Gnu screen start at boot
hello.
ive been googleing around and havent found an answer to this..
what is the recommended way to start screen at boot?
i want it to run as regular user and detached so i can just do a screen -r when im ready to use the applications defined in .screenrc (rtorrent, newsbeuter, mutt, etc).
If you use a window manager / desktop environment, they usually have ways to launch programs at startup
Last edited by xenofungus (2010-03-19 08:49:19)
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vbell off
#Backticks to display information in status bar
backtick 1 60 60 $HOME/bin/get_uptime
backtick 2 60 60 $HOME/bin/get_freemem
backtick 3 60 60 $HOME/bin/get_freeswap
backtick 4 60 60 $HOME/bin/get_gmail
backtick 5 60 60 $HOME/bin/get_sessionname
defscrollback 5000
screen -t root 0 sudo -s
screen -t shell 1 bash
screen -t shell 2 bash
screen -t shell 3 bash
screen -t shell 4 bash
screen -t shell 5 bash
screen -t shell 6 bash
screen -t shell 7 bash
screen -M -t irc 8 irssi
screen -t home 9 ssh home
select 1
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#!/bin/bash
INDEXFILE="$HOME/bin/themes/theme_index"
# if this is the first time then set
# the index to 0
if [[ ! -e $INDEXFILE ]]
then
echo 0 > $INDEXFILE
fi
THEMENO=`cat $INDEXFILE`
THEMEMAX=5
if [[ $THEMENO -eq $THEMEMAX ]]
then
THEMENO=0
else
THEMENO=`expr $THEMENO + 1`
fi
echo $THEMENO > $INDEXFILE
THEMEFILE=$HOME/bin/themes/theme${THEMENO}
if [[ -e $THEMEFILE ]]
then
bash $THEMEFILE $STY
else
# reset the index back to zero if broken
echo 0 > $INDEXFILE
fi
then I created a directory ~/bin/themes. Within that directory I have the following files:
$ ls themes/
theme0 theme1 theme2 theme3 theme4 theme5 theme_index
Each theme file is another color theme, the index just holds a count of the number of themes.
An example of theme0 ( remember when doing yours to escape your backticks, otherwise it'll break).
#!/bin/bash
# yellow
SESSION=$1
screen -S $SESSION -X caption always "%{= KW}%-w%{= yk}%n %t%{-}%+w %-="
screen -S $SESSION -X hardstatus alwayslastline "%{= kW} %-= %{= ky}Session: %u%{= kW}%5\` | %{= ky}Host:%{= kW} %H | %{= ky} MEM:%{= kW} %2\`MB |%{= ky} SW: %{= kW}%3\`MB | %{= ky}Unread: %{= kW}%4\` | %m/%d %c"
Here's how my screen started:
http://tuxtraining.com/images/screen1.png
After C-g
http://tuxtraining.com/images/screen2.png
After C-g again
http://tuxtraining.com/images/screen3.png
and so on.
Last edited by scv5 (2009-10-12 16:38:51)thayer wrote:
steve___ wrote:
Lich wrote:... useless for most of us as we only use one screen session normally.
How do you know this?
Just a guess, but doesn't that sort of defeat the purpose of a multiplexer? I mean it's like running 20 instances of firefox instead of using a single firefox window with 20 tabs. I'm sure some folks prefer the former, but I think it's safe to say the majority use the latter method.
Sort of, I find screen becomes difficult to manage once we're talking more than the original 0-9 windows and you have to C-a-##, there's also the issue of screenspace. With firefox i can list my tabs vertically giving me a lot more room to manage my tabs, screen doesn't have that option, so they go horizontally. If i name all my tabs after the IP or name of the machine theiy are logged into, approach 15-20 windows really creaps on the screenspace.
So typically what i do is have four shells open (grouped together or done in something like terminotor, or tabbed in flux or pekwm) each with 0-9 shells a piece, each session organized into type of servers. So the upper left may be the email systems i support, the uppser right screen session may hold all the shell of our public facing web environment, bottom left is my local box, bottom right being misc boxes (dns servers, nis/ldap servers, various developement boxes..) you get the hint.
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Maybe not.Yeah, I know a couple of ways of getting it to do that, unfortunately, I've done none. Usually, I just switch back to a screen and see garbage. Moments later, all of my screens have garbage. Usually quitting the program and then quitting terminal gets rid of it, I'm just wondering if anyone knows what causes it and how to prevent it.
