Ubuntu old repository add Rumi, November 21, 2018 If you want to continue using an outdated release then edit /etc/apt/sources.list and change archive.ubuntu.com and security.ubuntu.com to old-releases.ubuntu.com. You can do this with sed: sudo sed -i -re 's/([a-z]{2}\.)?archive.ubuntu.com|security.ubuntu.com/old-releases.ubuntu.com/g' /etc/apt/sources.list then update with: sudo apt-get update && sudo apt-get dist-upgrade Sometimes, it might be faster to create backups of your system and reinstall using supported release instead. Related Administrations Configurations (Linux) Ubuntu
Understandign CHMOD- the basics September 22, 2016 There are four OCTAL (0..7) digits, which control the file permissions. But often, only three are used. If you use 600 it equals 0600. The missing digit is appended at the beginning of the number. Each of three digits described permissions. Position in the number defines to which group permissions… Read More
Cacti: PowerDNS Recursor Templates September 11, 2011 Here are a couple of graph templates for the PowerDNS recursor. They need a shell script to be installed on the DNS server, and an net-snmp config change. Add the following to the snmpd.conf extend pdns-rec /usr/local/bin/pdns_stats.sh Put pdns_stats in /usr/local/bin, so that snmpd can find it (rename from pdns_stats.txt)…. Read More
Nginx Reverse Proxying Multiple Domains Using map Module August 24, 2019 map_hash_bucket_size 128; map $http_host $backend_servers { hostnames; default www.example.com; frontend.example2.com backend.example2.com frontend.example3.com backend.example3.com www.example.org backend.example.org } proxy_set_header X-Real-IP $remote_addr; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_set_header Host $http_host; server { location / { proxy_pass http://$backend_servers } } Related Read More