昨天刚装好了Armbian（《#折腾# 斐讯N1盒子刷Armbian做服务器》），今天在更新的时候就出现了一些错误，因为没影响读取更新源的信息，所以也没注意，直到编译PHP出错，才注意到这个内容，大致的报错内容在文末
关于/usr/bin/mandb报错的解决方案
直接上解决方案
mandb -csp
报错信息
/usr/bin/mandb: can't chmod /var/cache/man/pt_BR/CACHEDIR.TAG: Operation not permitted /usr/bin/mandb: can't remove /var/cache/man/pt_BR/CACHEDIR.TAG: Permission denied /usr/bin/mandb: fopen /var/cache/man/pt_BR/2363: Permission denied /usr/bin/mandb: can't chmod /var/cache/man/es/CACHEDIR.TAG: Operation not permitted /usr/bin/mandb: can't remove /var/cache/man/es/CACHEDIR.TAG: Permission denied /usr/bin/mandb: fopen /var/cache/man/es/2363: Permission denied /usr/bin/mandb: can't chmod /var/cache/man/pt/CACHEDIR.TAG: Operation not permitted /usr/bin/mandb: can't remove /var/cache/man/pt/CACHEDIR.TAG: Permission denied /usr/bin/mandb: fopen /var/cache/man/pt/2363: Permission denied /usr/bin/mandb: can't chmod /var/cache/man/hu/CACHEDIR.TAG: Operation not permitted /usr/bin/mandb: can't remove /var/cache/man/hu/CACHEDIR.TAG: Permission denied /usr/bin/mandb: fopen /var/cache/man/hu/2363: Permission denied /usr/bin/mandb: can't chmod /var/cache/man/fr/CACHEDIR.TAG: Operation not permitted /usr/bin/mandb: can't remove /var/cache/man/fr/CACHEDIR.TAG: Permission denied /usr/bin/mandb: fopen /var/cache/man/fr/2363: Permission denied /usr/bin/mandb: can't chmod /var/cache/man/ko/CACHEDIR.TAG: Operation not permitted /usr/bin/mandb: can't remove /var/cache/man/ko/CACHEDIR.TAG: Permission denied /usr/bin/mandb: fopen /var/cache/man/ko/2363: Permission denied /usr/bin/mandb: can't chmod /var/cache/man/fr.UTF-8/CACHEDIR.TAG: Operation not permitted /usr/bin/mandb: can't remove /var/cache/man/fr.UTF-8/CACHEDIR.TAG: Permission denied /usr/bin/mandb: fopen /var/cache/man/fr.UTF-8/2363: Permission denied /usr/bin/mandb: can't chmod /var/cache/man/ru/CACHEDIR.TAG: Operation not permitted /usr/bin/mandb: can't remove /var/cache/man/ru/CACHEDIR.TAG: Permission denied /usr/bin/mandb: fopen /var/cache/man/ru/2363: Permission denied /usr/bin/mandb: can't chmod /var/cache/man/zh_CN/CACHEDIR.TAG: Operation not permitted /usr/bin/mandb: can't remove /var/cache/man/zh_CN/CACHEDIR.TAG: Permission denied /usr/bin/mandb: fopen /var/cache/man/zh_CN/2363: Permission denied /usr/bin/mandb: can't chmod /var/cache/man/id/CACHEDIR.TAG: Operation not permitted /usr/bin/mandb: can't remove /var/cache/man/id/CACHEDIR.TAG: Permission denied /usr/bin/mandb: fopen /var/cache/man/id/2363: Permission denied /usr/bin/mandb: can't chmod /var/cache/man/nl/CACHEDIR.TAG: Operation not permitted /usr/bin/mandb: can't remove /var/cache/man/nl/CACHEDIR.TAG: Permission denied /usr/bin/mandb: fopen /var/cache/man/nl/2363: Permission denied /usr/bin/mandb: can't chmod /var/cache/man/it/CACHEDIR.TAG: Operation not permitted /usr/bin/mandb: can't remove /var/cache/man/it/CACHEDIR.TAG: