Archive for October, 2025

Linux: setcap

Wednesday, October 22nd, 2025

Some settings to run Linux commands under unprivileged user without sudo:

setcap cap_net_raw,cap_net_admin=eip /usr/sbin/tcpdump
setcap cap_net_raw=ep /usr/sbin/sngrep

After these steps you will be able to run tcpdump and sngrep as a non-root user.

man 7 setcap.

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Lubuntu: edit application menu

Tuesday, October 14th, 2025

A tool for editing an application menu in Lubuntu is called ‘menulibre‘, it is available in standard repositories.

I had to edit ‘Menu -> Internet -> Linphone’ – after downloading and updated snap package of Linphone the menu entry became broken and could not launch the application, so I needed to edit the path to the new update package.

If to edit it manually (without MenuLibre), it is located here:

    ~/.local/share/applications/linphone.desktop

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