How to prevent unprivileged users from viewing dmesg command output on Linux
in Categories CentOS, Debian / Ubuntu, Linux, RedHat and Friends, Security, Suse last updated June 13, 2017
Tag: sysctl command
How to reload sysctl.conf variables on Linux
in Categories BASH Shell, CentOS, Debian / Ubuntu, Linux, Troubleshooting last updated February 8, 2016FreeBSD find CPU (processor) temperature command
in Categories FreeBSD, FreeBSD Jails (VPS), Hardware, UNIX last updated February 24, 2017
Linux: Log Suspicious Martian Packets / Un-routable Source Addresses
in Categories Linux, Networking, Security last updated February 19, 2014
Ubuntu Linux: Turn On Exec-Shield Buffer Overflow Protection
in Categories Security, Ubuntu Linux last updated June 4, 2013
sysctl -w kernel.exec-shield=1
error: “kernel.exec-shield” is an unknown key
How do I fix this problem and make sure exec-shield buffer overflow protection security feature turned on Ubuntu Linux?
Linux: Turn On TCP SYN Cookie Protection
in Categories Linux, Networking, Security last updated April 14, 2013FreeBSD Laptop: Find Out Battery Life Status Command
in Categories BASH Shell, FreeBSD last updated March 13, 2013