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Re: [Jailkit-users] nano -> Error opening terminal: unknown.


From: Christian Schulz
Subject: Re: [Jailkit-users] nano -> Error opening terminal: unknown.
Date: Wed, 19 Feb 2014 18:20:32 +0100
User-agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:24.0) Gecko/20100101 Thunderbird/24.3.0

It is related to http://savannah.nongnu.org/bugs/?36906#comment3.

Adding the values to jk_chrootsh.ini was the solution:
[DEFAULT] 
env= TERM, PATH

Best Regards


Am 19.02.2014 18:17, schrieb Christian Schulz:
Hello,

I have done some research looking into the process via strace and here is the output of
the important part:

[pid   927] access("/usr/share/terminfo/u/unknown", R_OK) = 0
[pid   927] open("/usr/share/terminfo/u/unknown", O_RDONLY) = 3
[pid   927] fstat(3, {st_mode=S_IFREG|0644, st_size=320, ...}) = 0
[pid   927] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc63ae7a000
[pid   927] read(3, "\32\1\36\0\7\0\1\0\202\0\10\0unknown|unknown term"..., 4096) = 320
[pid   927] read(3, "", 4096)           = 0
[pid   927] close(3)                    = 0
[pid   927] munmap(0x7fc63ae7a000, 4096) = 0
[pid   927] ioctl(1, SNDCTL_TMR_TIMEBASE or TCGETS, {B38400 opost isig icanon echo ...}) = 0
[pid   927] ioctl(1, SNDCTL_TMR_TIMEBASE or TCGETS, {B38400 opost isig icanon echo ...}) = 0
[pid   927] ioctl(1, TIOCGWINSZ, {ws_row=24, ws_col=80, ws_xpixel=0, ws_ypixel=0}) = 0
[pid   927] write(2, "Error opening terminal: unknown."..., 33) = 33
[pid   927] exit_group(1)               = ?

You can see it finds the file and opens it. But something is happening and it breaks.

Best Regards,

Christian Schulz


Am 19.02.2014 18:03, schrieb Christian Schulz:
Hello,

I have created a jail with jk_init -v -j ... basicshell and after it I added the editors
with jk_init -v -j ... editors.

When trying to use nano I get the error "Error opening terminal: unknown.".
vi is working.

What is wrong?
Do I need to init a jail directly with all sections I need or is it possible to add other
functions as needed?

Best Regards,

Christian Schulz

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