Never had issues with mongo before. I'd recently installed it on a cluster at my University because there were several .bson files I needed to analyze there, and I've been working with it from my laptop. Was able to restore all the files, make queries successfully, etc. Yesterday when I started mongo and typed "show dbs" I got some error and found a lock file in data/db (sorry I don't have the specific error anymore), but searching online indicated that the databases may have been corrupted due to not exiting mongo properly (very likely, I didn't realize being careless with this would cause problems. Lesson learned.) I couldn't find a way to fix this, so I simply removed everything from data/db, the goal being to just restore them all. However, then when I started mongod, the following error occurred. I tried removing and reinstalling mongo, but I still get this error. Please help!

./mongod --dbpath='/home/user1/data/db'

Thu Jun 28 21:38:08 terminate() called, printing stack:
0xa957de 0x34cecbce16 0x34cecbce43 0x34cecbcf2a 0xaabbf1 0x57338c 0xa9cfaf 0x34c9c1d994 0x501b89
./mongod(_ZN5mongo11myterminateEv+0x5e) [0xa957de]
/usr/lib64/libstdc++.so.6 [0x34cecbce16]
/usr/lib64/libstdc++.so.6 [0x34cecbce43]
/usr/lib64/libstdc++.so.6 [0x34cecbcf2a]
./mongod(_ZN5boost6thread12start_threadEv+0xf1) [0xaabbf1]
./mongod(_ZN5mongo13BackgroundJob2goEv+0x18c) [0x57338c]
./mongod(main+0x694f) [0xa9cfaf]
/lib64/libc.so.6(__libc_start_main+0xf4) [0x34c9c1d994]
./mongod(__gxx_personality_v0+0x3e9) [0x501b89]
Thu Jun 28 21:38:08 Got signal: 6 (Aborted).

Thu Jun 28 21:38:08 Backtrace:
0xa95ce9 0x34c9c302d0 0x34c9c30265 0x34c9c31d10 0xa958ab 0x34cecbce16 0x34cecbce43 0x34cecbcf2a 0xaabbf1 0x57338c 0xa9cfaf 0x34c9c1d994 0x501b89
./mongod(_ZN5mongo10abruptQuitEi+0x3a9) [0xa95ce9]
/lib64/libc.so.6 [0x34c9c302d0]
/lib64/libc.so.6(gsignal+0x35) [0x34c9c30265]
/lib64/libc.so.6(abort+0x110) [0x34c9c31d10]
./mongod(_ZN5mongo11myterminateEv+0x12b) [0xa958ab]
/usr/lib64/libstdc++.so.6 [0x34cecbce16]
/usr/lib64/libstdc++.so.6 [0x34cecbce43]
/usr/lib64/libstdc++.so.6 [0x34cecbcf2a]
./mongod(_ZN5boost6thread12start_threadEv+0xf1) [0xaabbf1]
./mongod(_ZN5mongo13BackgroundJob2goEv+0x18c) [0x57338c]
./mongod(main+0x694f) [0xa9cfaf]
/lib64/libc.so.6(__libc_start_main+0xf4) [0x34c9c1d994]
./mongod(__gxx_personality_v0+0x3e9) [0x501b89]