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- Category: Blog
- Category: Linux
- How to increase the size of the partition and file system after increasing the physical size of the disk
- How to update the GRUB bootloader on Debian and derivative distributions (Kali Linux, Ubuntu, Linux Mint)
- Updating packages: whether to update the config file
- How to update the GRUB bootloader in Arch Linux and derivatives (Manjaro, BlackArch)
- Error “No such file or directory: AH02454: FCGI: attempt to connect to Unix domain socket /run/php/php8.1-fpm.sock (*:80) failed” (SOLVED)
- Error “error: failed to commit transaction (invalid or corrupted package)” (SOLVED)
- Error “TypeError: ‘AURPackageInfo’ does not have attribute ‘submitter’” (SOLVED)
- “Initramfs unpacking failed: invalid magic at start of compressed archive” error (SOLVED)
- dpkg: error: fgets gave an empty string from ‘/var/lib/dpkg/triggers/Unincorp’ (SOLVED)
- How to reboot a server in DigitalOcean
- Some program areas become transparent or invisible in guest OS Windows after upgrading to VirtualBox 7 (SOLVED)
- Windows stopped booting in Virtual Machine after upgrading to VirtualBox 7 (SOLVED)
- How to rename a table in phpMyAdmin and MySQL
- phpMyAdmin error “Error: Undefined constant “SODIUM_CRYPTO_SECRETBOX_KEYBYTES”” (SOLVED)
- Error “error: GPGME error: No data. error: failed to synchronize all databases (unexpected error)” (SOLVED)
- How to downgrade to a previous kernel version in Arch Linux. How to install and switch to linux-lts
- How to modify images on the Linux command line
- How to add a caption to a large number of images
- ImageMagick guide: installing, using, and troubleshooting
- How to add text to images in ImageMagick
- How to composite and append images on the Linux command line (overlay and merge images)
- The structure of the magick command (ImageMagick)
- How to convert a large number of images to another format
- How to reduce image size. Bulk photo scaling and resizing on the command line
- error: blackarch: signature from “Levon ‘noptrix’ Kayan (BlackArch Developer) ” is invalid (SOLVED)
- How to check JPG quality level (SOLVED)
- VirtualBox Error “NS_ERROR_FAILURE (0x80004005)” (SOLVED)
- How to convert images to any formats in Linux (SOLVED)
- magick and convert troubleshooting (ImageMagick package)
- How to disable “did you mean…” feature in Linux shell
- awk and tabs in input and output
- How to convert a string to lowercase in Bash
- How to convert a string to uppercase in Bash
- How to print from specific column to last in Linux command line
- How to remove newline from command output and files on Linux command line
- Error “convert: delegate failed `’potrace’ --svg --output ‘%o’ ‘%i” @ error/delegate.c/InvokeDelegate/1911” (SOLVED)
- How to show all errors in PHP 8
- What is the difference between Suspend and Hibernate in Linux. Why is the Hibernation button missing?
- How to increase the swap partition in Linux Mint and Ubuntu. How to create a Swap file in Linux
- Swap file and swap partition in Arch Linux (BlackArch): what to choose and how to add Swap
- Xfce boots without Taskbar and Start button (SOLVED)
- How to connect a TV to a computer in Linux in GNOME (Ubuntu)
- How to connect a TV to a computer in Linux in Xfce (Kali Linux, Xubuntu)
- How to connect a TV to a computer in Linux in Cinnamon (Linux Mint, LMDE)
- How to check if a computer is using BIOS or UEFI; GRUB or systemd-boot bootloader; MBR or GPT partition table
- How to convert .webp images to GIMP
- Batch image processing in GIMP
- Why computer can’t connect to Wi-Fi Hotspot on Android phone for a long time (SOLVED)
- Errors “Incorrect definition of table mysql.event: expected column ‘definer’ at position 3 to have type varchar(, found type char(141)” and “Event Scheduler: An error occurred when initializing system tables. Disabling the Event Scheduler” (SOLVED)
- How to download a package without installation in Arch Linux and Manjaro. How to download the AUR package source code
- How to set up Favorites and add folders in Wine File Manager? (SOLVED)
- How to make VirtualBox virtual machines destroy on computer restart
- Why doesn’t Linux with Persistence keep settings after reboot? (SOLVED)
- “Failed - Network error” when exporting from phpMyAdmin (SOLVED)
- “Error: failed to commit transaction (invalid or corrupted package)” (SOLVED)
- What happens if an IPv4 client tries to access an IPv6-only server (SOLVED)
- How to edit the Access denied page in Squid? How to insert custom pictures and mail?
