root@user-virtual-machine333:/home/user# grep -rn viber  /var/log
/var/log/apport.log:14:ERROR: apport (pid 3815) Thu Jun  9 19:30:18 2016: executable: /opt/viber/Viber (command line "/opt/viber/Viber")
/var/log/apport.log:18:ERROR: apport (pid 3815) Thu Jun  9 19:30:20 2016: wrote report /var/crash/_opt_viber_Viber.1000.crash
/var/log/dpkg.log:17236:2016-06-09 19:29:54 install viber:amd64 <нет> 6.0.1.5
/var/log/dpkg.log:17237:2016-06-09 19:29:54 status half-installed viber:amd64 6.0.1.5
/var/log/dpkg.log:17240:2016-06-09 19:29:54 status half-installed viber:amd64 6.0.1.5
/var/log/dpkg.log:17243:2016-06-09 19:29:54 status half-installed viber:amd64 6.0.1.5
/var/log/dpkg.log:17244:2016-06-09 19:30:04 status unpacked viber:amd64 6.0.1.5
/var/log/dpkg.log:17245:2016-06-09 19:30:04 status unpacked viber:amd64 6.0.1.5
/var/log/dpkg.log:17246:2016-06-09 19:30:04 configure viber:amd64 6.0.1.5 6.0.1.5
/var/log/dpkg.log:17247:2016-06-09 19:30:04 status unpacked viber:amd64 6.0.1.5
/var/log/dpkg.log:17248:2016-06-09 19:30:04 status half-configured viber:amd64 6.0.1.5
/var/log/dpkg.log:17249:2016-06-09 19:30:04 status triggers-awaited viber:amd64 6.0.1.5
/var/log/dpkg.log:17261:2016-06-09 19:30:04 status installed viber:amd64 6.0.1.5