Portage emerge reference
From thelinuxwiki
installing a specific version of a package
done using an "atom" (see manpage)
example: # emerge package_name =package_name-version.number
manually installing a package without internet access
1. On a box with Internet access, fetch the distfile. First, use emerge fetch the install source for you...
emerge --fetchonly <package>
Next, use wget to download the file.
2. Upload the file to the /usr/portage/distfiles/ directory on the machine you intend to install the package on
- note This procedure does not take package dependencies into account! ***
portage history
verion history for a package
$ qlop --list <pkgname>
sync history
# qlop --sync
Wed Nov 4 09:44:38 2015 >>> gentoo Mon Dec 14 15:39:30 2015 >>> gentoo Wed Feb 17 07:33:48 2016 >>> gentoo Sun Feb 28 10:32:25 2016 >>> gentoo
packages merged per day (you can tell when updates have been run based on the number of packages per day)
# qlop -l | awk '{print $2,$3,$5}' | uniq -c