sudo ne fonctionne pas.
Arch Linux est installé sur une clé USB formatée avec BTRFS.
Voici le résultat lorsque j'exécute "sudo" :
$ sudo
sudo: unable to stat /etc/sudoers: Permission denied
sudo: no valid sudoers sources found, quitting
sudo: unable to initialize policy plugin
$ ls -l /etc/sudoers
-r--r----- 1 root root 2849 May 18 15:00 /etc/sudoers
$ lsattr /etc/sudoers
--------------- /etc/sudoers
$ ls -ld /etc
drwxr-xr-x 1 root root 2476 May 25 13:45 /etc
$ ls -ld /
drwx------ 1 root root 142 May 25 06:51 /
$ ls -l $(which sudo)
---s--x--x 2 root root 123995 May 25 13:10 /usr/bin/sudo
$ strace -u ross sudo true 2>&1 | egrep '(sudo|set.*[ug].*id)'
execve("/usr/bin/sudo", ["sudo", "true"], [/* 30 vars */]) = 0
read(3, "31799 (sudo) R 31796 31796 31754"..., 1024) = 223
lstat64("/etc/sudo.conf", 0xbfcddeb0) = -1 ENOENT (No such file or directory)
stat64("/usr/lib/sudoers.so", {st_mode=S_IFREG|0755, st_size=235092, ...}) = 0
open("/usr/lib/sudoers.so", O_RDONLY|O_CLOEXEC) = 3
stat64("/usr/lib/sudoers.so", {st_mode=S_IFREG|0755, st_size=235092, ...}) = 0
setresuid32(0, -1, -1) = 0
setresgid32(-1, 0, -1) = 0
setresuid32(-1, 1, -1) = 0
lstat64("/etc/sudoers", 0xbfcddd60) = -1 EACCES (Permission denied)
setresuid32(-1, 0, -1) = 0
write(2, "sudo", 4sudo) = 4
write(2, "unable to stat /etc/sudoers", 27unable to stat /etc/sudoers) = 27
setresuid32(-1, 1, -1) = 0
setresgid32(-1, -1, -1) = 0
setresuid32(-1, 0, -1) = 0
setresuid32(-1, 0, -1) = 0
setresgid32(-1, 1000, -1) = 0
write(2, "sudo", 4sudo) = 4
write(2, "no valid sudoers sources found, "..., 40no valid sudoers sources found, quitting) = 40
write(2, "sudo", 4sudo) = 4
$ ltrace -u ross sudo true 2>&1 | egrep '(sudo|stat|set.*[ug].*id)'
bindtextdomain("sudo", "/usr/share/locale") = "/usr/share/locale"
textdomain("sudo") = "sudo"
fopen("/proc/31813/stat", "r") = 0x9e51d40
__xstat(3, "/dev/console", 0xbffd6074) = 0
__xstat(3, "/dev/wscons", 0xbffd6074) = -1
__xstat(3, "/dev/pts/4", 0xbffd6074) = 0
__lxstat64(3, "/etc/sudo.conf", 0xbffd9040) = -1
strlen("sudo") = 4
memcpy(0x09e51e71, "sudo", 4) = 0x09e51e71
__xstat64(3, "/usr/lib/sudoers.so", 0xbffd810c) = 0
dlopen("/usr/lib/sudoers.so", 257 <unfinished ...>
dlsym(0x09e51ef8, "sudoers_policy") = 0xb75af520
__xstat64(3, "/usr/lib/sudoers.so", 0xbffd810c) = 0
dlopen("/usr/lib/sudoers.so", 257) = 0x09e51ef8
dlsym(0x09e51ef8, "sudoers_io") = 0xb75af560
fputs("sudo", 0xb7760920sudo) = 1
fputs("unable to stat /etc/sudoers", 0xb7760920unable to stat /etc/sudoers) = 1
fputs("sudo", 0xb7760920sudo) = 1
fputs("no valid sudoers sources found, "..., 0xb7760920no valid sudoers sources found, quitting) = 1
fputs("sudo", 0xb7760920sudo) = 1
+++ exited (status 1) +++
Réponse acceptée :
Ok , vous ne semblez pas avoir accès pour / (can't cd),
Pouvez-vous essayer chmod 755 //code>