As we increasingly move towards a digital world, note-taking apps have become a daily essential for many of us. From jotting down quick thoughts to organizing complex information, these apps serve a multitude of purposes. Today, I want to delve into one particular note-taking app that has been gaining attention … Read more
How to view .HEIC image thumbnails in Void Linux thunar/nautilus/pcmanfm…file managers
Install these packages and restart file manager
sudo xbps-install libheif libheif-tools
Note: HEIC thumbnails in pcmanfm didn’t work for me.… Read more
void linux: recover from grub, kernel panic using live OS
… Read more
# mount & chroot to void cryptsetup open /dev/nvme0n1p2 root mount /dev/mapper/root /mnt mount /dev/nvme0n1p1 /mnt/boot mount --rbind /sys /mnt/sys && mount --make-rslave /mnt/sys mount --rbind /dev /mnt/dev && mount --make-rslave /mnt/dev mount --rbind /proc /mnt/proc && mount --make-rslave /mnt/proc chroot /mnt /bin/bash # regenerate initramfs and grub config VERSION=5.18.16_1
How to add bulk IP addresses to DigitalOcean firewall ?
How to renew the SSL certificates for dovecot and postfix
Make a backup of the existing SSL key and certificate file
cd /etc/pki/dovecot cp -a certs/dovecot.pem certs/dovecot.pem.old cp -a private/dovecot.pem private/dovecot.pem.old
Create the new SSL certificate for two years:
openssl genrsa -out private/dovecot.pem 1024 openssl req -new -x509 -key private/dovecot.pem -out certs/dovecot.pem -days 730
Restart Dovecot and Postfix
How to display brightness level in i3status bar
What is DevOps?
1. Definition from Wikipedia:
DevOps (a clipped compound of “development” and “operations”) is a set of software development practices[failed verification] that combines software development (Dev) with information technology operations (Ops) to shorten the systems development life cycle while delivering features, fixes, and updates frequently in close alignment with business objectives.… Read more
How to auto login in MySQL from a shell?
When you run MySQL commands MySQL, mysqlcheck, mysqdump and psql, psqldump, etc; they will pick username & password from this file if you do not provide them as argument (-u and -p). It can save you time.
Of course, if you specify username and password explicitly as part of the … Read more
Still Confused With Mail Ports?
This article explains the most commonly used Email protocols on the internet – POP3, IMAP, and SMTP
- SMTP 25, 2525
- SMTP-SSL/TLS 587,465
- IMAP 143
- IMAP-SSL/TLS 993
- POP3 110
- POP3-SSL/TLS 995
587 vs. 465
These port assignments are specified by the Internet Assigned Numbers Authority (IANA):
Port 587: [SMTP] Message … Read more