Boot Partition Full ( CentOS 7 )
root@RHEL7HARDEN:~# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/vg0-root 96G 15G 77G 16% /
devtmpfs 3.8G 0 3.8G 0% /dev
tmpfs 3.8G 152K 3.8G 1% /dev/shm
tmpfs 3.8G 9.1M 3.8G 1% /run
tmpfs 3.8G 0 3.8G 0% /sys/fs/cgroup
/dev/sda1 283M 270M 0 100% /boot
/dev/mapper/vg0-home 577G 124G 424G 23% /home
Limit to only 2 kernels.
root@RHEL7HARDEN:~# vim /etc/yum.conf
installonly_limit=2
Below command will remove all the old kernels keeping the recent 2 kernels.
root@RHEL7HARDEN:~# package-cleanup –oldkernels –count=2
Loaded plugins: fastestmirror, langpacks
–> Running transaction check
—> Package kernel.x86_64 0:3.10.0-123.el7 will be erased
—> Package kernel.x86_64 0:3.10.0-229.1.2.el7 will be erased
—> Package kernel.x86_64 0:3.10.0-229.4.2.el7 will be erased
—> Package kernel-devel.x86_64 0:3.10.0-229.1.2.el7 will be erased
—> Package kernel-devel.x86_64 0:3.10.0-229.4.2.el7 will be erased
–> Finished Dependency Resolution
base/7/x86_64 | 3.6 kB 00:00:00
epel/x86_64/metalink | 3.2 kB 00:00:00
extras/7/x86_64 | 3.4 kB 00:00:00
google-chrome | 951 B 00:00:00
nux-dextop/x86_64 | 2.9 kB 00:00:04
updates/7/x86_64 | 3.4 kB 00:00:00
Dependencies Resolved
=====================================================================
Package Arch Version Repository Size
=====================================================================
Removing:
kernel x86_64 3.10.0-123.el7 @anaconda 127 M
kernel x86_64 3.10.0-229.1.2.el7 @updates 131 M
kernel x86_64 3.10.0-229.4.2.el7 @updates 131 M
kernel-devel x86_64 3.10.0-229.1.2.el7 @updates 32 M
kernel-devel x86_64 3.10.0-229.4.2.el7 @updates 32 M
Transaction Summary
=====================================================================
Remove 5 Packages
Installed size: 453 M
Is this ok [y/N]: y
Downloading packages:
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
Erasing : kernel-devel.x86_64 1/5
Erasing : kernel.x86_64 2/5
warning: file /lib/modules/3.10.0-229.1.2.el7.x86_64/weak-updates: remove failed: No such file or directory
warning: file /lib/modules/3.10.0-229.1.2.el7.x86_64/modules.softdep: remove failed: No such file or directory
warning: file /lib/modules/3.10.0-229.1.2.el7.x86_64/modules.devname: remove failed: No such file or directory
Erasing : kernel-devel.x86_64 3/5
Erasing : kernel.x86_64 4/5
warning: file /lib/modules/3.10.0-123.el7.x86_64/modules.softdep: remove failed: No such file or directory
warning: file /lib/modules/3.10.0-123.el7.x86_64/modules.devname: remove failed: No such file or directory
Erasing : kernel.x86_64 5/5
warning: file /lib/modules/3.10.0-229.4.2.el7.x86_64/weak-updates: remove failed: No such file or directory
warning: file /lib/modules/3.10.0-229.4.2.el7.x86_64/modules.softdep: remove failed: No such file or directory
warning: file /lib/modules/3.10.0-229.4.2.el7.x86_64/modules.devname: remove failed: No such file or directory
Verifying : kernel-3.10.0-229.4.2.el7.x86_64 1/5
Verifying : kernel-3.10.0-123.el7.x86_64 2/5
Verifying : kernel-devel-3.10.0-229.4.2.el7.x86_64 3/5
Verifying : kernel-3.10.0-229.1.2.el7.x86_64 4/5
Verifying : kernel-devel-3.10.0-229.1.2.el7.x86_64 5/5
Removed:
kernel.x86_64 0:3.10.0-123.el7
kernel.x86_64 0:3.10.0-229.1.2.el7
kernel.x86_64 0:3.10.0-229.4.2.el7
kernel-devel.x86_64 0:3.10.0-229.1.2.el7
kernel-devel.x86_64 0:3.10.0-229.4.2.el7
Complete!
root@RHEL7HARDEN:~# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/vg0-root 96G 15G 77G 16% /
devtmpfs 3.8G 0 3.8G 0% /dev
tmpfs 3.8G 152K 3.8G 1% /dev/shm
tmpfs 3.8G 9.1M 3.8G 1% /run
tmpfs 3.8G 0 3.8G 0% /sys/fs/cgroup/dev/sda1 283M 142M 123M 54% /boot
/dev/mapper/vg0-home 577G 124G 424G 23% /home
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