Re: Using the numpad in nested screens

[Chris Lieb]

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Micah Cowan wrote:
> Chris Lieb wrote:
>> I am a new screen user and have run into a problem.
> 
>> When I ssh into a server, screen automatically starts, just as I want.
>> The number pad works without issue.  I then ssh into another server,
>> where screen also automatically starts up.  When I use the number pad,
>> it no longer works until I exit out of that nested screen session.
> 
> Please describe exactly what you mean by "it no longer works". Does it
> do nothing at all? Does it spew funny characters? Do 7 and 1 go to the
> beginning and end of a line, respectively, and the point (.) delete
> characters in front of the cursor?

I mean that, regardless of that key is pressed, no output is displayed.

>> If I
>> create a new screen, the number pad works there, but not in the screen
>> where I'm ssh'd into another host.
> 
> What do you mean by, "If I create a new screen"? Do you mean, if you
> quit the first and create a new one, or do you mean starting a nested
> one, but not in (the second) ssh, via something like "screen -m"?

I have the following in my .bash_profile on both computers:

> if [ "$STY" = "" ]; then
>       export PROMPT_COMMAND='echo -n -e "\033k\033\\"'
>       exec /usr/bin/screen -RR
> fi

That code is executed whenever I ssh into one of the computers.

> What terminal are you using? 

I am using PuTTY

> What does the "infocmp" command give
> outside of screen (but inside the first ssh: suspend it with C-a z or
> something if that can get you to a shell within the ssh); what does
> "infocmp" give inside of screen, and what does "infocmp" give inside of
> screen on the remote host?

infocmp in normal shell (PuTTY -> ssh host1):

