Hodžův blog

After installing the October update (KB5018410), customers started reporting to us that they were unable to send mail from Outlook using SMTP TLS (port 587). The email client only displays the error message: 0x800CCC1A and postfix writes in the log: Oct 16 18:21:39 mail postfix/submission/smtpd[719912]: connect from my.private.ip.[xxx.xxx.xxx.xxx] Oct 16 18:21:39 mail postfix/submission/smtpd[719912]: SSL_accept error […]

With Greenbone Enterprise TRIAL, as well as Greenbone Community Edition (GCE), I ran into a problem where I could not log into the web interface after several tests. I just get a message: The Greenbone Vulnerability Manager service is not responding. This could be due to system maintenance. Please try again later, check the system […]

May 29 02:06:55 pve1 pvestatd[1931]: authkey rotation error: cfs-lock ‚authkey‘ error: got lock request timeout May 29 02:06:55 pve1 pvestatd[1931]: status update time (9.120 seconds) May 29 02:06:56 pve1 pve-ha-lrm[2050]: unable to write lrm status file – unable to delete old temp file: Input/output error Fix the cluster filesystem: # systemctl stop pve-cluster # rm […]

Problem: #./hpsetup ./hpsetup: error while loading shared libraries: libstdc++.so.6: cannot open shared object file: No such file or directory Quick Fix: # apt-get install lib32stdc++6

Error: # apt update Hit:1 http://security.debian.org/debian-security buster/updates InRelease Hit:2 http://deb.debian.org/debian buster InRelease Get:3 https://download.jitsi.org stable/ InRelease [1,882 B] Err:3 https://download.jitsi.org stable/ InRelease The following signatures couldn’t be verified because the public key is not available: NO_PUBKEY B4D2D216F1FD7806 Reading package lists… Done Building dependency tree Reading state information… Done 12 packages can be upgraded. Run ‚apt […]

Error: root@mailgw:~# apt update Hit:1 http://deb.debian.org/debian buster InRelease Hit:2 http://security.debian.org/debian-security buster/updates InRelease Hit:3 http://downloads.metasploit.com/data/releases/metasploit-framework/apt lucid InRelease Hit:4 https://packages.sury.org/php buster InRelease Err:4 https://packages.sury.org/php buster InRelease The following signatures were invalid: EXPKEYSIG B188E2B695BD4743 DEB.SURY.ORG Automatic Signing Key Reading package lists… Done Building dependency tree Reading state information… Done All packages are up to date. W: An error […]

Koupil jsem si nový monitor s rozlišením 2560×1440 pixelů, ale Xorg ho nerozpoznal korektně xrandr –listmonitors Monitors: 1 0: +*HDMI-1 1920/725×1440/428+0+0 HDMI-1 …takže jsem musel rozlišení nastavit ručně. Nejdříve jsem si vygeneroval adekvátní modeline (rozlišení 2560×1400 pixelů při 60Hz): $ cvt 2560 1440 60 # 2560×1440 59.96 Hz (CVT 3.69M9) hsync: 89.52 kHz; pclk: 312.25 […]

# mysql -u root -p MariaDB [(none)]> use nextcloud; MariaDB [nextcloud]> set global innodb_large_prefix=on; MariaDB [nextcloud]> set global innodb_file_format=Barracuda; MariaDB [nextcloud]> quit; # sudo -u www-data php occ maintenance:repair

Quick Fix # apt-get install desktop-file-utils

Debian 10 (Buster) + latest NSClient++ on Windows 2019 server Linux: root@nagios:/# /usr/lib/nagios/plugins/check_nrpe -H 172.24.1.1 -c check_ad CHECK_NRPE: (ssl_err != 5) Error – Could not complete SSL handshake with 172.24.1.1: 1 Windows: 2019-09-21 18:30:46: error:c:\source\master\include\socket/connection.hpp:273: Seems we other end is not using ssl: unknown protocol 2019-09-21 18:30:46: error:c:\source\master\include\socket/connection.hpp:274: Please review the ssl option as well […]