- What is the difference between “systemctl reboot” and “reboot” and “systemctl poweroff” and “poweroff”
- How to convert JPG to PDF
- How to convert PDF to JPG using command line in Linux (SOLVED)
- Error “convert: cache resources exhausted” (SOLVED)
- Error “attempt to perform an operation not allowed by the security policy `PDF’” (SOLVED)
- How to install the latest version of Tor on Ubuntu
- How to connect to Tor with OpenVPN
- LMDE 5 beta loaded on mirrors
- What files can be deleted when there is not enough disk space in Linux
- Internet via Bluetooth in Linux: how to set up and why the speed is slow
- How to use an Android phone to access the Internet on a computer without Wi-Fi in Linux
- Dynamic swap files are created only when needed
- How to check Swap file usage in Linux
- How to connect to digital TV from a computer in Linux (IPTV, DVB-IP and TVoIP)
- Is it safe to remove configuration files left over from removed packages? (SOLVED)
- UEFI does not see installed Linux (SOLVED)
- Firmware files for drivers in Linux
- Linux does not see Wi-Fi on Intel chipset. “firmware: failed to load iwlwifi” error (SOLVED)
- Linux does not see Wi-Fi on Realtek chipset. “firmware: failed to load rt2870.bin” error (SOLVED)
- Linux does not see Alfa AWUS036NHA. “firmware: failed to load ath9k_htc” error (SOLVED)
- Script to connect and disconnect from OpenVPN depending on server availability
- Do services need to be restarted when updating packages
- Changes in the linux-firmware package: kernel requirements, separating large files into separate packages
- error: failed to synchronize all databases (unable to lock database) (SOLVED)
- How to turn off Bluetooth to disable pairing and any connections
- How to find out the Bluetooth version for the adapter and peripherals in Linux
- How to remove Mobile broadband and Bluetooth connection in NetworkManager
- Where NetworkManager stores settings (SOLVED)
- How to update the systemd-boot loader in /boot
- How to determine the type and speed of a USB port
- Error “remote: Support for password authentication was removed on August 13, 2021. Please use a personal access token instead” (SOLVED)
- How to make and submit changes to source code on GitHub
- Wine is missing from the context menu on Ubuntu (SOLVED)
- How to manage VPN Settings in GNOME 3
- How to manage VPN Settings in Xfce
- How to manage VPN Settings in Cinnamon
- Simultaneous use of multiple OpenVPNs on one server
- Comparison of performance (data transfer rate) of OpenVPN over UDP and TCP
- How to use OpenVPN with TCP protocol
- How to change configuration files when migrating from OpenVPN 2.4.* to OpenVPN 2.5.*
- LibreOffice opens sftp connection (SOLVED)
- What happens if Linux runs out of RAM. Do I need a Swap file
- How to install Kali Linux with encrypted user’s home folder (manual partitioning)
- How to install Kali Linux with encrypted user’s home folder (auto-partitioning)
- How to install Kali Linux with full disk encryption
- Persistent names for block devices
- How to change the VeraCrypt interface language in Linux
- How to repair an LVM disk using fsck
- How to determine why Linux boots into Emergency mode
- Why doesn’t the kill command kill the process?
- What are the differences and how to use the kill, pkill and killall commands
- How to use ps command to monitor Linux processes
- Error “Cannot open access to console, the root account is locked” (SOLVED)
- Do I need to restart the server after updating the Linux kernel (SOLVED)
- Full-text search in MS Word files and archives in Linux
- How to find out which process is causing high disk usage in Linux
- How to use lsof to view open files (on Linux everything is files)
- htop command guide: how to view processes in Linux interactively
- How to use the top command to monitor Linux processes
- How to check IP history for SSH sessions
- How to list all Cron tasks
- File attributes on Linux
- GUI program to view and delete metadata in Linux
- Custom Google Chrome settings for each computer user
- How to configure Squid proxy to work with multiple users
- How to Install the Latest Linux Kernels on Debian and Debian Based Distributions
- How to Install the Latest Linux Kernels on Ubuntu and Linux Mint
- Error “trid: loadlocale.c:129: _nl_intern_locale_data: Assertion `cnt < (sizeof (_nl_value_type_LC_TIME) / sizeof (_nl_value_type_LC_TIME[0]))' failed” (SOLVED)
- Error “cannot resolve dependency lib32 (32-bit library)” (SOLVED)
- How to protect my website from bots
- How to configure HTTP Digest Authentication in Squid
- An unplugged disk causes a delay in system boot
- How to check if your computer supports TPM 2.0 on Linux
- Linux Mint 20.2 Released: What’s New & Download Links
- How to simulate package installation on Linux (How to create and install a dummy package)
- Configuring Squid Proxy with Multiple IP Addresses
- How to configure Squid to use IPv4
- How Squid ACL works
- Error “Authentication helper program /usr/lib64/squid/basic_ncsa_auth: (2) No such file or directory” (SOLVED)