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the problem I'm having is that I can't seem to get the mouse scrollwheel to scroll upwards in GNU Screen running in a Terminator emulator once the terminal is filled.
I have searched a bit and found that I should put something like this in my ~/.screenrc
terminfo xterm* ti@:te@
I have changed the xterm* to terminator* to match my emulator, my full .screenrc is as follows
bind c screen 1
bind ^c screen 1
bind 0 select 10
screen 1
term screen-256color
hardstatus alwayslastline '%{= g}[ %{G}%H %{g}][%= %{= w}%?%-Lw%?%{= R}%n*%f %t%?%{= R}(%u)%?%{= w}%+Lw%?%= %{= g}][%{B}%Y-%m-%d%{g}]'
startup_message off
terminfo terminator* ti@:te@
vbell off
altscreen on
defscrollback 5000
When I first open screen I can scroll up and down using the mouse wheel, but once the terminal gets filled all the way, the mouse wheel starts to show the command history instead of scrolling, which is a pretty odd behavior in my point of view.
Anyone knows why is that happening?geekinthesticks wrote:I think I am missing something obvious and simple, but can't see what it is!
They're called code tags
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So, does anyone else have problems with Gnu Screen and OSX 10.5? If I use the box-shipped version, my PATH is completely ignored, and it doesn't understand deflogin or login in my .screenrc file.
If I use the macports version, I get UTMP problems and unless I manually create /var/run/utmp, eventually /etc/sudoers and passwd gets updated, and UID 501 is no longer in the passwd file!That's actually not screen's fault.
When bash starts, it will read either .profile_bash or .bashrc but not both, depending whether it is a shell process or subprocess.
On X-window based systems, one of these (I can never remember which) gets read when the root window starts, and then the other gets read when every sub-process starts. On OS X this approach breaks down.
There is a slightly different bug I have been seeing, and I think it is due to multi-threading. Basically the screen session starts before the $PATH gets entries like /sw/bin or /opt/local/bin set. I never figured out how, but my hackish workaround is simply to start screen and then invoke the process I want, rather than to do it all in one command. (This gets annoying if you are writing shell scripts that invoke screen). -
GNU screen, spawn windows and issue specific command to each
Hello folks.
I want gnu screen to spawn some windows, let's say, so I've put these lines in .screenrc:
screen -t foo
screen -t bar
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screen -X at foo screen -X stuff 'cd /tmp^M'
screen -X at bar screen -X stuff 'cd ~/projects^M'
and some other variations. At best, it gives the error message: "key: screen: invalid option -X .", at worst it doesn't start at all.
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screen -t foo
at foo stuff 'cd /tmp^M'
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MBP 2011 Grey Screen. Normal Boot, Recovery Partition AND Network Recovery
Hey Fellow Apple Lovers!
My Macbook Pro 2011 recently froze and afterwards I haven't been able to log into the system. On start-up I encounter a gray screen. I'm sure this problem is very common on in the Community.
I have tried the following:
SCM reset
NVRAM reset
Safeboot (ends with blue screen)
Tried to boot into the recovery partition (Gray Screen)
Network recovery. The application downloads the data after connecting to my network and then continiues to start up.. Gray Screen
Now I realize that at this point, we're probably talking about a problem with the HDD. However, I am slightly perplexed by the fact that even Network Recovery acts the same. Any specialists who might have some deeper knowledge about the inner workings of the MBP?
Best regards
Kristian Holm SejersenKristian,
The blue screen is what I would be most concerned with. It could mean, if you've a 15" or 17" 2011 model, that you've the faulty installed AMD Radeon GPU, as discussed here -> https://discussions.apple.com/thread/4766577?tstart=0.
Unfortunately, if you DO have this problem, it won't show up in either the Apple Hardware Test, which you can run, or in the normal tests performed by Apple techs.
If you've a 13" model, this problem would not apply.
The only thing that I can suggest is to take the machine to your local Apple Store or an AASP and see if your machine can be evaluated properly. If you do have a 15" or 17" and if you do have the problem of the faulty soldering, Apple will suggest a logic board replacement. That is only a temporary fix: a 'real' fix is having the GPU reballed and it's much, much cheaper than a logic board replacement.
Give a ring back - if you've a 13" machine, I'm not certain what the problem might be.
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