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A system option was added in snap 2.28 to specify the proxy server. $ sudo snap set system proxy.http="http://<proxy_addr>:<proxy_port>" $ sudo snap set system proxy.https="http://<proxy_addr>:<proxy_port>" Documentation


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In the network settings page, simply edit your settings as shown: Good Luck!


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fatal: ipc::mem::segment::create failed to shm_open() This error is related to permission denied of accessing a shared memory segments (man shm_open). The issue is, that you probably run squid process with the wrong user (either before or now). The solution is to remove .shm files from /dev/shm: $ sudo rm -v /dev/shm/squid*.shm To run squid with the ...


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There is no indeed any package like <username>. As I can see there, the confusion arose just because user they added had the similar name as of package. Package name is still squid. Install that using: sudo apt install squid


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Unfortunately there is no syntax available for no_proxy which would cover a subnet. The only solution I am aware of is to generate the whole list with something like export no_proxy=${no_proxy},$(echo 192.168.100.{1..255} | sed 's/ /,/g')


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Firefox (like other browsers) has its own internal proxy settings. CLI applications such as apt-get don't see this, they rely on an http_proxy (yes, lowercase, AFAIK) environment variable: export http_proxy="http://PROXY_SERVER:PORT"


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Proxifier for linux: As of 2019 there is no bundled application that does all what proxifier does instead you can use different applications for each proxifier feature. Block network for an application Here is a detailed list of solutions for this purpose Route by ip Linux routing table can be used to add rules to the routing table and thus route ip/ip-...


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