Sări la conținut
ZTB ZTB.RO
EM

Emil CHERICHEȘ

Între 15.10.2025 și 30.10.2025, a publicat 15 articole, citite de 5.740 ori, cele mai multe scrise în categoria Știință/Tehnică (15 articole) .

Cele mai recente

Știință/Tehnică •

Let’s Encrypt is Trusted

Both Let’s Encrypt intermediate certificates, Let’s Encrypt Authority X1 and Let’s Encrypt Authority X2, received cross-signatures. Web servers will need to be configured to serve the appropriate cross-signature certificate as part of the trust chain. The Let’s Encrypt client will handle this automatically. More info on Let’s Encrypt blog.

Emil CHERICHEȘ 488
Știință/Tehnică •

The anatomy of a smart bulb

I’ve been having some troubles with Zigbee. Yes, at our airbnb we have a rather big dining room where I’ve put 7 Zigbee RGBWW Smart bulbs. The problem is that each time I try to turn all 7 on or off there’s either a lag or some of them just…

Emil CHERICHEȘ 390
Știință/Tehnică •

Chasing Ads

I hate ads. Don’t get me wrong, I understand why they’re here, I understand how the system works, I just hate when ads get in your way. For Chrismas, Santa and my Piggy Bank decided to make me have a Galaxy S5 Duos (Duos stands for Dual SIM). It all…

Emil CHERICHEȘ 493
Știință/Tehnică •

Debian on BTRFS with subvolumes

This install method is not only usefull for this case but also when you need to install a remote system where the person running the install physically is not well versed in linux system installs. First of all we need to download a Debian Live ISO. I prefer the amd64-standard.iso,…

Emil CHERICHEȘ 105

Cele mai citite

Știință/Tehnică •

Chasing Ads

I hate ads. Don’t get me wrong, I understand why they’re here, I understand how the system works, I just hate when ads get in your way. For Chrismas, Santa and my Piggy Bank decided to make me have a Galaxy S5 Duos (Duos stands for Dual SIM). It all…

Emil CHERICHEȘ 493
Știință/Tehnică •

Let’s Encrypt is Trusted

Both Let’s Encrypt intermediate certificates, Let’s Encrypt Authority X1 and Let’s Encrypt Authority X2, received cross-signatures. Web servers will need to be configured to serve the appropriate cross-signature certificate as part of the trust chain. The Let’s Encrypt client will handle this automatically. More info on Let’s Encrypt blog.

Emil CHERICHEȘ 488
Știință/Tehnică •

Quick TIP: Postfix Reverse lookup

When your maillog on a CentOS/*EL machine looks like this: mail postfix/smtpd[19345]: connect from unknown[XXX.YYY.ZZZ.QQQ] The solution is really simple, just copy some resolve libs into postfix’s chroot folder: mkdir /var/spool/postfix/lib64/ cp /lib64/*nss* /lib64/*reso* /var/spool/postfix/lib64/ service postfix restart Now it should look like this: Oct 31 09:00:34 mail postfix/smtpd[19424]: connect…

Emil CHERICHEȘ 457