Posts

July 18, 2025 What 5 Job Offers Taught Me About the Software Industry in 2025
April 14, 2025 5 Common Rate Limiter Algorithms
March 26, 2025 Resolving the Jenkins "wrapper script does not seem to be touching the log file" issue
August 12, 2024 How To Prove a Problem is NP-Complete
April 14, 2024 Add Mermaid Support to Mkdocs in Backstage
March 20, 2024 Creating the Smallest Possible Docker Image for Go Applications
January 17, 2024 Saga Pattern: Part 2 - Choreography
January 16, 2024 Saga Pattern: Part 1 - Orchestrator
October 11, 2023 Deploy a webapp to AWS Lambda with Serverless Framework
July 5, 2023 Understanding XSS Attack Series: Part 3 - DOM-based XSS
July 4, 2023 Understanding XSS Attack Series: Part 2 - Reflected XSS
July 3, 2023 Understanding XSS Attack Series: Part 1 - Stored XSS
April 13, 2023 Running Docker in Docker in Jenkins pipelines
March 6, 2023 Regular expression Denial of Service (ReDoS) Attack
February 1, 2023 Remove Create Privilege on Public Schema In Postgresql12
October 27, 2022 Install Zsh and Oh-My-Zsh on WSL2
September 20, 2022 Download Files in Jenkins with Groovy
August 17, 2022 Building Custom AMIs with Packer and Ansible
May 13, 2022 Jenkins shared library: Static YAML methods with NonCPS
April 15, 2022 Build a Container from scratch with Go
October 23, 2021 VPC Endpoints: A Cost-Effective Way to Access AWS Services
September 9, 2021 Jenkins job configs as code with Jenkins Job Builder
August 31, 2021 Deploy Localstack to Kubernetes for AWS integration tests
June 7, 2021 Python Concurrency and Parallelism
May 12, 2021 Terraforming Zabbix configs
August 8, 2020 Freeze Python requirements with pip-compile
March 20, 2020 RabbitMQ Basics: Simple Message Queue System
February 5, 2020 Cross-Site Request Forgery (CSRF) Attacks
January 13, 2020 Mutable vs. Immutable Infrastructure
August 30, 2019 Use JSON schema to unit test YAML files
March 4, 2019 Kinh nghiệm xin VISA USA từ Canada
June 9, 2018 MST and VTP version 3
May 6, 2018 Create and Run Scripts on Cisco Devices
April 17, 2018 MPLS Label Assignment and Distribution
April 15, 2018 Configure uRPF and NAT Redundancy
March 5, 2018 Configure Route Filtering with Redistribution
March 1, 2018 Configure QoS
February 5, 2018 Configure Static and Dynamic NAT64
February 2, 2018 Configure PPPoE
January 15, 2018 CentOS joins Ubuntu AD DC with Samba Winbind
January 13, 2018 Configure Samba AD DC on Ubuntu
January 12, 2018 Configure MP-BGP Support for IPv6
January 7, 2018 Explain Process of IPv6 Stateless Auto-configuration
January 4, 2018 Configure HAProxy for HTTP Load Balancing
December 26, 2017 Configure MPLS Traffic-Engineering
December 25, 2017 Configure Named EIGRP for both IPv4 and IPv6
December 24, 2017 Configure MPLS L3 VPN
December 22, 2017 Change Metric of An EIGRP and OSPF Route
November 22, 2017 Configure Rsyslog Server for Cisco Devices
November 20, 2017 Configure OSPFv3 Address Family for IPv4 and IPv6
November 19, 2017 Configure OSPFv3 for IPv6
November 19, 2017 Configure Policy-Based Routing (PBR) and ICMP-based IP SLA operation
November 15, 2017 Configure OSPF Virtual-link Through Multiple Areas
November 8, 2017 Configure OpenVPN behind NAT devices
November 8, 2017 Configure Rsyslog Server TCP Port 514
October 27, 2017 SELinux 101
October 12, 2017 Configure OSPF NSSA and Totally NSSA Area
October 11, 2017 Configure OSPF Stub and Totally Stub Area
October 10, 2017 Configure DMVPN using mGRE over IPSec
October 10, 2017 DMVPN over IPsec with Crypto Map/IPSec Profile
October 1, 2017 Configure DHCP for IPv6
September 15, 2017 Configure HSRP and Optimizing STP Convergence
August 30, 2017 Configure Router as Frame-Relay Switch and No Split Holizon
September 4, 2016 Du lịch Singapore tự túc