| 1 | = Running operating system updates = |
| 2 | |
| 3 | Support team members [wiki:support-team/all-servers-root-access with root access on all servers] can help with running operating system updates (`apt-get update && apt-get dist-upgrade`). |
| 4 | |
| 5 | Using freepuppet, there are two ways to do this: |
| 6 | |
| 7 | * Upgrade one or more servers serially: |
| 8 | {{{ |
| 9 | freepuppet-helper au:viewsic |
| 10 | freepuppet-helper au:mosh |
| 11 | }}} |
| 12 | * Upgrade multiple servers simultaneously: |
| 13 | * Ensure you have cluster ssh installed: |
| 14 | {{{ |
| 15 | apt-get install clusterssh |
| 16 | }}} |
| 17 | * Use freepuppet helper. The following example will open a series of 12 simultaneous ssh connections to mosh servers. There will be one window to type a command that will be executed on all servers at the same time. Type: `apt-get update` followed by `apt-get dist-upgrade`. Once it is complete on all servers, type: `exit`. Once all connections are closed, it will open the next 12 until all mosh servers have been opened. |
| 18 | {{{ |
| 19 | freepuppet-helper ce:mosh |
| 20 | }}} |
| 21 | |
| 22 | Whenever possible, run updates after 10:00 pm Eastern during the working week or anytime on the weekend. |