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- 06 Ubuntu Network設定
- transmit-hash-policy: layer3+4 vlans: vlan.100: id: 100 link: bond1 bridges: br0: interfaces: - bond0 addresses: ... earch: [] br1: interfaces: - vlan.100 addresses: - 100.100.0.10/16 gateway4: 100.100.255.254 nameservers:
- 08 Ubuntu Nat iptables直
- orward=1 ===== SNAT ===== 下記の状態で、eth1側から192.168.100.0/24からのアクセスだけIPマスカレードする。 |enp1s0|グローバル側|10.10.10.76| |enp6s0|ローカル側|192.168.100.76| iptables -A INPUT -m state --state RELATED... D DROP iptables -A FORWARD -i enp6s0 -s 192.168.100.0/24 -j ACCEPT ===== iptables 永続化 ===== 下記で再起動... BLISHED -j ACCEPT -A FORWARD -i enp6s0 -s 192.168.100.0/24 -j ACCEPT COMMIT # NAT *nat -F :POSTROUTING
- 09 Ubuntu Bcache Ceph
- k/bcache0/bcache/cache/cache_available_percent 100 # cat /sys/block/bcache0/bcache/state dirty
- 11 Ubuntu デフォルトエディタをnanoからviへ
- auto mode 1 /bin/ed -100 manual mode 2 /bin/nano
- 15 Ubuntu ZFS zfs_arc_max
- Most Recently Used (MRU) cache size: 100.0 % 12.8 GiB Metadata cache size (hard