Ubuntu/Debian

install Latest version of curl on Ubuntu OS/server. By default Ubuntu curl version is old and doesn’t have any updated package available. You can follow this tutorial to install latest version of curl on Ubuntu server. Short Description on curl : curl is a command line tool and library for transferring data with URL syntax, supporting HTTP, HTTPS, FTP, FTPS, GOPHER, TFTP, SCP, SFTP, SMB, TELNET, DICT, LDAP, LDAPS, FILE, IMAP, SMTP, POP3, RTSP and RTMP. libcurl offers a myriad of powerful features. curl is used in command lines or scripts to transfer data. It is also used in cars, television sets, routers, printers, audio equipment, mobile phones, tablets, settop…

Fix the GPG key error EXPKEYSIG B188E2B695BD4743 DEB.SURY.ORG Automatic Signing Key <deb@sury.org> The DEB.SURY.ORG Debian/ubuntu package repository has changed its package signing key. By running the below commands will fix the issue : rm -rf /etc/apt/sources.list.d/php.list apt-get update apt-get -y install lsb-release ca-certificates curl rm -rf /tmp/debsuryorg-archive-keyring.deb curl -sSLo /tmp/debsuryorg-archive-keyring.deb https://packages.sury.org/debsuryorg-archive-keyring.deb dpkg -i /tmp/debsuryorg-archive-keyring.deb sh -c 'echo "deb [signed-by=/usr/share/keyrings/deb.sury.org-php.gpg] https://packages.sury.org/php/ $(lsb_release -sc) main" > …

In this tutorial we’ll secure Memcached server from UDP attacks in Dwbian and ubuntu servers which are common now a days, if you’re not using firewall and the memcached port is closed for the world you’re safe from this attacks. If your Memcached server is only used by your local server then add the below line which will disable UDP and only listen to localhost IP, which will prevent your server from being exposed on the internet by disabling the UDP protocol. UDP Protocol is now old technology which is not required anymore. TCP is more secure and today all are using it with Memcached. Edit memcached config file : nano /etc/memcached.conf Add this line…

In this tutorial I’ll guide you how to install mod_remoteip an Apache module to restore original visitor’s ip When using cloudflare service. You may have encountered issue with cloudflare proxy ip when you checked the log and found all the ips are from cloudflare to cope with this situation we need to configure mod_remoteip with cloudflare’s trusted address. Lets get started : Ensure you logged in as root user, ssh. Step 1 : Enable mod_remoteip : a2enmod remoteip Step 2 : Now we need to modify and add some configs to apache2.conf apt install nano nano /etc/apache2/apache2.conf Now add this line at the last of the config file : Re…