Tag Archives: linux tutorials

How to check Debian/Ubuntu Linux package version using apt-get/aptitude command

How to check Debian/Ubuntu Linux package version using apt-get/aptitude command

I am a new Debian / Ubuntu Linux sysadmin. I would like to find out what version I would install if I ran the apt-get command. How do I find out which versions of a package can I install using apt-cache/apt-get command? How do you check package version using apt-get/aptitude on Debian or Ubuntu Linux server?
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How to run a command or script after running apt-get command on a Debian or Ubuntu Linux

How to run a command or script after running apt-get command on a Debian or Ubuntu Linux

How do I run custom command after ‘apt-get upgrade‘ or ‘apt-get dist-upgrade‘ on a Debian or Ubuntu Linux based system? How do I hook a script to apt-get command on my Ubuntu Linux server?
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How To Patch and Protect Linux Glibc Getaddrinfo Stack-based Buffer Overflow Zero Day Vulnerability CVE-2015-7547 and CVE-2015-5229 [ 16/Feb/2016 ]

How To Patch and Protect Linux Glibc Getaddrinfo Stack-based Buffer Overflow Zero Day Vulnerability CVE-2015-7547 and CVE-2015-5229 [ 16/Feb/2016 ]

A stack-based critical buffer overflow was found in the way the libresolv library (glibc) performed dual A/AAAA DNS queries. A remote attacker could crash or, potentially, execute code running the library on Linux. How do I patch and protect my server or workstation against the glibc getaddrinfo on Linux operating system?
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