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dual-monitor bugs during resolution setting
Category : Unix
My OS is Slackware 13.37 64-bit. I have two monitors. Primary one supports 1920x1200 and the secondary one 1280x1024. I use this line to enable dual monitors in "non-clone" mode:xrandr --output HDMI1 --primary --output VGA1 --left-of HDMI1After I do this, the secondary monitor stops cloning the primary one and acquires its own virtual desktop. However, the primary gets the resolution 1280x1024. A

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How to execute consecutive command from history?
Category : Unix
Suppose I want to execute a sequence of four commands that I have executed before. If the first one is 432 in the command-history, then I could do:$ !432; !433; !434; !435I'm curious, is there a more efficient way to accomplish this?

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How to build svnwcrev
Category : Unix
I'm having a bad time building svnwcrew, and as the readme file says: "There is no sophisticated installation procedure for this small utility."...I modified the config.mk file setting the APR_INCLUDE as the readme says, and when I run make: http://pastebin.com/NE1nevekany suggestion to build this tool?Thanks!

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TAGS : build svnwcrev

Linux Mint - Cairo Dock freezes when removing an item
Category : Unix
I have installed Cairo Dock on Linux Mint which works great except when I go to remove an item from the dock it freezes.This is because I haven't confirmed the removal of the button from the dialog box. as per this page - http://glx-dock.org/bg_topic.php?t=6145The problem is 90% of the time I have absolutely no idea where this dialog box is. Sometimes (rarely) it will show on top of all my open ap

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How does a Linux terminal work?
Category : Unix
If you fire up a terminal and call an executable (assuming one thats line oriented for simplicity) you get a reply to the command from the executable. How does this get printed to you (the user) does the terminal do something like pexpect? (poll waiting for output ) or what? How does it get notified of output to be printed out? And how does a terminal start a program? (is it something akin to pyt

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Fatal: Module ndiswrapper not found
Category : Unix
Getting the following error message: Fatal: Module ndiswrapper not foundProblem is I did install the ndiswrapper module. I even uninstalled and re-installed it. Still nothing. Any reason? On Linux Mint 14My network controller is a Realtek Semiconductor Co., Ltd. RTL8188CE and something about (rev 01)It is using module rtl8192ce. Not sure if it should be using _common or not.

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what is stored in /dev/pts files and Can we open those?
Category : Unix
I am curious to know that what is stored in /dev/pts/ files .Can we open those files ?According to my knowledge /dev/pts files are created for ssh or telnet session .

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Debian: Unable to activate wifi on HP Pavilion Dm1-4055sg (with Broadcom BCM4313)
Category : Unix
I just installed debian wheezy stable. I am now facing the problem, that I am not able to activate the wifi. I use a HP-Pavilion DM1 notebook with a button (F12 and wlan button) to activate the wifi. However pressing it does not cause any reaction.Furthermore ifconfig -a does not list wlan0.The computer is equipped with a broadcom BCM4313 Wireless Lan controller, so I installed the firmware-brcm80

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How to get colours on man pages with w3m as a PAGER?
Category : Unix
Is it possible, and if so how, to have colour/bold/italic characters in man pages while using w3m?Another pager (most) does have some limited colour support but is not as versatile as w3m. I know that less does have colour support as shown here.

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Process substitution over ssh with sudo in Bash shell
Category : Unix
What is the proper way to do something like this:diff <( ssh -t myuser@hosta 'sudo httpd -M') <(httpd -M)When I want to compare the output of the 2 commands, the first on a remote host the second local?Is this the proper method?

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How to get all ldap groups for a user
Category : Unix
I have no direct access to LDAP, but I am a user in LDAP and can make queries using ldapsearch. How can I query LDAP to get all LDAP groups for a particular user? Also is there an easy way to get LDAP group names from the gid attribute? I am a beginner when it comes to ldapsearch so go easy please!

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TAGS : ldap groups user

GCC error trying to exec 'cc1'
Category : Unix
I was cross compiling a Linux kernel for my Raspberry Pi on a laptop (running debian 7) (followed the instructions here) but when I start compiling (make ARCH=arm CROSS_COMPILE=${CCPREFIX}) I get the following messages: CHK include/linux/version.h CHK include/generated/utsrelease.hmake[1]: `include/generated/mach-types.h' is up to date. CC kernel/bounds.sgcc: error trying to exec '

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TAGS : error trying exec

Where to get UUID libraries and code
Category : Unix
What is the difference between the libuuid that comes with the util-linux-ng package and the one that comes with e2fsprogs?Also, if I want to compile libuuid from source, where should I get said source?https://www.kernel.org/pub/linux/utils/util-linux/https://www.kernel.org/pub/linux/kernel/people/tytso/e2fsprogs/v1.42.8/Those are my best guesses, are they trustworthy and correct?

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about sysrq REISUB , how long should I wait in between operations
Category : Unix
I read it from here"The most useful combination is the + + R-E-I-S-U-BThe above basically means while you Press and Hold + Press R, E, I, S, U, B giving sufficient time between each of these key to ensure they perform the required job."My question is:How long should I wait to ensure "sufficient time" between each of these key?

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ls recursive on home dir only with no flags specfied other than color
Category : Unix
Like the topic says whenever I am in my home directory and run ls it shows me every file in every folder recursively, I cannot find any documentation of why this would happen, I have been looking on google everywhere to no avail. I'm not sure exactly when it started doing this so I'm not sure what the culprit is.It also does this as root also, but it doesn't do this in any directory but the home d

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C Preprocessor (cpp) and cc1 issue
Category : Unix
I've been trying to fix a problem related with cross (kernel) compilation which as given the following message: gcc: error trying to exec 'cc1': execvp: No such file or directoryI found that this was an issue as discussed here.Also, when defining GCC_EXEC_PREFIX variable with /usr/lib/gcc/i486-linux-gnu/4.7/ I noticed that whereis cc1 only shows cc1:. Could this be the problem since cc1 has not a

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Specify word length in agrep?
Category : Unix
I am using agrep to find similar spelling words, For example, agrep -1 hack /usr/share/dict/wordsBut it returns too many words, so I also hope the length of the word is same as the keyword. How can I specify that? Thanks!

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Where does the drawing tablet pressure value get mapped to?
Category : Unix
I want to write a simple C++ program which retrieves the current pressure and prints it to the terminal. Where is pen stylus pressure temporarily saved in memory? Can I request a pointer to it / can I retrieve it via a system utility library function? I can write all the other code.I have a Genius Mouse&Pen drawing tablet that seems to use udev somehow (from what I've gather from conversation)

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Can I make a USB port on my Linux computer look like a mass storage device?
Category : Unix
I'm running Kubuntu 12.04 on my PC. I want to make one USB port on my computer appear as if it is a USB mass storage device to other devices. In other words, something connected to this USB port will think my whole PC is just an external HDD or a media player or some other USB mass storage device. Is this possible? If so, how would I do it?

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