跳至主要内容

sudo: unable to resolve host abc


         在127.0.0.1 localhost 后面加上主机名称(hostname) 即可, /etc/hosts 内容修改成如下:
127.0.0.1       localhost abc  #要保证这个名字与 /etc/hostname中的主机名一致才有效
# 或改成下面这两行
#127.0.0.1       localhost
#127.0.0.1       abc
这样设完后, 使用sudo 就不会再有那个提示信息了。
标签：

评论

发表评论

此博客中的热门博文

go url encoding

func  QueryUnescape func QueryUnescape (s string ) ( string , error ) QueryUnescape does the inverse transformation of QueryEscape, converting %AB into the byte 0xAB and '+' into ' ' (space). It returns an error if any % is not followed by two hexadecimal digits. func  QueryUnescape func QueryUnescape (s string ) ( string , error ) QueryUnescape does the inverse transformation of QueryEscape, converting %AB into the byte 0xAB and '+' into ' ' (space). It returns an error if any % is not followed by two hexadecimal digits.
发表评论
阅读全文

go golang get disk usage free space remain info

package main import ( "fmt" "syscall" ) func main() { fmt.Println(DiskUsage("./")) } func DiskUsage(path string) uint64 { fs := syscall.Statfs_t{} err := syscall.Statfs(path, &fs) if err != nil { return 0 } return fs.Bfree * uint64(fs.Bsize) } //All space   = fs.Blocks * uint64(fs.Bsize) //Free space = fs.Bfree * uint64(fs.Bsize) //Used space= fs.All - disk.Free
1 条评论
阅读全文