Today I decided to try upgrading to Linux Mint 21, but after I learned it deleted some programs I reverted back to a Timeshift backup to get my stuff back. Unfortunately after doing this, my computer stopped detecting ethernet connections. I'm using the latest kernel. Strangely enough, I can connect to Wi-fi. But that's all I can do. I also tried restarting, to no avail.
I think this may help as well. This is the output of inxi -Fxxxrz
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CPU:
Topology: 8-Core model: AMD Ryzen 7 3700X bits: 64 type: MT MCP arch: Zen
L2 cache: 4096 KiB bogomips: 115195
Speed: 2200 MHz min/max: 2200/3600 MHz boost: enabled Core speeds (MHz):
1: 2195 2: 2197 3: 2200 4: 2195 5: 2199 6: 2200 7: 2200 8: 2200 9: 2198
10: 2198 11: 2199 12: 2199 13: 2222 14: 2179 15: 2199 16: 2194
Flags: 3dnowprefetch abm adx aes aperfmperf apic arat avic avx avx2 bmi1
bmi2 bpext cat_l3 cdp_l3 clflush clflushopt clwb clzero cmov cmp_legacy
constant_tsc cpb cpuid cqm cqm_llc cqm_mbm_local cqm_mbm_total
cqm_occup_llc cr8_legacy cx16 cx8 de decodeassists extapic extd_apicid
f16c flushbyasid fma fpu fsgsbase fxsr fxsr_opt ht hw_pstate ibpb ibs
irperf lahf_lm lbrv lm mba mca mce misalignsse mmx mmxext monitor movbe
msr mtrr mwaitx nonstop_tsc nopl npt nrip_save nx osvw overflow_recov pae
pat pausefilter pclmulqdq pdpe1gb perfctr_core perfctr_llc perfctr_nb
pfthreshold pge pni popcnt pse pse36 rapl rdpid rdpru rdrand rdseed rdt_a
rdtscp rep_good sep sev sev_es sha_ni skinit smap smca sme smep ssbd sse
sse2 sse4_1 sse4_2 sse4a ssse3 stibp succor svm svm_lock syscall tce
topoext tsc tsc_scale umip v_spec_ctrl v_vmsave_vmload vgif vmcb_clean vme
vmmcall wbnoinvd wdt xgetbv1 xsave xsavec xsaveerptr xsaveopt xsaves
Repos:
No active apt repos in: /etc/apt/sources.list
Active apt repos in: /etc/apt/sources.list.d/amdgpu.list
1: deb https://repo.radeon.com/amdgpu/22.20/ubuntu focal main
Active apt repos in: /etc/apt/sources.list.d/camel-neeraj-sysmontask-focal.list
1: deb http://ppa.launchpad.net/camel-neeraj/sysmontask/ubuntu focal main
Active apt repos in: /etc/apt/sources.list.d/kdenlive-kdenlive-stable-focal.list
1: deb http://ppa.launchpad.net/kdenlive/kdenlive-stable/ubuntu focal main
Active apt repos in: /etc/apt/sources.list.d/official-package-repositories.list
1: deb http://packages.linuxmint.com una main upstream import backport #id:linuxmint_main
2: deb http://archive.ubuntu.com/ubuntu focal main restricted universe multiverse
3: deb http://archive.ubuntu.com/ubuntu focal-updates main restricted universe multiverse
4: deb http://archive.ubuntu.com/ubuntu focal-backports main restricted universe multiverse
5: deb http://security.ubuntu.com/ubuntu/ focal-security main restricted universe multiverse
6: deb http://archive.canonical.com/ubuntu/ focal partner
Active apt repos in: /etc/apt/sources.list.d/protonvpn-stable.list
1: deb [signed-by=/usr/share/keyrings/protonvpn-stable-archive-keyring.gpg] https://repo.protonvpn.com/debian stable main
Active apt repos in: /etc/apt/sources.list.d/radeon-profile-stable-focal.list
1: deb http://ppa.launchpad.net/radeon-profile/stable/ubuntu focal main
Active apt repos in: /etc/apt/sources.list.d/rocm.list
1: deb [arch=amd64] https://repo.radeon.com/rocm/apt/5.2 ubuntu main
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sudo apt-get install --reinstall network-manager
The second command I tried was this:
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sudo dhclient eth0
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Cannot find device "eth0"
Thanks.