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Comptia Linux+ certification

on May 31, 2014

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About Comptia Linux+ and LPI

Exam coverage and objectives

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HOWTO: Enabling keyboard backlit in Linux Mint 17 Mate and Fedora 20

I have a keyboard with backlit, ' DragonWars DarkSector ' the problem is no backlit in Linux operating system. It is hard to type using black keyboard :( "Let there be light...." so here is how I did it issue this command (user level will do) shell$ xset led 3 or map to "Scroll key" so you have a switch that turns on and off the backlit shell$ xmodmap -e 'add mod3 = Scroll_Lock'

NGINX proxy http

Basic and simple way to use NGINX as proxy to Tomcat/JBoss or Splunk with SSL. ################## ## JBoss/Tomcat ## ################## upstream web1 { server 10.10.10.24:9090; } server { server_name webserver1.example.com www.example.com; listen 80; gzip on; access_log /var/log/nginx/ezweb-access.log; error_log /var/log/nginx/ezweb-error.log; location / { proxy_pass http://web1/; proxy_set_header X-Real-IP $remote_addr; proxy_set_header Host $http_host; proxy_set_header X-forwarded-for $proxy_add_x_forwarded_for; } } #------------------------------- ######################### ## Splunk /HTTP Server ## ######################### # NON-SSL upstream server1 { server 127.0.0.1:8000; } server { server_name splunk1.example.com; listen 80; # autoindex off; # index index....

HOWTO: LVM - Resizing Logical Volume (Extend and Reduce)

On-line re-sizing of Logical Volume check the size df -h /share verify there are free "Physical Extents available" vgdisplay vg00 extend the logical volume using extents "using size not recommended" lvextend -l +128 /dev/vg00/disk00 grow the mounted file system of /share resize2fs -p /dev/vg00/disk00 -p * display the progress Note: Before you make any changes make sure you backup all data on the logical partition that you want to extend. Off-line reducing of Logical Volume WARNING: Make sure you have a solid backup before resizing. wrong command will destroy all your data Unmount the logical partition umount /share check the disk first for any error fsck -f /dev/mapper/vg00-disk00 resize the file system to 10G (disk00 is 16G size) resize2fs -p /dev/mapper/vg00-disk00 10G * Note specifying size will use the logical extents Reduce the logical volume lvreduce -L 10G /dev/mapper/vg00-disk00 * Note make sure your logical v...

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Comptia Linux+ certification

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