The version of Boinc that is in the Ubuntu 22.04 repositories is 7.18.1+dfdg-4, no matter how many times I install or reinstall, I can't get it to work and it doesn't even start, so I did the following in a terminal: sudo boinc, and I get all this information, will you analyze if you can resolve the situation.

sudo boinc
06-Jul-2023 15:56:37 [---] cc_config.xml not found - using defaults
06-Jul-2023 15:56:37 [---] Starting BOINC client version 7.18.1 for x86_64-pc-linux-gnu
06-Jul-2023 15:56:37 [---] This a development version of BOINC and may not function properly
06-Jul-2023 15:56:37 [---] log flags: file_xfer, sched_ops, task
06-Jul-2023 15:56:37 [---] Libraries: libcurl/7.81.0 OpenSSL/3.0.2 zlib/1.2.11 brotli/1.0.9 zstd/1.4.8 libidn2/2.3.2 libpsl/0.21.0 (+libidn2/2.3.2) libssh/0.9.6/openssl/zlib nghttp2/1.43.0 librtmp/2.3 OpenLDAP/2.5.14
06-Jul-2023 15:56:37 [---] Data directory: /home/spm4604
06-Jul-2023 15:56:37 [---] CUDA: NVIDIA GPU 0: NVIDIA GeForce GTX 670 (driver version 470.99, CUDA version 11.4, compute capability 3.0, 1995MB, 1491MB available, 2915 GFLOPS peak)
06-Jul-2023 15:56:37 [---] OpenCL: NVIDIA GPU 0: NVIDIA GeForce GTX 670 (driver version 470.199.02, device version OpenCL 3.0 CUDA, 1995MB, 1491MB available, 2915 GFLOPS peak)
06-Jul-2023 15:56:37 getaddrinfo(01108866): Name or service not known
06-Jul-2023 15:56:37 [---] libc: version 2.35
06-Jul-2023 15:56:37 [---] Host name: 01108866
06-Jul-2023 15:56:37 [---] Processor: 8 GenuineIntel Intel(R) Core(TM) i7-3770K CPU @ 3.50GHz [Family 6 Model 58 Stepping 9]
06-Jul-2023 15:56:37 [---] Processor features: 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 cpuid aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm pcid sse4_1 sse4_2 popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm cpuid_fault epb pti ssbd ibrs ibpb stibp tpr_shadow vnmi flexpriority ept vpid fsgsbase smep erms xsaveopt dtherm ida arat pln pts md_clear flush_l1d
06-Jul-2023 15:56:37 [---] OS: Linux Ubuntu: Ubuntu 22.04.2 LTS [5.19.0-46-generic|libc 2.35]
06-Jul-2023 15:56:37 [---] Memory: 7.44 GB physical, 7.71 GB virtual
06-Jul-2023 15:56:37 [---] Disk: 399.67 GB total, 312.08 GB free
06-Jul-2023 15:56:37 [---] Local time is UTC +0 hours
06-Jul-2023 15:56:37 [---] VirtualBox version: 6.1.38_Ubuntur153438
06-Jul-2023 15:56:37 [---] No general preferences found - using defaults
06-Jul-2023 15:56:37 [---] Preferences:
06-Jul-2023 15:56:37 [---] max memory usage when active: 3810.31 MB
06-Jul-2023 15:56:37 [---] max memory usage when idle: 6858.57 MB
06-Jul-2023 15:56:37 [---] max disk usage: 311.98 GB
06-Jul-2023 15:56:37 [---] don't use GPU while active
06-Jul-2023 15:56:37 [---] suspend work if non-BOINC CPU load exceeds 25%
06-Jul-2023 15:56:37 [---] (to change preferences, visit a project web site or select Preferences in the Manager)
06-Jul-2023 15:56:37 [---] Setting up project and slot directories
dir_open: Could not open directory 'slots' from '/home/spm4604'.
06-Jul-2023 15:56:37 [---] Checking active tasks
06-Jul-2023 15:56:37 [---] Setting up GUI RPC socket
06-Jul-2023 15:56:37 [---] Checking presence of 0 project files
06-Jul-2023 15:56:37 [---] This computer is not attached to any projects
06-Jul-2023 15:56:37 Initialization completed
06-Jul-2023 15:56:37 [---] Suspending GPU computation - computer is in use

Also if I go through the 22.04 menu I get this: Failed to go to direct+orio " /var/lib/boinc-client " ( Permission refused )

Thank you for some help.

Yes, that version of the application package is broken.

You should read the instructions for Linux here:
https://boinc.berkeley.edu/download.php
https://boinc.berkeley.edu/wiki/Installing_on_Linux

You must execute this command from the instructions in the Terminal:

sudo usermod -aG boinc your_username_here

Thank you, for your prompt response
the answer is this ==> sudo usermod -aG boinc did not say anithing

Not sure what your response means. The command itself does not produce any output to the terminal. All it is doing is adding your username to the Boinc group so that you, the local user has permission rights to the Boinc directories.

You can check to see that you are now in the boinc group by executing

groups

in the Terminal. That will produce output of which groups your local user belongs to.

Did you perform the rest of the instructions in the Linux help page. Specifically, did you enable Boinc to be run automatically at startup?
https://boinc.berkeley.edu/wiki/Installing_BOINC_on_Debian_or_Ubuntu

Does Boinc now run? Does the Manager now connect to the running client?

I thought 7.18 was the version that only worked on Android.?

Look up Gianfranco's version and follow the instructions to install that.

I thought 7.18 was the version that only worked on Android?

Yup, it's specifically designed and developed for Android only, it's even in a branch called Android and still Linux developers use it to make a version for their distro which then doesn't work, because it's for Android.

The strange thing is, I had it running (briefly) from the Linux Mint 21.0 repository - so it's not completely broken. The client_release/7/7.18 branch was, as usual, a complete copy of the master branch at the time - but the time in question followed an intensive period of activity by the Android developer community, while the Windows/Linux developers were largely absent or not paying attention.

The machine it worked on had been running Gianfranco's PPA under Mint 20.3. I upgraded the OS in situ, so not a clean install - it inherited many settings and installed software. But it rejected the PPA, because PPA security was (is?) handled differently in Mint 21. The upgrader was clever enough to recognise that BOINC had been installed previously, and replace it with its own version - and it ran.

I haven't yet got to the bottom of how to work out exactly what a Linux package installer contains/does - there's no equivalent (that I know of) to the Windows "/a" administrative install switch, which unpacks all the contents for inspection or deployment. But I think the PPA deploys a matching version of WxWidgets, and the systemd runtime framework. The observed problems with v7.18.1 may be due to faults in one or other of those components, rather than the core BOINC programs themselves.