Linux/Ubuntu: fswatch: watch file changes in folder

Linux: Free unused cache memory Linux: mounting VirtualBox VDI disk using qemu nbtscan: Multiple-OS command line utility: NETBIOS nameserver scanner Linux: Saving one or more webpages to pdf file Linux: Creating iso image from disk using one line bash command Linux/PostgreSQL: Getting service uptime Linux: Simulating slow internet connection Linux/Ubuntu: Changing gateway address and flush/restart network interface Linux: SSH Tunnel to local machines. Linux: Fast find text in specific files using wild cards Linux: Merging two or more pdf files into one, by using ghostscript Linux: Cron command for deleting old files (older than n days) Linux: Get my external ip address Linux: Get the size of a folder Linux: Get the size of a folder Linux: Get the size of a folder Lazarus/Linux: Connect to SQLServer using ZeosLib component TZConnection Linux/Ubuntu: Get ordered list of all installed packages Linux/Ubuntu: Enable/Disable ping response Linux/DICOM: Very small DICOM Server Linux: Cron: Reset neorouter Linux/Oracle: Startup script Linux/Ubuntu: detect if CD/DVD disk ispresent and is writeable Linux/PHP: Let www-data run other commands (permission) Linux/DICOM: Create DICOM Video Linux: Apply same command for multiple files Linux/Ubuntu: sniff tcp communications (binary output) Linux: rsync: Backup remote folder into local folder Linux: Installing Conquest Dicom Server Linux: Get number of pages of PDF document via command line Linux: split file into pieces and join pieces again Linux/Ubuntu: iptables: block external incoming ip address Liunux/Ubuntu: get a list of apps that are consuming bandwidth Linux/Ubuntu: iptables: block external outgoing ip address Linux/DICOM: dcmtk: Modify data in dicom folder Linux/Docker: save/load container using tgz file (tar.gz) Linx/Ubuntu: solve problem apt-get when proxy authentication is required Docker: Clean all Linux: ImageMagick: convert first page of pdf document to small jpeg preview Linux: Convert pdf to html PostgreSQL: backup/restore remote database with pg_dump Linux/Ubuntu: How to setup pptp vpn server Linux/Xubuntu: Solve HDMI disconnection caused by non-supported resolution Linux: List all users PostgreSQL: Log all queries Linux: NGINX: Setup alias Linux: ssh without password Linux: NGINX: Proxy reverse Linux: one way remote sync using unison and ssh Linux: Deleting files keeping only lastest n-files in specific folder Linux: Open ssh port access using a combination (knocking technique) Linux: Get Memory percentages. Linux: Can not sudo, unkown user root (solution) Linux: PDF: How to control pdf file size Linux: ssh login for only one user Linux: get pid of process who launch another process Linux: PHP: Fix pm.max server reached max children Linux/Ubuntu: Server: Configuring proxies Linux: Compare two files displaying differences Sox: Managing audio recording and playing Linux: VirtualBox: Explore VDI disk without running virtualbox Linux: Get machine unique ID Linux: rsync only files earlier than N days Linux: Create Virtual Filesystem Linux/Ubuntu: Server: Add disks to lvm Python/Ubuntu: connect to sqlserver and oracle Linux/Ubuntu: Share folder with Windows (via samba) Linux: Get all my local IP addresses (IPv4) Linux/Ubuntu: list ufw firewall rules without enabling it Linux/Ubuntu: Connect windows to shared folder as guest Linux: delete tons of files from folder with one command Linux/Ubuntu: Avoid connection from specific ip address without using iptables Linux: Telegram: Send telegram message to channel when user logged via ssh Linux/Ubuntu: Create barcode from command line. Linux: PHP/Python: Install python dependencies for python scripts and run scripts form php Linux/Ubuntu: nginx: Configuration to send request to another server by servername Linux/Ubuntu: Fix Imagemagick "not authorized" exception Linux/Neorouter: watchdog for neorouter connection Linux: libgdcm: Send dicom images to PACS using gdcmscu. Ubuntu: mount full rw cifs share Linux/Ubuntu: NGINX: Basic authentication access PostgreSQL: Backup/Restore database from/to postgres docker. Linux/Ubuntu: Mosquitto: Enable mqtt service Linux/PHP: Connect php7.0 with sqlserver using pdo. Linux: Detect if port is closed from command line Linux: PHP: Run shell command without waiting for output (untested) Linux/Ubuntu: OS Installation date Linux/Ubuntu: Join pdf files from command line using pdftk Linux: Get internet content from command line using wget Linux/PHP/SQL: Ubuntu/Php/Sybase: Connecting sysbase database with php7 Linux/Ubuntu: Solve LC_ALL file not found error Linux/Ubuntu: Run window program with wine headless on server Linux/Docker: List ip addresses of all containers. Linux: sysmon script (memory usage) Linux: Firebird: Create admin user from command line Linux/Firebird: Backup/Restore database Git: Update folder linux/dfm-to-json/docker Linux/Oracle/Docker: 19c-ee Linux/Docker: SQL Server in docker Linux/PHP/Docker: Run docker command from php/web Linux/Docker: Oracle 12-ee docker Linux: Oracle: Backup using expdp Linux/PHP/NGINX: Increase timeout Lazarus/Fastreport: Install on Linux Linux/Ubuntu: fswatch: watch file changes in folder Linux/Docker: SQL Server 2019 in docker Linux/Docker: SQLServer: mssql-scripter: backup/restore Linux/Ubuntu: Enable/disable screensaver Linux: SQLServer: Detect MDF version Linux/Docker: Oracle install 19c (II) on docker FirebirdSQL: Restore/Backup Linux/NGINX: Redirect to another server/port by domain name Linux/Proxmox: Enable /dev/net/tun for hamachi Linux/Ubuntu: Create sudoer user Linux: PDF-url to text without downloading pdf file Docker: Reset logs