Bash if statement
Check if first augment to script is –help if [ “$1” = “–help” ]; then echo “$0 –help = shows help” exit…
Linux
Install Python 3.8 on CentOS 6 from source
To install Python 3.8 on CentOS, you need to install OpenSSL as the one installed by CentOS from yum is very old.…
apt-get An error occurred during the signature verification
When running apt update, i get following error W: An error occurred during the signature verification. The repository is not updated and…
Expired Updates for this repository will not be applied
When running apt update on a Debian jessie server, i get following error E: Release file for http://archive.debian.org/debian/dists/jessie-backports/InRelease is expired (invalid since…
logrotate nginx log by date
Logrotate by default rotate logs with numbers like following You can configure how many logs to keep and how to rotate lots…
CentovaCast Enable SSL for shoutcast
To enable SSL for stream, you can use nginx reverse proxy. In this case, i have a stream available on http://my-domain.com:8000/index.html?sid=1 I…
Install Pure-FTPd from source
To instal pureftpd from source, go to http://download.pureftpd.org/pub/pure-ftpd/releases/ find latest version download link. Download and Install At the time of this post,…
Hacking
expoloit-db.com contact many 0 day vlunerability and security related papers. https://www.exploit-db.com
Systemd Journal
Systemd have its own loggin system called Systemd Journal. It keep track of logs for each service. To see log for a…
Start an application using systemd
systemd is used to start applications on linux systems. In this post, we will create an application and run start it on…