similar to: CentOS 8 and xhost

Hello list, In the past we have instructed users to perform 'xhost +' from their centos desktop, then set the DISPLAY variable on a remote computer to forward their display back to the desktop. This does not seem to work on centos 6 - but it did work in centos 5. It works from a vnc session on the desktop machine, but does not work from the local desktop. We would typically use a display

When I put export DISPLAY="IP address:0.0" ip address being my windows8 desktop then xhost + I get xhost: unable to open display "IP:0.0" when I try export DISPLAY=":0.0" I get the same thing. I have centos6.4 running on a late model Dell Blade Windows8 Alienware laptop I checked the xwin firewall setting and it is set to public network access (but strangely

>CentOS 8 runs GNOME on Wayland by default. X forwarding cannot work in >those circumstances. To change that, choose "GNOME on Xorg" after >clicking on the gear icon on the login screen. >I recommend running ssh with the -X or -Y flags when connecting to the >remote box. It's more secure than using 'xhost +'. Thanks any way to do that from command line or

I found it... https://www.tecmint.com/configure-xorg-as-default-gnome-session/

xhost is used to manage the list of host names or user names allowed to make connections to the X server. This release hardens xhost against corrupted or malicious responses from the X server, as well as some minor bug & compatibility fixes, and general janitorial maintenance. Alan Coopersmith (5): Prefer inet_aton, if available, over inet_addr Drop ancient workarounds for Cray

The xhost command modifies or reports the X server access control list. Alan Coopersmith (3): Add AC_USE_SYSTEM_EXTENSIONS to expose non-standard extensions configure: Drop AM_MAINTAINER_MODE xhost 1.0.7 Colin Walters (1): autogen.sh: Honor NOCONFIGURE=1 git tag: xhost-1.0.7 http://xorg.freedesktop.org/archive/individual/app/xhost-1.0.7.tar.bz2 MD5:

I am trying to get vncserver working on CentOS 8. Fully updated. On the console - logged in as a normal user I run: export DISPLAY=:0.0 xhost + /usr/bin/x0vncserver -display :0 -rfbport 5901 -passwordfile /home/silentm/.vnc/passwd I get this error: Invalid MIT-MAGIC-COOKIE-1 key/usr/bin/x0vncserver: unable to open display ":0" Based on the error I changed the DISPLAY=:0 and tried

Hi, Finally got this working!! I have found a potential Workaround to the following error: >/etc/X11/gdm/PreSession/Default: Registering your session with wtmp >and > utmp > /etc/X11/gdm/PreSession/Default: running: /usr/bin/X11/sessreg -a >-w /var/log/wtmp -u /var/run/utmp -x "/var/gdm/:0.Xservers" -h "" -1 >":0" >"test" >Xlib:

Dear all, What is the quickest and most efficient way to diff two data frames, so as to obtain a vector of indices (or logical) for rows/columns that differ in the two data frames? For example, > Xe <- head(mtcars) > Xf <- head(mtcars) > Xf[2:4,3:5] <- 55 > all.equal(Xe, Xf) [1] "Component 3: Mean relative difference: 0.6863118" [2] "Component 4: Mean relative

> I would appreciate any insights over compiling R 3.4 with Intel MKL -- I have been successful until R 3.3.3 but now it stops complaining about pcre though it worked without Intel MKL as follows, I successfully built R-rc_2017-04-19_r72555.tar.gz with icc & MKL on centos 7 with this: # https://software.intel.com/en-us/articles/build-r-301-with-intel-c-compiler-and-intel-mkl-on-linux#

Hi, I get this message on the latest Debian potato for i386. --> ssh -f localhost xterm sb at localhost's password: --> xterm Xt error: Can't open display: That happens also when connecting to another linux box: --> ssh -f box2 /usr/X11R6/bin/xterm --> /usr/X11R6/bin/xterm Xt error: Can't open display: The $DISPLAY is :0.0 for box1 undefined for box2 after

Hi again everyone I have an arbitrarily dimensional array "a" and a list "jj" of length length(dim(a)). The elements of jj are vectors of indexes. How do I use do.call() to extract a[ jj[[1]], jj[[2]], jj[[3]], ...] ? Toy example follows: a <- matrix(1:30,5,6) jj <- list(5:1,6:1) I want the following a[ jj[[1]],jj[[2]] ] How do I do this? OBAttempts:

Hi folks, I suspect this is a request for a sanity check than a bug report: I've been successfully compiling an optimised version of R for several years using the Intel compiler and MKL. I've just test-run the new Intel 15.0 compiler suite, and I'm seeing a few numeric failures that I don't see using the same build method with Intel 13.0. I've attached the output of

Hello, I am trying to vectorize the following loop but the vectorizer says: "Found a possible write-write reorder" and does not vectorize. Why? for (j=0; j < 8; j++) { jj = j << 3; m2[j][0] = diff[jj ] + diff[jj+4]; m2[j][1] = diff[jj+1] + diff[jj+5]; m2[j][2] = diff[jj+2] + diff[jj+6]; m2[j][3] = diff[jj+3] + diff[jj+7]; m2[j][4] = diff[jj ] -

In a context where exceptions are caught, I ran the fragment: cerr << "allocating" << endl; char* arr[100]; for (int jj = 0; jj < 10; ++jj) { cerr << "jj = " << jj << endl; arr[jj] = new char[2000000000]; sleep (30); } sleep (10); for (int jj = 0; jj < 10; ++jj) delete[] arr[jj]; cerr

Regardless of which version -- 1.1.1 or 1.2.0 (2000-11-27) -- with a fresh "directory" (i.e. no .RData), I am getting an extremely weird result. R : Copyright 2000, The R Development Core Team Version 1.2.0 Under development (unstable) (2000-11-27) > jj _ seq(0.05,0.95,by=0.002) > sum(jj==0.75) ## WRONG ANSWER [1] 0 > 0.05 + 350*.002 ## Double check that 0.75 is in jj [1]

Hi there, I am trying to understand how AliasAnalysis works out in LLVM. I used the following simple test-case (test4.c): -- void test() { int *jj, *kk; int aa = 100; jj = &aa; *jj = 300; } int main() { test(); return 0; } -- Then I did "llvm-gcc -emit-llvm -c -o test4.bc test4.c" to get bc. I tried the following 2 ways to get what I expect to get as

Hi I have a factor 'f' and a named list 'jj'. I want names(jj) to match up with levels(f). How do I use levels(f) to access elements of jj? > f <- factor(c("pigs","pigs","slugs")) > f [1] pigs pigs slugs Levels: pigs slugs > > jj <- list(pigs=1:10,slugs=1:3) My attempts to produce jj$pigs all give errors: >

Hi, I compiled R-1.1.1 in 2 machines -- one running SuSE 6.3 and the other 6.4. If I do: > plot(jj) the graphics window pops up in 6.3, but not in 6.4 Also, doing x11() is of no help, it merely replicates the behavior above. I should add that being root (xhost + and su) in 6.4 does not help. Postscript works just fine. Additional details: XFree3.3.6, KDE1.1.2 (or KDE2.0 Beta 4), updated

Hi, I compiled R-1.1.1 in 2 machines -- one running SuSE 6.3 and the other 6.4. If I do: > plot(jj) the graphics window pops up in 6.3, but not in 6.4 Also, doing x11() is of no help, it merely replicates the behavior above. I should add that being root (xhost + and su) in 6.4 does not help. Postscript works just fine. Additional details: XFree3.3.6, KDE1.1.2 (or KDE2.0 Beta 4), updated