Linux RedHat Checking what processes need to be restarted after a system upgrade March 24, 2015 by Tim Groeneveld | 2 Comments on Checking what processes need to be restarted after a system upgrade With updates going on in the last couple of months for various packages, such as OpenSSL and GLibC which have fixed a number of important security vulnerabilities, I thought I might share a one liner that might save you one day. sudo lsof -n | grep -v \#prelink\# | grep -e '\.so' | grep -e […] Read more »
Linux PHP Using files or Semaphores for long running process locks with PHP June 3, 2014 by Tim Groeneveld | 2 Comments on Using files or Semaphores for long running process locks with PHP Last week I spoke at SydPHP, which was hilariously horrible due to my lack of public speaking skills. During my Introduction to Laravel & Composer there was a very interesting question posted asking about an issue that he came across while developing a cron that was running on his server. The process was set to […] Read more »
Computers Linux RedHat CentOS 5.7 has been released September 14, 2011 by Tim Groeneveld | Leave a Comment I know I might bag out CentOS at the best of times, but Karanbir Singh – our fearless leader of all CentOS developers has announced the immediate availability of CentOS-5.7 for i386 and x86_64 Architectures. Well, what are you waiting for? yum upgrade. Read more »
Computers Documentation Linux Random Thoughts More snippets September 6, 2011 by Tim Groeneveld | Leave a Comment Yesterday I posted about having an existing ssh-agent load on all new shells. Here are two more handy snippets of code from my .bash_profile The first code snippet is a follow on from yesterday, were I can type ‘lock’ or ‘unlock’ into my shell and the ssh-agent will follow on accordingly. When your ssh-agent is […] Read more »
Documentation Linux Have ssh-agent load on all new shells September 5, 2011 by Tim Groeneveld | Leave a Comment I love ssh-agent, but always found that running source ~/.ssh.agent annoyed me! That was before I wrote this code, which I absolutely love: source ~/.ssh.agent PID=$SSH_AGENT_PID if [ -f /proc/$SSH_AGENT_PID/cmdline ]; then CMD=`cat /proc/$SSH_AGENT_PID/cmdline`; if [ "$CMD" != "ssh-agent" ] ; then PID=0 fi else PID=0 fi; if [ "$PID" -eq 0 ]; then ssh-agent […] Read more »
Computers Linux RHEL, Scientific Linux & CentOS: A sad story indeed August 21, 2011 by Tim Groeneveld | 1 Comment on RHEL, Scientific Linux & CentOS: A sad story indeed I love RedHat Linux. I think it is a beautiful piece of engineering. Hundreds of thousands of man hours spent ensuring systems that have packages installed keep running. Continuously. One thing however that I have found is that my favorite RHEL clone for years, CentOS has been slacking. Bad. For example, RedHat Enterprise Linux 6 […] Read more »
Google Linux Random Thoughts Google’s Android Fonts January 23, 2011 by Tim Groeneveld | Leave a Comment I love Android, and I love that Google is offering such a good mobile operating system, for free. Many people might just remember that Microsoft grew to prominence in the IT industry in much a similar way. They provided DOS for free (or at least at a low cost) to OEMs, which provided them with […] Read more »
Clustering Linux PHP Random Thoughts Holiday mode started early? January 22, 2011 by Tim Groeneveld | Leave a Comment Looking at my emails, I just realised that I forgot to pay for Drupal Downunder. -.-“ Read more »
Holidays Linux Arrived in Queensland January 21, 2011 by Tim Groeneveld | Leave a Comment Hello Linux Conference, I can’t wait until you begin! Read more »
Linux RedHat Red Hat Enterprise Linux 5.6 is out! January 17, 2011 by Tim Groeneveld | Leave a Comment Red Hat is pleased to announce the availability of the latest update to Red Hat Enterprise Linux 5, release 5.6 (with kernel-2.6.18-238.el5)! In virtualisation land, one of the major changes have been the addition of the virtio balloon driver. This new driver in Red Hat 5.6 allows guests to express to the hypervisor how much […] Read more »