Libreoffice on Ubuntu: how to fix error: failed to read path from javaldx
If we are using libreoffice in headless, with a non root user, trying to convert files with libreoffice, we will get error: Check in HOME…
Category: LINUX
Ubuntu: mount WebDAV with fuse and rclone
Step 1: install fuse Step 2: install rclone Step 3: configuration rclone Step 4: Mount WebDAV: Example: Check: Ctrl+C to stop rclone Step 5: You…
Ubuntu: how to fix error 404 Not Found for command apt install
Example error: Solution: Step 1: restore the default repositories: Step 2: Move all the PPAs in your system to backup folder: sudo mv /etc/apt/sources.list.d/* ~/backup…
Linux: how to fix error: E230001: Server SSL certificate verification failed: issuer is not trusted
Install composer on Linux When using composer command, if you get error: E230001: Server SSL certificate verification failed: issuer is not trusted Fix: run this…
Ubuntu error when build PHP with OpenSSL: expected ‘RSA *’ {aka ‘struct rsa_st *’} but argument is of type ‘const struct rsa_st *’
Example when build PHP 7.4 from source with OpenSSL on Ubuntu 22.04, we see many error: The problem is about the OpenSSL and libssl versions…
Ubuntu: How to build PHP from source code
Example we use Ubuntu 22.04, and we want to build PHP 7.4 Step 1: download source code: result: Step 2: change dir to php-src cd…
Ubuntu: how to install and configure SMTP server with Exim – part 3: setup SSL/TLS
Part 01: Ubuntu: install and configure SMTP server with Exim Part 02: Ubuntu: how to install and configure SMTP server with Exim – part 2:…
Ubuntu: how to install and configure SMTP server with Exim – part 2: set a password for a SMTP user
Part 01: Ubuntu: install and configure SMTP server with Exim Step 1: edit file /etc/exim4/conf.d/main/03_exim4-config_tlsoptions add line: MAIN_TLS_ENABLE = yes AUTH_SERVER_ALLOW_NOTLS_PASSWORDS = yes AUTH_CLIENT_ALLOW_NOTLS_PASSWORDS =…
Ubuntu: install and configure SMTP server with Exim
We use Ubuntu 22.04 Step 1: install Exim via command line: apt install exim4 After the installation is complete, you can check the installed Exim…
Ubuntu: how to install and configure SMTP server – part 2: set a password for a Postfix SMTP user
Part 1: Ubuntu: how to install and configure SMTP server Part 2: set a password for a Postfix SMTP user To set a password for…