Force User Logout on Linux
There are two commands can be used: skill and pkill
- Halt/Stop a user
skill -STOP -u <username>or
pkill -STOP -u <username>
Change User Password via Django
Create super user
$ python manage.py createsuperuser
Configure Static DNS on Centos
Modify /etc/sysconfig/network-scripts/ifcfg-eth0
PEERDNS=no
DNS1=8.8.8.8
DNS2=8.8.4.4
HTTP 413 Request Entity Too Large Error
- Fix Nginx
ETL and Tools
- What is ETL?
ETL is short for extract, transform, load, three database functions that are combined into one tool to pull data out of one database and place it into another database.- Extract - reading data from original database
- Transform - converting extract data from original form to target form. (rules or lookup tables or combining the data with other data)
- Load - writing data to target database
Install Hadoop 2.8.2 on Centos
Assume all servers have been installed Centos 7 and all DNS records have been created on DNS Server.
Remove Known Host of Secure Shell on Chromebook
- Open Javascript console by CTRL + Shift + J
Mitigating DDoS Attacks with NGINX and NGINX Plus
Read MorePrevent MACBook Sleep
Some 3rd parties can prevent MacBook from sleep. Why does Apple always let MacBook/Air go to sleep when lid is closed and ignore user’s settings?
Fix Docker Exception - Credentials store error on MacOS
When I run docker-compose command on Mac OS, I hit an error as below:
docker.errors.DockerException: Credentials store error: StoreError('Credentials store docker-credential-osxkeychain exited with "User interaction is not allowed.".',)
Failed to execute script docker-compose