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1. Enable SSH 2. Sign as root user 3. Run SQLite3 sqlite3 /volume1/\@ActiveBackup/config.db 4. Determine inventory_id: sqlite> SELECT inventory_id, host_name, host_addr FROM inventory_table; 1|172.26.1.3|172.26.1.3 5. Update IP address and host name (on row with correct inventory_id): sqlite> update inventory_table set host_name = „172.26.1.3“, host_addr = „172.26.1.3“ WHERE inventory_id = ‚1‘; 6. Terminate SQLite3 program: sqlite> […]

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

1. Power off (all) servers 2. Change the volume LUN ID to ID 0 on DE4000H 3. Power on (all) servers

Edit Bind config file vi /etc/bind/named.conf.options … options { … dnssec-enable yes; dnssec-validation auto; … }; …

# Show controller slots ssacli ctrl all show config # Disable HBA Mode ssacli controller slot=0 modify hbamode=off # Recheck controller status ssacli controller slot=0 show

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 […]

Check Point configuration: IP address WAN: 1.2.3.4 IP address LAN: 192.168.1.0/24 Username: johndoe Password: mysecret Shared secret: 12345678 Mikrotik configuration: /interface l2tp-client add connect-to=1.2.3.4 disabled=no ipsec-secret=12345678 name=l2tp-checkpoint password=“mysecret“ use-ipsec=yes user=johndoe /ip ipsec proposal set [ find default=yes ] enc-algorithms=3des pfs-group=none /ip route add distance=1 dst-address=192.168.1.0/24 gateway=l2tp-checkpoint

DnsCmd.exe /Config /enablednssec 1

Quick fix: echo „dn: cn=config changetype: modify replace: olcSizeLimit olcSizeLimit: 10000“ > olcSizeLimit.ldif ldapmodify -Y EXTERNAL -H ldapi:/// -f olcSizeLimit.ldif

When installing a certificate on Apache web server, you might receive an error SSL Library Error: 185073780 error:0B080074:x509 certificate routines:X509_check_private_key:key values mismatch during restart of Apache service. Most often, this error appears if you are using an incorrect private key along with the certificate you received from the Certificate Authority. In order for Apache to […]