Nginx Redirect
Redirect www domain to non-www If you use custom ports, use Redirect Naked Domain to www Redirect a site to HTTPS Here…
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ufw
The Uncomplicated Firewall (ufw) is a user-friendly interface for managing netfilter, the standard firewall utility included with most Ubuntu and Debian-based Linux…
PowerDNS
Install PowerDNS Install PowerDNS on Ubuntu 20.04 PowerDNS Command line List all DNS Zones pdns_control list-zones pdns_control list-zones slave Delete a DNZ…
gcloud
Detach a disk from Google Compute Instance Install Google Cloud SDK Google Cloud apt signatures couldn’t be verified Google Cloud SSH using…
Detach a disk from Google Compute Instance
To remove a disk from Google Compute instance, run gcloud compute instances detach-disk INSTANCE_NAME –disk=DISK Example Here “indiameds” is name of the…
varnish
How to change varnish port in Ubuntu To clear cache, run /usr/bin/varnishadm -S /etc/varnish/secret -T 127.0.0.1:6082 “ban req.http.host ~ .*” Get stats…
proxy
Squid ShadowSocks Tor Reverse proxy proxychains Web Proxy debugging proxy Install mitmproxy proxy OWASP Zed Attack Proxy Project https://www.telerik.com/fiddler https://portswigger.net/burp Charles HTTP…
install sysstat on centos
To install sysstat/sar on CentOS, run yum install sysstat Enable and start sysstat systemctl enable sysstat systemctl start sysstat systemctl status sysstat…
Amazon RDS ERROR 1040 (08004): Too many connections
On an Amazon RDS Aurora data base, when i connect, i get error root@ip-10-0-0-234:/var/www/html# mysql -h sok.cb21y0qmezhd.us-west-2.rds.amazonaws.com -u sok_wp -p0ZEkrkQx sok_wp ERROR…
hdd
blkidChecking NVMe DiskNo space left on devicesmartctlsfdiskSetup ZFS file system in UbuntuResize Amazon EC2 Boot DiskPartitioning hard disk for backupResize a linux…
No space left on device
On a server, when creating new files, i get error – “No space left on device”. root@sok:~# touch 2 touch: cannot touch…