The problem :
When we have a react.js based site (hosted on port 8000) and ngrok it for development purposes we get
Invalid Host Header
The fix is to override the header on reflection:
ngrok http 8000 -host-header="localhost:8000"
That’s it
😉 nJoy
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 $host;
Voila’ !!!
😉 nJoy
test :
perl -e exit
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
LC_ALL = (unset),
LANG = "en_US.UTF-8"
are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").
Paste the following or add to server bash.rc :
export LANGUAGE=en_US.UTF-8
export LC_ALL=en_US.UTF-8
export LANG=en_US.UTF-8
export LC_TYPE=en_US.UTF-8
nJoy 😉
1. Clear PageCache only.
# sync; echo 1 > /proc/sys/vm/drop_caches
2. Clear dentries and inodes.
# sync; echo 2 > /proc/sys/vm/drop_caches
3. Clear PageCache, dentries and inodes.
# sync; echo 3 > /proc/sys/vm/drop_caches
nJoy 😉
SELECT * FROM pg_replication_slots;
nJoy 😉
Be VERY CAREFUL with this.
sudo dpkg -l 'linux-*' | sed '/^ii/!d;/'"$(uname -r | sed "s/\(.*\)-\([^0-9]\+\)/\1/")"'/d;s/^[^ ]* [^ ]* \([^ ]*\).*/\1/;/[0-9]/!d' | xargs sudo apt-get -y purge
😉 nJoy
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 😉
sudo apt-get remove influxdb
apt-get purge influxdb
nJoy 😉
Referring to the github README.md https://github.com/pm2-hive/pm2-logrotate
pm2 install pm2-logrotate@2.6.0
pm2 set pm2-logrotate:compress true
pm2 set pm2-logrotate:max_size 10M
pm2 set pm2-logrotate:retain 7
pm2 conf
{
"pm2-logrotate": {
"max_size": "10M",
"retain": "7",
"compress": "true",
"dateFormat": "YYYY-MM-DD_HH-mm-ss",
"workerInterval": "30",
"rotateInterval": "0 0 * * *",
"rotateModule": true
},
"module-db": {
"pm2-logrotate": {
"uid": null,
"gid": null
}
}
}
nJoy 😉
ulimit -c unlimited
nJoy 😉