Magento
- Create a password-protected ZIP file on Mac OSX
- Chrome drops NPN support for HTTP/2, ALPN only
- Simulate low-bandwidth conditions with Chrome’s network throttling
- Auto resize screen size for Windows 10 guest VMs in Virtualbox
- Nginx: Cannot assign requested address for upstream
- Linux increase ip_local_port_range TCP port range
2015-10
- Enable Keepalive connections in Nginx Upstream proxy configurations
- The Lie We Live: The Gigabyte That Isn’t
- Varnish VCL Syntax Highlighting in Sublime Text
- How To Generate a /etc/passwd password hash via the Command Line on Linux
- Firefox Nightly starts marking login-forms in HTTP as insecure
- A Distributed Web
- 25% of all websites are about to get a REST API
- The Ping That Makes a Sound
2015-09
2015-08
- Pretty git log in one line
- MySQL Back-up: Take a mysqldump with each database in its own SQL File
- Install Go 1.5 On CentOS 6 and 7
- Foreman 1.9: ERROR: column hosts.last_freshcheck does not exist
- Apache 2.4: Unknown Authz provider: ip
- iPhone’s “Field Test” debug screen: Dial *3001#12345#* for the real signal strength
- Nginx SSL Certificate Errors: PEM_read_bio_X509_AUX, PEM_read_bio_X509, SSL_CTX_use_PrivateKey_file
- The Hidden “Refresh” Menu in Chrome when Developer Tools Are Opened
- Apple’s DYLD_PRINT_TO_FILE vulnerability: from zero to root in 2 seconds
- Bind/Named Crash: REQUIRE(*name == ((void *)0)) failed, CVE-2015-5477
- How To Read The SSL Certificate Info From the CLI
- What happens to a new URL the first 10 minutes on the internet?
- Block User-Agent in htaccess for Apache Webserver
- Effectively Using and Detecting The Slowloris HTTP DoS Tool
- Start or Stop a Service on CentOS 7
- Enable or Disable Service At Boot on CentOS 7
- Monitor All HTTP Requests (like TCPdump) On a Linux Server with httpry
- How To Use A Jumphost in your SSH Client Configurations
- How To Create A Self-Signed SSL Certificate With OpenSSL
- supervisor job: spawnerr: can’t find command ‘something’
- How To Clear PHP’s Opcache
- How To Take a Screenshot on Your Apple Watch
- Rsyslog Configuration with Dynamic Log File Destination Based On Program Name
- Logrotate On RHEL/CentOS 7 Complains About Insecure Permissions on Parent Directory, World Writable
- How To Increase Amount of Disk inodes in Linux
- How To Add Secondary IP / Alias On Network Interface in RHEL / CentOS 7
- Increase/Expand an XFS Filesystem in RHEL 7 / CentOS 7
- Apache 2.4: ProxyPass (For PHP) Taking Precedence Over Files/FilesMatch In Htaccess
2015-07
- Why We're Still Seeing PHP 5.3 In The Wild (Or: PHP Versions, A History)
- This American Life: The DevOps Episode
- Chrome 44 Sending HTTPs Header By Mistake, Breaking (Some) Web Applications
- Critical Cross-Site Scripting Vulnerability in WordPress < 4.2.2
- The Worst Possible DevOps Advice
- My Apple Watch Review
- Apple Favours IPv6, Gives IPv4 a 25ms Penalty
- Enable click-to-play for Flash & Java in Chrome, Firefox & Safari
- Rethinking Security Advisory Severities
- OpenSSL CVE-2015-1793: Man-in-the-Middle Attack
- Why Internet Explorer Won't Allow Cookies On (sub)domains With Underscores
- Rewriting software from scratch, a lesson learned from Mac OSX 10.10.4’s discoveryd
2015-06
- The Broken State of Trust In Root Certificates
- RFC 7568: SSL 3.0 Is Now Officially Deprecated
- Increasing Nginx Performance With Thread Pooling
- How SSH In Windows Server Completely Changes The Game
- Kickstarter Now Available In Belgium
- uBlock Origin Now Blocking Access To SourceForge
- HHVM Performance Lockdown: Is HHVM Reaching Its Limit?
2015-05
- iOS9 Major Feature: Fixing The Shift Key
- Custom Fonts On Kindle Paperwhite First Generation
- rtop: Remote System Monitoring Via SSH
- Bitrot
- Stunt Hacking: The Sad State of Our Security Industry
- The Scary Revelation: The Advertising Options On Facebook & Twitter
- It’s Cheaper To Upgrade An Illegal Windows Version Than Buy A New One
- Understanding the /bin, /sbin, /usr/bin and /usr/sbin Split
- Hypertext Transfer Protocol Version 2 (HTTP/2): RFC7540
- Microsoft Remotely Locking Xbox One’s
- Linux futex_wait bug
- Who Came First: The Source Code Or The Compiler?
- Scan Your WordPress For Security Vulnerabilities With WPScan
- Under The Hood: Facebook’s Cold Storage System
- In Defence Of WordPress
- The (Lack Of?) Durability in SSDs
- uBlock Origin
- French Law Forces Backdoors On ISPs
- Security In Medical Equipment
- What's The Value Of Owning A Browser?
- Using Webserver Access Logs As A Database Storage System
- 248 days