Using ranger 1.9.3 without app-misc/screen installed results in the following error: ranger version: ranger 1.9.3 Python version: 3.9.4 (default, May 6 2021, 13:57:46) [GCC 10.2.0] Locale: en_US.UTF-8 Traceback (most recent call last): File "/usr/lib/python3.9/site-packages/ranger/core/main.py", line 171, in main fm.initialize() File "/usr/lib/python3.9/site-packages/ranger/core/fm.py", line 132, in initialize self.ui.initialize() File "/usr/lib/python3.9/site-packages/ranger/gui/ui.py", line 127, in initialize self.handle_multiplexer() File "/usr/lib/python3.9/site-packages/ranger/gui/ui.py", line 499, in handle_multiplexer self._screen_title = check_output( File "/usr/lib/python3.9/site-packages/ranger/ext/spawn.py", line 35, in check_output process = Popen(popenargs, stderr=fd_devnull, **kwargs) File "/usr/lib/python3.9/subprocess.py", line 951, in __init__ self._execute_child(args, executable, preexec_fn, close_fds, File "/usr/lib/python3.9/subprocess.py", line 1821, in _execute_child raise child_exception_type(errno_num, err_msg, err_filename) FileNotFoundError: [Errno 2] No such file or directory: 'screen' Ranger 1.9.2 worked just fine without screen. Installing screen fixed this problem for me. Reproducible: Always Portage 3.0.18 (python 3.9.4-final-0, !../../var/db/repos/binaryden/profiles/binaryden/17.1/desktop/cinnamon, gcc-10.2.0, glibc-2.32-r7, 5.12.7-gentoo x86_64) ================================================================= System uname: Linux-5.12.7-gentoo-x86_64-AMD_Ryzen_7_3700X_8-Core_Processor-with-glibc2.32 KiB Mem: 32869420 total, 3437076 free KiB Swap: 2097148 total, 2096340 free Timestamp of repository gentoo: Mon, 31 May 2021 09:35:12 +0000 Head commit of repository gentoo: 0f8fda2e2ba29aeea147e637a3aaa189f9857012 sh bash 5.1_p8 ld GNU ld (Gentoo 2.35.2 p1) 2.35.2 app-shells/bash: 5.1_p8::gentoo dev-java/java-config: 2.3.1::gentoo dev-lang/perl: 5.32.1::gentoo dev-lang/python: 2.7.18_p9::gentoo, 3.7.10_p3::gentoo, 3.8.9_p2::gentoo, 3.9.4_p1::gentoo dev-lang/rust-bin: 1.51.0::gentoo dev-util/cmake: 3.18.5::gentoo sys-apps/baselayout: 2.7::gentoo sys-apps/sandbox: 2.23::gentoo sys-devel/autoconf: 2.13-r1::gentoo, 2.69-r5::gentoo sys-devel/automake: 1.16.3-r1::gentoo sys-devel/binutils: 2.35.2::gentoo sys-devel/gcc: 10.2.0-r5::gentoo sys-devel/gcc-config: 2.4::gentoo sys-devel/libtool: 2.4.6-r6::gentoo sys-devel/make: 4.3::gentoo sys-kernel/linux-headers: 5.12::gentoo (virtual/os-headers) sys-libs/glibc: 2.32-r7::gentoo Repositories: gentoo location: /var/db/repos/gentoo sync-type: git sync-uri: https://anongit.gentoo.org/git/repo/sync/gentoo.git priority: -1000 sync-git-verify-commit-signature: true sync-git-clone-extra-opts: -b master binaryden location: /var/db/repos/binaryden masters: gentoo priority: 50 steam-overlay location: /var/db/repos/steam-overlay masters: gentoo priority: 50 ACCEPT_KEYWORDS="amd64" ACCEPT_LICENSE="@BINARY-REDISTRIBUTABLE all-rights-reserved IDEA IDEA_Academic" CBUILD="x86_64-pc-linux-gnu" CFLAGS="-O2 -pipe -march=native" CHOST="x86_64-pc-linux-gnu" CONFIG_PROTECT="/etc /usr/lib64/libreoffice/program/sofficerc /usr/share/gnupg/qualified.txt /usr/share/maven-bin-3.8/conf" CONFIG_PROTECT_MASK="/etc/ca-certificates.conf /etc/dconf /etc/env.d /etc/fonts/fonts.conf /etc/gconf /etc/gentoo-release /etc/revdep-rebuild /etc/sandbox.d /etc/terminfo /etc/texmf/language.dat.d /etc/texmf/language.def.d /etc/texmf/updmap.d /etc/texmf/web2c" CXXFLAGS="-O2 -pipe -march=native" DISTDIR="/var/cache/distfiles" EMERGE_DEFAULT_OPTS="--jobs=4 --load-average=12" ENV_UNSET="CARGO_HOME DBUS_SESSION_BUS_ADDRESS DISPLAY GOBIN GOPATH PERL5LIB PERL5OPT PERLPREFIX PERL_CORE PERL_MB_OPT PERL_MM_OPT XAUTHORITY