Add new opkg key

[hackerempire]

Add new opkg key:

wget -O passwall.pub https://master.dl.sourceforge.net/project/openwrt-passwall-build/passwall.pub
opkg-key add passwall.pub

Saving to: 'passwall.pub'

passwall.pub 100% 109 --.-KB/s in 0s

2026-03-08 05:41:28 (8.10 MB/s) - 'passwall.pub' saved [109/109]

/usr/sbin/opkg-key: line 31: usign: not found

最后一行是什么意思

[hackerempire]

运行 opkg update && opkg install usign