Richard wrote:>> Date: Monday, August 05, 2019 10:44:00 -0500 >> From: Michael Hennebry <hennebry at web.cs.ndsu.nodak.edu> >> >> To be clear, by "Centos 7 installation", >> I meant a PC on which Centos 7 was installed. >> >> In any case, Centos 7 has not always been this slow. >> Presumably something has changed. >> I've been living with this for several months, >> but not forever. I can run compilers and stuff without an internet >> connection, so I could get some work done. >> >> To get that output, I had free running in a loop and waited for >> the freeze before copy and pasting. >> >> I wasn't surprised by the result. >> Occasionally top shows kswap0 (I think) in a D state. >> > > Does the system slow down when you have your internet connection > enabled, but aren't explicitly using it (i.e., not using a browser)? If so, > look at the netstat output (as root) to see what's going on. You may have > some process that runs when the connection is enabled that is taking up > system/network resources. > > Separately, turn off javascript in the browser you are using and see > if that has an effect. >Javascript - if you're using firefox, install NoScript last week. mark
> Date: Monday, August 05, 2019 13:38:49 -0400 > From: mark <m.roth at 5-cent.us>>> Richard wrote: >> >> Does the system slow down when you have your internet connection >> enabled, but aren't explicitly using it (i.e., not using a >> browser)? If so, look at the netstat output (as root) to see >> what's going on. You may have some process that runs when the >> connection is enabled that is taking up system/network resources. >> >> Separately, turn off javascript in the browser you are using and >> see if that has an effect. >> > Javascript - if you're using firefox, install NoScript last week. > > mark >NoScript selectively blocks javascript, it doesn't turn it off -- which for testing purposes, at least, is the goal. In ff -- about:config - then enter "javascript" in the search line and set "javascript.enabled" to false. With chrome this can be done in the advanced settings section, under "site settings". - Richard
On 6/08/19 6:33 AM, Richard wrote:>> Javascript - if you're using firefox, install NoScript last week. > > NoScript selectively blocks javascript, it doesn't turn it off -- > which for testing purposes, at least, is the goal. > > In ff -- about:config - then enter "javascript" in the search line > and set "javascript.enabled" to false. > > With chrome this can be done in the advanced settings section, under > "site settings".This will cause almost complete breakage of an increasing number of modern websites. The vast majority of sites nowadays absolutely rely on JS and will not run or display correctly without it. Peter
Richard wrote:>> Date: Monday, August 05, 2019 13:38:49 -0400 >> From: mark <m.roth at 5-cent.us> > >>> Richard wrote: >>> >>> Does the system slow down when you have your internet connection >>> enabled, but aren't explicitly using it (i.e., not using a browser)? If >>> so, look at the netstat output (as root) to see what's going on. You >>> may have some process that runs when the connection is enabled that is >>> taking up system/network resources. >>> >>> Separately, turn off javascript in the browser you are using and >>> see if that has an effect. >>> >> Javascript - if you're using firefox, install NoScript last week. >> > NoScript selectively blocks javascript, it doesn't turn it off -- > which for testing purposes, at least, is the goal. > > In ff -- about:config - then enter "javascript" in the search line > and set "javascript.enabled" to false. > > With chrome this can be done in the advanced settings section, under > "site settings".Right... but it also prevents the site's javascript from loading 15 other pages, including doubleclick, or gigya (really?) or adserver.... mark