Thomas' Tech Tips

Weekly technical tips and tricks

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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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