Yes, websocket required, try these to install missing packages sudo apt-get install libqt5webkit5 sudo apt-get install libqt5websockets5 sudo apt-get install libqt5multimediawidgets5
On Mon, Jul 1, 2019, 12:56 AM J. Patrick Harrington <[email protected]> wrote: > Bill, > > I've just removed the j64-807 directory and re-installed it. As you can > see, the installer seems to have used the 'slim' binaries: > Updating server catalog... > Installing 1 package > Downloading base library... > Installing base library... > Done. > Installing JQt slim binaries... > Finished install of JQt slim binaries. > Exit and restart J using jqt.sh > > One problem: there are no jconsole.sh or jqt.sh files in > j807_linux64_nonavx.tar package. I started jconsole by directly > using ./jconsole in the j64-807/bin directory. (It also starts > fine with the grey icon.) However, the jq807 icon has no effect > and when I try ./jqt directly, I get exaclty the message as before: > > "/home/jph/j64-807/bin/libjqt" > "could not resolve: state_run:\n\nCannot load library > /home/jph/j64-807/bin/libjqt: (libQt5WebSockets.so.5: cannot open shared > object file: No such file or directory)" > > So it is still looking for WebSockets. ?? > > I'll continue to mess with it, as time permits. > > Thanks, Patrick > > On Sun, 30 Jun 2019, bill lam wrote: > > Oh, you missed webkit (libQt5WebKitWidgets.so.5), so the instruction > > in jwiki should apply. > > > > linux jqt uses webengine in j901. > > > > Sun, 30 Jun 2019, bill lam написал(а): > >> That show progress already, it missed the webengine package. You can > try in > >> jconsole and type > >> install 'slim' > >> > >> this doesn't require webengine, you can check jwiki to install other > >> missing packages. > >> > >> https://code.jsoftware.com/wiki/Guides/Qt_IDE/Install > >> > >> webkit mentioned there is not webengine. > >> > >> On Sun, Jun 30, 2019, 10:48 PM J. Patrick Harrington <[email protected] > > > >> wrote: > >> > >> > Bill, > >> > The reason the Chromebook is so cheap is because it has quite > >> > minimal memory and cpu performance. The idea is that it's just to > >> > support the Chrome browser and everything should be done/stored in the > >> > cloud. The cup doesn't have avx. There are of course Chromebooks which > >> > have much better specs, but are more expensive. Here is cat > /proc/cpuinfo: > >> > (xenial)jph@localhost:~$ cat /proc/cpuinfo > >> > processor : 0 > >> > vendor_id : GenuineIntel > >> > cpu family : 6 > >> > model : 76 > >> > model name : Intel(R) Celeron(R) CPU N3060 @ 1.60GHz > >> > stepping : 4 > >> > microcode : 0x40e > >> > cpu MHz : 2582.300 > >> > cache size : 1024 KB > >> > physical id : 0 > >> > siblings : 2 > >> > core id : 0 > >> > cpu cores : 2 > >> > apicid : 0 > >> > initial apicid : 0 > >> > fpu : yes > >> > fpu_exception : yes > >> > cpuid level : 11 > >> > wp : yes > >> > flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr > pge mca > >> > cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe > syscall nx > >> > rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology > >> > nonstop_tsc aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx est tm2 > >> > ssse3 cx16 xtpr pdcm sse4_1 sse4_2 movbe popcnt tsc_deadline_timer aes > >> > rdrand lahf_lm 3dnowprefetch ida arat epb dtherm retpoline kaiser > >> > tpr_shadow vnmi flexpriority ept vpid tsc_adjust smep erms > >> > bugs : cpu_meltdown spectre_v1 spectre_v2 > >> > bogomips : 3200.00 > >> > clflush size : 64 > >> > cache_alignment : 64 > >> > address sizes : 36 bits physical, 48 bits virtual > >> > > >> > I did install qt5-default as you suggested, but now jqt hangs at > >> > "could not resolve: state_run:\n\nCannot load library > >> > /home/jph/j64-807/bin/libjqt: (libQt5WebKitWidgets.so.5: cannot open > >> > shared object file: No such file or directory)" > >> > > >> > Bill, > >> > Yes, putting it into developer mode is supposed to undermine > the > >> > security features of Chromebooks. But my idea is to never put > information > >> > on this little gadget that I would care about protecting. As I said, > this > >> > is just to have a machine to take on a trip to Europe. > >> > > >> > Best Regards, Patrick > >> > > >> > On Sun, 30 Jun 2019, bill lam wrote: > >> > > Patrick, > >> > > > >> > > I'm not familiar with chromebook. What is the CPU in your CB? Is > >> > > it 64-bit x86_64? Or does it have avx? > >> > > Perhaps you can get from output of > >> > > $ cat /proc/cpuinfo > >> > > > >> > > For Qt, apparently Qt lib has not installed. You may try > >> > > $ sudo apt install qt5-default > >> > > > >> > > Sun, 30 Jun 2019, J. Patrick Harrington написал(а): > >> > >> I'm taking a trip out of the US and don't want to take my good > computer > >> > >> along, but I'd like something for email & looking at photos I take. > >> > >> I found that Chromebooks are really cheap: I picked up a Dell 11.6" > >> > >> Chromebook at Best Buy for $129.00. The neat thing is that you can > load > >> > >> Ubuntu linux by using a special key combination to put it into > >> > "developer > >> > >> mode"; then you can switch back and forth with the Chrome OS with > just > >> > one > >> > >> keystroke. You have to do a bit of work, like replacing the horrid > >> > "Netsurf" > >> > >> browser with Firefox, installing openssh, installing gimp to > process > >> > your > >> > >> pictures, etc. > >> > >> But ... of course I had to install J. j64-807 does install, but > still > >> > has > >> > >> problems. Jconsole works fine for numerical stuff, but plot fails > with > >> > sh: > >> > >> 1: : Permission denied. Viewmat almost works. But jhs does work, > >> > >> so I can get plots there. Unfortunately, jqt will need some work: > it > >> > fails > >> > >> with libQt5Core.so.5: No such file or directory. Still, these > problems > >> > may > >> > >> have a solution, and if so, this is a really inexpensive way to > run J. > >> > I've > >> > >> not seen Chromebooks mentioned here -- anyone else used one? > >> > >> > >> > >> Regards, Patrick > >> > >> > >> > >> > >> > >> > ---------------------------------------------------------------------- > >> > >> For information about J forums see > http://www.jsoftware.com/forums.htm > >> > > > >> > > -- > >> > > regards, > >> > > ==================================================== > >> > > GPG key 1024D/4434BAB3 2008-08-24 > >> > > gpg --keyserver subkeys.pgp.net --armor --export 4434BAB3 > >> > > > ---------------------------------------------------------------------- > >> > > For information about J forums see > http://www.jsoftware.com/forums.htm > >> > ---------------------------------------------------------------------- > >> > For information about J forums see > http://www.jsoftware.com/forums.htm > >> > > > > > -- > > regards, > > ==================================================== > > GPG key 1024D/4434BAB3 2008-08-24 > > gpg --keyserver subkeys.pgp.net --armor --export 4434BAB3 > > ---------------------------------------------------------------------- > > For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
