{"id":167,"date":"2026-04-05T18:12:42","date_gmt":"2026-04-05T09:12:42","guid":{"rendered":"https:\/\/falcon21.space\/kazuya\/work\/?page_id=167"},"modified":"2026-04-05T18:12:42","modified_gmt":"2026-04-05T09:12:42","slug":"%e3%83%8d%e3%83%83%e3%83%88%e3%83%af%e3%83%bc%e3%82%af%e6%8e%a5%e7%b6%9a%e6%a4%9c%e8%a8%bc","status":"publish","type":"page","link":"https:\/\/falcon21.space\/kazuya\/work\/?page_id=167","title":{"rendered":"\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u63a5\u7d9a\u691c\u8a3c"},"content":{"rendered":"\n
NetworkManager \u63a5\u7d9a\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u3092\u30ea\u30b9\u30c8\u3057\u307e\u3059\u3002 

[root@falcon21 ~]# nmcli connection show
NAME \u3000\u3000\u3000\u3000\u3000\u3000UUID \u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000TYPE \u3000\u3000\u3000 \u3000\u3000DEVICE
\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb 1 \u30003b999db5-cfd0-4728-95bb-abbe2296bd70 \u3000            ethernet        enp2s0
lo \u3000\u3000\u3000\u3000\u3000\u3000\u3000749875c3-34ce-4daf-8f5d-2462ebce5129 \u3000            loopback \u3000\u3000   lo

----------------

1. NIC \u306e IP \u8a2d\u5b9a\u3092\u8868\u793a
[root@falcon21 ~]# ip address show enp2s0
2: enp2s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000
    link\/ether xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
    altname xxxxxxxxxxxxxxxxxxxxxxxxx
    inet 192.168.10.3\/24 brd 192.168.10.255 scope global noprefixroute enp2s0
       valid_lft forever preferred_lft forever

--------------------


2. IPv4 \u30c7\u30d5\u30a9\u30eb\u30c8\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u3092\u8868\u793a

[root@falcon21 ~]# ip route show default
default via 192.168.10.1 dev enp2s0 proto static metric 100

----------


3. IPv6 \u30c7\u30d5\u30a9\u30eb\u30c8\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u3092\u8868\u793a

[root@falcon21 ~]# ip -6 route show default
default via fe80::xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx proto ra metric 100 pref medium


----------


4. DNS \u8a2d\u5b9a\u3092\u8868\u793a

[root@falcon21 ~]# cat \/etc\/resolv.conf
# Generated by NetworkManager
search falcon21.space space\u3000\u3000\u3000\u3000\u3000\u3000\u3000
nameserver 192.168.10.1

ipv6 \u6709\u52b9\u5316\u3000\u81ea\u52d5\u8a2d\u5b9a\u6642\u306f
[root@falcon21 ~]# cat \/etc\/resolv.conf
# Generated by NetworkManager
search falcon21.space flets-west.jp iptvf.jp space
nameserver 192.168.10.1
nameserver 2001:a7ff:5f01::a
nameserver 2001:a7ff:5f01:1::a

----------------


\u3000dig \u30b3\u30de\u30f3\u30c9\u3000\u3067\u63a5\u7d9a\u78ba\u8a8d
\u3000.

[root@falcon21 ~]# dig falcon21.space

; <<>> DiG 9.18.33 <<>> falcon21.space
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 7118
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 1232
;; QUESTION SECTION:
;falcon21.space.                        IN      A

;; ANSWER SECTION:
falcon21.space.         1200    IN      A       203.181.3.94

;; Query time: 155 msec
;; SERVER: 192.168.10.1#53(192.168.10.1) (UDP)
;; WHEN: Tue Nov 11 15:41:05 JST 2025
;; MSG SIZE  rcvd: 59


----------------

[root@falcon21 ~]# dig -x 203.181.3.94

; <<>> DiG 9.18.33 <<>> -x 203.181.3.94
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 9625
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 1232
;; QUESTION SECTION:
;94.3.181.203.in-addr.arpa.     IN      PTR

;; ANSWER SECTION:
94.3.181.203.in-addr.arpa. 86400 IN     PTR     q003094.ppp.asahi-net.or.jp.

