When using /etc/vserver/vserver/flags, the flags are set, but the flag fakeinit
dos not work as expected:
host:/etc/vservers/vserver# cat flags
host:/etc/vservers/vserver# vserver vserver start
Starting system log daemon: syslogd.
Starting kernel log daemon: klogd.
Starting internet superserver: inetd.
Starting deferred execution scheduler: atd.
Starting periodic command scheduler: cron.
host:/etc/vservers/vserver# vserver vserver enter
mesg: /dev/pts/10: Operation not permitted
vserver:/# cat /proc/self/vinfo
XID: 8004
BCaps: 0000000000000001
CCaps: 0000000000000001
CFlags: 0000000202020010
CIPid: 0
vserver:/# ps ax
PID TTY STAT TIME COMMAND
1 ? S 0:00 init [2]
21542 ? Ss 0:00 /sbin/syslogd
21581 ? Ss 0:00 /usr/sbin/inetd
21587 ? Ss 0:00 /usr/sbin/cron
21600 pts/10 S 0:00 /bin/bash -login
21620 pts/10 R+ 0:00 ps ax
vserver:/# logout
Now, fakeinit is put into flags:
host:/etc/vservers/vserver# cat flags
fakeinit
host:/etc/vservers/vserver# vserver vserver start
host:/etc/vservers/vserver# Starting system log daemon: syslogd.
Starting kernel log daemon: klogd.
Starting internet superserver: inetd.
Starting deferred execution scheduler: atd.
Starting periodic command scheduler: cron.
host:/etc/vservers/vserver# vserver vserver enter
mesg: /dev/pts/10: Operation not permitted
vserver:/# cat /proc/self/vinfo
XID: 8004
BCaps: 0000000000000001
CCaps: 0000000000000001
CFlags: 0000000002020010
CIPid: 21945
vserver:/# ps ax
PID TTY STAT TIME COMMAND
21958 ? Ss 0:00 /sbin/syslogd
21997 ? Ss 0:00 /usr/sbin/inetd
22003 ? Ss 0:00 /usr/sbin/cron
22009 pts/10 R 0:00 /bin/bash -login
22025 pts/10 R+ 0:00 ps ax
vserver:/# logout
Now, 0x10 (fakeinit) is put into flags:
host:/etc/vservers/vserver# cat flags
0x00000010
host:/etc/vservers/vserver# vserver vserver start
Starting system log daemon: syslogd.
Starting kernel log daemon: klogd.
Starting internet superserver: inetd.
Starting deferred execution scheduler: atd.
Starting periodic command scheduler: cron.
host:/etc/vservers/vserver# vserver vserver enter
mesg: /dev/pts/10: Operation not permitted
vserver:/# cat /proc/self/vinfo
XID: 8004
BCaps: 0000000000000001
CCaps: 0000000000000001
CFlags: 0000000202020010
CIPid: 0
vserver:/# ps ax
PID TTY STAT TIME COMMAND
1 ? S 0:00 init [2]
22335 ? Ss 0:00 /sbin/syslogd
22374 ? Ss 0:00 /usr/sbin/inetd
22380 ? Ss 0:00 /usr/sbin/cron
22393 pts/10 S 0:00 /bin/bash -login
22408 pts/10 R+ 0:00 ps ax
vserver:/# logout
There are 2 questions:
1) Why does fakeinit not work, while 0x10 does ?
2) Why does 0x10 not set just 0x0000000000000010, but 0x0000000202020010 ?
# vserver-info
Versions:
Kernel: 2.6.15.1.060308-bs1
VS-API: 0x00020001
util-vserver: 0.30.209; Jan 8 2006, 12:24:41
Features:
CC: gcc, gcc (GCC) 4.0.3 20051201 (prerelease) (Debian
4.0.2-5)
CXX: g++, g++ (GCC) 4.0.3 20051201 (prerelease) (Debian
4.0.2-5)
CPPFLAGS: ''
CFLAGS: '-Wall -g -O2 -std=c99 -Wall -pedantic -W
-funit-at-a-time'
CXXFLAGS: '-g -O2 -ansi -Wall -pedantic -W -fmessage-length=0
-funit-at-a-time'
build/host: i486-pc-linux-gnu/i486-pc-linux-gnu
Use dietlibc: yes
Build C++ programs: yes
Build C99 programs: yes
Available APIs: compat,v11,v13,fscompat,net,oldproc,olduts
ext2fs Source: e2fsprogs
syscall(2) invocation: alternative
vserver(2) syscall#: 273/glibc
Andreas
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