Permission denied /usr/bin/mandb: fopen /var/cache/man/it/2363: Permission denied /usr/bin/mandb: can't chmod /var/cache/man/zh_TW/CACHEDIR.TAG: Operation not permitted /usr/bin/mandb: can't remove /var/cache/man/zh_TW/CACHEDIR.TAG: Permission denied /usr/bin/mandb: fopen /var/cache/man/zh_TW/2363: Permission denied /usr/bin/mandb: can't chmod /var/cache/man/gl/CACHEDIR.TAG: Operation not permitted /usr/bin/mandb: can't remove /var/cache/man/gl/CACHEDIR.TAG: Permission denied /usr/bin/mandb: fopen /var/cache/man/gl/2363: Permission denied /usr/bin/mandb: can't chmod /var/cache/man/ja/CACHEDIR.TAG: Operation not permitted /usr/bin/mandb: can't remove /var/cache/man/ja/CACHEDIR.TAG: Permission denied /usr/bin/mandb: fopen /var/cache/man/ja/2363: Permission denied /usr/bin/mandb: can't chmod /var/cache/man/fr.ISO8859-1/CACHEDIR.TAG: Operation not permitted /usr/bin/mandb: can't remove /var/cache/man/fr.ISO8859-1/CACHEDIR.TAG: Permission denied /usr/bin/mandb: fopen /var/cache/man/fr.ISO8859-1/2363: Permission denied /usr/bin/mandb: can't chmod /var/cache/man/tr/CACHEDIR.TAG: Operation not permitted /usr/bin/mandb: can't remove /var/cache/man/tr/CACHEDIR.TAG: Permission denied /usr/bin/mandb: fopen /var/cache/man/tr/2363: Permission denied /usr/bin/mandb: can't chmod /var/cache/man/cs/CACHEDIR.TAG: Operation not permitted /usr/bin/mandb: can't remove /var/cache/man/cs/CACHEDIR.TAG: Permission denied /usr/bin/mandb: fopen /var/cache/man/cs/2363: Permission denied /usr/bin/mandb: can't chmod /var/cache/man/da/CACHEDIR.TAG: Operation not permitted /usr/bin/mandb: can't remove /var/cache/man/da/CACHEDIR.TAG: Permission denied /usr/bin/mandb: fopen /var/cache/man/da/2363: Permission denied /usr/bin/mandb: can't chmod /var/cache/man/sl/CACHEDIR.TAG: Operation not permitted /usr/bin/mandb: can't remove /var/cache/man/sl/CACHEDIR.TAG: Permission denied /usr/bin/mandb: fopen /var/cache/man/sl/2363: Permission denied /usr/bin/mandb: can't chmod /var/cache/man/fi/CACHEDIR.TAG: Operation not permitted /usr/bin/mandb: can't remove /var/cache/man/fi/CACHEDIR.TAG: Permission denied /usr/bin/mandb: fopen /var/cache/man/fi/2363: Permission denied /usr/bin/mandb: can't chmod /var/cache/man/sv/CACHEDIR.TAG: Operation not permitted /usr/bin/mandb: can't remove /var/cache/man/sv/CACHEDIR.TAG: Permission denied /usr/bin/mandb: fopen /var/cache/man/sv/2363: Permission denied /usr/bin/mandb: can't chmod /var/cache/man/de/CACHEDIR.TAG: Operation not permitted /usr/bin/mandb: can't remove /var/cache/man/de/CACHEDIR.TAG: Permission denied /usr/bin/mandb: fopen /var/cache/man/de/2363: Permission denied /usr/bin/mandb: can't chmod /var/cache/man/pl/CACHEDIR.TAG: Operation not permitted /usr/bin/mandb: can't remove /var/cache/man/pl/CACHEDIR.TAG: Permission denied /usr/bin/mandb: fopen /var/cache/man/pl/2363: Permission denied