> #       Reconstructed via infocmp from file: /etc/terminfo/x/xterm
> xterm|xterm terminal emulator (X Window System),
>         am, bce, km, mc5i, mir, msgr, npc, xenl,
>         colors#8, cols#80, it#8, lines#24, pairs#64,
>         acsc=``aaffggiijjkkllmmnnooppqqrrssttuuvvwwxxyyzz{{||}}~~,
>         bel=^G, blink=\E[5m, bold=\E[1m, cbt=\E[Z, civis=\E[?25l,
>         clear=\E[H\E[2J, cnorm=\E[?12l\E[?25h, cr=^M,
>         csr=\E[%i%p1%d;%p2%dr, cub=\E[%p1%dD, cub1=^H,
>         cud=\E[%p1%dB, cud1=^J, cuf=\E[%p1%dC, cuf1=\E[C,
>         cup=\E[%i%p1%d;%p2%dH, cuu=\E[%p1%dA, cuu1=\E[A,
>         cvvis=\E[?12;25h, dch=\E[%p1%dP, dch1=\E[P, dl=\E[%p1%dM,
>         dl1=\E[M, ech=\E[%p1%dX, ed=\E[J, el=\E[K, el1=\E[1K,
>         flash=\E[?5h$<100/>\E[?5l, home=\E[H, hpa=\E[%i%p1%dG,
>         ht=^I, hts=\EH, ich=\E[%p1%d@, il=\E[%p1%dL, il1=\E[L,
>         ind=^J, indn=\E[%p1%dS, invis=\E[8m,
>         is2=\E[!p\E[?3;4l\E[4l\E>, kDC=\E[3;2~, kEND=\E[1;2F,
>         kHOM=\E[1;2H, kIC=\E[2;2~, kLFT=\E[1;2D, kNXT=\E[6;2~,
>         kPRV=\E[5;2~, kRIT=\E[1;2C, kb2=\EOE, kbs=^H, kcbt=\E[Z,
>         kcub1=\EOD, kcud1=\EOB, kcuf1=\EOC, kcuu1=\EOA,
>         kdch1=\E[3~, kend=\EOF, kent=\EOM, kf1=\EOP, kf10=\E[21~,
>         kf11=\E[23~, kf12=\E[24~, kf13=\E[2P, kf14=\E[2Q,
>         kf15=\E[2R, kf16=\E[2S, kf17=\E[15;2~, kf18=\E[17;2~,
>         kf19=\E[18;2~, kf2=\EOQ, kf20=\E[19;2~, kf21=\E[20;2~,
>         kf22=\E[21;2~, kf23=\E[23;2~, kf24=\E[24;2~, kf25=\E[5P,
>         kf26=\E[5Q, kf27=\E[5R, kf28=\E[5S, kf29=\E[15;5~,
>         kf3=\EOR, kf30=\E[17;5~, kf31=\E[18;5~, kf32=\E[19;5~,
>         kf33=\E[20;5~, kf34=\E[21;5~, kf35=\E[23;5~,
>         kf36=\E[24;5~, kf37=\E[6P, kf38=\E[6Q, kf39=\E[6R,
>         kf4=\EOS, kf40=\E[6S, kf41=\E[15;6~, kf42=\E[17;6~,
>         kf43=\E[18;6~, kf44=\E[19;6~, kf45=\E[20;6~,
>         kf46=\E[21;6~, kf47=\E[23;6~, kf48=\E[24;6~, kf49=\E[3P,
>         kf5=\E[15~, kf50=\E[3Q, kf51=\E[3R, kf52=\E[3S,
>         kf53=\E[15;3~, kf54=\E[17;3~, kf55=\E[18;3~,
>         kf56=\E[19;3~, kf57=\E[20;3~, kf58=\E[21;3~,
>         kf59=\E[23;3~, kf6=\E[17~, kf60=\E[24;3~, kf61=\E[4P,
>         kf62=\E[4Q, kf63=\E[4R, kf7=\E[18~, kf8=\E[19~, kf9=\E[20~,
>         khome=\EOH, kich1=\E[2~, kind=\E[1;2B, kmous=\E[M,
>         knp=\E[6~, kpp=\E[5~, kri=\E[1;2A, mc0=\E[i, mc4=\E[4i,
>         mc5=\E[5i, meml=\El, memu=\Em, op=\E[39;49m, rc=\E8,
>         rev=\E[7m, ri=\EM, rin=\E[%p1%dT, rmacs=\E(B, rmam=\E[?7l,
>         rmcup=\E[?1049l, rmir=\E[4l, rmkx=\E[?1l\E>,
>         rmm=\E[?1034l, rmso=\E[27m, rmul=\E[24m, rs1=\Ec,
>         rs2=\E[!p\E[?3;4l\E[4l\E>, sc=\E7, setab=\E[4%p1%dm,
>         setaf=\E[3%p1%dm,
>         
> setb=\E[4%?%p1%{1}%=%t4%e%p1%{3}%=%t6%e%p1%{4}%=%t1%e%p1%{6}%=%t3%e%p1%d%;m,
>         
> setf=\E[3%?%p1%{1}%=%t4%e%p1%{3}%=%t6%e%p1%{4}%=%t1%e%p1%{6}%=%t3%e%p1%d%;m,
>         
> sgr=%?%p9%t\E(0%e\E(B%;\E[0%?%p6%t;1%;%?%p2%t;4%;%?%p1%p3%|%t;7%;%?%p4%t;5%;%?%p7%t;8%;m,
>         sgr0=\E(B\E[m, smacs=\E(0, smam=\E[?7h, smcup=\E[?1049h,
>         smir=\E[4h, smkx=\E[?1h\E=, smm=\E[?1034h, smso=\E[7m,
>         smul=\E[4m, tbc=\E[3g, u6=\E[%i%d;%dR, u7=\E[6n,
>         u8=\E[?1;2c, u9=\E[c, vpa=\E[%i%p1%dd,

infocmp from screen (PuTTY -> ssh host1 -> screen:

> #       Reconstructed via infocmp from file: /etc/terminfo/s/screen
> screen|VT 100/ANSI X3.64 virtual terminal,
>         am, km, mir, msgr, xenl,
>         colors#8, cols#80, it#8, lines#24, ncv#3, pairs#64,
>         
> acsc=++\,\,--..00``aaffgghhiijjkkllmmnnooppqqrrssttuuvvwwxxyyzz{{||}}~~,
>         bel=^G, blink=\E[5m, bold=\E[1m, cbt=\E[Z, civis=\E[?25l,
>         clear=\E[H\E[J, cnorm=\E[34h\E[?25h, cr=^M,
>         csr=\E[%i%p1%d;%p2%dr, cub=\E[%p1%dD, cub1=^H,
>         cud=\E[%p1%dB, cud1=^J, cuf=\E[%p1%dC, cuf1=\E[C,
>         cup=\E[%i%p1%d;%p2%dH, cuu=\E[%p1%dA, cuu1=\EM,
>         cvvis=\E[34l, dch=\E[%p1%dP, dch1=\E[P, dl=\E[%p1%dM,
>         dl1=\E[M, ed=\E[J, el=\E[K, el1=\E[1K, enacs=\E(B\E)0,
>         flash=\Eg, home=\E[H, ht=^I, hts=\EH, ich=\E[%p1%d@,
>         il=\E[%p1%dL, il1=\E[L, ind=^J, is2=\E)0, kbs=^H, kcbt=\E[Z,
>         kcub1=\EOD, kcud1=\EOB, kcuf1=\EOC, kcuu1=\EOA,
>         kdch1=\E[3~, kend=\E[4~, kf1=\EOP, kf10=\E[21~,
>         kf11=\E[23~, kf12=\E[24~, kf2=\EOQ, kf3=\EOR, kf4=\EOS,
>         kf5=\E[15~, kf6=\E[17~, kf7=\E[18~, kf8=\E[19~, kf9=\E[20~,
>         khome=\E[1~, kich1=\E[2~, kmous=\E[M, knp=\E[6~, kpp=\E[5~,
>         nel=\EE, op=\E[39;49m, rc=\E8, rev=\E[7m, ri=\EM, rmacs=^O,
>         rmcup=\E[?1049l, rmir=\E[4l, rmkx=\E[?1l\E>, rmso=\E[23m,
>         rmul=\E[24m, rs2=\Ec\E[?1000l\E[?25h, sc=\E7,
>         setab=\E[4%p1%dm, setaf=\E[3%p1%dm,
>         
> sgr=\E[0%?%p6%t;1%;%?%p1%t;3%;%?%p2%t;4%;%?%p3%t;7%;%?%p4%t;5%;m%?%p9%t\016%e\017%;,
>         sgr0=\E[m\017, smacs=^N, smcup=\E[?1049h, smir=\E[4h,
>         smkx=\E[?1h\E=, smso=\E[3m, smul=\E[4m, tbc=\E[3g,

