I use X Forwarging over SSH for several things to manage, such as virtual machines with “virt-manager”. Today, when I wanted to run a graphical tool on one of the servers I kept getting this error. Error: Can't open display: localhost:10.0 I verified all the possible configurations issued, launched the…
Citește mai departeI 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…
Citește mai departeWhen 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…
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