Lubuntu notes and tricks

Latest modification 2020-08-01.

https://help.ubuntu.com/community/ClamAV

sudo apt-get install clamav clamav-daemon
/var/log/clamav/freshclam.log

Sat Jun 20 12:42:42 2020 -> Reading CVD header (daily.cvd): Sat Jun 20 12:42:44 2020 -> OK
Sat Jun 20 12:42:44 2020 -> daily database available for download (remote version: 25848)
Sat Jun 20 12:43:14 2020 -> WARNING: Download failed (28) Sat Jun 20 12:43:14 2020 -> WARNING:  Message: Timeout was reached
Sat Jun 20 12:43:14 2020 -> WARNING: getcvd: Can't download daily.cvd from https://database.clamav.net/daily.cvd
Sat Jun 20 12:43:14 2020 -> Trying again in 5 secs...

With browser https://database.clamav.net/daily.cvd opens fine.

https://www.clamav.net/documents/troubleshooting-faq all checks from there passed.

Killed the freshclam daemon and ran it manually.

sudo freshclam

The download of runs ok but when it is almost compelete freshclam reports a timeout and tries again.

https://askubuntu.com/questions/1079669/freshclam-unable-to-complete-download-of-main-cvd

/etc/clamav/freshclam.conf

Was

ConnectTimeout 30
ReceiveTimeout 30

Now

ConnectTimeout 15
RecieveTimeout 300

https://askubuntu.com/questions/589318/freshclam-error-clamd-conf-file-not-found

So the daemon must be installed too. Installed it and edited the istallation command earlier on this page.

sudo time nice clamscan --exclude-dir='^/sys|^/dev' -r /
----------- SCAN SUMMARY -----------
Known viruses: 7292321
Engine version: 0.102.3
Scanned directories: 63372
Scanned files: 776778
Infected files: 0
Total errors: 21921
Data scanned: 39814.96 MB
Data read: 34333.02 MB (ratio 1.16:1)
Time: 22210.098 sec (370 m 10 s)
Command exited with non-zero status 2
14614.73user 787.20system 6:10:10elapsed
----------- SCAN SUMMARY -----------
Known viruses: 7292321
Engine version: 0.102.3
Scanned directories: 19425
Scanned files: 203850
Infected files: 0
Data scanned: 32814.24 MB
Data read: 33231.38 MB (ratio 0.99:1)
Time: 3103.797 sec (51 m 43 s)
LibClamAV Warning: fmap_readpage: pread fail: asked for 4094 bytes @ offset 2, got 0
/sys/module/cfg80211/refcnt: Can't read file ERROR
LibClamAV Warning: fmap_readpage: pread fail: asked for 4089 bytes @ offset 7, got 0
/sys/module/cfg80211/coresize: Can't read file ERROR
LibClamAV Warning: fmap_readpage: pread fail: asked for 4091 bytes @ offset 5, got 0
/sys/module/cfg80211/initstate: Can't read file ERROR

The easiest way to watch Netflix is to install Chrome. Login to Netflix with Chrome and start watching.

Firefox need settings changes + plugins.

  • Lubuntu 20.04 LTS
  • There already was a binging print → screengrab
  • Open Shortcut Keys which is lxqt-globalkeys
  • Add a shortcut, perhaps Alt + Print, that runs command
lximage-qt -s