Thanks but still says no such file in the directory Just copy pasting below what happened;
merve@endless:~$ openssl s_client -connect ostree.endlessm.com:443 </dev/null
CONNECTED(00000003)
depth=2 C = US, O = Internet Security Research Group, CN = ISRG Root X1
verify return:1
depth=1 C = US, O = Let's Encrypt, CN = R3
verify return:1
depth=0 CN = ostree.endlessm.com
verify return:1
---
Certificate chain
0 s:CN = ostree.endlessm.com
i:C = US, O = Let's Encrypt, CN = R3
1 s:C = US, O = Let's Encrypt, CN = R3
i:C = US, O = Internet Security Research Group, CN = ISRG Root X1
2 s:C = US, O = Internet Security Research Group, CN = ISRG Root X1
i:O = Digital Signature Trust Co., CN = DST Root CA X3
---
Server certificate
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
subject=CN = ostree.endlessm.com
issuer=C = US, O = Let's Encrypt, CN = R3
---
No client certificate CA names sent
Peer signing digest: SHA256
Peer signature type: RSA-PSS
Server Temp Key: X25519, 253 bits
---
SSL handshake has read 4584 bytes and written 391 bytes
Verification: OK
---
New, TLSv1.3, Cipher is TLS_AES_256_GCM_SHA384
Server public key is 2048 bit
Secure Renegotiation IS NOT supported
Compression: NONE
Expansion: NONE
No ALPN negotiated
Early data was not sent
Verify return code: 0 (ok)
---
---
Post-Handshake New Session Ticket arrived:
SSL-Session:
Protocol : TLSv1.3
Cipher : TLS_AES_256_GCM_SHA384
Session-ID: 6E642C3984FFF41ECB00F7DC98B1DC1D5AE803F91D5EBD097A59B7BA173FE3AE
Session-ID-ctx:
Resumption PSK: 7C72695AEA1B937CEDF43900A103B6990566DB07D5509ABF7D4606B96C0A8EA18DBE3BEDD5C14338C02A8842784978A7
PSK identity: None
PSK identity hint: None
SRP username: None
TLS session ticket lifetime hint: 604800 (seconds)
TLS session ticket:
0000 - cb e0 c8 ba 63 9e 5e 4d-a4 a5 b0 14 48 9f 0e 18 ....c.^M....H...
0010 - 16 4a 93 5b ee be 8d 5a-22 bd 1b 31 5a 24 8d d9 .J.[...Z"..1Z$..
0020 - ba 13 0d 63 1c 3e d6 11-bd 02 ff 57 87 1b 5c 86 ...c.>.....W..\.
0030 - 53 23 20 0c 33 c7 c1 24-70 06 73 11 e6 27 e8 40 S# .3..$p.s..'.@
0040 - a9 04 21 61 ab b7 0c 81-28 03 70 d0 13 ae 6a d7 ..!a....(.p...j.
0050 - a3 ab 90 a4 58 3a 91 71-0d fc 12 7e ef c8 e4 6b ....X:.q...~...k
0060 - 7e ce 84 8e f9 47 68 a0-fc a2 fe bd 52 57 ab 01 ~....Gh.....RW..
0070 - da 23 ec a7 5d 6f 04 a3-7f b8 a6 69 0c 56 83 9c .#..]o.....i.V..
0080 - 4e a0 1f 3b d5 a4 83 22-e7 fa 96 1a fc dd 8f 85 N..;..."........
0090 - 56 14 5c 7c 1c 4d 9e ff-4c 55 b2 1d fb 84 e1 ed V.\|.M..LU......
00a0 - 4f be f3 0f d9 e7 8c 2a-d0 e4 da 30 5f d8 93 50 O......*...0_..P
Start Time: 1634830622
Timeout : 7200 (sec)
Verify return code: 0 (ok)
Extended master secret: no
Max Early Data: 0
---
read R BLOCK
DONE
merve@endless:~$ sudo ostree admin config-diff
M localtime
M mtab
M avahi/services
M cups
M cups/ppd
M cups/ssl
M eos-google-chrome-helper/eos-google-chrome-helper.conf
M metrics
M metrics/eos-metrics-permissions.conf
M subuid
M subgid
M timezone
M passwd
M machine-id
M group
M shadow
M gshadow
M fake-hwclock.data
A NetworkManager/system-connections/Tech_D3737987.nmconnection
A cups/subscriptions.conf.O
A cups/subscriptions.conf
A default/keyboard
A metrics/location.conf
A metrics/cache-size.conf
A resolv.conf
A .updated
A gshadow-
A shadow-
A subuid-
A subgid-
A vconsole.conf
A group-
A passwd-