- How to find out when Linux was installed
- How connect to the Tor network via bridge on Linux
- How to check if my router supports IPv6
- How to install Wi-Fi driver in Linux if the computer is offline
- How to block by Referer, User Agent, URL, query string, IP and their combinations in mod_rewrite
- How to prevent NetworkManager and other programs from modifying the /etc/resolv.conf file
- How to find out which process is modifying a file
- How to Update HackRF One Firmware (SOLVED)
- Error “curl: (1) Received HTTP/0.9 when not allowed” (SOLVED)
- How to change the language of Google Chrome and Chromium on Linux
- Error “ruby-bundler: /usr/share/man/man5/gemfile.5.gz exists in filesystem (owned by ruby)” (SOLVED)
- How to run PHP script on the command line (without web server)
- Ubuntu in VirtualBox does not stretch to full screen although Guest Additions are installed (SOLVED)
- Error “Failed to talk to init daemon” (SOLVED)
- How to install PowerShell on Arch Linux, Manjaro, BlackArch
- How to install PowerShell in Linux Mint
- Linux PowerShell Basics (Beginner’s Guide)
- How to install a web server (Apache, PHP, MySQL, phpMyAdmin) on Linux Mint, Ubuntu and Debian
- How to find out which shell is in use in Linux
- How to find and remove non-UTF-8 characters from a text file
- How to add the plugin to Double Commander to support all types of archives
- Free analogue of Total Commander
- Official 7-Zip for Linux has been released
- How to download YouTube subtitle file in any language
- How to download YouTube videos on Windows and Linux (GUI without third party services)
- How to change default export settings in phpMyAdmin
- How to disable window grouping in Xfce
- How to change Linux language without reinstalling my OS
- Chromium will no longer sync passwords - what should Linux users do?
- pacman error “warning: failed to retrieve some files” (SOLVED)
- Password and unix_socket authentication in MySQL and MariaDB. Error “#1698 - Access denied for user ‘root’@’localhost’” (SOLVED)
- How to Run a Program Automatically on Startup in Linux
- How to set up Varnish, rule examples
- ONVIF client with command line interface
- What program to open .docbook files (DocBook)
- How to change the login shell in Linux. chsh instruction
- How to run “bundle install” as root
- Warning: apt-key is deprecated (SOLVED)
- Instructions for using the file command
- How to split a large file (text or binary) into smaller files (SOLVED)
- Why are channels between 64 and 100 unavailable on 5 GHz Wi-Fi? (SOLVED)
- How to prevent NetworkManager from managing a specific interface? (SOLVED)
- How to know when the ext4/ext3/ext2 filesystem was created and when it was last mounted
- How to find out the number of starts and the total working time of a disk in Linux
- The in-memory file system - how to use tmpfs
- Error “Cannot load modules/libphp7.so” (SOLVED)
- Why does VirtualBox lose connection when changing MAC address (SOLVED)
- VirtualBox shared folder is read-only (SOLVED)
- How to choose the default Java version in Arch Linux
- bash: finger: command not found in Arch Linux (RESOLVED)
- How to find out which package contains a file
- How to view package information in Arch Linux (BlackArch, Manjaro)
- How to downgrade to a previous kernel in Arch Linux
- How to change the default operating system in Arch Linux (for UEFI and systemd-boot)
- Analogue of the --force option in pacman
- How to run small Python code in Bash
- How to completely uninstall a package along with dependencies on Arch Linux (as well as BlackArch and Manjaro)
- How to use Kali Linux to check web-sites
- Category: Money and job
- Category: Notes
- Category: Software, hardware and other IT
- How to prevent money loss in international roaming. Setting up your phone for international roaming
- ImageMagick error on Windows: “magick: unable to open image ”test’: No such file or directory @ error/blob.c/OpenBlob/3565. magick: no decode delegate for this image format `’ @ error/constitute.c/ReadImage/741.” (SOLVED)
- Error “The ‘<‘ operator is reserved for future use.” (SOLVED)
- mysqldump in PowerShell corrupts non-Latin characters when exporting database (SOLVED)
- Output encoding issues in PowerShell and third-party utilities running in PowerShell (SOLVED)
- How to prevent Tor users from viewing or commenting on a WordPress site
- How to enable DNS over HTTPS in Windows 11
- How to increase the color (saturation) of images, how to make a photo warmer or colder
- How good is 5G – review after real experience of use
- How to enable saving videos in HEVC in Android to reduce file size
- Ambient sound in Galaxy Buds2: an analogue of the transparency mode from Samsung
- How to remove navigation bar buttons in Samsung Galaxy S22
- Analogue of Add-Computer in PowerShell 7
- Basics of launching and using command line utilities in Windows
- iThemes Security locked out a user – how to login to WordPress admin when user is banned (SOLVED)
- Apache window appears and immediately disappears (SOLVED)
- How to connect a TV to a computer in Windows 11
