m0_62851708: 这样之后下载还是失败是咋回事[code=plain] [root@archiso /]# sudo rm /var/lib/pacman/ [root@archiso /]# pacman -S vim resolving dependencies... looking for conflicting packages... Packages (3) gpm-1.20.7.r38.ge82d1a6-4 vim-runtime-8.2.4464-1 vim-8.2.4464-1 Total Download Size: 8.70 MiB Total Installed Size: 36.23 MiB :: Proceed with installation? [Y/n] y error: no servers configured for repository: extra (3/3) checking keys in keyring [####################################################################] 100% (3/3) checking package integrity [####################################################################] 100% error: failed to commit transaction (wrong or NULL argument passed) Errors occurred, no packages were upgraded. [/code]
贪心算法求解最优化问题
ArchLinux遇到问题unable to lock database