XDG_CACHE_HOME XDG_CONFIG_HOME XDG_DATA_HOME XDG_RUNTIME_DIR" FCFLAGS="-O2 -pipe" FEATURES="assume-digests binpkg-docompress binpkg-dostrip binpkg-logs clean-logs config-protect-if-modified distlocks ebuild-locks fixlafiles ipc-sandbox merge-sync multilib-strict network-sandbox news parallel-fetch pid-sandbox preserve-libs protect-owned qa-unresolved-soname-deps sandbox sfperms splitdebug strict unknown-features-warn unmerge-logs unmerge-orphans userfetch userpriv usersandbox usersync xattr" FFLAGS="-O2 -pipe" GENTOO_MIRRORS="http://distfiles.gentoo.org" LANG="en_US.UTF-8" LDFLAGS="-Wl,-O1 -Wl,--as-needed" MAKEOPTS="-j17" PKGDIR="/var/cache/binpkgs" PORTAGE_CONFIGROOT="/" PORTAGE_RSYNC_OPTS="--recursive --links --safe-links --perms --times --omit-dir-times --compress --force --whole-file --delete --stats --human-readable --timeout=180 --exclude=/distfiles --exclude=/local --exclude=/packages --exclude=/.git" PORTAGE_TMPDIR="/tmp" USE="X a52 aac acl acpi alsa amd64 berkdb bluetooth bluray branding bzip2 cairo cdda cinnamon cli colord crypt cups dbus dri dts dvd dvdr emboss encode exif flac fontconfig fortran gdbm gif gnome-keyring gpm gstreamer gtk gtk3 gui iconv icu introspection ipv6 jack jpeg lcms libglvnd libnotify libtirpc lv2 mad mng mp3 mp4 mpeg multilib ncurses nemo nls nptl ogg opengl openmp pam pango pcre pdf png policykit ppds pulseaudio qt5 readline sdl seccomp split-usr ssl startup-notification svg systemd tcpd theora tiff truetype udev udisks unicode upower usb vim-syntax vorbis wxwidgets x264 xattr xcb xinerama xml xv xvid xvmc zlib" ABI_X86="64" ADA_TARGET="gnat_2018" ALSA_CARDS="ali5451 als4000 atiixp atiixp-modem bt87x ca0106 cmipci emu10k1x ens1370 ens1371 es1938 es1968 fm801 hda-intel intel8x0 intel8x0m maestro3 trident usb-audio via82xx via82xx-modem ymfpci" APACHE2_MODULES="authn_core authz_core socache_shmcb unixd actions alias auth_basic authn_alias authn_anon authn_dbm authn_default authn_file authz_dbm authz_default authz_groupfile authz_host authz_owner authz_user autoindex cache cgi cgid dav dav_fs dav_lock deflate dir disk_cache env expires ext_filter file_cache filter headers include info log_config logio mem_cache mime mime_magic negotiation rewrite setenvif speling status unique_id userdir usertrack vhost_alias" CALLIGRA_FEATURES="karbon sheets words" COLLECTD_PLUGINS="df interface irq load memory rrdtool swap syslog" CPU_FLAGS_X86="aes avx avx2 f16c fma3 mmx mmxext pclmul popcnt rdrand sha sse sse2 sse3 sse4_1 sse4_2 sse4a ssse3" CURL_SSL="openssl" ELIBC="glibc" GPSD_PROTOCOLS="ashtech aivdm earthmate evermore fv18 garmin garmintxt gpsclock greis isync itrax mtk3301 nmea ntrip navcom oceanserver oldstyle oncore rtcm104v2 rtcm104v3 sirf skytraq superstar2 timing tsip tripmate tnt ublox ubx" GRUB_PLATFORMS="efi-64" INPUT_DEVICES="evdev roccat_konextd" KERNEL="linux" L10N="en-US en" LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text" LIBREOFFICE_EXTENSIONS="presenter-console presenter-minimizer" LUA_SINGLE_TARGET="lua5-1" LUA_TARGETS="lua5-1" OFFICE_IMPLEMENTATION="libreoffice" PHP_TARGETS="php7-4" POSTGRES_TARGETS="postgres10 postgres11" PYTHON_SINGLE_TARGET="python3_9" PYTHON_TARGETS="python3_9 python3_7 python3_8" RUBY_TARGETS="ruby26" USERLAND="GNU" VIDEO_CARDS="nvidia" XTABLES_ADDONS="quota2 psd pknock lscan length2 ipv4options ipset ipp2p iface geoip fuzzy condition tee tarpit sysrq proto steal rawnat logmark ipmark dhcpmac delude chaos account" Unset: CC, CPPFLAGS, CTARGET, CXX, INSTALL_MASK, LC_ALL, LINGUAS, PORTAGE_BINHOST, PORTAGE_BUNZIP2_COMMAND, PORTAGE_COMPRESS, PORTAGE_COMPRESS_FLAGS, PORTAGE_RSYNC_EXTRA_OPTS, RUSTFLAGS
Your TERM env is broken, ranger should not depend on screen.