imfocmp from screen through ssh inside screen (PuTTY -> ssh host1 ->
screen -> ssh host2 -> screen):

> #       Reconstructed via infocmp from file: /etc/terminfo/s/screen
> screen|VT 100/ANSI X3.64 virtual terminal,
>         am, km, mir, msgr, xenl,
>         colors#8, cols#80, it#8, lines#24, ncv#3, pairs#64,
>         
> acsc=++\,\,--..00``aaffgghhiijjkkllmmnnooppqqrrssttuuvvwwxxyyzz{{||}}~~,
>         bel=^G, blink=\E[5m, bold=\E[1m, cbt=\E[Z, civis=\E[?25l,
>         clear=\E[H\E[J, cnorm=\E[34h\E[?25h, cr=^M,
>         csr=\E[%i%p1%d;%p2%dr, cub=\E[%p1%dD, cub1=^H,
>         cud=\E[%p1%dB, cud1=^J, cuf=\E[%p1%dC, cuf1=\E[C,
>         cup=\E[%i%p1%d;%p2%dH, cuu=\E[%p1%dA, cuu1=\EM,
>         cvvis=\E[34l, dch=\E[%p1%dP, dch1=\E[P, dl=\E[%p1%dM,
>         dl1=\E[M, ed=\E[J, el=\E[K, el1=\E[1K, enacs=\E(B\E)0,
>         flash=\Eg, home=\E[H, ht=^I, hts=\EH, ich=\E[%p1%d@,
>         il=\E[%p1%dL, il1=\E[L, ind=^J, is2=\E)0, kbs=^H, kcbt=\E[Z,
>         kcub1=\EOD, kcud1=\EOB, kcuf1=\EOC, kcuu1=\EOA,
>         kdch1=\E[3~, kend=\E[4~, kf1=\EOP, kf10=\E[21~,
>         kf11=\E[23~, kf12=\E[24~, kf2=\EOQ, kf3=\EOR, kf4=\EOS,
>         kf5=\E[15~, kf6=\E[17~, kf7=\E[18~, kf8=\E[19~, kf9=\E[20~,
>         khome=\E[1~, kich1=\E[2~, kmous=\E[M, knp=\E[6~, kpp=\E[5~,
>         nel=\EE, op=\E[39;49m, rc=\E8, rev=\E[7m, ri=\EM, rmacs=^O,
>         rmcup=\E[?1049l, rmir=\E[4l, rmkx=\E[?1l\E>, rmso=\E[23m,
>         rmul=\E[24m, rs2=\Ec\E[?1000l\E[?25h, sc=\E7,
>         setab=\E[4%p1%dm, setaf=\E[3%p1%dm,
>         
> sgr=\E[0%?%p6%t;1%;%?%p1%t;3%;%?%p2%t;4%;%?%p3%t;7%;%?%p4%t;5%;m%?%p9%t\016%e\017%;,
>         sgr0=\E[m\017, smacs=^N, smcup=\E[?1049h, smir=\E[4h,
>         smkx=\E[?1h\E=, smso=\E[3m, smul=\E[4m, tbc=\E[3g,
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