- How to make images on a site (including WordPress) maintain the correct aspect ratio
- How to change the country in the Play Store
- Where Samba stores passwords. How to Extract Samba Usernames and Passwords (SOLVED)
- Setting up Android for battery saving
- How to watch IPTV on your phone
- How to connect a computer to the Internet via Bluetooth in Windows
- How to connect your phone to the Internet using another phone’s Bluetooth
- How to use an Android phone to access the Internet on a computer without Wi-Fi
- How to share mobile Internet with other phones and computers
- How to check Bluetooth version in Windows
- How to set default keyboard layout
- How to add a new keyboard layout in Windows 11. How to remove a keyboard layout
- How to change the language of Windows 11 without reinstalling the OS
- How to change keyboard shortcut to change keyboard layout in Windows 11
- How to quickly move to the beginning and end of a web page
- How to install Windows 11 without a Microsoft account
- How to add text formatting to WhatsApp and Viber: bold, italic, strikethrough and multiline text
- WordPress error “Another update is currently in progress” (SOLVED)
- Error “The code execution cannot proceed because VCRUNTIME140.dll was not found. Reinstalling the program may fix this problem” (SOLVED)
- How to clean up Windows 11 without additional programs
- How to uninstall and block updates and drivers from installing in Windows 11
- How to view and send SMS from a computer
- phpMyAdmin error “Deprecation Notice in .\vendor\twig\twig\src\Loader\FilesystemLoader.php#40 realpath(): Passing null to parameter #1 ($path) of type string is deprecated” (SOLVED)
- All the ‘tips of the day’ LibreOffice
- Where is the Normal.dotm analog for LibreOffice located
- How to boot into VirtualBox from USB
- How to get web page content and cookies of .onion sites in Python
- How to install the Active Directory PowerShell module on Windows Server, Windows 11 and Windows 10
- PowerShell with administrator rights: how to run and verify
- Full-text search in office files (Word) and archives – now it’s easy!
- Full-text search for documents in a folder
- GIMP copies not all layers (SOLVED)
- How to pause GIF on Windows, Linux, Mac OS
- How to install Windows Server Core 2022
- How to install Windows Server (Desktop Experience) 2022
- What is Windows Admin Center and do regular users need it?
- Demote Domain Controllers in Windows Server in PowerShell and GUI
- Error “Composer detected issues in your platform: Your Composer dependencies require the following PHP extensions to be installed: mysqli, openssl” (SOLVED)
- How to check PowerShell version in Windows 11
- How to install the latest PowerShell on Windows 11
- How to change the default web browser in Windows 11
- How to shut down computers in PowerShell
- How to restart computers in PowerShell
- How to configure the network interface to use a dynamic IP address (DHCP) in PowerShell
- How to set IP address, netmask, default gateway and DNS for a network interface in PowerShell
- How to install Squid proxy on Windows
- Why does my phone not switch to mobile Internet for a long time (SOLVED)
- PostgreSQL error “An old version of the database format was found” (SOLVED)
- How to Configure Tor to Work Through a Bridge Relay and Proxy in Windows
- How to disable autostart of programs and services in Windows
- libpcap-dev for Cygwin
- How to manage services on Windows
- Configuring Apache Web Server to Run Perl Programs on Windows
- How to install John the Ripper and Johnny on Windows with GPU support
- All about MAC addresses: what are they for, how to view and find out the manufacturer by MAC address
- Tor environment variables
- How do I know if I am behind NAT? (SOLVED)
- All chrome://* pages. Most useful chrome:// pages
- How to fix ERR_NETWORK_CHANGED error (SOLVED)
- How to clear DNS and other caches in Google Chrome
- How to fix “Configuration File (php.ini) Path” no value (SOLVED)
- Connection type “Bridged Adapter” stopped working on VirtualBox guest machine (SOLVED)
- How to enable spell checker in Google Chrome. How to add languages for spell checker
- How to display all environment variables at the Windows command prompt
- What is open_basedir for and how to use open_basedir
- How to open a Linux drive on Windows
- How to select multiple inconsistent files and other tips for selecting files
- Free alternative to WinRAR
- Error “Unable to load dynamic library ‘xmlrpc.so’” (SOLVED)
- How to add PHP path to %PATH% environment variable on Windows
- How to install Apache web server with PHP, MySQL and phpMyAdmin on Windows
- How to recover metadata in processed photos
- Error in LMDE “cryptsetup: WARNING: The initramfs image may not contain cryptsetup binaries nor crypto modules” (SOLVED)
- How to configure Linux LMDE login without entering a password
- How to install VirtualBox Guest Additions in Linux LMDE
- How to check if a package is installed on Linux Mint
- Category: Thailand
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