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Archive for November, 2023

klist: Improper format of Kerberos configuration file while initializing krb5

There were extra spaces or space with a different font, in front of “” that got copied over from an editor.  Once replaced, everything worked fine: root@g73sw01:/etc# klist -kte klist: Improper format of Kerberos configuration file while initializing krb5 root@g73sw01:/etc# vi /etc/krb5.conf root@g73sw01:/etc# klist -kte Keytab name: FILE:/etc/krb5.keytab KVNO Timestamp Principal —- ——————- —————————————————— 6 […]

[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failename mismatch, certificate is not valid for ‘idmipa01.nix.mds.xyz’

When joining a new client to the FreeIPA servers: # ipa-client-install –uninstall; ipa-client-install –force-join -p USER -w “SECRET” –fixed-primarver=idmipa01.nix.mds.xyz –server=idmipa02.nix.mds.xyz –domain=nix.mds.xyz –realm=NIX.MDS.XYZ -U the following  message is visible: Connection to https://idmipa01.nix.mds.xyz/ipa/json failed with [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failename mismatch, certificate is not valid for ‘idmipa01.nix.mds.xyz’. (_ssl.c:1007) Connection to https://idmipa02.nix.mds.xyz/ipa/json failed with [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify […]

Ping resolves internal DNS entries with external IP’s. Nslookup works fine.

Ping resolves internal DNS entries with external IP’s: C:\Windows\system32>ping atlas-c01 Pinging atlas-c01.nix.mds.xyz [3.64.163.50] with 32 bytes of data: Control-C ^C C:\Windows\system32>ping atlas-c01 Pinging atlas-c01.nix.mds.xyz [3.64.163.50] with 32 bytes of data: Control-C ^C C:\Windows\system32> Nslookup works great: C:\Windows\system32>nslookup atlas-c01.nix.mds.xyz Server: dns.mds.xyz Address: 192.168.0.224 Non-authoritative answer: Name: atlas-c01.nix.mds.xyz Address: 10.0.0.77 C:\Windows\system32> Even from a locally installed Ubuntu […]

Set Static IP on Ubuntu Server

Via the CLI: root@tom-G73Sw:~# cd /etc/netplan/ root@tom-G73Sw:/etc/netplan# cat 01-network-manager-all.yaml # Let NetworkManager manage all devices on this system network: version: 2 renderer: NetworkManager ethernets: enp5s0: dhcp4: no addresses: [192.168.0.15/24] gateway4: 192.168.0.1 nameservers: addresses: [192.168.0.224,192.168.0.46,192.168.0.51] root@tom-G73Sw:/etc/netplan# Then issue: netplan try so changes take effect.  Via UI, go to Activities then Settings, select Network or WiFi, based […]


     
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