Comment by Matija Nalis on Can using a VPN prevent my ISP from seeing data...
Also note that some VPNs can compress data (only data that is not already compressed or encrypted - like plaintext HTTP, IMAP, NNTP or SMTP traffic; but not HTTPS, TLS, HTTP+gzip etc.), which might...
View ArticleComment by Matija Nalis on If I delete a something from a zip file, can it...
Note that many edited files might contain parts of previous contents in themselves. For plain text files that is not an issue as you see it plainly, but office suite documents are often quite another...
View ArticleComment by Matija Nalis on Very slow random read/write on HDD
Yes it normal - in fact, terrible performance on random-access for HDDs is the reason why people spend money on SSDs
View ArticleComment by Matija Nalis on Block (nullroute?) an IPv6 hostname using /etc/hosts
@JasonR.Coombs things changed a lot since original answer in 2014, so I've updated answer now. Nowdays browsers will use IPv4 if IPv6 fails or is slower (and vice versa) due to RFC6555 (HappyEyeballs),...
View ArticleComment by Matija Nalis on Block (nullroute?) an IPv6 hostname using /etc/hosts
Just a note that nowdays GNU/Linux version of ping also have -4/-6 (although there is also still separate ping6 which basically does the same thing as ping -6)
View ArticleComment by Matija Nalis on Is copying a lot of files bad for the CPU or...
@MikeBrockington agreed, the thermal stretching is dangerous. I was thinking more along the lines of "if you unplug a CPU and put it in a locker for a year, it would age less then if you were running...
View ArticleComment by Matija Nalis on gpg: can't import key: "new key but contains no...
BTW for Debian, keyserver is keyring.debian.org
View ArticleComment by Matija Nalis on What's faster? Moving files from one drive to...
Also note that 3rd case will be much slower than 4th case when we're talking of rotating media as HDDs (as opposed to SSDs), due to having to seek all the time, killing performance.
View ArticleComment by Matija Nalis on Rsync root files between systems without...
@StevenLu today it is (unless you happen to have veeery old legacy system). But back in the days, it was still likely to have a system with different default. Hint: even today (for historic reasons...
View ArticleComment by Matija Nalis on Why are rDNS query responses not always an inverse...
Agreed, forward and reverse DNS entries are completely unrelated (and either of them need not exist). Although, in some situations (like DNS entries for mail servers) it is a good practice to make them...
View ArticleComment by Matija Nalis on ffmpeg: limiting to single CPU core when encoding...
The issue might be I/O (especially if bottleneck is HDD seek time); ionice (in addition to nice) might help with that.
View ArticleComment by Matija Nalis on Is 2.4 GHz Wi-Fi band shared across routers?
@TooTea thanks, I tried now to clarify/reword that carrier freq is different one from data coding frequency.
View ArticleComment by Matija Nalis on How to delete all files in a directory except some?
It would be better to use rmdir tmp in that last line instead of rm -r tmp -- that way, if previous command failed for any reason or was mistyped, you won't lose all your data.
View ArticleAnswer by Matija Nalis for How to Study this 4G Network Failure?
Sounds like 4G issue that connection gets dropped from time to time. You could try improving your signal, or test with different tower. Other than that, your tplink might be having problems, you may...
View ArticleAnswer by Matija Nalis for Port 111 shows up open when I nmap 127.0.0.1
Use sudo netstat -tulpn | grep 111it is usually used by portmapper and often installed by default (it is required for NFS mounts and such). So (most probably) nothing to worry about.You can remove that...
View ArticleAnswer by Matija Nalis for Midnight commander file transfer "fish: storing file"
That "stupid slow operation" is actual copying over network using https://en.wikipedia.org/wiki/Files_transferred_over_shell_protocolWhat actually may be stupid (or not) is first (fast) part, which is...
View ArticleAnswer by Matija Nalis for How to block ad popups in web browser?
NoScript might sounds like bazooka aproach, but you can find out it stops a lot of this and other problems.Homepage https://noscript.net/ defines it asThe NoScript Firefox extension provides extra...
View ArticleAnswer by Matija Nalis for Unable to fetch some archives, maybe run apt-get...
Run apt-get update and make sure it doesn't report error.
View ArticleAnswer by Matija Nalis for How do I port forward if the public/external IP is...
You can only forward port to one IP at a timeYour laptop has one internal IP, and your main computer another internal IP. Router cannot magically choose to which one of those to forward port 443. You...
View ArticleAnswer by Matija Nalis for Error 403 (Forbidden) with many file requests
It sounds lime some kind of rate limiting. There are several apache modules that will do that, mod_qos being one of them. Usually they will return short body in addition to 403 forbidden code with...
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