Webp is a new image format for the web. It can be used on websites for the fast and efficient loading of images. Webp is an open-source image format created by Google and quickly getting adopted by web developers. If you use Ubuntu or Debain, you can install webp from the official repository with the … Read more
First, install libwww-perl package needed for CSF firewall Install CSF with Change following settings in csf.conf file If you need GUI enabled, edit file Modify following settings
When removing a package, I got the following error message root@82-165-118-245:/~# dpkg –remove psa-phpmyadmin dpkg: dependency problems prevent removal of psa-phpmyadmin: plesk-core depends on psa-phpmyadmin (>= 5.1.1); however: Package psa-phpmyadmin is to be removed. dpkg: error processing package psa-phpmyadmin (–remove): dependency problems – not removing Errors were encountered while processing: psa-phpmyadmin root@82-165-118-245:/~# It is fixed … Read more
On a Plesk server, MySQL somehow went missing. When I tried to remove a package, I get error To fix this, I removed the prerm and postrm scripts. These scripts execute before and after a package is removed. It is not recommended to remove it, but if these scripts prevent you from uninstalling a package, … Read more
WebP is an image format for web by Google. The size of webp images are much smaller compared with other image formats, so better to use webp images on websites for faster site load speed. To install webp on Ubuntu/Debian, run sudo apt install webp To convert an image to webp format, run cwebp image.png … Read more
On Ubuntu, I get the following error root@vps1:~# man bash: /usr/bin/man: No such file or directory root@vps1:~# This is fixed by installing man with apt-get apt-get install man
If you have installed Ubuntu with GUI and don’t want GUI, you can disable GUI from starting on boot with command systemctl set-default multi-user If you need to GUI auto-start on boot, run systemctl set-default graphical.target
To configure IP on OVH VPS, you need to manually configure networking as OVH gateway is outside the failover IP subnet. For most hosting providers getaway will be in the same subnet as the IP address. To configure IP using netplan, see instruction here. First, install ifupdown package apt install -y ifupdown Now edit file … Read more
On Ubuntu server running Nextcloud, I got the following warning in Nextcloud Module php-imagick in this instance has no SVG support. For better compatibility it is recommended to install it. To fix this warning, install libmagickcore-6.q16-6-extra package with the command apt-get install libmagickcore-6.q16-6-extra See Nextcloud
To install the Zabbix agent on Ubuntu, run the command apt install zabbix-agent To autostart, Zabbix agent on boot, enable it with systemctl enable zabbix-agent To manage Zabbix, use commands systemctl stop zabbix-agent systemctl start zabbix-agent systemctl restart zabbix-agent To see Zabbix listening port netstat -lntp | grep zabbix Edit file vi /etc/zabbix/zabbix_agentd.conf Find Server=127.0.0.1 … Read more
Development tools are programs used to build software from its source code. These include compilers, make, and other generally used libraries. To install development tools on Ubuntu/Debian, run See Ubuntu, Debian
On Ubuntu server, when I run lspci command, I get the error To fix this error, install the package pciutils See lspci