Resizing a disk once the volume has grown on host in a VM (Ubuntu)

The disk will not automatically resize on many platforms once more disk space was made available. Particularly in Ubuntu 16.04 Rescanning the device for size maps : echo 1 > /sys/class/scsi_device/2\:0\:0\:0/device/rescan Then standard procedures to grow the fs apply. nJoy ๐Ÿ˜‰    

Nginx setting to allow wss sockets to connect

General idea of the config https + proxy pass + virtual host Nginx as a proxy causes a failure of wss:// connections to the backend server. add these parameters to the proxy section :   proxy_http_version 1.1; proxy_set_header Upgrade $http_upgrade; proxy_set_header Connection “upgrade”; proxy_set_header Host $host; Voila’ย  !!! ๐Ÿ˜‰ nJoy  

OS doesn’t find en_US.UTF-8

test : perl -e exit perl: warning: Setting locale failed. perl: warning: Please check that your locale settings: LC_ALL = (unset), LANG = “en_US.UTF-8” are supported and installed on your system. perl: warning: Falling back to the standard locale (“C”).   Paste the following or add to server bash.rc : export LANGUAGE=en_US.UTF-8 export LC_ALL=en_US.UTF-8 export…

Clear Linux Cache

1.ย Clear PageCache only. # sync; echo 1 > /proc/sys/vm/drop_caches 2.ย Clear dentries and inodes. # sync; echo 2 > /proc/sys/vm/drop_caches 3.ย Clear PageCache, dentries and inodes. # sync; echo 3 > /proc/sys/vm/drop_caches nJoy ๐Ÿ˜‰

Install latest influxdb on Ubuntu

curl -sL https://repos.influxdata.com/influxdb.key | sudo apt-key add – source /etc/lsb-release echo “deb https://repos.influxdata.com/${DISTRIB_ID,,} ${DISTRIB_CODENAME} stable” | sudo tee /etc/apt/sources.list.d/influxdb.list sudo apt-get update && sudo apt-get install influxdb sudo service influxdb start nJoy ๐Ÿ˜‰  

Cool chkconfig replacement for Ubuntu

Hi,   Ubuntu does not carry chkconfig any more .. besides the standard update-rc.d apache2 defaults or update-rc.d apache2 remove There is a cool tool called : sysv-rc-conf. This tool can be installed using : sudo apt-get install sysv-rc-conf On its own the command opens a cool ncurses interface like this :      …

Reboot required Ubuntu

To find out what triggered this use : more /var/run/reboot-required.pkgs nJoy ๐Ÿ˜‰

converting webm to mp3s ffmpeg

for FILE in *.webm; do echo -e “Processing file ‘\e[32m$FILE\e[0m'”; ffmpeg -i “${FILE}” -vn -ab 128k -ar 44100 -y “${FILE%.webm}.mp3”; done; nJoy ๐Ÿ˜‰