Maybe use some application to log resource usage over time to disk to monitor what happens when the system slows down.
Fabio > No dia 10/11/2016, às 08:18, Jan-Oliver Wagner > <jan-oliver.wag...@greenbone.net> escreveu: > > Am Dienstag, 11. Oktober 2016, 11:51:13 schrieb tatooin: >> I'm using OpenVAS to scan large networks using default scan profiles. So >> far so good. However, at some points during the scan, the system becomes >> unresponsive, while OpenVAS keeps running and scanning. So the system >> works, but very very very slowly until the scan finish. >> >> Sometimes I can't even ssh into the system anymore. When this happens, >> if I run a top command; while the command takes ages to succeed, it >> doesn't show any particular overload. CPU and memory consumption are >> perfectly normal, and actually even low. >> >> So I suspect a problem of buffer; probably network buffers since this >> happens only when scanning large networks (/22 or above). >> >> Is there any /proc settings I could tweak to fix the issue ? I'm using >> Openvas on kali linux. > > Usually if shell the commands take very long, you see 100% CPU loads. > Maybe your disk IO? > > -- > Dr. Jan-Oliver Wagner | +49-541-335084-0 | http://www.greenbone.net/ > Greenbone Networks GmbH, Neuer Graben 17, 49074 Osnabrück | AG Osnabrück, HR > B > 202460 > Geschäftsführer: Lukas Grunwald, Dr. Jan-Oliver Wagner > _______________________________________________ > Openvas-discuss mailing list > Openvas-discuss@wald.intevation.org > https://lists.wald.intevation.org/cgi-bin/mailman/listinfo/openvas-discuss _______________________________________________ Openvas-discuss mailing list Openvas-discuss@wald.intevation.org https://lists.wald.intevation.org/cgi-bin/mailman/listinfo/openvas-discuss
