Thomas' Tech Tips

Weekly technical tips and tricks

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Graphical ping in terminal using gping

22 September 2023

List installed Debian packages sorted by disk space usage

15 September 2023

Start Windows performance monitor data collector automatically at start up

8 September 2023

Escape Question Mark in Excel Conditional Formatting

1 September 2023

Generate a stream of ones

25 August 2023

Record terminal session using script

18 August 2023

Kill processes running on a specified port

11 August 2023

How to use Wake on LAN

4 August 2023

Extract specific pages from PDF

28 July 2023

Enable Dark Mode in Microsoft Office 365

21 July 2023

Merge video and audio files into one a single mp4 file

14 July 2023

Fix display issue with Microsoft Remote Desktop on Dual Monitor system

7 July 2023

Canonical URLs in Jekyll templates

30 June 2023

Sort collection by property in Jekyll liquid template

23 June 2023

See size of each snapshot in restic backup repository

16 June 2023

How to manage iptables firewall rules on Ubuntu in Oracle Cloud Infrastructure

31 May 2023

How to list tables in an SQLite Database

24 May 2023

How to undo close window in Firefox

17 May 2023

Print only first N characters of string in Django template

10 May 2023

Add N days to current date in PostgreSQL

3 May 2023

Redirect output of SQL query to a file from inside psql

26 April 2023

How to mount network drive from command-line on Windows

19 April 2023

Show query execution time in PostgreSQL

12 April 2023

How to disable AutoSave by default in Microsoft Office

5 April 2023

How to create encrypted LUKS volume in a file

29 March 2023

Serve git repository using built-in git daemon

22 March 2023

Send email reminders from the shell

15 March 2023

How to start a detached process inside a screen on boot

8 March 2023

How to detach a screen nested within another screen

1 March 2023

Rescue non-bootable Linux system from a rescue cd and chroot

22 February 2023

How to fix issue with Linux unmounting filesystem immediately after mounting

15 February 2023

Enable or disable memory compression in Windows

8 February 2023

How to restore the default document template in Microsoft Word

1 February 2023

How to fix "yt-dlp" error "download_content() got an unexpected keyword argument"

31 January 2023

How to disable Cortana in Windows 10

25 January 2023

How to disable a user's password in Linux

18 January 2023

How to increase Keyboard Repeat Rate to more than KDE Systems Settings allow

11 January 2023

Increase keyboard repeat rate to more than Keyboard Settings in Windows Control Panel allows

4 January 2023

How to configure Keyboard Repeat Rate in KDE

30 December 2022

How to increase Keyboard Repeat Rate in Windows

23 December 2022

Change keyboard layout in Linux from command-line

17 December 2022

Poor man's iperf using netcat

10 December 2022

Fix broken packages on Red Hat Linux on Azure

3 December 2022

Fix trust issues with Let's Encrypt TLS certificates on Red Hat Enterprise Linux 7

27 November 2022

How to stripe over multiple disks using LVM

20 November 2022

How to connect Keychron K8 Pro keyboard via Bluetooth

15 November 2022

How to pair bluetooth device with LibreElec using bluetooth authentication code

13 November 2022

Print all except the first and last few lines of a file

6 November 2022

How to enable timestamps in dmesg

30 October 2022

How to view and flush DNS cache on Windows

23 October 2022

Access BIOS and boot from USB on Lenovo Yoga Slim Pro 7i

16 October 2022

Make MacOS hosted Minecraft games visible over LAN

9 October 2022

Use netcat to copy a file over the network

2 October 2022

Shrink LUKS volume with ext4 filesystem

27 September 2022

Convert LUKS volume from version 2 to version 1

20 September 2022

How to verify SSH host key fingerprint

13 September 2022

How to change passphrase on an SSH private key

6 September 2022

How to generate new ed25519 SSH host keys

30 August 2022

How to suppress SSH banner on login

23 August 2022

Fix X-Forwarding on Linux

16 August 2022

How to escape single quotes with awk

9 August 2022

Disable ACLs in Cygwin

2 August 2022

Install Cygwin packages easily with apt-cyg

27 July 2022

Enable Cygwin Bash Prompt Here Context Menu in Windows

20 July 2022

Reload PostgreSQL configuration without restarting

14 July 2022

Show battery percentage in MacOS

10 July 2022

Move a window by clicking anywhere on it in MacOS

5 July 2022

Convert FLAC to MP3 using ffmpeg while retaining all ID3 metadata

30 June 2022

Search and Replace across multiple lines with Vim

24 June 2022

See the size of PostgreSQL databases

10 June 2022

Enabling TRIM/DISCARD on Debian, ext4, luks, and lvm

3 June 2022

How to determine which LUKS passphrase belongs to what key slot

27 May 2022

How to enable BIOS mode on Corsair Strafe RGB

20 May 2022

Enable debug info with Kerberos and ssh

13 May 2022

How to speed up Cygwin startup time

6 May 2022

How to list installed Cygwin packages

29 April 2022

How to utilize 256 colors in Konsole

22 April 2022

How to disable desktop effects in KDE

15 April 2022

Configure DNS search domain on Red Hat

8 April 2022

DNS lookups through SOCKS proxy with Firefox

1 April 2022

Using sparse files in Linux

27 March 2022

Convert HTML files to PDF

20 March 2022

Fix ping for regular users in Linux

13 March 2022

How to trim filesystem from PowerShell

6 March 2022

See current connections in PostgreSQL

3 March 2022

grep trick to hide grep in ps process list

27 February 2022

Have grep show results from binary files

20 February 2022

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