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Alejandro Bernal Collazos
Software Developer - DevOps - SRE
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About me
Profession
Experience
Formal Education
Courses and Certificates
Testimonials
Portfolio
Notes
Front End
Angular JS
Java Script
Drupal
Drush
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General
General Notes
GIT
Git basics
How to make a Pull Request
MAC
How to configure JAVA_HOME in OSX
How to hide or unhide folders in Mac
How to install homebrew
template
Sublime
How to indent JSON and XML
Back End
Linux
Debian
How to Install Sudo on Debian
How to login as root in debian
Networking
How to configure a subdomain with a machine in Digital Ocean
MySQL
MySQL basics
How to change root password in mysql
How to install and configure a mysql basic setup in OSX
How to reset mysql root password in Ubuntu
Apache
How to serve a domain only through HTTPS
VIM
How to install NERDTree
How to enable or disable line breaking in vim
How to show the current file in Vim
Maven
Maven Basics
RabbitMQ
RabbitMQ basics
Memcached
Memcached basics
Grails
Grails basics
Contact
C.V.
Home
Notes
Back End
Linux
Linux
Chapter 21. Signals
Chapter 22. System Monitoring
Chapter 23. Process Monitoring
Chapter 24. I/O Monitoring and Tuning
Chapter 25. I/O Scheduling
Chapter 26. Memory : Monitoring Usage and Tuning
Chapter 27. Package Management Systems
Chapter 28. RPM
Chapter 29. DPKG
Chapter 30. yum
Chapter 31. Zypper
Chapter 32. APT
Chapter 33. User Account Management
Chapter 34. Group Management
Chapter 35. File Permissions and Ownership
Chapter 36. Pluggable Authentication Modules (PAM)
Chapter 37. Backup and Recovery Methods
Chapter 38. Network Addresses
Chapter 39. Network Devices and Configuration
Chapter 40. Firewalls
Chapter 41. Basic Troubleshooting
Chapter 42. System Rescue
Linux Certification Test
Log into graphical and text mode consoles
Search for files in linux
Linux Input Output Redirection
Create hard and soft links
Analyze text using basic regular expressions
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