;; Query time: 24 msec
;; SERVER: 192.168.10.1#53(192.168.10.1) (UDP)
;; WHEN: Tue Nov 11 15:42:15 JST 2025
;; MSG SIZE  rcvd: 95


----------------

[root@falcon21 ~]# dig -x 192.168.10.3

; <<>> DiG 9.18.33 <<>> -x 192.168.10.3
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 52227
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 1232
;; QUESTION SECTION:
;3.10.168.192.in-addr.arpa.     IN    PTR

;; AUTHORITY SECTION:
168.192.in-addr.arpa.   10800   IN    SOA   localhost. nobody.invalid. 1 3600 1200 604800 10800

;; Query time: 9 msec
;; SERVER: 192.168.10.1#53(192.168.10.1) (UDP)
;; WHEN: Tue Nov 11 15:43:11 JST 2025
;; MSG SIZE  rcvd: 113


---------------------------

5. ping \u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\u30fc\u3092\u4f7f\u7528\u3057\u3066\u3001\u3053\u306e\u30db\u30b9\u30c8\u304c\u30d1\u30b1\u30c3\u30c8\u3092\u4ed6\u306e\u30db\u30b9\u30c8\u306b\u9001\u4fe1\u3067\u304d\u308b\u3053\u3068\u3092\u78ba\u8a8d
[root@falcon21 ~]# ping falcon21.space
PING falcon21.space (203.181.3.94) 56(84) \u30d0\u30a4\u30c8\u306e\u30c7\u30fc\u30bf
64 \u30d0\u30a4\u30c8\u5fdc\u7b54 \u9001\u4fe1\u5143 q003094.ppp.asahi-net.or.jp (203.181.3.94): icmp_seq=1 ttl=64 \u6642\u9593=1.29\u30df\u30ea\u79d2
64 \u30d0\u30a4\u30c8\u5fdc\u7b54 \u9001\u4fe1\u5143 q003094.ppp.asahi-net.or.jp (203.181.3.94): icmp_seq=2 ttl=64 \u6642\u9593=1.45\u30df\u30ea\u79d2
64 \u30d0\u30a4\u30c8\u5fdc\u7b54 \u9001\u4fe1\u5143 q003094.ppp.asahi-net.or.jp (203.181.3.94): icmp_seq=3 ttl=64 \u6642\u9593=0.913\u30df\u30ea\u79d2
64 \u30d0\u30a4\u30c8\u5fdc\u7b54 \u9001\u4fe1\u5143 q003094.ppp.asahi-net.or.jp (203.181.3.94): icmp_seq=4 ttl=64 \u6642\u9593=1.79\u30df\u30ea\u79d2
^C
--- falcon21.space ping \u7d71\u8a08 ---
\u9001\u4fe1\u30d1\u30b1\u30c3\u30c8\u6570 4, \u53d7\u4fe1\u30d1\u30b1\u30c3\u30c8\u6570 4, 0% packet loss, time 3005ms
rtt min\/avg\/max\/mdev = 0.913\/1.360\/1.786\/0.313 ms
<\/pre>\n\n\n\n
<\/p>\n","protected":false},"excerpt":{"rendered":"
NetworkManager \u63a5\u7d9a\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u3092\u30ea\u30b9\u30c8\u3057\u307e\u3059\u3002 [root@falcon21 ~]# nmcli connection showNAME \u3000\u3000\u3000\u3000\u3000\u3000UUID \u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-167","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/falcon21.space\/kazuya\/work\/index.php?rest_route=\/wp\/v2\/pages\/167","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/falcon21.space\/kazuya\/work\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/falcon21.space\/kazuya\/work\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/falcon21.space\/kazuya\/work\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/falcon21.space\/kazuya\/work\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=167"}],"version-history":[{"count":1,"href":"https:\/\/falcon21.space\/kazuya\/work\/index.php?rest_route=\/wp\/v2\/pages\/167\/revisions"}],"predecessor-version":[{"id":168,"href":"https:\/\/falcon21.space\/kazuya\/work\/index.php?rest_route=\/wp\/v2\/pages\/167\/revisions\/168"}],"wp:attachment":[{"href":"https:\/\/falcon21.space\/kazuya\/work\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=167"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}