Friday, April 1, 2016

Muchos cursos gratis para este Abril 2016 - NO ES UNA BROMA

Buenos días...

Comienzo por decir que cuando digo "NO ES UNA BROMA" es que hoy 1 de Abril, en USA celebran lo que llaman "April fools' day" que no es mas que una especie de "Día de los inocentes".

El enlace de los cursos es este


Wednesday, February 24, 2016

Una de mis metas como profesional, RHCSA


En el mercado de GNU/Linux hay varias certificaciones, pero la mas respetada es la de RedHat.

Tienen 3 niveles:

*-RHCSA - Administrador de Sistemas
*-RHCE - Ingeniero
*-RHCA - Arquitecto

Como dice el titulo, mi meta es primero RHCSA

In preparation

Study points for the exam
Red Hat reserves the right to add, modify, and remove objectives. Such changes will be made public in advance through revisions to this document.
RHCSA exam candidates should be able to accomplish the tasks below without assistance. These have been grouped into several categories.
Understand and use essential tools
  • Access a shell prompt and issue commands with correct syntax
  • Use input-output redirection (>, >>, |, 2>, etc.)
  • Use grep and regular expressions to analyze text
  • Access remote systems using ssh
  • Log in and switch users in multiuser targets
  • Archive, compress, unpack, and uncompress files using tar, star, gzip, and bzip2
  • Create and edit text files
  • Create, delete, copy, and move files and directories
  • Create hard and soft links
  • List, set, and change standard ugo/rwx permissions
  • Locate, read, and use system documentation including man, info, and files in /usr/share/doc
Note: Red Hat may use applications during the exam that are not included in Red Hat Enterprise Linux for the purpose of evaluating candidate's abilities to meet this objective.
Operate running systems
  • Boot, reboot, and shut down a system normally
  • Boot systems into different targets manually
  • Interrupt the boot process in order to gain access to a system
  • Identify CPU/memory intensive processes, adjust process priority with renice, and kill processes
  • Locate and interpret system log files and journals
  • Access a virtual machine's console
  • Start and stop virtual machines
  • Start, stop, and check the status of network services
  • Securely transfer files between systems
Configure local storage
  • List, create, delete partitions on MBR and GPT disks
  • Create and remove physical volumes, assign physical volumes to volume groups, and create and delete logical volumes
  • Configure systems to mount file systems at boot by Universally Unique ID (UUID) or label
  • Add new partitions and logical volumes, and swap to a system non-destructively
Create and configure file systems
  • Create, mount, unmount, and use vfat, ext4, and xfs file systems
  • Mount and unmount CIFS and NFS network file systems
  • Extend existing logical volumes
  • Create and configure set-GID directories for collaboration
  • Create and manage Access Control Lists (ACLs)
  • Diagnose and correct file permission problems
Deploy, configure, and maintain systems
  • Configure networking and hostname resolution statically or dynamically
  • Schedule tasks using at and cron
  • Start and stop services and configure services to start automatically at boot
  • Configure systems to boot into a specific target automatically
  • Install Red Hat Enterprise Linux automatically using Kickstart
  • Configure a physical machine to host virtual guests
  • Install Red Hat Enterprise Linux systems as virtual guests
  • Configure systems to launch virtual machines at boot
  • Configure network services to start automatically at boot
  • Configure a system to use time services
  • Install and update software packages from Red Hat Network, a remote repository, or from the local file system
  • Update the kernel package appropriately to ensure a bootable system
  • Modify the system bootloader
Manage users and groups
  • Create, delete, and modify local user accounts
  • Change passwords and adjust password aging for local user accounts
  • Create, delete, and modify local groups and group memberships
  • Configure a system to use an existing authentication service for user and group information
Manage security
  • Configure firewall settings using firewall-config, firewall-cmd, or iptables
  • Configure key-based authentication for SSH
  • Set enforcing and permissive modes for SELinux
  • List and identify SELinux file and process context
  • Restore default file contexts
  • Use boolean settings to modify system SELinux settings
  • Diagnose and address routine SELinux policy violations

Thursday, February 18, 2016

Docker para Mortales

La presentación de la charla que di está aquí

Si les interesa el video, más abajo.

Friday, January 8, 2016

Un mundo sin Linux [FINAL]


Ya se termino la serie. En total son seis videos, en los cuales, de manera graciosa, se plantea como sería el mundo sin Linux.

Aqui estan todos los videos, para mi, el ultimo de la serie, sencillamente es el mejor.

310 Cursos Gratis que comienzan este Enero 2016

Un saludo a tod@s

Para ver la lista de cursos y acceder a los mismos, vayan aquí