We can check the current state of the IPv6 address configuration by typing: $ ip -6 addr show eth0 2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qlen 1000 inet6 2604:a880:400:d0::218:2001/64 scope global valid_lft forever preferred_lft forever inet6 fe80::601:c0ff:fea1:4101/64 scope link valid_lft forever…
Monitoring Processes with Supervisord
Wiki Supervisor is a client/server system that allows its users to control a number of processes on UNIX-like operating systems. Install via easy_install or pip on Debian, not recommended to use apt-get. easy_install is the part of python-setuptools. First install…
Resolve Setting Locale Failed on Linux
Perl warning Setting locale failed in Debian Warning Message The warning message during the installation of Perl applications will appear as follows perl: warning: Setting locale failed. perl: warning: Please check that your locale settings: LANGUAGE = (unset), LC_ALL =…
Enabling HTTP/2 and CHACHA20_POLY1305 on Nginx
HTTP/2 HTTP/2 (originally named HTTP/2.0) is the second major version of the HTTP network protocol used by the World Wide Web. It is based on SPDY. HTTP/2 was developed by the Hypertext Transfer Protocol working group (httpbis, where bis means…